D: [iurt_root_command] chroot Installing /home/pterjan/rpmbuild/SRPMS/scummvm-2.8.0-1.mga10.src.rpm Building target platforms: x86_64 Building for target x86_64 Executing(%prep): /bin/sh -e /home/pterjan/rpmbuild/tmp/rpm-tmp.GQii90 + umask 022 + cd /home/pterjan/rpmbuild/BUILD + '[' 1 -eq 1 ']' + '[' 1 -eq 1 ']' + '[' 1 -eq 1 ']' + cd /home/pterjan/rpmbuild/BUILD + rm -rf scummvm-2.8.0 + /usr/lib/rpm/rpmuncompress -x /home/pterjan/rpmbuild/SOURCES/scummvm-2.8.0.tar.xz + STATUS=0 + '[' 0 -ne 0 ']' + cd scummvm-2.8.0 + rm -rf /home/pterjan/rpmbuild/BUILD/scummvm-2.8.0-SPECPARTS + /usr/bin/mkdir -p /home/pterjan/rpmbuild/BUILD/scummvm-2.8.0-SPECPARTS + /usr/bin/chmod -Rf a+rX,u+w,g-w,o-w . + /usr/lib/rpm/rpmuncompress /home/pterjan/rpmbuild/SOURCES/scummvm-2.1.1-ftbfs-use-bfd-linker-on-x86.patch + /usr/bin/patch -p1 -s --fuzz=0 --no-backup-if-mismatch -f + RPM_EC=0 ++ jobs -p + exit 0 Executing(%build): /bin/sh -e /home/pterjan/rpmbuild/tmp/rpm-tmp.bmxKaq + umask 022 + cd /home/pterjan/rpmbuild/BUILD + cd scummvm-2.8.0 + '[' 1 -eq 1 ']' + '[' 1 -eq 1 ']' + export CONFIGURE_NO_HOST=true + CONFIGURE_NO_HOST=true + CFLAGS='-O2 -g -pipe -Wformat -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=2 -fstack-protector-strong -m64 -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection=full' + export CFLAGS + CXXFLAGS='-O2 -g -pipe -Wformat -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=2 -fstack-protector-strong -m64 -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection=full' + export CXXFLAGS + FFLAGS='-O2 -g -pipe -Wformat -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=2 -fstack-protector-strong -m64 -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection=full ' + export FFLAGS + FCFLAGS='-O2 -g -pipe -Wformat -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=2 -fstack-protector-strong -m64 -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection=full ' + export FCFLAGS + VALAFLAGS=-g + export VALAFLAGS + RUSTFLAGS='-Copt-level=3 -Cdebuginfo=2 -Ccodegen-units=1 -Clink-arg=-Wl,-z,relro -Clink-arg=-Wl,-z,now --cap-lints=warn' + export RUSTFLAGS + LDFLAGS=' -Wl,--as-needed -Wl,--no-undefined -Wl,-z,relro -Wl,-z,now -Wl,-O1 -Wl,--build-id=sha1 -Wl,--enable-new-dtags' + export LDFLAGS + LT_SYS_LIBRARY_PATH=/usr/lib64: + export LT_SYS_LIBRARY_PATH + CC=gcc + export CC + CXX=g++ + export CXX + CONFIGURE_TOP=. + '[' 1 = 1 ']' ++ find . -name config.guess -o -name config.sub + for i in $(find ${CONFIGURE_TOP} -name config.guess -o -name config.sub) ++ basename ./config.guess + '[' -f /usr/lib/rpm/mageia/config.guess ']' ++ basename ./config.guess + cp -af /usr/lib/rpm/mageia/config.guess ./config.guess + for i in $(find ${CONFIGURE_TOP} -name config.guess -o -name config.sub) ++ basename ./config.sub + '[' -f /usr/lib/rpm/mageia/config.sub ']' ++ basename ./config.sub + cp -af /usr/lib/rpm/mageia/config.sub ./config.sub + /usr/lib/rpm/mageia/force-as-needed-for-shared-lib-in-libtool Forcing -Wl,--as-needed in configure/libtool to workaround libtool bug (cf http://lists.gnu.org/archive/html/libtool-patches/2004-06/msg00002.html) + /usr/lib/rpm/mageia/drop-ld-no-undefined-for-shared-lib-modules-in-libtool + /usr/lib/rpm/mageia/fix-libtool-ltmain-from-overlinking + /usr/lib/rpm/mageia/fix-libtool-from-moving-options-after-libs . + /usr/lib/rpm/mageia/fix-dlsearch-path-in-libtool-for-multilib . lib64 + ./configure --host=x86_64-mageia-linux-gnu --build=x86_64-mageia-linux-gnu --program-prefix= --disable-dependency-tracking --prefix=/usr --exec-prefix=/usr --bindir=/usr/bin --sbindir=/usr/sbin --sysconfdir=/etc --datadir=/usr/share --includedir=/usr/include --libdir=/usr/lib64 --libexecdir=/usr/libexec --localstatedir=/var --sharedstatedir=/var/lib --mandir=/usr/share/man --infodir=/usr/share/info --bindir=/usr/games --datadir=/usr/share/games/scummvm --enable-all-engines --enable-release --enable-freetype2 --enable-text-console --with-freetype2-prefix=/usr Running ScummVM configure... Ignoring --host option! Looking for C++ compiler... g++ Checking if compiler supports C++11... yes Checking for compiler version... GCC 14, ok Checking if C++11 initializer list is available... yes Checking if C++11 std::nullptr_t is available... yes Checking if C++11 alignas and alignof keywords are available... yes Using LLD linker... no Using Mold linker... no Checking for whether C++ compiler accepts -Wglobal-constructors... no Checking for whether C++ compiler accepts -Wno-undefined-var-template... no Checking for whether C++ compiler accepts -Wno-pragma-pack... no Checking for whether C++ compiler accepts -Wno-address-of-packed-member... yes Checking endianness... little Checking 64-bitness... yes Type with 1 byte... char Type with 2 bytes... short Type with 4 bytes... int Type with 8 bytes... long Alignment required... no Checking host CPU architecture... x86_64 Checking hosttype... linux-gnu Checking for pkg-config... yes Looking for sdl-config... /usr/bin/sdl2-config Checking for SDL... yes Checking for SDL_Net... yes Checks for ENet... Checking for sendmsg... yes Checking for recvmsg... yes Optional checks for ENet... Checking for getaddrinfo... yes Checking for getnameinfo... yes Checking for gethostbyaddr_r... yes Checking for gethostbyname_r... yes Checking for poll... yes Checking for fcntl... yes Checking for inet_pton... yes Checking for inet_ntop... yes Checking for msghdr.msg_flags... yes Checking for socklen_t... yes Checking if host is POSIX compliant... yes Checking if posix_spawn is supported... yes Checking if fseeko with 64-bit off_t is supported... yes Checking whether to have a verbose build... no Checking whether building plugins was requested... no Checking if detection features building statically... yes Checking if building detection features for all engines... yes Checking for Ogg... yes Checking for TTS libraries... yes Checking for Vorbis... yes Checking for Tremor... no (Vorbis/Tremor support is mutually exclusive) Checking for OPL2LPT... no Checking for RetroWave OPL3... no Checking for FLAC >= 1.0.1... yes Checking for MAD... yes Checking for ALSA >= 0.9... yes Checking for libjpeg >= v6b... yes Checking for PNG >= 1.2.8... yes Checking for GIF >= 5.0.0... yes Checking for libtheoradec >= 1.0... yes Checking for libvpx >= 1.6... yes Checking for libfaad... no Checking for SEQ MIDI... yes Checking for sndio... yes Checking for TiMidity... yes Checking for zlib... yes Checking for libmpeg2 >= 0.4.0... yes Checking for liba52... no Looking for curl-config... /usr/bin/curl-config Checking for libcurl... yes Looking for mikmod-config... /usr/bin/libmikmod-config Checking for libmikmod... yes Cloud integration... local, servers Checking for FluidSynth... yes Checking for FluidLite... no (FluidSynth/FluidLite support is mutually exclusive) Checking for Sonivox... yes Checking for readline... yes Checking for libunity... no Checking for gtk... yes Checking for FreeType2... yes Checking for OpenGL... yes (runtime detection) Checking for OpenGL for game... yes (shaders enabled) Checking for Linux CD-ROM... yes Checking for curl... yes Checking for FriBidi... yes Test C++11 compatibility during compilation... no Checking for Discord RPC... yes Building translation support... yes (with runtime language detection) Building taskbar integration support... no Building system dialogs support... gtk Building text-to-speech support... speech dispatcher Building TinyGL support... yes Building Bink video support... yes Building updates support... no Enabling Address Sanitizer... no Enabling Thread Sanitizer... no Enabling Undefined Behavior Sanitizer... no Enabling x86/amd64 SSE2... yes Enabling x86/amd64 AVX2... yes Enabling ARM NEON... no Backend... sdl (2.30.1), 16bit color, high resolution, TinyGL, savegame timestamp, HQ and Edge scalers, aspect ratio correction, MT-32 emulator, Lua, Nuked OPL emulator, text console, cloud, ENet Engines (builtin): SCUMM [all games] Access ADL AGI AGOS [all games] Adventure Game Studio Sanitarium Lord Avalot d'Argent Beavis and Butthead in Virtual Stupidity Blade Runner The Journeyman Project 2: Buried in Time CGE CGE2 Chamber Chewy: Esc from F5 Cinematique evo 1 Magic Composer Crab Cinematique evo 2 Lost Eden Cryo Omni3D games [all games] Macromedia Director Dungeon Master Dragon History Blazing Dragons Drascula: The Vampire Strikes Back Dreamweb Escape From Hell Freescape Glk Interactive Fiction games UFOs Gobli*ns The Griffon Legend Grim [all games] Groovie [all games] Hades Challenge Hyperspace Delivery Boy! Hopkins FBI Hpl1 Hugo Trilogy Hypnotix Inc. In Cold Blood Illusions Engine The Immortal Kingdom: The Far Reaches Kyra [all games] Labyrinth of Time The Last Express Lilliput Lure of the Temptress MacVenture MADE MADS [all games] Might and Magic [all games] Mohawk [all games] Mortevielle mTropolis Mutation of JB Myst 3 Nancy Drew Neverhood Nikita Game Interface Parallaction The Journeyman Project: Pegasus Prime Red Comrades Pink Panther Playground 3d: the testing and playground environment for 3d renderers Plumbers Don't Wear Ties The Prince and The Coward Private Eye Flight of the Amazon Queen SAGA [all games] SAGA2 SCI [all games] The Lost Files of Sherlock Holmes Beneath a Steel Sky Sludge The Longest Journey Star Trek 25th Anniversary/Judgment Rites Mission Supernova Broken Sword Broken Sword II Broken Sword 2.5 Teen Agent TestBed: the Testing framework Tetraedge Tinsel Starship Titanic 3 Skulls of the Toltecs Tony Tough and the Night of Roasted Moths Toonstruck Touche: The Adventures of the Fifth Musketeer Trecision Adventure Module TsAGE Bud Tucker in Double Trouble Little Big Adventure Ultima [all games] V-Cruise Voyeur WAGE The Watchmaker Wintermute [all games] Z-Vision WARNING: This ScummVM build contains the following UNSTABLE engines: Lord Avalot d'Argent Chamber Crab Lost Eden Dungeon Master Grim [Escape from Monkey Island] Hpl1 In Cold Blood The Immortal The Last Express Lilliput MacVenture MADS [MADS V2] Might and Magic Mohawk [Where in Time is Carmen Sandiego?] Mutation of JB Playground 3d: the testing and playground environment for 3d renderers Sludge Star Trek 25th Anniversary/Judgment Rites TestBed: the Testing framework Ultima [Ultima I - The First Age of Darkness] WAGE The Watchmaker Wintermute [Wintermute3D] Creating engines/engines.mk Creating engines/detection_table.h Creating engines/plugins_table.h Creating config.h Creating config.mk + /usr/bin/make -O -j16 V=1 VERBOSE=1 /bin/sh: line 1: git: command not found C++ engines/bbvs/detection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/bbvs/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/avalanche/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/avalanche/detection.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chamber/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/chamber/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/chewy/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/detection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/asylum/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/buried/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cine/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/cine/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/cine/gfx.h:27, from ./engines/cine/cine.h:44, from engines/cine/detection.cpp:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/cge2/detection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/cge2/detection.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from engines/bladerunner/detection.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/access/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/access/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41, from engines/access/detection.cpp:25: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/agos/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/detection.cpp:36: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/cge/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/cge/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/composer/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/composer/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/crab/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cryo/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/cryo/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agi/wagparser.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/agi/wagparser.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agi/detection.o In file included from ./common/config-manager.h:27, from engines/agi/detection.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32, from engines/agi/detection.cpp:33: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/cruise/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/cruise/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dm/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/dm/detection.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/draci/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/draci/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cryomni3d/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/cryomni3d/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/cryomni3d/cryomni3d.h:35, from engines/cryomni3d/detection.cpp:30: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/adl/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/adl/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dragons/detection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/dragons/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/drascula/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/drascula/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dreamweb/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/dreamweb/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/efh/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/efh/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/griffon/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/griffon/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/detection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/grim/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hdb/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/hdb/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gnap/detection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/gnap/gnap.h:26, from engines/gnap/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hugo/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/hugo/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/groovie/detection.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/groovie/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/detection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/hpl1/detection.h:25, from engines/hpl1/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/detection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/freescape/freescape.h:26, from engines/freescape/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hopkins/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/hopkins/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/icb/detection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/icb/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/detection.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/hadesch/detection.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/illusions/detection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/illusions/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/detection/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/gob/detection/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hypno/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/hypno/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/ags/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/lab/detection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/lab/detection.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/kingdom/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/kingdom/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/director/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/director/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/detection.cpp:31: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/lastexpress/detection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/lastexpress/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/immortal/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/immortal/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/kyra/detection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/kyra/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/made/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/made/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/mm/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/mm/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/lilliput/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/lilliput/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/lilliput/script.h:26, from ./engines/lilliput/lilliput.h:26, from engines/lilliput/detection.cpp:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/lure/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/lure/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/mohawk/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/mohawk/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/macventure/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/macventure/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/macventure/gui.h:33, from ./engines/macventure/macventure.h:45, from engines/macventure/detection.cpp:25: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/mtropolis/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/mtropolis/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/mortevielle/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/mortevielle/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/mortevielle/mortevielle.h:34, from engines/mortevielle/detection.cpp:26: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/mads/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/mads/detection.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/mads/events.h:27, from ./engines/mads/hotspots.h:26, from ./engines/mads/scene.h:30, from ./engines/mads/game.h:30, from ./engines/mads/dialogs.h:26, from ./engines/mads/conversations.h:29, from ./engines/mads/mads.h:32, from engines/mads/detection.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/mutationofjb/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/mutationofjb/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/nancy/detection.o In file included from ./common/config-manager.h:27, from engines/nancy/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/myst3/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/translation.h:26, from engines/myst3/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/neverhood/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/neverhood/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/pegasus/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/pegasus/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ngi/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/ngi/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/parallaction/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/parallaction/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/parallaction/parallaction.h:26, from engines/parallaction/detection.cpp:30: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/petka/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/petka/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/pink/detection.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/pink/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/pink/pda_mgr.h:25, from ./engines/pink/pink.h:36, from engines/pink/detection.cpp:26: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/plumbers/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/plumbers/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/playground3d/detection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/playground3d/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/saga/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/saga/detection.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/queen/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/queen/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/prince/detection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/prince/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/private/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/private/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/saga2/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/saga2/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/stark/detection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/stark/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/supernova/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/supernova/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/sword1/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/sword1/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/sword25/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/sword25/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/sword2/detection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/sword2/detection.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/sludge/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/sludge/detection.cpp:21: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/teenagent/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/teenagent/detection.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/sherlock/detection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/sherlock/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/sherlock/talk.h:29, from ./engines/sherlock/sherlock.h:50, from engines/sherlock/detection.cpp:25: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/sci/detection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/sci/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./gui/ThemeEval.h:28, from engines/sci/detection.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/tetraedge/detection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/tetraedge/detection.h:25, from engines/tetraedge/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/startrek/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/startrek/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/startrek/object.h:26, from ./engines/startrek/startrek.h:48, from engines/startrek/detection.cpp:30: ./engines/startrek/fixedint.h:58:54: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 58 | explicit TFixedInt(const TFixedInt &fi) { | ^ ./engines/startrek/fixedint.h:58:54: note: remove the '< >' C++ engines/titanic/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/titanic/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/testbed/detection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/testbed/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/sky/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/sky/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/toltecs/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/toltecs/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/trecision/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/trecision/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/touche/detection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/touche/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/twine/detection.o In file included from ./common/config-manager.h:27, from engines/twine/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/tucker/detection.o In file included from ./common/config-manager.h:27, from engines/tucker/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/tony/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/tony/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ base/test_new_standards.o C++ engines/toon/detection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/toon/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ultima/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/ultima/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/vcruise/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/vcruise/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/tinsel/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/tinsel/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/wage/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/wage/detection.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/tsage/detection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/tsage/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/voyeur/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/voyeur/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/watchmaker/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/watchmaker/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/zvision/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/zvision/detection.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/wintermute/detection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/wintermute/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/scumm/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/base-costume.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/actor.h:28, from ./engines/scumm/base-costume.h:26, from engines/scumm/base-costume.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/bomp.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from engines/scumm/bomp.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/cdda.o C++ engines/scumm/camera.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from engines/scumm/camera.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/charset-fontdata.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/scumm/charset.h:26, from engines/scumm/charset-fontdata.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/boxes.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from engines/scumm/boxes.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ backends/platform/sdl/posix/posix-main.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./backends/base-backend.h:25, from ./backends/modular-backend.h:25, from ./backends/platform/sdl/sdl.h:27, from ./backends/platform/sdl/posix/posix.h:25, from backends/platform/sdl/posix/posix-main.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/akos.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from engines/scumm/akos.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ base/main.o In file included from ./engines/engine.h:30, from base/main.cpp:33: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./gui/gui-manager.h:27, from base/main.cpp:56: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ backends/platform/sdl/sdl-window.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./backends/platform/sdl/sdl-window.h:27, from backends/platform/sdl/sdl-window.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/cursor.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/scumm/cursor.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/scumm/cursor.cpp:25: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ backends/platform/sdl/posix/posix.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./backends/base-backend.h:25, from ./backends/modular-backend.h:25, from ./backends/platform/sdl/sdl.h:27, from ./backends/platform/sdl/posix/posix.h:25, from backends/platform/sdl/posix/posix.cpp:35: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/costume.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from engines/scumm/costume.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/file.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/scumm/file.h:25, from engines/scumm/file.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/debugger.o In file included from ./common/debug-channels.h:30, from engines/scumm/debugger.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/file_nes.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/scumm/file.h:25, from ./engines/scumm/file_nes.h:25, from engines/scumm/file_nes.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/charset.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/font.h:27, from engines/scumm/charset.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/gfx_towns.o In file included from ./common/config-manager.h:27, from engines/scumm/gfx_towns.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ backends/platform/sdl/sdl.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./backends/base-backend.h:25, from ./backends/modular-backend.h:25, from ./backends/platform/sdl/sdl.h:27, from backends/platform/sdl/sdl.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from backends/platform/sdl/sdl.cpp:53: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/scumm/he/script_v70he.o In file included from ./common/config-manager.h:27, from engines/scumm/he/script_v70he.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/resource_he.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from engines/scumm/he/resource_he.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/scumm/he/resource_he.cpp:30: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/scumm/imuse/sysex_samnmax.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/imuse/imuse.h:28, from ./engines/scumm/imuse/imuse_internal.h:27, from engines/scumm/imuse/sysex_samnmax.cpp:35: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/actor.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/scumm/actor.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/dialogs.o In file included from ./common/config-manager.h:27, from engines/scumm/dialogs.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./gui/gui-manager.h:27, from engines/scumm/dialogs.cpp:33: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/scumm/he/script_v60he.o In file included from ./common/archive.h:31, from engines/scumm/he/script_v60he.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/mixer_he.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/he/sound_he.h:26, from ./engines/scumm/he/mixer_he.h:25, from engines/scumm/he/mixer_he.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse/sysex_scumm.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/imuse/imuse.h:28, from ./engines/scumm/imuse/imuse_internal.h:27, from engines/scumm/imuse/sysex_scumm.cpp:36: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/sound_he.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/actor.h:28, from engines/scumm/he/sound_he.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse/imuse_part.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/scumm/imuse/imuse_part.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse/instrument.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from engines/scumm/imuse/instrument.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/ks_check.o C++ engines/scumm/imuse/imuse_player.o In file included from ./engines/engine.h:30, from engines/scumm/imuse/imuse_player.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ base/plugins.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from base/plugins.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/midiparser_ro.o C++ engines/scumm/imuse/imuse.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/scumm/imuse/imuse.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse/drivers/fmtowns.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./audio/softsynth/fmtowns_pc98/towns_pc98_fmsynth.h:26, from engines/scumm/imuse/drivers/fmtowns.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse/drivers/amiga.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mods/paula.h:27, from ./engines/scumm/imuse/drivers/amiga.h:26, from engines/scumm/imuse/drivers/amiga.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse/drivers/pcspk.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./audio/softsynth/emumidi.h:27, from ./engines/scumm/imuse/drivers/pcspk.h:25, from engines/scumm/imuse/drivers/pcspk.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/help.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from engines/scumm/help.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse/drivers/mac_m68k.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./audio/softsynth/emumidi.h:27, from ./engines/scumm/imuse/drivers/mac_m68k.h:25, from engines/scumm/imuse/drivers/mac_m68k.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/players/player_apple2.o In file included from ./engines/engine.h:30, from engines/scumm/players/player_apple2.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse/drivers/midi.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/scumm/imuse/drivers/midi.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/players/player_he.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/scumm/players/player_he.h:26, from engines/scumm/players/player_he.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/players/player_mod.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/players/player_mod.h:25, from engines/scumm/players/player_mod.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/gfx_gui.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from engines/scumm/gfx_gui.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/scumm/gfx_gui.cpp:36: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/scumm/gfx.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/scumm/gfx.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ base/commandLine.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from base/commandLine.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/players/player_ad.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/players/player_ad.h:27, from engines/scumm/players/player_ad.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/players/player_pce.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/players/player_pce.h:26, from engines/scumm/players/player_pce.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/input.o In file included from ./common/config-manager.h:27, from engines/scumm/input.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/scumm/input.cpp:45: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/scumm/players/player_mac.o In file included from ./engines/engine.h:30, from engines/scumm/players/player_mac.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/palette.o In file included from ./common/config-manager.h:27, from engines/scumm/palette.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/players/player_nes.o In file included from ./engines/engine.h:30, from engines/scumm/players/player_nes.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/players/player_v2.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/players/player_v2base.h:26, from ./engines/scumm/players/player_v2.h:25, from engines/scumm/players/player_v2.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/players/player_v2base.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/players/player_v2base.h:26, from engines/scumm/players/player_v2base.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/object.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/actor.h:28, from engines/scumm/object.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/players/player_v3m.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/macresman.h:28, from engines/scumm/players/player_v3m.cpp:89: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/players/player_v1.o In file included from ./engines/engine.h:30, from engines/scumm/players/player_v1.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/players/player_v4a.o In file included from ./engines/engine.h:30, from engines/scumm/players/player_v4a.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/players/player_v5m.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/macresman.h:28, from engines/scumm/players/player_v5m.cpp:74: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/players/player_v3a.o In file included from ./engines/engine.h:30, from engines/scumm/players/player_v3a.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/players/player_towns.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./backends/audiocd/audiocd.h:25, from ./engines/scumm/sound.h:29, from engines/scumm/players/player_towns.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/players/player_v2cms.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/players/player_v2base.h:26, from ./engines/scumm/players/player_v2cms.h:25, from engines/scumm/players/player_v2cms.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/metaengine.o In file included from ./common/config-manager.h:27, from engines/scumm/metaengine.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/players/player_sid.o In file included from ./engines/engine.h:30, from engines/scumm/players/player_sid.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/resource_v2.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/scumm/file.h:25, from engines/scumm/resource_v2.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/resource_v3.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v5.h:25, from ./engines/scumm/scumm_v4.h:25, from ./engines/scumm/scumm_v3.h:25, from engines/scumm/resource_v3.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/script_v3.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v5.h:25, from ./engines/scumm/scumm_v4.h:25, from ./engines/scumm/scumm_v3.h:25, from engines/scumm/script_v3.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/resource_v4.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v5.h:25, from ./engines/scumm/scumm_v4.h:25, from engines/scumm/resource_v4.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/room.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/scumm/room.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/util.o C++ engines/scumm/script_v4.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v5.h:25, from ./engines/scumm/scumm_v4.h:25, from engines/scumm/script_v4.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/usage_bits.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from engines/scumm/usage_bits.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/vars.o In file included from ./common/config-manager.h:27, from engines/scumm/vars.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/nut_renderer.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from engines/scumm/nut_renderer.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/script.o In file included from ./common/config-manager.h:27, from engines/scumm/script.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/players/player_v2a.o In file included from ./engines/engine.h:30, from engines/scumm/players/player_v2a.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/verbs.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/actor.h:28, from engines/scumm/verbs.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/resource.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/macresman.h:28, from engines/scumm/resource.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/string_v7.o In file included from ./common/config-manager.h:27, from engines/scumm/string_v7.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse_digi/dimuse_tables.o C++ engines/scumm/sound.o In file included from ./common/config-manager.h:27, from engines/scumm/sound.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse_digi/dimuse_codecs.o C++ engines/scumm/imuse_digi/dimuse_sndmgr.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/resource.h:26, from engines/scumm/imuse_digi/dimuse_sndmgr.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse_digi/dimuse_bndmgr.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from engines/scumm/imuse_digi/dimuse_bndmgr.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/gfx_mac.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/scumm/gfx_mac.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/scumm/gfx_mac.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/scumm/string.o In file included from ./common/config-manager.h:27, from engines/scumm/string.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' engines/scumm/string.cpp: In member function 'virtual void Scumm::ScummEngine::fakeBidiString(byte*, bool, int) const': engines/scumm/string.cpp:645:44: warning: 'void* calloc(size_t, size_t)' sizes specified with 'sizeof' in the earlier argument and not in the later argument [-Wcalloc-transposed-args] 645 | byte * const buff = (byte *)calloc(sizeof(byte), bufferSize); | ^~~~~~~~~~~~ engines/scumm/string.cpp:645:44: note: earlier argument should specify number of elements, later size of each element engines/scumm/string.cpp:647:45: warning: 'void* calloc(size_t, size_t)' sizes specified with 'sizeof' in the earlier argument and not in the later argument [-Wcalloc-transposed-args] 647 | byte * const stack = (byte *)calloc(sizeof(byte), bufferSize); | ^~~~~~~~~~~~ engines/scumm/string.cpp:647:45: note: earlier argument should specify number of elements, later size of each element C++ engines/scumm/imuse_digi/dimuse_cmds.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/imuse_digi/dimuse_engine.h:26, from engines/scumm/imuse_digi/dimuse_cmds.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse_digi/dimuse_fades.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/imuse_digi/dimuse_engine.h:26, from engines/scumm/imuse_digi/dimuse_fades.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse_digi/dimuse_groups.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/imuse_digi/dimuse_engine.h:26, from engines/scumm/imuse_digi/dimuse_groups.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse_digi/dimuse_files.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/imuse_digi/dimuse_engine.h:26, from engines/scumm/imuse_digi/dimuse_files.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse_digi/dimuse_streamer.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/imuse_digi/dimuse_engine.h:26, from engines/scumm/imuse_digi/dimuse_streamer.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/saveload.o In file included from ./common/config-manager.h:27, from engines/scumm/saveload.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' engines/scumm/saveload.cpp: In member function 'void Scumm::ScummEngine::loadResourceOLD(Common::Serializer&, Scumm::ResType, Scumm::ResId)': engines/scumm/saveload.cpp:2299:24: warning: 'tmp' may be used uninitialized [-Wmaybe-uninitialized] 2299 | uint16 tmp; | ^~~ engines/scumm/saveload.cpp:2295:16: warning: 'size' may be used uninitialized [-Wmaybe-uninitialized] 2295 | uint32 size; | ^~~~ engines/scumm/saveload.cpp: In member function 'void Scumm::ScummEngine::loadResource(Common::Serializer&, Scumm::ResType, Scumm::ResId)': engines/scumm/saveload.cpp:2347:24: warning: 'size' may be used uninitialized [-Wmaybe-uninitialized] 2347 | uint32 size; | ^~~~ engines/scumm/saveload.cpp:2359:24: warning: 'size' may be used uninitialized [-Wmaybe-uninitialized] 2359 | uint32 size; | ^~~~ engines/scumm/saveload.cpp: In member function 'virtual void Scumm::ScummEngine::saveLoadWithSerializer(Common::Serializer&)': engines/scumm/saveload.cpp:1778:32: warning: 'tmp' may be used uninitialized [-Wmaybe-uninitialized] 1778 | uint16 tmp; | ^~~ engines/scumm/saveload.cpp:1756:15: warning: 'idx' may be used uninitialized [-Wmaybe-uninitialized] 1756 | ResId idx; | ^~~ engines/scumm/saveload.cpp:2004:23: warning: 'tmp' may be used uninitialized [-Wmaybe-uninitialized] 2004 | uint8 tmp; | ^~~ C++ engines/scumm/imuse_digi/dimuse_scripts.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/imuse_digi/dimuse_engine.h:26, from engines/scumm/imuse_digi/dimuse_scripts.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse_digi/dimuse_engine.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/scumm/imuse_digi/dimuse_engine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse_digi/dimuse_utils.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/imuse_digi/dimuse_engine.h:26, from engines/scumm/imuse_digi/dimuse_utils.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse_digi/dimuse_dispatch.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/imuse_digi/dimuse_engine.h:26, from engines/scumm/imuse_digi/dimuse_dispatch.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/script_v8.o In file included from ./common/config-manager.h:27, from engines/scumm/script_v8.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse_digi/dimuse_wave.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/imuse_digi/dimuse_engine.h:26, from engines/scumm/imuse_digi/dimuse_wave.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/script_v6.o In file included from ./common/config-manager.h:27, from engines/scumm/script_v6.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse_digi/dimuse_tracks.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/imuse_digi/dimuse_engine.h:26, from engines/scumm/imuse_digi/dimuse_tracks.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse_digi/dimuse_waveout.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/imuse_digi/dimuse_engine.h:26, from engines/scumm/imuse_digi/dimuse_waveout.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/imuse_digi/dimuse_triggers.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/scumm/imuse_digi/dimuse_engine.h:26, from engines/scumm/imuse_digi/dimuse_triggers.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/script_v0.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/actor.h:28, from engines/scumm/script_v0.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/smush/codec1.o C++ engines/scumm/smush/codec20.o C++ engines/scumm/imuse_digi/dimuse_internalmixer.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from engines/scumm/imuse_digi/dimuse_internalmixer.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/smush/codec37.o C++ engines/scumm/insane/insane_iact.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v6.h:25, from ./engines/scumm/scumm_v7.h:27, from engines/scumm/insane/insane_iact.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/smush/codec47.o C++ engines/scumm/insane/insane_ben.o In file included from ./engines/engine.h:30, from engines/scumm/insane/insane_ben.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/script_v2.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/actor.h:28, from engines/scumm/script_v2.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/logic_he.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v6.h:25, from ./engines/scumm/he/intern_he.h:25, from engines/scumm/he/logic_he.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/insane/insane_scenes.o In file included from ./engines/engine.h:30, from engines/scumm/insane/insane_scenes.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/animation_he.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v6.h:25, from ./engines/scumm/he/intern_he.h:25, from engines/scumm/he/animation_he.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/floodfill_he.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/scumm/he/floodfill_he.h:25, from engines/scumm/he/floodfill_he.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/palette_he.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/scumm/he/palette_he.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/insane/insane_enemy.o In file included from ./engines/engine.h:30, from engines/scumm/insane/insane_enemy.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/scumm.o In file included from ./common/config-manager.h:27, from engines/scumm/scumm.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/scumm/scumm.cpp:38: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/scumm/he/cup_player_he.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/scumm/he/cup_player_he.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/script_v71he.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/actor.h:28, from engines/scumm/he/script_v71he.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/localizer.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/scumm/he/localizer.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/logic/baseball2001.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v6.h:25, from ./engines/scumm/he/intern_he.h:25, from engines/scumm/he/logic/baseball2001.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/script_v5.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/actor.h:28, from engines/scumm/script_v5.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/logic/basketball.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v6.h:25, from ./engines/scumm/he/intern_he.h:25, from engines/scumm/he/logic/basketball.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/logic/funshop.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v6.h:25, from ./engines/scumm/he/intern_he.h:25, from engines/scumm/he/logic/funshop.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/script_v80he.o In file included from ./common/archive.h:31, from engines/scumm/he/script_v80he.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/logic/puttrace.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v6.h:25, from ./engines/scumm/he/intern_he.h:25, from engines/scumm/he/logic/puttrace.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/logic/football.o In file included from ./common/config-manager.h:27, from engines/scumm/he/logic/football.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/logic/moonbase_logic.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v6.h:25, from ./engines/scumm/he/intern_he.h:25, from engines/scumm/he/logic/moonbase_logic.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/moonbase/ai_node.o C++ engines/scumm/smush/smush_player.o In file included from ./common/config-manager.h:27, from engines/scumm/smush/smush_player.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/scumm/smush/smush_player.cpp:30: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/scumm/he/moonbase/ai_weapon.o C++ engines/scumm/he/script_v90he.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/actor.h:28, from engines/scumm/he/script_v90he.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/moonbase/ai_defenseunit.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from engines/scumm/he/moonbase/ai_defenseunit.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/moonbase/ai_types.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from engines/scumm/he/moonbase/ai_types.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/moonbase/ai_traveller.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v6.h:25, from ./engines/scumm/he/intern_he.h:25, from engines/scumm/he/moonbase/ai_traveller.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/logic/soccer.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v6.h:25, from ./engines/scumm/he/intern_he.h:25, from engines/scumm/he/logic/soccer.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/moonbase/distortion.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v6.h:25, from ./engines/scumm/he/intern_he.h:25, from engines/scumm/he/moonbase/distortion.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/moonbase/ai_targetacquisition.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v6.h:25, from ./engines/scumm/he/intern_he.h:25, from engines/scumm/he/moonbase/ai_targetacquisition.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/script_v72he.o In file included from ./common/config-manager.h:27, from engines/scumm/he/script_v72he.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/sprite_he.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v6.h:25, from ./engines/scumm/he/intern_he.h:25, from engines/scumm/he/sprite_he.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/moonbase/moonbase.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v6.h:25, from ./engines/scumm/he/intern_he.h:25, from engines/scumm/he/moonbase/moonbase.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/moonbase/ai_tree.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v6.h:25, from ./engines/scumm/he/intern_he.h:25, from engines/scumm/he/moonbase/ai_tree.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/dialog-createsession.o In file included from ./common/config-manager.h:27, from engines/scumm/dialog-createsession.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/he/moonbase/moonbase_fow.o In file included from ./common/config-manager.h:27, from engines/scumm/he/moonbase/moonbase_fow.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/scumm/dialog-sessionselector.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from engines/scumm/dialog-sessionselector.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/scumm/dialog-sessionselector.h:30, from engines/scumm/dialog-sessionselector.cpp:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/scumm/insane/insane.o In file included from ./engines/engine.h:30, from engines/scumm/insane/insane.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/access/data.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/access/data.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/access/decompress.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/access/decompress.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/access/debugger.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/access/debugger.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41, from engines/access/debugger.cpp:23: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/access/animation.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/access/access.h:26, from engines/access/animation.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/access/bubble_box.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/access/bubble_box.h:27, from engines/access/bubble_box.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41, from engines/access/bubble_box.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/access/events.o In file included from ./graphics/cursorman.h:26, from engines/access/events.cpp:23: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/cursorman.h:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/access/asurface.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/access/access.h:26, from engines/access/asurface.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/access/char.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/access/access.h:26, from engines/access/char.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/scumm/he/wiz_he.o In file included from ./common/archive.h:31, from engines/scumm/he/wiz_he.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/scumm/he/wiz_he.cpp:26: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/scumm/he/moonbase/ai_main.o In file included from ./engines/engine.h:30, from ./engines/scumm/scumm.h:25, from ./engines/scumm/scumm_v6.h:25, from ./engines/scumm/he/intern_he.h:25, from engines/scumm/he/moonbase/ai_main.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/access/files.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./common/substream.h:25, from engines/access/files.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41, from engines/access/files.cpp:26: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/access/font.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/access/font.h:27, from engines/access/font.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/access/access.o In file included from ./common/config-manager.h:27, from engines/access/access.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41, from engines/access/access.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/access/metaengine.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/access/metaengine.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41, from engines/access/metaengine.cpp:30: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/scumm/he/net/net_lobby.o In file included from ./common/config-manager.h:27, from engines/scumm/he/net/net_lobby.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/access/inventory.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/access/inventory.h:27, from engines/access/inventory.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41, from engines/access/inventory.cpp:23: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/access/video.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/access/data.h:27, from ./engines/access/video.h:27, from engines/access/video.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41, from engines/access/video.cpp:23: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/access/player.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/access/player.h:26, from engines/access/player.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41, from engines/access/player.cpp:25: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/access/screen.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from engines/access/screen.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41, from engines/access/screen.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/access/amazon/amazon_player.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/access/access.h:26, from engines/access/amazon/amazon_player.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/scumm/he/net/net_main.o In file included from ./common/config-manager.h:27, from engines/scumm/he/net/net_main.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/access/sound.o In file included from ./common/config-manager.h:27, from engines/access/sound.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41, from engines/access/sound.cpp:31: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/access/resources.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/access/resources.h:28, from engines/access/resources.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41, from engines/access/resources.cpp:23: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/access/amazon/amazon_room.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/access/access.h:26, from engines/access/amazon/amazon_room.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/access/amazon/amazon_resources.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/access/resources.h:28, from ./engines/access/amazon/amazon_resources.h:27, from engines/access/amazon/amazon_resources.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41, from engines/access/amazon/amazon_resources.cpp:23: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/scumm/he/script_v100he.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/scumm/he/script_v100he.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/access/video/movie_decoder.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/access/access.h:26, from engines/access/video/movie_decoder.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/access/martian/martian_player.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/access/access.h:26, from engines/access/martian/martian_player.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/access/room.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/access/access.h:26, from engines/access/room.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/access/martian/martian_resources.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/access/resources.h:28, from ./engines/access/martian/martian_resources.h:26, from engines/access/martian/martian_resources.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41, from engines/access/martian/martian_resources.cpp:23: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/access/amazon/amazon_game.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/access/resources.h:28, from engines/access/amazon/amazon_game.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41, from ./engines/access/amazon/amazon_game.h:25, from engines/access/amazon/amazon_game.cpp:23: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/access/martian/martian_room.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/access/access.h:26, from engines/access/martian/martian_room.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/access/scripts.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/access/access.h:26, from engines/access/scripts.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/access/amazon/amazon_scripts.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/access/access.h:26, from engines/access/amazon/amazon_scripts.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/access/martian/martian_game.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/access/resources.h:28, from engines/access/martian/martian_game.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41, from ./engines/access/martian/martian_game.h:25, from engines/access/martian/martian_game.cpp:23: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/access/martian/martian_scripts.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/access/access.h:26, from engines/access/martian/martian_scripts.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/adl/display.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/adl/display.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/adl/adl_v5.o In file included from ./common/debug-channels.h:30, from ./engines/adl/adl.h:25, from ./engines/adl/adl_v2.h:25, from ./engines/adl/adl_v3.h:25, from ./engines/adl/adl_v4.h:25, from ./engines/adl/adl_v5.h:25, from engines/adl/adl_v5.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from engines/adl/adl_v5.cpp:27: ./engines/adl/graphics.h:52:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 52 | GraphicsMan_v1(T &display) : _display(display) { this->setBounds(Common::Rect(280, 160)); } | ^ ./engines/adl/graphics.h:52:27: note: remove the '< >' ./engines/adl/graphics.h:72:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 72 | GraphicsMan_v2(T &display) : GraphicsMan_v1(display), _color(0) { } | ^ ./engines/adl/graphics.h:72:27: note: remove the '< >' ./engines/adl/graphics.h:99:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 99 | GraphicsMan_v3(T &display) : GraphicsMan_v2(display) { } | ^ ./engines/adl/graphics.h:99:27: note: remove the '< >' C++ engines/adl/adl_v3.o In file included from ./common/debug-channels.h:30, from ./engines/adl/adl.h:25, from ./engines/adl/adl_v2.h:25, from ./engines/adl/adl_v3.h:25, from engines/adl/adl_v3.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/access/amazon/amazon_logic.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/access/access.h:26, from engines/access/amazon/amazon_logic.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/access/events.h:27, from ./engines/access/access.h:41: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/adl/sound.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/adl/sound.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/adl/console.o In file included from ./common/debug-channels.h:30, from engines/adl/console.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from engines/adl/console.cpp:26: ./engines/adl/graphics.h:52:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 52 | GraphicsMan_v1(T &display) : _display(display) { this->setBounds(Common::Rect(280, 160)); } | ^ ./engines/adl/graphics.h:52:27: note: remove the '< >' ./engines/adl/graphics.h:72:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 72 | GraphicsMan_v2(T &display) : GraphicsMan_v1(display), _color(0) { } | ^ ./engines/adl/graphics.h:72:27: note: remove the '< >' ./engines/adl/graphics.h:99:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 99 | GraphicsMan_v3(T &display) : GraphicsMan_v2(display) { } | ^ ./engines/adl/graphics.h:99:27: note: remove the '< >' C++ engines/agi/checks.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/checks.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/adl/hires2.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/adl/hires2.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from engines/adl/hires2.cpp:30: ./engines/adl/graphics.h:52:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 52 | GraphicsMan_v1(T &display) : _display(display) { this->setBounds(Common::Rect(280, 160)); } | ^ ./engines/adl/graphics.h:52:27: note: remove the '< >' ./engines/adl/graphics.h:72:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 72 | GraphicsMan_v2(T &display) : GraphicsMan_v1(display), _color(0) { } | ^ ./engines/adl/graphics.h:72:27: note: remove the '< >' ./engines/adl/graphics.h:99:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 99 | GraphicsMan_v3(T &display) : GraphicsMan_v2(display) { } | ^ ./engines/adl/graphics.h:99:27: note: remove the '< >' C++ engines/agi/cycle.o In file included from ./common/config-manager.h:27, from engines/agi/cycle.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32, from engines/agi/cycle.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/adl/disk.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./common/substream.h:25, from engines/adl/disk.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/adl/metaengine.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/adl/metaengine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agi/console.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/console.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/adl/hires6.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/adl/hires6.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from engines/adl/hires6.cpp:31: ./engines/adl/graphics.h:52:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 52 | GraphicsMan_v1(T &display) : _display(display) { this->setBounds(Common::Rect(280, 160)); } | ^ ./engines/adl/graphics.h:52:27: note: remove the '< >' ./engines/adl/graphics.h:72:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 72 | GraphicsMan_v2(T &display) : GraphicsMan_v1(display), _color(0) { } | ^ ./engines/adl/graphics.h:72:27: note: remove the '< >' ./engines/adl/graphics.h:99:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 99 | GraphicsMan_v3(T &display) : GraphicsMan_v2(display) { } | ^ ./engines/adl/graphics.h:99:27: note: remove the '< >' C++ engines/adl/adl_v4.o In file included from ./common/debug-channels.h:30, from ./engines/adl/adl.h:25, from ./engines/adl/adl_v2.h:25, from ./engines/adl/adl_v3.h:25, from ./engines/adl/adl_v4.h:25, from engines/adl/adl_v4.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/adl/hires5.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/adl/hires5.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from engines/adl/hires5.cpp:31: ./engines/adl/graphics.h:52:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 52 | GraphicsMan_v1(T &display) : _display(display) { this->setBounds(Common::Rect(280, 160)); } | ^ ./engines/adl/graphics.h:52:27: note: remove the '< >' ./engines/adl/graphics.h:72:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 72 | GraphicsMan_v2(T &display) : GraphicsMan_v1(display), _color(0) { } | ^ ./engines/adl/graphics.h:72:27: note: remove the '< >' ./engines/adl/graphics.h:99:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 99 | GraphicsMan_v3(T &display) : GraphicsMan_v2(display) { } | ^ ./engines/adl/graphics.h:99:27: note: remove the '< >' C++ engines/agi/agi.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/agi/agi.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/agi/agi.cpp:36: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/adl/adl_v2.o In file included from ./common/debug-channels.h:30, from ./engines/adl/adl.h:25, from ./engines/adl/adl_v2.h:25, from engines/adl/adl_v2.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from engines/adl/adl_v2.cpp:27: ./engines/adl/graphics.h:52:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 52 | GraphicsMan_v1(T &display) : _display(display) { this->setBounds(Common::Rect(280, 160)); } | ^ ./engines/adl/graphics.h:52:27: note: remove the '< >' ./engines/adl/graphics.h:72:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 72 | GraphicsMan_v2(T &display) : GraphicsMan_v1(display), _color(0) { } | ^ ./engines/adl/graphics.h:72:27: note: remove the '< >' ./engines/adl/graphics.h:99:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 99 | GraphicsMan_v3(T &display) : GraphicsMan_v2(display) { } | ^ ./engines/adl/graphics.h:99:27: note: remove the '< >' C++ engines/agi/global.o In file included from ./common/config-manager.h:27, from engines/agi/global.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32, from engines/agi/global.cpp:25: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/adl/hires1.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/adl/hires1.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from engines/adl/hires1.cpp:31: ./engines/adl/graphics.h:52:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 52 | GraphicsMan_v1(T &display) : _display(display) { this->setBounds(Common::Rect(280, 160)); } | ^ ./engines/adl/graphics.h:52:27: note: remove the '< >' ./engines/adl/graphics.h:72:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 72 | GraphicsMan_v2(T &display) : GraphicsMan_v1(display), _color(0) { } | ^ ./engines/adl/graphics.h:72:27: note: remove the '< >' ./engines/adl/graphics.h:99:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 99 | GraphicsMan_v3(T &display) : GraphicsMan_v2(display) { } | ^ ./engines/adl/graphics.h:99:27: note: remove the '< >' C++ engines/agi/font.o In file included from ./common/config-manager.h:27, from engines/agi/font.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./gui/gui-manager.h:27, from engines/agi/font.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agi/loader_v1.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/loader_v1.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agi/inv.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/inv.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agi/logic.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/logic.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agi/loader_v2.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/loader_v2.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agi/lzw.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/lzw.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/adl/hires4.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/adl/hires4.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from engines/adl/hires4.cpp:33: ./engines/adl/graphics.h:52:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 52 | GraphicsMan_v1(T &display) : _display(display) { this->setBounds(Common::Rect(280, 160)); } | ^ ./engines/adl/graphics.h:52:27: note: remove the '< >' ./engines/adl/graphics.h:72:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 72 | GraphicsMan_v2(T &display) : GraphicsMan_v1(display), _color(0) { } | ^ ./engines/adl/graphics.h:72:27: note: remove the '< >' ./engines/adl/graphics.h:99:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 99 | GraphicsMan_v3(T &display) : GraphicsMan_v2(display) { } | ^ ./engines/adl/graphics.h:99:27: note: remove the '< >' C++ engines/agi/loader_v3.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/loader_v3.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agi/keyboard.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from engines/agi/keyboard.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32, from engines/agi/keyboard.cpp:25: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agi/objects.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/objects.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agi/op_dbg.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/op_dbg.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agi/motion.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/motion.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agi/opcodes.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/opcodes.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agi/menu.o In file included from ./common/config-manager.h:27, from engines/agi/menu.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32, from engines/agi/menu.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agi/graphics.o In file included from ./common/config-manager.h:27, from engines/agi/graphics.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/agi/graphics.cpp:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agi/op_test.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/op_test.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agi/metaengine.o In file included from ./common/config-manager.h:27, from engines/agi/metaengine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32, from engines/agi/metaengine.cpp:35: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agi/sound_coco3.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/sound_coco3.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agi/sound.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/sound.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agi/picture.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/picture.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agi/sound_sarien.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from engines/agi/sound_sarien.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32, from engines/agi/sound_sarien.cpp:25: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agi/sound_pcjr.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from engines/agi/sound_pcjr.cpp:56: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32, from engines/agi/sound_pcjr.cpp:57: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/adl/adl.o In file included from ./common/config-manager.h:27, from engines/adl/adl.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from engines/adl/adl.cpp:40: ./engines/adl/graphics.h:52:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 52 | GraphicsMan_v1(T &display) : _display(display) { this->setBounds(Common::Rect(280, 160)); } | ^ ./engines/adl/graphics.h:52:27: note: remove the '< >' ./engines/adl/graphics.h:72:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 72 | GraphicsMan_v2(T &display) : GraphicsMan_v1(display), _color(0) { } | ^ ./engines/adl/graphics.h:72:27: note: remove the '< >' ./engines/adl/graphics.h:99:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 99 | GraphicsMan_v3(T &display) : GraphicsMan_v2(display) { } | ^ ./engines/adl/graphics.h:99:27: note: remove the '< >' C++ engines/agi/sound_2gs.o In file included from ./common/config-manager.h:27, from engines/agi/sound_2gs.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32, from engines/agi/sound_2gs.cpp:31: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agi/op_cmd.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/op_cmd.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agi/sprite.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/sprite.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agi/view.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/view.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agi/sound_midi.o In file included from ./common/config-manager.h:27, from engines/agi/sound_midi.cpp:44: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32, from engines/agi/sound_midi.cpp:49: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agi/preagi/preagi.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from engines/agi/preagi/preagi.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32, from ./engines/agi/preagi/preagi.h:25, from engines/agi/preagi/preagi.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agi/saveload.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/agi/saveload.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32, from engines/agi/saveload.cpp:38: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agi/words.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/words.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/drivers/accolade/adlib.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mididrv_ms.h:25, from ./audio/adlib_ms.h:25, from ./engines/agos/drivers/accolade/adlib.h:25, from engines/agos/drivers/accolade/adlib.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from ./engines/agos/drivers/accolade/mididriver.h:25, from engines/agos/drivers/accolade/adlib.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agi/text.o In file included from ./common/config-manager.h:27, from engines/agi/text.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32, from engines/agi/text.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/drivers/accolade/casio.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mididrv_ms.h:25, from ./audio/casio.h:26, from ./engines/agos/drivers/accolade/casio.h:25, from engines/agos/drivers/accolade/casio.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from ./engines/agos/drivers/accolade/mididriver.h:25, from engines/agos/drivers/accolade/casio.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/drivers/accolade/driverfile.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/agos/drivers/accolade/driverfile.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agi/systemui.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from engines/agi/systemui.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/drivers/accolade/cms.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./audio/cms.h:29, from ./engines/agos/drivers/accolade/cms.h:27, from engines/agos/drivers/accolade/cms.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agos/drivers/simon1/adlib.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mididrv_ms.h:25, from ./audio/adlib_ms.h:25, from ./engines/agos/drivers/simon1/adlib.h:25, from engines/agos/drivers/simon1/adlib.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agos/drivers/accolade/pc98.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from engines/agos/drivers/accolade/pc98.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agos/drivers/accolade/mt32.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mididrv_ms.h:25, from ./audio/mt32gm.h:26, from ./engines/agos/drivers/accolade/mt32.h:25, from engines/agos/drivers/accolade/mt32.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from ./engines/agos/drivers/accolade/mididriver.h:25, from engines/agos/drivers/accolade/mt32.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agi/preagi/troll.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from ./engines/agi/preagi/preagi.h:25, from engines/agi/preagi/troll.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/charset.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/agos/charset.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/charset.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/contain.o In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/contain.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agi/preagi/winnie.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/agi/agi.h:28, from ./engines/agi/preagi/preagi.h:25, from engines/agi/preagi/winnie.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agi/agi.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/cursor.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from engines/agos/cursor.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/agos/cursor.cpp:25: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agi/preagi/mickey.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from engines/agi/preagi/mickey.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/agi/preagi/mickey.cpp:26: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/debugger.o In file included from ./common/config-manager.h:27, from engines/agos/debugger.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/debugger.cpp:25: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/debug.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/agos/debug.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/debug.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/input_pn.o In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/input_pn.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/agos.o In file included from ./common/config-manager.h:27, from engines/agos/agos.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/agos.cpp:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/draw.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/agos/draw.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/draw.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/charset-fontdata.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/agos/charset-fontdata.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/charset-fontdata.cpp:26: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/input.o In file included from ./common/config-manager.h:27, from engines/agos/input.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/input.cpp:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/midiparser_gmf.o C++ engines/agos/midiparser_simonwin.o C++ engines/agos/items.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/agos/items.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/items.cpp:26: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/icons.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/agos/icons.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/icons.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/menus.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/agos/menus.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/menus.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/midiparser_s1d.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/agos/midiparser_s1d.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/adl/display_a2.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from engines/adl/display_a2.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agos/event.o In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/event.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/metaengine.o In file included from ./common/config-manager.h:27, from engines/agos/metaengine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/metaengine.cpp:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/pn.o In file included from ./common/config-manager.h:27, from engines/agos/pn.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/pn.cpp:25: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/res_ami.o In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/res_ami.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/gfx.o In file included from ./common/debug-channels.h:30, from engines/agos/gfx.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/gfx.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/midi.o In file included from ./common/config-manager.h:27, from engines/agos/midi.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/midi.cpp:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/res_snd.o In file included from ./common/config-manager.h:27, from engines/agos/res_snd.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/res_snd.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/script_ww.o In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/script_ww.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/rooms.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/agos/rooms.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/rooms.cpp:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/script_e2.o In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/script_e2.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/script_s1.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/agos/script_s1.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/script_s1.cpp:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/script_e1.o In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/script_e1.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/sfxparser_accolade.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mididrv_ms.h:25, from ./audio/adlib_ms.h:25, from ./engines/agos/drivers/accolade/adlib.h:25, from ./engines/agos/sfxparser_accolade.h:25, from engines/agos/sfxparser_accolade.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/agos/script_pn.o In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/script_pn.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/script_s2.o In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/script_s2.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/string_pn.o In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/string_pn.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/script.o In file included from ./common/debug-channels.h:30, from engines/agos/script.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/script.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/verb_pn.o In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/verb_pn.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/sound.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/agos/sound.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/sound.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/vga_pn.o In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/vga_pn.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/vga_ww.o In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/vga_ww.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/vga_s1.o In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/vga_s1.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/verb.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/agos/verb.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/verb.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/vga_e2.o In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/vga_e2.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/string.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/agos/string.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/string.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/res.o In file included from ./common/archive.h:31, from engines/agos/res.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/res.cpp:31: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/saveload.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/agos/saveload.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/saveload.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/vga_s2.o In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/vga_s2.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/zones.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/agos/zones.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/zones.cpp:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/window.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/agos/window.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/window.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/subroutine.o In file included from ./common/debug-channels.h:30, from engines/agos/subroutine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/subroutine.cpp:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/script_dp.o In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/script_dp.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/script_pp.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/agos/script_pp.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/script_pp.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/feeble.o In file included from ./common/config-manager.h:27, from engines/agos/feeble.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/feeble.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/oracle.o In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/oracle.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/script_ff.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/agos/script_ff.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32, from engines/agos/script_ff.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/vga.o In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/vga.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/vga_ff.o In file included from ./engines/engine.h:30, from ./engines/agos/agos.h:25, from engines/agos/vga_ff.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/agos/agos.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/agos/animation.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from engines/agos/animation.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/agos/animation.cpp:33: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/ags/events.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/ags/events.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/dialogs.o In file included from ./common/config-manager.h:27, from engines/ags/dialogs.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./gui/ThemeEval.h:28, from engines/ags/dialogs.cpp:31: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/ags/music.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/midiplayer.h:26, from ./engines/ags/music.h:26, from engines/ags/music.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/aastr-0.1.1/aastr.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/lib/aastr-0.1.1/aastr.h:40, from engines/ags/lib/aastr-0.1.1/aastr.cpp:37: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/game_scanner.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/ags/detection.h:25, from engines/ags/game_scanner.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/allegro/config.o C++ engines/ags/ags.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/ags.h:26, from engines/ags/ags.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/ags/shared/util/directory.h:32, from engines/ags/ags.cpp:61: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/ags/console.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/ags/console.h:26, from engines/ags/console.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/aastr-0.1.1/aarot.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/lib/aastr-0.1.1/aastr.h:40, from engines/ags/lib/aastr-0.1.1/aarot.cpp:37: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/allegro/file.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from engines/ags/lib/allegro/file.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/allegro/draw.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./engines/ags/lib/allegro/gfx.h:25, from ./engines/ags/lib/allegro/draw.h:23, from engines/ags/lib/allegro/draw.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/metaengine.o In file included from ./engines/achievements.h:28, from ./engines/ags/metaengine.h:25, from engines/ags/metaengine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/ags/shared/util/directory.h:32, from engines/ags/metaengine.cpp:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/ags/lib/allegro/graphics.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./engines/ags/lib/allegro/gfx.h:25, from engines/ags/lib/allegro/graphics.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/allegro/fixed.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from engines/ags/lib/allegro/fixed.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/allegro/flood.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./engines/ags/lib/allegro/flood.h:25, from engines/ags/lib/allegro/flood.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/std/std.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from engines/ags/lib/std/std.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/allegro/math.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from engines/ags/lib/allegro/math.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/allegro/rotate.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./engines/ags/lib/allegro/surface.h:25, from ./engines/ags/lib/allegro/rotate.h:26, from engines/ags/lib/allegro/rotate.cpp:1: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/system/datetime.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/system/datetime.h:26, from engines/ags/lib/system/datetime.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/ac/dynobj/script_audio_clip.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/ac/dynobj/script_audio_clip.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/allegro/gfx.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./engines/ags/lib/allegro/gfx.h:25, from engines/ags/lib/allegro/gfx.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/aastr-0.1.1/aautil.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/lib/aastr-0.1.1/aautil.h:40, from engines/ags/lib/aastr-0.1.1/aautil.cpp:37: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/allegro/system.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro/system.h:26, from engines/ags/lib/allegro/system.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/ac/common.o C++ engines/ags/shared/ac/audio_clip_type.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/ac/audio_clip_type.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/ac/keycode.o C++ engines/ags/shared/ac/dialog_topic.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/ac/dialog_topic.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/allegro/color.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from engines/ags/lib/allegro/color.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/ac/inventory_item_info.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/ac/inventory_item_info.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/ac/mouse_cursor.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/ac/mouse_cursor.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/ac/character_info.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/ac/character_info.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/allegro/unicode.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from engines/ags/lib/allegro/unicode.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/allegro/surface.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./engines/ags/lib/allegro/gfx.h:25, from engines/ags/lib/allegro/surface.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/core/asset.o C++ engines/ags/shared/ac/game_setup_struct_base.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from engines/ags/shared/ac/game_setup_struct_base.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/allegro/surface_generic.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from engines/ags/lib/allegro/surface_generic.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/alfont/alfont.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./engines/ags/lib/allegro/surface.h:25, from ./engines/ags/lib/alfont/alfont.h:25, from engines/ags/lib/alfont/alfont.cpp:46: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/ac/words_dictionary.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/ac/words_dictionary.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/ac/view.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/util/proxy_stream.h:25, from ./engines/ags/shared/util/aligned_stream.h:47, from engines/ags/shared/ac/view.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/game/custom_properties.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/game/custom_properties.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/game/room_file_deprecated.o C++ engines/ags/shared/ac/sprite_cache.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/ags/shared/ac/sprite_cache.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/font/wfn_font.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/font/wfn_font.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/core/asset_manager.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/directory.h:31, from engines/ags/shared/core/asset_manager.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/ags/shared/util/directory.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/ags/shared/ac/game_setup_struct.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/shared/ac/game_setup_struct.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/font/fonts.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./engines/ags/lib/allegro/surface.h:25, from ./engines/ags/lib/alfont/alfont.h:25, from engines/ags/shared/font/fonts.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/globals.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from engines/ags/globals.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/ags/shared/util/directory.h:32, from engines/ags/globals.cpp:41: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/ags/shared/font/ttf_font_renderer.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./engines/ags/lib/allegro/surface.h:25, from ./engines/ags/lib/alfont/alfont.h:25, from engines/ags/shared/font/ttf_font_renderer.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/font/wfn_font_renderer.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from engines/ags/shared/font/wfn_font_renderer.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/ac/sprite_file.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/ac/sprite_file.h:37, from engines/ags/shared/ac/sprite_file.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/debugging/debug_manager.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from engines/ags/shared/debugging/debug_manager.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/game/interactions.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/util/proxy_stream.h:25, from ./engines/ags/shared/util/aligned_stream.h:47, from engines/ags/shared/game/interactions.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/game/room_file_base.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/game/room_file.h:38, from engines/ags/shared/game/room_file_base.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/gfx/allegro_bitmap.o In file included from ./common/config-manager.h:27, from engines/ags/shared/gfx/allegro_bitmap.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/gfx/bitmap.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from engines/ags/shared/gfx/bitmap.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/game/tra_file.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/game/tra_file.h:32, from engines/ags/shared/game/tra_file.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/gui/gui_inv.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/shared/gui/gui_object.h:26, from ./engines/ags/shared/gui/gui_inv.h:26, from engines/ags/shared/gui/gui_inv.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/gfx/image.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/gfx/image.h:25, from engines/ags/shared/gfx/image.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/gui/gui_button.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/ac/sprite_file.h:37, from ./engines/ags/shared/ac/sprite_cache.h:47, from engines/ags/shared/gui/gui_button.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/game/room_struct.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/game/room_file.h:38, from engines/ags/shared/game/room_struct.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/gui/gui_label.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/font/fonts.h:30, from engines/ags/shared/gui/gui_label.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/util/aligned_stream.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/util/proxy_stream.h:25, from ./engines/ags/shared/util/aligned_stream.h:47, from engines/ags/shared/util/aligned_stream.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/util/buffered_stream.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/util/data_stream.h:34, from ./engines/ags/shared/util/file_stream.h:28, from ./engines/ags/shared/util/buffered_stream.h:33, from engines/ags/shared/util/buffered_stream.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/gui/gui_textbox.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/font/fonts.h:30, from engines/ags/shared/gui/gui_textbox.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/gui/gui_slider.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/ac/sprite_file.h:37, from ./engines/ags/shared/ac/sprite_cache.h:47, from engines/ags/shared/gui/gui_slider.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/gui/gui_object.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from ./engines/ags/shared/gui/gui_main.h:26, from engines/ags/shared/gui/gui_object.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/script/cc_common.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from engines/ags/shared/script/cc_common.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/script/cc_script.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/script/cc_script.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/util/data_stream.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/util/data_stream.h:34, from engines/ags/shared/util/data_stream.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/gui/gui_listbox.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/shared/gui/gui_object.h:26, from ./engines/ags/shared/gui/gui_listbox.h:26, from engines/ags/shared/gui/gui_listbox.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/util/geometry.o C++ engines/ags/shared/util/file.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/util/data_stream.h:34, from ./engines/ags/shared/util/file_stream.h:28, from ./engines/ags/shared/util/buffered_stream.h:33, from engines/ags/shared/util/file.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/ags/shared/util/directory.h:32, from engines/ags/shared/util/file.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/ags/shared/util/data_ext.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/util/data_ext.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/util/compress.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/util/wgt2_allg.h:31, from ./engines/ags/shared/util/compress.h:26, from engines/ags/shared/util/compress.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/game/room_file.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/game/room_file.h:38, from engines/ags/shared/game/room_file.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/game/main_game_file.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/shared/game/main_game_file.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/util/stream.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/util/stream.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/util/directory.o In file included from ./common/config-manager.h:27, from engines/ags/shared/util/directory.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/ags/shared/util/directory.h:32, from engines/ags/shared/util/directory.cpp:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/ags/shared/util/path.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from engines/ags/shared/util/path.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/util/file_stream.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/util/data_stream.h:34, from ./engines/ags/shared/util/file_stream.h:28, from engines/ags/shared/util/file_stream.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/ags/shared/util/directory.h:32, from engines/ags/shared/util/file_stream.cpp:25: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/ags/shared/util/ini_file.o C++ engines/ags/shared/util/memory_stream.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/util/data_stream.h:34, from ./engines/ags/shared/util/memory_stream.h:39, from engines/ags/shared/util/memory_stream.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/util/proxy_stream.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/util/proxy_stream.h:25, from engines/ags/shared/util/proxy_stream.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/util/string_compat.o C++ engines/ags/shared/util/lzw.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/util/lzw.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/util/stdio_compat.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from engines/ags/shared/util/stdio_compat.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/ags/shared/util/directory.h:32, from engines/ags/shared/util/stdio_compat.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/ags/shared/util/version.o C++ engines/ags/shared/util/text_stream_reader.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/util/text_stream_reader.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/util/text_stream_writer.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/util/text_stream_writer.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/character_extras.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/ac/character_extras.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/util/multi_file_lib.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/util/multi_file_lib.h:37, from engines/ags/shared/util/multi_file_lib.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/util/wgt2_allg.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/util/wgt2_allg.h:31, from engines/ags/shared/util/wgt2_allg.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/cd_audio.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from engines/ags/engine/ac/cd_audio.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/gui/gui_main.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from ./engines/ags/shared/gui/gui_main.h:26, from engines/ags/shared/gui/gui_main.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/util/string.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/util/string.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/audio_clip.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/media/audio/audio.h:30, from ./engines/ags/engine/media/audio/audio_system.h:28, from engines/ags/engine/ac/audio_clip.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/util/string_utils.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/util/string_utils.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/shared/util/ini_util.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/shared/util/ini_util.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/audio_channel.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/ac/game_state.h:31, from engines/ags/engine/ac/audio_channel.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/date_time.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/script/cc_instance.h:27, from ./engines/ags/engine/script/script_runtime.h:27, from engines/ags/engine/ac/date_time.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/game_setup.o C++ engines/ags/engine/ac/character_info_engine.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/character_info_engine.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/button.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from ./engines/ags/engine/ac/button.h:25, from engines/ags/engine/ac/button.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dialog_options_rendering.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/game/room_struct.h:50, from ./engines/ags/engine/ac/dynobj/script_drawing_surface.h:26, from ./engines/ags/engine/ac/dynobj/script_dialog_options_rendering.h:25, from ./engines/ags/engine/ac/dialog_options_rendering.h:26, from engines/ags/engine/ac/dialog_options_rendering.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_date_time.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/ags/engine/ac/global_date_time.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/draw_software.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/engine/ac/draw_software.h:32, from engines/ags/engine/ac/draw_software.cpp:49: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/drawing_surface.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/drawing_surface.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/display.o In file included from ./common/config-manager.h:27, from engines/ags/engine/ac/display.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dialog.o In file included from engines/ags/engine/ac/dialog.cpp:22: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from ./engines/ags/shared/gui/gui_main.h:26, from ./engines/ags/engine/ac/display.h:25, from engines/ags/engine/ac/dialog.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/event.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/event.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_button.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from ./engines/ags/engine/ac/button.h:25, from engines/ags/engine/ac/global_button.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynamic_sprite.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/game/room_struct.h:50, from ./engines/ags/engine/ac/dynobj/script_drawing_surface.h:26, from ./engines/ags/engine/ac/dynamic_sprite.h:26, from engines/ags/engine/ac/dynamic_sprite.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_audio.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/global_audio.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_character.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from ./engines/ags/shared/gui/gui_main.h:26, from ./engines/ags/engine/ac/display.h:25, from engines/ags/engine/ac/global_character.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/file.o In file included from ./common/config-manager.h:27, from engines/ags/engine/ac/file.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/ags/shared/util/directory.h:32, from engines/ags/engine/ac/file.cpp:42: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/ags/engine/ac/global_debug.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/global_debug.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_dialog.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/global_dialog.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_dynamic_sprite.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/global_dynamic_sprite.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_display.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from ./engines/ags/shared/gui/gui_main.h:26, from ./engines/ags/engine/ac/display.h:25, from engines/ags/engine/ac/global_display.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_file.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/directory.h:31, from engines/ags/engine/ac/global_file.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/ags/shared/util/directory.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/ags/engine/ac/global_hotspot.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/global_hotspot.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_drawing_surface.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from ./engines/ags/shared/gui/gui_main.h:26, from ./engines/ags/engine/ac/display.h:25, from engines/ags/engine/ac/global_drawing_surface.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_gui.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from ./engines/ags/shared/gui/gui_main.h:26, from ./engines/ags/engine/ac/display.h:25, from engines/ags/engine/ac/global_gui.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_listbox.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/shared/gui/gui_object.h:26, from ./engines/ags/shared/gui/gui_listbox.h:26, from ./engines/ags/engine/ac/listbox.h:25, from engines/ags/engine/ac/global_listbox.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_inv_window.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/ac/game_state.h:31, from engines/ags/engine/ac/global_inv_window.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_label.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/global_label.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_inventory_item.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/global_inventory_item.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_mouse.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/ac/game_state.h:31, from engines/ags/engine/ac/global_mouse.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/game_state.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/game_state.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_game.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/system/datetime.h:26, from ./engines/ags/engine/ac/global_game.h:26, from engines/ags/engine/ac/global_game.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_overlay.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/global_overlay.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_parser.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/ac/game_state.h:31, from engines/ags/engine/ac/global_parser.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_palette.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/global_palette.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_region.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/ac/game_state.h:31, from engines/ags/engine/ac/global_region.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_object.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/global_object.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_string.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from engines/ags/engine/ac/global_string.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_slider.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/global_slider.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_room.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/global_room.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_screen.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/global_screen.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_textbox.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/global_textbox.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_timer.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/ac/game_state.h:31, from engines/ags/engine/ac/global_timer.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/interface_button.o C++ engines/ags/engine/ac/interface_element.o C++ engines/ags/engine/ac/draw.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/lib/aastr-0.1.1/aastr.h:40, from engines/ags/engine/ac/draw.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_translation.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from ./engines/ags/shared/gui/gui_main.h:26, from ./engines/ags/engine/ac/display.h:25, from engines/ags/engine/ac/global_translation.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/game.o In file included from ./common/config-manager.h:27, from engines/ags/engine/ac/game.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/ags/shared/util/directory.h:32, from engines/ags/engine/ac/game.cpp:80: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/ags/engine/ac/global_viewport.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/global_viewport.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_view_frame.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/global_view_frame.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_walkable_area.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/global_walkable_area.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_walk_behind.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/global_walk_behind.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_video.o In file included from ./common/config-manager.h:27, from engines/ags/engine/ac/global_video.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/character.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/character.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/gui_inv.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/shared/gui/gui_object.h:26, from ./engines/ags/shared/gui/gui_inv.h:26, from engines/ags/engine/ac/gui_inv.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/label.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/shared/gui/gui_object.h:26, from ./engines/ags/shared/gui/gui_label.h:26, from ./engines/ags/engine/ac/label.h:25, from engines/ags/engine/ac/label.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/hotspot.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/ac/game_state.h:31, from engines/ags/engine/ac/hotspot.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/inventory_item.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/inventory_item.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/move_list.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/engine/ac/move_list.h:25, from engines/ags/engine/ac/move_list.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/gui_control.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/shared/gui/gui_object.h:26, from ./engines/ags/engine/ac/gui_control.h:25, from engines/ags/engine/ac/gui_control.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/math.o In file included from ./common/config-manager.h:27, from engines/ags/engine/ac/math.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/inv_window.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/shared/gui/gui_object.h:26, from ./engines/ags/shared/gui/gui_inv.h:26, from ./engines/ags/engine/ac/inv_window.h:27, from engines/ags/engine/ac/inv_window.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/global_api.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/script/cc_instance.h:27, from ./engines/ags/engine/script/script_runtime.h:27, from engines/ags/engine/ac/global_api.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/rich_game_media.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/ac/rich_game_media.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/parser.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/parser.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/properties.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/properties.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/mouse.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/mouse.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/region.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/region.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/gui.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from ./engines/ags/shared/gui/gui_main.h:26, from ./engines/ags/engine/ac/gui.h:26, from engines/ags/engine/ac/gui.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/route_finder_impl.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/engine/ac/move_list.h:25, from engines/ags/engine/ac/route_finder_impl.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/route_finder.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from engines/ags/engine/ac/route_finder.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/listbox.o In file included from ./common/config-manager.h:27, from engines/ags/engine/ac/listbox.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/room_object.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/room_object.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/screen_overlay.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/ac/sprite_file.h:37, from ./engines/ags/shared/ac/sprite_cache.h:47, from engines/ags/engine/ac/screen_overlay.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/overlay.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/ac/sprite_file.h:37, from ./engines/ags/shared/ac/sprite_cache.h:47, from engines/ags/engine/ac/overlay.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/room_status.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/game/room_struct.h:50, from ./engines/ags/engine/ac/room_status.h:27, from engines/ags/engine/ac/room_status.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/screen.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/screen.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/route_finder_impl_legacy.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/game/room_struct.h:50, from engines/ags/engine/ac/route_finder_impl_legacy.cpp:33: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/slider.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/shared/gui/gui_object.h:26, from ./engines/ags/shared/gui/gui_slider.h:26, from ./engines/ags/engine/ac/slider.h:25, from engines/ags/engine/ac/slider.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/object.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/object.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/sprite_cache_engine.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/ac/sprite_file.h:37, from ./engines/ags/shared/ac/sprite_cache.h:47, from engines/ags/engine/ac/sprite_cache_engine.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/speech.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/speech.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/ags/shared/util/directory.h:32, from engines/ags/engine/ac/speech.cpp:40: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/ags/engine/ac/route_finder_jps.o C++ engines/ags/engine/ac/sprite.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/sprite.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/sys_events.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from engines/ags/engine/ac/sys_events.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/cc_ags_dynamic_object.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/util/data_stream.h:34, from ./engines/ags/shared/util/memory_stream.h:39, from engines/ags/engine/ac/dynobj/cc_ags_dynamic_object.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/textbox.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/shared/gui/gui_object.h:26, from ./engines/ags/shared/gui/gui_textbox.h:26, from ./engines/ags/engine/ac/textbox.h:25, from engines/ags/engine/ac/textbox.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/timer.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/lib/std/thread.h:25, from engines/ags/engine/ac/timer.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/string.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from ./engines/ags/shared/gui/gui_main.h:26, from ./engines/ags/engine/ac/display.h:25, from engines/ags/engine/ac/string.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/system.o In file included from ./common/config-manager.h:27, from engines/ags/engine/ac/system.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/walkable_area.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/ac/game_state.h:31, from engines/ags/engine/ac/walkable_area.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/walk_behind.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/game/room_struct.h:50, from ./engines/ags/engine/ac/room_status.h:27, from engines/ags/engine/ac/walk_behind.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/view_frame.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/view_frame.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/room.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/room.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/cc_audio_channel.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/ac/dynobj/cc_audio_channel.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/cc_dialog.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/ac/dynobj/cc_dialog.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/cc_audio_clip.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/dynobj/cc_audio_clip.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/cc_character.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/dynobj/cc_character.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/translation.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/translation.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/cc_dynamic_array.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from engines/ags/engine/ac/dynobj/cc_dynamic_array.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/cc_dynamic_object.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/ac/dynobj/cc_dynamic_object.cpp:42: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/cc_hotspot.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/game/room_struct.h:50, from engines/ags/engine/ac/dynobj/cc_hotspot.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/cc_gui_object.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from ./engines/ags/shared/gui/gui_main.h:26, from engines/ags/engine/ac/dynobj/cc_gui_object.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/cc_inventory.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/ac/dynobj/cc_inventory.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/cc_gui.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/ac/dynobj/cc_gui.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/cc_region.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/game/room_struct.h:50, from engines/ags/engine/ac/dynobj/cc_region.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/cc_object.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/game/room_struct.h:50, from engines/ags/engine/ac/dynobj/cc_object.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/viewport_script.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/ac/viewport_script.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/script_date_time.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/ac/dynobj/script_date_time.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/script_dict.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/engine/ac/dynobj/script_dict.h:41, from engines/ags/engine/ac/dynobj/script_dict.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/script_file.o C++ engines/ags/engine/ac/dynobj/script_dialog_options_rendering.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/game/room_struct.h:50, from ./engines/ags/engine/ac/dynobj/script_drawing_surface.h:26, from ./engines/ags/engine/ac/dynobj/script_dialog_options_rendering.h:25, from engines/ags/engine/ac/dynobj/script_dialog_options_rendering.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/script_camera.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/ac/game_state.h:31, from engines/ags/engine/ac/dynobj/script_camera.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/script_set.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/engine/ac/dynobj/script_set.h:40, from engines/ags/engine/ac/dynobj/script_set.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/cc_serializer.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/shared/util/data_stream.h:34, from ./engines/ags/shared/util/memory_stream.h:39, from engines/ags/engine/ac/dynobj/cc_serializer.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/script_dynamic_sprite.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/ac/dynobj/script_dynamic_sprite.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/script_string.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/ac/dynobj/script_string.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/script_user_object.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/ac/dynobj/script_user_object.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/script_drawing_surface.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/game/room_struct.h:50, from ./engines/ags/engine/ac/dynobj/script_drawing_surface.h:26, from engines/ags/engine/ac/dynobj/script_drawing_surface.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/statobj/static_array.o C++ engines/ags/engine/ac/dynobj/script_view_frame.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/ac/dynobj/script_view_frame.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/script_overlay.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/ac/dynobj/script_overlay.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/managed_object_pool.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/ac/dynobj/managed_object_pool.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/statobj/ags_static_object.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/ac/statobj/ags_static_object.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/debugging/console_output_target.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from engines/ags/engine/debugging/console_output_target.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/dynobj/script_viewport.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/ac/game_state.h:31, from engines/ags/engine/ac/dynobj/script_viewport.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/debugging/log_file.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/debugging/log_file.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/ac/script_containers.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/engine/ac/dynobj/script_dict.h:41, from engines/ags/engine/ac/script_containers.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/debugging/message_buffer.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from engines/ags/engine/debugging/message_buffer.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/debugging/file_based_ags_debugger.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/debugging/file_based_ags_debugger.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/font/fonts_engine.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/font/fonts_engine.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/device/mouse_w32.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/ac/game_state.h:31, from engines/ags/engine/device/mouse_w32.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/gfx/blender.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from engines/ags/engine/gfx/blender.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/gfx/color_engine.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from engines/ags/engine/gfx/color_engine.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/gfx/gfxfilter_scaling.o C++ engines/ags/engine/gfx/gfx_driver_factory.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/engine/gfx/ali_3d_scummvm.h:40, from engines/ags/engine/gfx/gfx_driver_factory.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/game/viewport.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/game/viewport.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/gfx/gfx_util.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/engine/gfx/gfx_util.h:37, from engines/ags/engine/gfx/gfx_util.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/gui/animating_gui_button.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/gui/animating_gui_button.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/debugging/debug.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/debugging/debug.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/gfx/gfxfilter_scummvm_renderer.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from engines/ags/engine/gfx/gfxfilter_scummvm_renderer.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/gui/gui_engine.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/font/fonts.h:30, from engines/ags/engine/gui/gui_engine.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/gui/csci_dialog.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from ./engines/ags/engine/gui/gui_dialog_internal_defs.h:26, from ./engines/ags/engine/gui/csci_dialog.h:32, from engines/ags/engine/gui/csci_dialog.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/gui/my_label.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from ./engines/ags/shared/gui/gui_main.h:26, from ./engines/ags/engine/ac/display.h:25, from engines/ags/engine/gui/my_label.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/gui/my_push_button.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/ags/engine/ac/sys_events.h:25, from engines/ags/engine/gui/my_push_button.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/gui/new_control.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/engine/gui/new_control.h:25, from engines/ags/engine/gui/new_control.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/gui/my_listbox.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/font/fonts.h:30, from engines/ags/engine/gui/my_listbox.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/gfx/gfx_driver_base.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from engines/ags/engine/gfx/gfx_driver_base.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/gui/gui_dialog.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from engines/ags/engine/gui/gui_dialog.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/gui/my_textbox.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/font/fonts.h:30, from engines/ags/engine/gui/my_textbox.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/game/savegame.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/game/savegame.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/game/game_init.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from ./engines/ags/shared/gui/gui_main.h:26, from ./engines/ags/engine/ac/display.h:25, from engines/ags/engine/game/game_init.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/main/engine_setup.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from ./engines/ags/shared/gui/gui_main.h:26, from ./engines/ags/engine/ac/display.h:25, from engines/ags/engine/main/engine_setup.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/media/audio/ambient_sound.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/media/audio/audio.h:30, from engines/ags/engine/media/audio/ambient_sound.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/gfx/ali_3d_scummvm.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/engine/gfx/ali_3d_scummvm.h:40, from engines/ags/engine/gfx/ali_3d_scummvm.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/main/config.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/main/config.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/ags/shared/util/directory.h:32, from engines/ags/engine/main/config.cpp:39: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/ags/engine/main/game_start.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/main/game_start.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/main/quit.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/ac/game_setup_struct_base.h:25, from ./engines/ags/shared/ac/game_setup_struct.h:28, from engines/ags/engine/main/quit.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/media/audio/clip_my_midi.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/util/wgt2_allg.h:31, from engines/ags/engine/media/audio/clip_my_midi.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/game/savegame_v321.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from ./engines/ags/engine/ac/button.h:25, from engines/ags/engine/game/savegame_v321.cpp:36: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/main/graphics_mode.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/main/graphics_mode.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/media/audio/queued_audio_item.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from engines/ags/engine/media/audio/queued_audio_item.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/main/update.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/main/update.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/media/audio/sound_clip.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/ags/engine/media/audio/sound_clip.h:31, from engines/ags/engine/media/audio/sound_clip.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/main/game_run.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from ./engines/ags/engine/ac/button.h:25, from engines/ags/engine/main/game_run.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/main/main.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from engines/ags/engine/main/main.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/ags/shared/util/directory.h:32, from engines/ags/engine/main/main.cpp:39: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/ags/engine/script/exports.o C++ engines/ags/engine/media/audio/sound.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/ags/engine/media/audio/sound_clip.h:31, from ./engines/ags/engine/media/audio/sound.h:32, from engines/ags/engine/media/audio/sound.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/platform/base/sys_main.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/ags/engine/platform/base/sys_main.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/script/executing_script.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/script/cc_instance.h:27, from ./engines/ags/engine/script/executing_script.h:25, from engines/ags/engine/script/executing_script.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/platform/scummvm/scummvm_platform_driver.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/ags.h:26, from engines/ags/engine/platform/scummvm/scummvm_platform_driver.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/main/game_file.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from engines/ags/engine/main/game_file.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/platform/base/ags_platform_driver.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/util/wgt2_allg.h:31, from engines/ags/engine/platform/base/ags_platform_driver.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/plugin_object_reader.o C++ engines/ags/engine/script/runtime_script_value.o C++ engines/ags/engine/media/audio/audio.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/media/audio/audio.h:30, from engines/ags/engine/media/audio/audio.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/media/video/video.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./video/avi_decoder.h:27, from engines/ags/engine/media/video/video.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/core/core.o C++ engines/ags/engine/script/script_api.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from engines/ags/engine/script/script_api.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/game/savegame_components.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/ags/lib/allegro/file.h:27, from ./engines/ags/shared/util/stream.h:38, from ./engines/ags/engine/game/savegame_components.h:26, from engines/ags/engine/game/savegame_components.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/core/audio_channel.o C++ engines/ags/plugins/core/audio_clip.o C++ engines/ags/engine/script/script_runtime.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/script/cc_instance.h:27, from ./engines/ags/engine/script/system_imports.h:26, from engines/ags/engine/script/script_runtime.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/engine/script/system_imports.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/script/cc_instance.h:27, from ./engines/ags/engine/script/system_imports.h:26, from engines/ags/engine/script/system_imports.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/core/date_time.o C++ engines/ags/plugins/core/dialog.o C++ engines/ags/engine/main/engine.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from engines/ags/engine/main/engine.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/ags/shared/util/directory.h:32, from engines/ags/engine/main/engine.cpp:72: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/ags/plugins/core/button.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/ags/shared/util/stdio_compat.h:26, from ./engines/ags/globals.h:31, from ./engines/ags/engine/ac/button.h:25, from engines/ags/plugins/core/button.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/core/dialog_options_rendering_info.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/game/room_struct.h:50, from ./engines/ags/engine/ac/dynobj/script_drawing_surface.h:26, from ./engines/ags/engine/ac/dynobj/script_dialog_options_rendering.h:25, from ./engines/ags/engine/ac/dialog_options_rendering.h:26, from engines/ags/plugins/core/dialog_options_rendering_info.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/core/file.o C++ engines/ags/plugins/core/drawing_surface.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/game/room_struct.h:50, from ./engines/ags/engine/ac/dynobj/script_drawing_surface.h:26, from ./engines/ags/engine/ac/drawing_surface.h:25, from engines/ags/plugins/core/drawing_surface.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/core/dynamic_sprite.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/game/room_struct.h:50, from ./engines/ags/engine/ac/dynobj/script_drawing_surface.h:26, from ./engines/ags/engine/ac/dynamic_sprite.h:26, from engines/ags/plugins/core/dynamic_sprite.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/core/hotspot.o C++ engines/ags/engine/script/script.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/std/chrono.h:25, from ./engines/ags/engine/ac/timer.h:26, from ./engines/ags/engine/script/cc_instance.h:27, from ./engines/ags/engine/script/script.h:27, from engines/ags/engine/script/script.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/core/game.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/system/datetime.h:26, from ./engines/ags/engine/ac/global_game.h:26, from engines/ags/plugins/core/game.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/core/inventory_item.o C++ engines/ags/plugins/plugin_base.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from engines/ags/plugins/plugin_base.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/core/gui.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from ./engines/ags/shared/gui/gui_main.h:26, from ./engines/ags/engine/ac/gui.h:26, from engines/ags/plugins/core/gui.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/core/character.o C++ engines/ags/plugins/core/maths.o C++ engines/ags/plugins/ags_plugin.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from engines/ags/plugins/ags_plugin.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' engines/ags/plugins/ags_plugin.cpp: In member function 'virtual void AGS3::IAGSEngine::GetRenderStageDesc(AGS3::AGSRenderStageDesc*)': engines/ags/plugins/ags_plugin.cpp:756:73: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 756 | _G(gfxDriver)->GetStageMatrixes((RenderMatrixes &)desc->Matrixes); | ~~~~~~^~~~~~~~ C++ engines/ags/plugins/core/mouse.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/lib/system/datetime.h:26, from ./engines/ags/engine/ac/global_game.h:26, from engines/ags/plugins/core/mouse.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/core/overlay.o C++ engines/ags/plugins/core/parser.o C++ engines/ags/plugins/core/label.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/shared/gui/gui_object.h:26, from ./engines/ags/shared/gui/gui_label.h:26, from ./engines/ags/engine/ac/label.h:25, from engines/ags/plugins/core/label.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/core/gui_control.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/shared/gui/gui_object.h:26, from ./engines/ags/engine/ac/gui_control.h:25, from engines/ags/plugins/core/gui_control.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/core/inv_window.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/shared/gui/gui_object.h:26, from ./engines/ags/shared/gui/gui_inv.h:26, from ./engines/ags/engine/ac/inv_window.h:27, from engines/ags/plugins/core/inv_window.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/core/region.o C++ engines/ags/plugins/core/object.o C++ engines/ags/engine/script/cc_instance.o In file included from ./common/debug-channels.h:30, from engines/ags/engine/script/cc_instance.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/core/listbox.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/shared/gui/gui_object.h:26, from ./engines/ags/shared/gui/gui_listbox.h:26, from ./engines/ags/engine/ac/listbox.h:25, from engines/ags/plugins/core/listbox.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/core/string.o C++ engines/ags/plugins/core/system.o C++ engines/ags/plugins/core/slider.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/shared/gui/gui_object.h:26, from ./engines/ags/shared/gui/gui_slider.h:26, from ./engines/ags/engine/ac/slider.h:25, from engines/ags/plugins/core/slider.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_app_open_url/ags_app_open_url.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/ags/plugins/ags_app_open_url/ags_app_open_url.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_clipboard/ags_clipboard.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/ags/plugins/ags_clipboard/ags_clipboard.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/core/view_frame.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/engine/ac/view_frame.h:29, from engines/ags/plugins/core/view_frame.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/core/textbox.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/shared/gfx/bitmap.h:51, from ./engines/ags/shared/gui/gui_object.h:26, from ./engines/ags/shared/gui/gui_textbox.h:26, from ./engines/ags/engine/ac/textbox.h:25, from engines/ags/plugins/core/textbox.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_agi/ags_agi.o C++ engines/ags/plugins/core/room.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/shared/game/room_struct.h:50, from ./engines/ags/engine/ac/dynobj/script_drawing_surface.h:26, from ./engines/ags/engine/ac/room.h:25, from engines/ags/plugins/core/room.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_consoles/ags_consoles.o C++ engines/ags/plugins/ags_creditz/drawing.o C++ engines/ags/plugins/ags_controller/ags_controller_arcnor.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/ags/events.h:28, from engines/ags/plugins/ags_controller/ags_controller_arcnor.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_collision_detector/ags_collision_detector.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/plugins/ags_collision_detector/ags_collision_detector.h:26, from engines/ags/plugins/ags_collision_detector/ags_collision_detector.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_controller/ags_controller.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/ags/events.h:28, from engines/ags/plugins/ags_controller/ags_controller.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_fire/ags_fire.o C++ engines/ags/plugins/ags_blend/ags_blend.o C++ engines/ags/plugins/ags_joy/ags_joy.o C++ engines/ags/plugins/ags_flashlight/gfx.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/plugins/ags_flashlight/ags_flashlight.h:27, from engines/ags/plugins/ags_flashlight/gfx.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_creditz/ags_creditz.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/ags/plugins/ags_creditz/ags_creditz.h:28, from engines/ags/plugins/ags_creditz/ags_creditz.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_galaxy_steam/ags_wadjeteye_steam.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/ags/plugins/ags_galaxy_steam/ags_galaxy_steam.h:27, from ./engines/ags/plugins/ags_galaxy_steam/ags_wadjeteye_steam.h:25, from engines/ags/plugins/ags_galaxy_steam/ags_wadjeteye_steam.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_parallax/ags_parallax.o C++ engines/ags/plugins/ags_creditz/ags_creditz1.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/ags/plugins/ags_creditz/ags_creditz.h:28, from ./engines/ags/plugins/ags_creditz/ags_creditz1.h:25, from engines/ags/plugins/ags_creditz/ags_creditz1.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_flashlight/ags_flashlight.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from engines/ags/plugins/ags_flashlight/ags_flashlight.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_sprite_font/character_entry.o C++ engines/ags/plugins/ags_sprite_font/color.o C++ engines/ags/plugins/ags_creditz/ags_creditz2.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/ags/plugins/ags_creditz/ags_creditz.h:28, from ./engines/ags/plugins/ags_creditz/ags_creditz2.h:25, from engines/ags/plugins/ags_creditz/ags_creditz2.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_sprite_font/sprite_font.o C++ engines/ags/plugins/ags_nickenstien_gfx/ags_nickenstien_gfx.o C++ engines/ags/plugins/ags_snow_rain/ags_snow_rain.o C++ engines/ags/plugins/ags_sprite_font/ags_sprite_font.o C++ engines/ags/plugins/ags_snow_rain/weather.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from engines/ags/plugins/ags_snow_rain/weather.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_sprite_font/ags_sprite_font_clifftop.o C++ engines/ags/plugins/ags_sprite_font/sprite_font_renderer_clifftop.o C++ engines/ags/plugins/ags_galaxy_steam/ags_galaxy_steam.o In file included from ./engines/achievements.h:28, from ./engines/ags/metaengine.h:25, from engines/ags/plugins/ags_galaxy_steam/ags_galaxy_steam.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_sprite_font/sprite_font_renderer.o C++ engines/ags/plugins/ags_sprite_font/variable_width_sprite_font_clifftop.o C++ engines/ags/plugins/ags_sprite_video/ags_sprite_video.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/ags/plugins/ags_sprite_video/ags_sprite_video.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_sock/ags_sock.o C++ engines/ags/plugins/ags_touch/ags_touch.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/ags/plugins/ags_touch/ags_touch.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_sprite_font/variable_width_font.o C++ engines/ags/plugins/ags_shell/ags_shell.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/ags.h:26, from engines/ags/plugins/ags_shell/ags_shell.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_tcp_ip/ags_tcp_ip.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from ./engines/ags/plugins/ags_tcp_ip/ags_tcp_ip.h:26, from engines/ags/plugins/ags_tcp_ip/ags_tcp_ip.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_trans/ags_trans.o C++ engines/ags/plugins/ags_sprite_font/variable_width_sprite_font.o C++ engines/ags/plugins/ags_wadjet_util/ags_wadjet_util.o C++ engines/ags/lib/freetype-2.1.3/autohint/ahangles.o C++ engines/ags/lib/freetype-2.1.3/ftgloadr.o C++ engines/ags/plugins/ags_waves/data.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/ags/plugins/ags_waves/ags_waves.h:25, from engines/ags/plugins/ags_waves/data.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_waves/warper.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/ags/plugins/ags_waves/ags_waves.h:25, from engines/ags/plugins/ags_waves/warper.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/freetype-2.1.3/ftutil.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/ags/lib/freetype-2.1.3/ftutil.cpp:43: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/core/global_api.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/shared/gfx/allegro_bitmap.h:34, from ./engines/ags/engine/ac/draw.h:29, from ./engines/ags/shared/gui/gui_main.h:26, from ./engines/ags/engine/ac/display.h:25, from engines/ags/plugins/core/global_api.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/freetype-2.1.3/autohint/ahglobal.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/ags/lib/freetype-2.1.3/autohint/ahglobal.cpp:47: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_waves/sound.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/ags/plugins/ags_waves/sound.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/freetype-2.1.3/autohint/ahhint.o C++ engines/ags/lib/freetype-2.1.3/autohint/ahglyph.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/ags/lib/freetype-2.1.3/autohint/ahglyph.cpp:51: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_waves/ags_waves.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/ags/plugins/ags_waves/ags_waves.h:25, from engines/ags/plugins/ags_waves/ags_waves.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/puzzles/boardkeyhidesto.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/puzzles/puzzle.h:25, from ./engines/asylum/puzzles/board.h:25, from ./engines/asylum/puzzles/boardkeyhidesto.h:25, from engines/asylum/puzzles/boardkeyhidesto.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/puzzles/board.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/puzzles/puzzle.h:25, from ./engines/asylum/puzzles/board.h:25, from engines/asylum/puzzles/board.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/puzzles/boardyouth.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/puzzles/puzzle.h:25, from ./engines/asylum/puzzles/board.h:25, from ./engines/asylum/puzzles/boardyouth.h:25, from engines/asylum/puzzles/boardyouth.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_waves/weather.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/ags/plugins/ags_waves/ags_waves.h:25, from engines/ags/plugins/ags_waves/weather.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/puzzles/clock.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/puzzles/puzzle.h:25, from ./engines/asylum/puzzles/clock.h:25, from engines/asylum/puzzles/clock.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/puzzles/fisherman.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/puzzles/puzzle.h:25, from ./engines/asylum/puzzles/fisherman.h:25, from engines/asylum/puzzles/fisherman.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_waves/draw.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/ags/plugins/ags_waves/ags_waves.h:25, from engines/ags/plugins/ags_waves/draw.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/puzzles/boardsalvation.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/puzzles/puzzle.h:25, from ./engines/asylum/puzzles/board.h:25, from ./engines/asylum/puzzles/boardsalvation.h:25, from engines/asylum/puzzles/boardsalvation.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/puzzles/hivemachine.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/puzzles/puzzle.h:25, from ./engines/asylum/puzzles/hivemachine.h:27, from engines/asylum/puzzles/hivemachine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_pal_render/raycast.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from engines/ags/plugins/ags_pal_render/raycast.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' engines/ags/plugins/ags_pal_render/raycast.cpp: In function 'double AGS3::Plugins::AGSPalRender::fsqrt(double)': engines/ags/plugins/ags_pal_render/raycast.cpp:180:32: warning: 'tempf' is used uninitialized [-Wuninitialized] 180 | *tfptr = (0xbfcdd90a - *tfptr) >> 1; /* estimate of 1/sqrt(y) */ | ^~~~~~ engines/ags/plugins/ags_pal_render/raycast.cpp:176:22: note: 'tempf' declared here 176 | double x, z, tempf; | ^~~~~ C++ engines/asylum/puzzles/lock.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/puzzles/puzzle.h:25, from ./engines/asylum/puzzles/lock.h:25, from engines/asylum/puzzles/lock.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/puzzles/puzzle.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/puzzles/puzzle.h:25, from engines/asylum/puzzles/puzzle.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/puzzles/puzzles.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/asylum/console.h:27, from ./engines/asylum/puzzles/puzzles.h:27, from engines/asylum/puzzles/puzzles.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/puzzles/morguedoor.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/puzzles/puzzle.h:25, from ./engines/asylum/puzzles/morguedoor.h:25, from engines/asylum/puzzles/morguedoor.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/puzzles/hivecontrol.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/puzzles/puzzle.h:25, from ./engines/asylum/puzzles/hivecontrol.h:27, from engines/asylum/puzzles/hivecontrol.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/plugins/ags_pal_render/ags_pal_render.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/ags/lib/allegro/color.h:26, from ./engines/ags/lib/allegro.h:29, from engines/ags/plugins/ags_pal_render/ags_pal_render.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/puzzles/tictactoe.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/puzzles/puzzle.h:25, from ./engines/asylum/puzzles/tictactoe.h:25, from engines/asylum/puzzles/tictactoe.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/puzzles/wheel.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/puzzles/puzzle.h:25, from ./engines/asylum/puzzles/wheel.h:25, from engines/asylum/puzzles/wheel.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/puzzles/writings.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/puzzles/puzzle.h:25, from ./engines/asylum/puzzles/writings.h:25, from engines/asylum/puzzles/writings.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/puzzles/timemachine.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/puzzles/puzzle.h:25, from ./engines/asylum/puzzles/timemachine.h:25, from engines/asylum/puzzles/timemachine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/puzzles/vcr.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/puzzles/puzzle.h:25, from ./engines/asylum/puzzles/vcr.h:25, from engines/asylum/puzzles/vcr.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/resources/inventory.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/resources/actor.h:26, from engines/asylum/resources/inventory.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/resources/data.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/asylum/console.h:27, from engines/asylum/resources/data.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/resources/polygons.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/resources/polygons.h:26, from engines/asylum/resources/polygons.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/puzzles/pipes.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/puzzles/puzzle.h:25, from ./engines/asylum/puzzles/pipes.h:31, from engines/asylum/puzzles/pipes.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/system/config.o In file included from ./engines/asylum/system/config.h:26, from engines/asylum/system/config.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/system/cursor.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/asylum/system/cursor.h:25, from engines/asylum/system/cursor.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/asylum/system/cursor.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/asylum/system/graphics.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/system/graphics.h:25, from engines/asylum/system/graphics.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/resources/object.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/resources/object.h:25, from engines/asylum/resources/object.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/allegro/surface_sse2.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/ags/ags.h:26, from engines/ags/lib/allegro/surface_sse2.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/system/speech.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/resources/actor.h:26, from engines/asylum/system/speech.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/views/insertdisc.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/asylum/eventhandler.h:26, from ./engines/asylum/views/insertdisc.h:25, from engines/asylum/views/insertdisc.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/system/text.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/system/text.h:25, from engines/asylum/system/text.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/system/sound.o In file included from ./engines/asylum/system/config.h:26, from engines/asylum/system/sound.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/resources/encounters.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/asylum/eventhandler.h:26, from ./engines/asylum/resources/encounters.h:28, from engines/asylum/resources/encounters.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/asylum/resources/script.h:28, from engines/asylum/resources/encounters.cpp:26: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/asylum/system/savegame.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/asylum/system/savegame.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/asylum/resources/script.h:28, from engines/asylum/system/savegame.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/asylum/views/resviewer.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/system/graphics.h:25, from ./engines/asylum/views/resviewer.h:25, from engines/asylum/views/resviewer.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/resources/special.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/resources/special.h:26, from engines/asylum/resources/special.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/asylum/resources/script.h:28, from engines/asylum/resources/special.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/asylum/views/scenetitle.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/resources/worldstats.h:26, from engines/asylum/views/scenetitle.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/ags/lib/allegro/surface_avx2.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./engines/ags/lib/allegro/gfx.h:25, from engines/ags/lib/allegro/surface_avx2.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/resources/worldstats.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/resources/worldstats.h:26, from engines/asylum/resources/worldstats.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/asylum/resources/script.h:28, from engines/asylum/resources/worldstats.cpp:26: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/asylum/views/video.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./video/avi_decoder.h:27, from engines/asylum/views/video.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/metaengine.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/asylum/metaengine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/avalanche/closing.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/closing.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/asylum/respack.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/asylum/respack.h:26, from engines/asylum/respack.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/system/screen.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/system/screen.h:27, from engines/asylum/system/screen.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/asylum/resources/script.h:28, from engines/asylum/system/screen.cpp:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/avalanche/background.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/background.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/avalanche/console.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from engines/avalanche/console.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55, from engines/avalanche/console.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/asylum/asylum.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./backends/keymapper/hardware-input.h:28, from ./backends/keymapper/keymap.h:27, from ./backends/keymapper/keymapper.h:27, from engines/asylum/asylum.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/asylum/resources/script.h:28, from engines/asylum/asylum.cpp:37: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/asylum/console.o In file included from ./common/debug-channels.h:30, from engines/asylum/console.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/asylum/resources/script.h:28, from engines/asylum/console.cpp:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/avalanche/avalanche.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/avalanche.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/avalanche/animation.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/avalanche/animation.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55, from engines/avalanche/animation.cpp:30: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/avalanche/sound.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/sound.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/avalanche/avalot.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/avalot.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/avalanche/sequence.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/sequence.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/asylum/resources/actor.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/asylum/resources/actor.h:26, from engines/asylum/resources/actor.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/asylum/resources/script.h:28, from engines/asylum/resources/actor.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/avalanche/clock.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/avalanche/clock.h:30, from engines/avalanche/clock.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55, from engines/avalanche/clock.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/avalanche/dropdown.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/dropdown.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/avalanche/timer.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/timer.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/asylum/views/menu.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./backends/keymapper/action.h:28, from engines/asylum/views/menu.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/asylum/resources/script.o In file included from ./engines/asylum/resources/script.h:28, from engines/asylum/resources/script.cpp:22: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/asylum/console.h:27, from ./engines/asylum/puzzles/puzzles.h:27, from engines/asylum/resources/script.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/avalanche/dialogs.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/dialogs.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/avalanche/metaengine.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/metaengine.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/avalanche/help.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/help.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/avalanche/nim.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/nim.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/avalanche/mainmenu.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/mainmenu.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/asylum/views/scene.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/asylum/views/scene.h:26, from engines/asylum/views/scene.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/asylum/resources/script.h:28, from engines/asylum/views/scene.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/avalanche/highscore.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/highscore.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/avalanche/ghostroom.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/ghostroom.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/bbvs/graphics.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bbvs/spritemodule.h:26, from ./engines/bbvs/graphics.h:25, from engines/bbvs/graphics.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/avalanche/shootemup.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/shootemup.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/bbvs/dialogs.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/bbvs.h:25, from ./engines/bbvs/dialogs.h:25, from engines/bbvs/dialogs.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bbvs/logic.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/bbvs.h:25, from engines/bbvs/logic.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bbvs/scene.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/bbvs.h:25, from engines/bbvs/scene.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/avalanche/graphics.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/graphics.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/bbvs/spritemodule.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bbvs/spritemodule.h:26, from engines/bbvs/spritemodule.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bbvs/videoplayer.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/bbvs.h:25, from engines/bbvs/videoplayer.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bbvs/sound.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/sound.h:25, from engines/bbvs/sound.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bbvs/minigames/bbant_anims.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/bbvs.h:25, from ./engines/bbvs/minigames/minigame.h:25, from ./engines/bbvs/minigames/bbant.h:25, from engines/bbvs/minigames/bbant_anims.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/avalanche/parser.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/avalanche/console.h:30, from ./engines/avalanche/avalanche.h:30, from engines/avalanche/parser.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/avalanche/avalanche.h:55: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/bbvs/minigames/bbairguitar_anims.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/bbvs.h:25, from ./engines/bbvs/minigames/minigame.h:25, from ./engines/bbvs/minigames/bbairguitar.h:25, from engines/bbvs/minigames/bbairguitar_anims.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bbvs/saveload.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/bbvs.h:25, from engines/bbvs/saveload.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bbvs/minigames/bbloogie_anims.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/bbvs.h:25, from ./engines/bbvs/minigames/minigame.h:25, from ./engines/bbvs/minigames/bbloogie.h:25, from engines/bbvs/minigames/bbloogie_anims.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bbvs/walk.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/bbvs.h:25, from engines/bbvs/walk.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bbvs/minigames/bbant.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/bbvs.h:25, from ./engines/bbvs/minigames/minigame.h:25, from ./engines/bbvs/minigames/bbant.h:25, from engines/bbvs/minigames/bbant.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bbvs/gamemodule.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bbvs/gamemodule.h:26, from engines/bbvs/gamemodule.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bbvs/minigames/bbtennis_anims.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/bbvs.h:25, from ./engines/bbvs/minigames/minigame.h:25, from ./engines/bbvs/minigames/bbtennis.h:25, from engines/bbvs/minigames/bbtennis_anims.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/adpcm_decoder.o C++ engines/bbvs/minigames/bbairguitar.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/bbvs.h:25, from ./engines/bbvs/minigames/minigame.h:25, from ./engines/bbvs/minigames/bbairguitar.h:25, from engines/bbvs/minigames/bbairguitar.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bbvs/metaengine.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/bbvs.h:25, from engines/bbvs/metaengine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bbvs/minigames/minigame.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/bbvs.h:25, from ./engines/bbvs/minigames/minigame.h:25, from engines/bbvs/minigames/minigame.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/aud_stream.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/bladerunner/audio_cache.h:26, from engines/bladerunner/aud_stream.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bbvs/minigames/bbloogie.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/bbvs.h:25, from ./engines/bbvs/minigames/minigame.h:25, from ./engines/bbvs/minigames/bbloogie.h:25, from engines/bbvs/minigames/bbloogie.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/actor_combat.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/bladerunner/actor.h:29, from engines/bladerunner/actor_combat.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/actor_walk.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from engines/bladerunner/actor_walk.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/ambient_sounds.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/ambient_sounds.h:25, from engines/bladerunner/ambient_sounds.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/archive.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from engines/bladerunner/archive.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/boundingbox.o C++ engines/bbvs/bbvs.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/bbvs.h:25, from engines/bbvs/bbvs.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/bbvs/bbvs.cpp:45: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/bbvs/minigames/bbtennis.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bbvs/sound.h:25, from engines/bbvs/minigames/bbtennis.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/color.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/bladerunner/color.h:25, from engines/bladerunner/color.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/audio_cache.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/bladerunner/audio_cache.h:26, from engines/bladerunner/audio_cache.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/decompress_lcw.o C++ engines/bladerunner/actor_clues.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/bladerunner/actor.h:29, from engines/bladerunner/actor_clues.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/actor_dialogue_queue.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from engines/bladerunner/actor_dialogue_queue.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/audio_mixer.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/bladerunner/audio_mixer.h:26, from engines/bladerunner/audio_mixer.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/crimes_database.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from engines/bladerunner/crimes_database.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/decompress_lzo.o C++ engines/bladerunner/audio_player.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/bladerunner/audio_player.h:26, from engines/bladerunner/audio_player.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/audio_speech.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/audio_speech.h:25, from engines/bladerunner/audio_speech.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/combat.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/bladerunner/actor.h:29, from engines/bladerunner/combat.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/chapters.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from engines/bladerunner/chapters.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/framelimiter.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/framelimiter.h:25, from engines/bladerunner/framelimiter.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/dialogue_menu.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from engines/bladerunner/dialogue_menu.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/font.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/font.h:27, from ./engines/bladerunner/font.h:28, from engines/bladerunner/font.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/game_flags.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/bladerunner/game_flags.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/game_info.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from engines/bladerunner/game_info.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/matrix.o C++ engines/bladerunner/image.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from engines/bladerunner/image.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/item_pickup.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/bladerunner/item_pickup.h:25, from engines/bladerunner/item_pickup.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/light.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/bladerunner/color.h:25, from ./engines/bladerunner/light.h:26, from engines/bladerunner/light.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/item.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/bladerunner/item.h:28, from engines/bladerunner/item.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/movement_track.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/movement_track.h:25, from engines/bladerunner/movement_track.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/fog.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/bladerunner/color.h:25, from ./engines/bladerunner/fog.h:25, from engines/bladerunner/fog.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/lights.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/lights.h:25, from engines/bladerunner/lights.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/actor.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/bladerunner/actor.h:29, from engines/bladerunner/actor.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/metaengine.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from engines/bladerunner/metaengine.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/mouse.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/bladerunner/actor.h:29, from engines/bladerunner/mouse.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/items.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/items.h:25, from engines/bladerunner/items.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/music.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/bladerunner/music.h:25, from engines/bladerunner/music.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/regions.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/regions.h:25, from engines/bladerunner/regions.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/screen_effects.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from engines/bladerunner/screen_effects.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/savefile.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from engines/bladerunner/savefile.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/overlays.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from engines/bladerunner/overlays.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/outtake.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from engines/bladerunner/outtake.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/esper_script.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/esper_script.h:25, from engines/bladerunner/script/esper_script.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/scene.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/bladerunner/actor.h:29, from engines/bladerunner/scene.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/scene_objects.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/bladerunner/scene_objects.h:27, from engines/bladerunner/scene_objects.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/obstacles.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/bladerunner/rect_float.h:25, from ./engines/bladerunner/obstacles.h:25, from engines/bladerunner/obstacles.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/kia_script.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/kia_script.h:25, from engines/bladerunner/script/kia_script.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/answering_machine.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/answering_machine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/baker.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/baker.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/bryant.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/bryant.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/blimp_guy.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/blimp_guy.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai_script.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai_script.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/bullet_bob.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/bullet_bob.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/bladerunner.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from engines/bladerunner/bladerunner.cpp:21: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/police_maze.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from engines/bladerunner/script/police_maze.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/crazylegs.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/crazylegs.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/chew.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/chew.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/clovis.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/clovis.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/vk_script.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/vk_script.h:25, from engines/bladerunner/script/vk_script.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/init_script.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/init_script.h:25, from engines/bladerunner/script/init_script.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/desk_clerk.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/desk_clerk.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/script.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from engines/bladerunner/script/script.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/debugger.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/debugger.h:25, from engines/bladerunner/debugger.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/dispatcher.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/dispatcher.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/early_q.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/early_q.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/early_q_bartender.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/early_q_bartender.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/dektora.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/dektora.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/fish_dealer.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/fish_dealer.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/general_doll.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/general_doll.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/free_slot_b.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/free_slot_b.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/gaff.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/gaff.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/free_slot_a.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/free_slot_a.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/generic_walker_a.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/generic_walker_a.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/governor_kolvig.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/governor_kolvig.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/generic_walker_c.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/generic_walker_c.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/generic_walker_b.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/generic_walker_b.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/grigorian.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/grigorian.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/hawkers_parrot.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/hawkers_parrot.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/hawkers_barkeep.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/hawkers_barkeep.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/hasan.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/hasan.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/holloway.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/holloway.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/guzza.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/guzza.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/hanoi.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/hanoi.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/hysteria_patron2.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/hysteria_patron2.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/hysteria_patron1.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/hysteria_patron1.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/gordo.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/gordo.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/hysteria_patron3.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/hysteria_patron3.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/howie_lee.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/howie_lee.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/insect_dealer.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/insect_dealer.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/lance.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/lance.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/isabella.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/isabella.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/lockup_guard.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/lockup_guard.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/klein.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/klein.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/leon.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/leon.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/male_announcer.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/male_announcer.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/izo.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/izo.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/marcus.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/marcus.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/luther.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/luther.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/mia.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/mia.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/lucy.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/lucy.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/murray.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/murray.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/moraji.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/moraji.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/maggie.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/maggie.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/newscaster.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/newscaster.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/mutant1.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/mutant1.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/mutant2.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/mutant2.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/mutant3.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/mutant3.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/mccoy.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/mccoy.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/rajif.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from engines/bladerunner/script/ai/rajif.cpp:21: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/photographer.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/photographer.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/rachael.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/rachael.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/runciter.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/runciter.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/officer_grayford.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/officer_grayford.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/shoeshine_man.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/shoeshine_man.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/sebastian.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from engines/bladerunner/script/ai/sebastian.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/sergeant_walls.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/sergeant_walls.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/officer_leary.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/officer_leary.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/sadik.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/sadik.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/teenager.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/teenager.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/the_bard.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/the_bard.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/taffy.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/taffy.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/taffy_patron.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/taffy_patron.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/transient.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/transient.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/tyrell.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/tyrell.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/tyrell_guard.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/tyrell_guard.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/steele.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/ai_script.h:25, from engines/bladerunner/script/ai/steele.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/bb02.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/bb02.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/bb01.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/bb01.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/bb03.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/bb03.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/bb04.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/bb04.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ar02.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ar02.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ar01.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ar01.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/ai/zuben.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from engines/bladerunner/script/ai/zuben.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/bb05.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/bb05.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/bb06.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/bb06.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/bb07.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/bb07.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene_script.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene_script.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/bb08.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/bb08.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/bb09.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/bb09.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/bb10.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/bb10.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/bb11.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/bb11.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/bb12.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/bb12.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/bb51.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/bb51.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ct03.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ct03.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ct05.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ct05.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ct04.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ct04.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ct02.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ct02.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ct06.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ct06.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ct07.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ct07.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ct01.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ct01.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ct08.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ct08.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ct09.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ct09.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ct10.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ct10.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ct11.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ct11.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ct51.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ct51.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ct12.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ct12.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/dr02.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/dr02.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/dr03.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/dr03.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/dr01.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/dr01.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/dr05.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/dr05.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/dr06.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/dr06.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/hc02.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/hc02.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/hc03.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/hc03.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/hf02.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/hf02.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/dr04.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/dr04.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/hc04.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/hc04.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/hc01.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/hc01.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/hf03.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/hf03.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/hf04.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/hf04.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/hf01.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/hf01.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/hf07.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/hf07.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/hf06.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/hf06.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/kp01.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/kp01.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/kp02.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/kp02.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/hf05.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/hf05.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/kp04.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/kp04.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/kp03.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/kp03.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/kp06.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/kp06.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/kp07.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/kp07.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/kp05.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/kp05.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ma01.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ma01.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ma05.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ma05.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ma02.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ma02.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ma07.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ma07.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ma06.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ma06.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ma08.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ma08.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ma04.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/ambient_sounds.h:25, from engines/bladerunner/script/scene/ma04.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/nr02.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/nr02.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/nr01.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/nr01.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/nr03.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/nr03.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/nr06.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/nr06.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/nr09.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/nr09.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/nr04.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/nr04.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/nr05.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/nr05.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/nr08.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/nr08.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/nr10.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/nr10.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ps02.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ps02.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ps03.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ps03.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/nr11.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/nr11.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/nr07.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/nr07.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ps01.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ps01.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ps04.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ps04.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ps06.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ps06.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ps05.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ps05.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ps07.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ps07.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ps10.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ps10.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ps14.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ps14.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ps11.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ps11.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ps15.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ps15.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ps09.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ps09.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ps12.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ps12.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ps13.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ps13.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/rc51.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/rc51.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/rc03.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/rc03.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/rc04.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/rc04.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/rc01.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/rc01.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/rc02.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/rc02.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/tb02.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/tb02.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/tb03.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/tb03.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/tb05.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/tb05.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/tb06.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/tb06.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ug01.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ug01.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/tb07.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/tb07.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ug03.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ug03.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ug02.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ug02.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ug08.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ug08.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ug04.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ug04.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ug06.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ug06.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ug05.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ug05.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ug07.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ug07.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ug09.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ug09.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ug12.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ug12.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ug14.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ug14.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ug10.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ug10.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ug15.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ug15.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ug13.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ug13.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ug17.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ug17.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ug19.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ug19.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ug16.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ug16.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/settings.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/bladerunner/actor.h:29, from engines/bladerunner/settings.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/script/scene/ug18.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/script/script.h:25, from ./engines/bladerunner/script/scene_script.h:25, from engines/bladerunner/script/scene/ug18.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/set_effects.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/set_effects.h:25, from engines/bladerunner/set_effects.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/time.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from engines/bladerunner/time.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/ui/kia_section_base.o C++ engines/bladerunner/text_resource.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from engines/bladerunner/text_resource.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/suspects_database.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from engines/bladerunner/suspects_database.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/slice_animations.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/slice_animations.h:26, from engines/bladerunner/slice_animations.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/ui/end_credits.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/bladerunner/ui/end_credits.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/set.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/set.h:25, from engines/bladerunner/set.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/ui/kia_log.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from engines/bladerunner/ui/kia_log.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/ui/elevator.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/bladerunner/actor.h:29, from engines/bladerunner/ui/elevator.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/shape.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from engines/bladerunner/shape.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/ui/kia_section_diagnostic.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/bladerunner/color.h:25, from ./engines/bladerunner/ui/kia_section_diagnostic.h:25, from engines/bladerunner/ui/kia_section_diagnostic.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/ui/kia_section_help.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from engines/bladerunner/ui/kia_section_help.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/ui/kia_section_pogo.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/bladerunner/color.h:25, from ./engines/bladerunner/ui/kia_section_pogo.h:25, from engines/bladerunner/ui/kia_section_pogo.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/subtitles.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/subtitles.h:25, from engines/bladerunner/subtitles.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/slice_renderer.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/bladerunner/color.h:25, from ./engines/bladerunner/slice_renderer.h:25, from engines/bladerunner/slice_renderer.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/ui/kia_section_load.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/bladerunner/audio_player.h:26, from engines/bladerunner/ui/kia_section_load.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/ui/scores.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from engines/bladerunner/ui/scores.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/ui/kia_section_crimes.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/bladerunner/audio_player.h:26, from engines/bladerunner/ui/kia_section_crimes.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/ui/kia_section_clues.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/bladerunner/audio_player.h:26, from engines/bladerunner/ui/kia_section_clues.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/ui/ui_container.o C++ engines/bladerunner/ui/ui_check_box.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/bladerunner/ui/ui_check_box.h:27, from engines/bladerunner/ui/ui_check_box.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/ui/spinner.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/bladerunner/ui/spinner.h:26, from engines/bladerunner/ui/spinner.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/ui/kia_section_save.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/bladerunner/audio_player.h:26, from engines/bladerunner/ui/kia_section_save.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/ui/kia_section_settings.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/ui/kia_section_settings.h:25, from engines/bladerunner/ui/kia_section_settings.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/ui/ui_input_box.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/bladerunner/ui/ui_input_box.h:27, from engines/bladerunner/ui/ui_input_box.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/ui/kia.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/bladerunner/actor.h:29, from engines/bladerunner/ui/kia.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/ui/kia_section_suspects.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/bladerunner/audio_player.h:26, from engines/bladerunner/ui/kia_section_suspects.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/ui/ui_slider.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/bladerunner/color.h:25, from ./engines/bladerunner/ui/ui_slider.h:25, from engines/bladerunner/ui/ui_slider.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/ui/ui_image_picker.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/bladerunner/ui/ui_image_picker.h:26, from engines/bladerunner/ui/ui_image_picker.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/view.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/bladerunner/view.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/ui/ui_dropdown.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/bladerunner/color.h:25, from ./engines/bladerunner/ui/ui_dropdown.h:25, from engines/bladerunner/ui/ui_dropdown.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/waypoints.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/waypoints.h:25, from engines/bladerunner/waypoints.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/agent_evaluation.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/buried/window.h:25, from ./engines/buried/biochip_right.h:28, from engines/buried/agent_evaluation.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/zbuffer.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/bladerunner/archive.h:26, from ./engines/bladerunner/bladerunner.h:25, from ./engines/bladerunner/zbuffer.h:25, from engines/bladerunner/zbuffer.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/vqa_player.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/bladerunner/vqa_decoder.h:29, from ./engines/bladerunner/vqa_player.h:25, from engines/bladerunner/vqa_player.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/avi_frames.o In file included from ./engines/engine.h:30, from ./engines/buried/buried.h:31, from engines/buried/avi_frames.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/biochip_right.o In file included from ./engines/engine.h:30, from ./engines/buried/buried.h:31, from engines/buried/biochip_right.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/complete.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/buried/window.h:25, from ./engines/buried/biochip_right.h:28, from engines/buried/complete.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/ui/ui_scroll_box.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/bladerunner/color.h:25, from ./engines/bladerunner/ui/ui_scroll_box.h:25, from engines/bladerunner/ui/ui_scroll_box.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/credits.o In file included from ./engines/engine.h:30, from ./engines/buried/buried.h:31, from engines/buried/credits.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/console.o In file included from ./engines/engine.h:30, from ./engines/buried/buried.h:31, from engines/buried/console.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/ui/esper.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/bladerunner/ui/esper.h:26, from engines/bladerunner/ui/esper.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/gameui.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/buried/window.h:25, from ./engines/buried/biochip_right.h:28, from engines/buried/gameui.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/livetext.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/font.h:27, from engines/buried/livetext.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/death.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/buried/window.h:25, from ./engines/buried/biochip_right.h:28, from engines/buried/death.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/frame_window.o In file included from ./common/config-manager.h:27, from engines/buried/frame_window.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/ui/vk.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/bladerunner/actor.h:29, from engines/bladerunner/ui/vk.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/inventory_info.o In file included from ./engines/engine.h:30, from ./engines/buried/buried.h:31, from engines/buried/inventory_info.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/metaengine.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/buried/metaengine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/main_menu.o In file included from ./engines/engine.h:30, from ./engines/buried/buried.h:31, from engines/buried/main_menu.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/biochip_view.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/buried/window.h:25, from ./engines/buried/biochip_right.h:28, from engines/buried/biochip_view.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/navarrow.o In file included from ./engines/engine.h:30, from ./engines/buried/buried.h:31, from engines/buried/navarrow.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/overview.o In file included from ./engines/engine.h:30, from ./engines/buried/buried.h:31, from engines/buried/overview.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/title_sequence.o In file included from ./engines/engine.h:30, from ./engines/buried/buried.h:31, from engines/buried/title_sequence.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/bladerunner/vqa_decoder.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/bladerunner/vqa_decoder.h:29, from engines/bladerunner/vqa_decoder.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/demo/movie_scene.o In file included from ./engines/engine.h:30, from ./engines/buried/buried.h:31, from engines/buried/demo/movie_scene.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/video_window.o In file included from ./engines/engine.h:30, from ./engines/buried/buried.h:31, from engines/buried/video_window.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/demo/features.o In file included from ./engines/engine.h:30, from ./engines/buried/buried.h:31, from engines/buried/demo/features.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/buried.o In file included from ./common/config-manager.h:27, from engines/buried/buried.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/demo/demo_menu.o In file included from ./engines/engine.h:30, from ./engines/buried/buried.h:31, from engines/buried/demo/demo_menu.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/graphics.o In file included from ./common/config-manager.h:27, from engines/buried/graphics.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/buried/graphics.cpp:30: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/buried/inventory_window.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/buried/window.h:25, from ./engines/buried/biochip_right.h:28, from engines/buried/inventory_window.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/window.o In file included from ./engines/engine.h:30, from ./engines/buried/buried.h:31, from engines/buried/window.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/sound.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from engines/buried/sound.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/environ/scene_base.o In file included from ./engines/engine.h:30, from ./engines/buried/buried.h:31, from engines/buried/environ/scene_base.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/environ/scene_factory.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/buried/window.h:25, from ./engines/buried/biochip_right.h:28, from engines/buried/environ/scene_factory.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/environ/agent3_lair.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/buried/window.h:25, from ./engines/buried/biochip_right.h:28, from engines/buried/environ/agent3_lair.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cge/console.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/cge/console.h:25, from engines/cge/console.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cge/bitmap.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/cge/general.h:30, from ./engines/cge/bitmap.h:30, from engines/cge/bitmap.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/saveload.o In file included from ./common/config-manager.h:27, from engines/buried/saveload.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cge/cge.o In file included from ./common/config-manager.h:27, from engines/cge/cge.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/environ/alien.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/buried/window.h:25, from ./engines/buried/biochip_right.h:28, from engines/buried/environ/alien.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/environ/castle.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/buried/window.h:25, from ./engines/buried/biochip_right.h:28, from engines/buried/environ/castle.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cge/events.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./gui/saveload.h:26, from engines/cge/events.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cge/game.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/cge/vga13h.h:31, from ./engines/cge/game.h:30, from engines/cge/game.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cge/fileio.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/cge/fileio.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cge/sound.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/cge/general.h:30, from ./engines/cge/fileio.h:30, from ./engines/cge/sound.h:30, from engines/cge/sound.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cge/talk.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/cge/general.h:30, from engines/cge/talk.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cge/text.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/cge/general.h:30, from engines/cge/text.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cge/vmenu.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/cge/general.h:30, from ./engines/cge/talk.h:30, from ./engines/cge/vmenu.h:30, from engines/cge/vmenu.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cge/metaengine.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/cge/metaengine.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cge/cge_main.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/cge/vga13h.h:31, from engines/cge/cge_main.cpp:36: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/environ/future_apartment.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/buried/window.h:25, from ./engines/buried/biochip_right.h:28, from engines/buried/environ/future_apartment.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cge/walk.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/cge/walk.h:30, from engines/cge/walk.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cge2/cge2.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/cge2/cge2.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/environ/scene_common.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/buried/window.h:25, from ./engines/buried/biochip_right.h:28, from engines/buried/environ/scene_common.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/environ/da_vinci.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/buried/window.h:25, from ./engines/buried/biochip_right.h:28, from engines/buried/environ/da_vinci.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cge/snail.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/cge/general.h:30, from engines/cge/snail.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cge2/bitmap.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/cge2/general.h:30, from ./engines/cge2/bitmap.h:30, from engines/cge2/bitmap.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/scene_view.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/buried/window.h:25, from ./engines/buried/biochip_right.h:28, from engines/buried/scene_view.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cge2/sound.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/midiplayer.h:26, from ./engines/cge2/sound.h:30, from engines/cge2/sound.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cge2/text.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/cge2/general.h:30, from ./engines/cge2/talk.h:30, from ./engines/cge2/text.h:30, from engines/cge2/text.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/environ/mayan.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/buried/window.h:25, from ./engines/buried/biochip_right.h:28, from engines/buried/environ/mayan.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/buried/environ/ai_lab.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/buried/window.h:25, from ./engines/buried/biochip_right.h:28, from engines/buried/environ/ai_lab.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cge2/fileio.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/cge2/fileio.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cge/vga13h.o In file included from ./common/config-manager.h:27, from engines/cge/vga13h.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cge2/spare.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/cge2/vga13h.h:31, from ./engines/cge2/spare.h:30, from engines/cge2/spare.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cge2/map.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/cge2/vga13h.h:31, from ./engines/cge2/map.h:30, from engines/cge2/map.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cge2/talk.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/cge2/general.h:30, from engines/cge2/talk.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cge2/events.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./gui/saveload.h:26, from engines/cge2/events.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chamber/bkbuff.o In file included from ./engines/engine.h:30, from ./engines/chamber/chamber.h:27, from engines/chamber/bkbuff.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cge2/cge2_main.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/midiplayer.h:26, from engines/cge2/sound.h:30, from engines/cge2/cge2_main.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cge2/inventory.o In file included from ./engines/engine.h:30, from ./engines/cge2/cge2.h:33, from engines/cge2/inventory.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cge2/hero.o In file included from ./engines/engine.h:30, from ./engines/cge2/cge2.h:33, from ./engines/cge2/hero.h:29, from engines/cge2/hero.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cge2/console.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/cge2/console.h:25, from engines/cge2/console.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chamber/anim.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/chamber/anim.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cge2/vmenu.o In file included from ./common/config-manager.h:27, from engines/cge2/vmenu.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cge2/toolbar.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/midiplayer.h:26, from engines/cge2/sound.h:30, from engines/cge2/toolbar.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cge2/snail.o In file included from ./engines/engine.h:30, from ./engines/cge2/cge2.h:33, from ./engines/cge2/snail.h:30, from engines/cge2/snail.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chamber/cursor.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/chamber/cursor.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chamber/ifgm.o In file included from ./engines/engine.h:30, from ./engines/chamber/chamber.h:27, from engines/chamber/ifgm.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chamber/decompr.o In file included from ./engines/engine.h:30, from ./engines/chamber/chamber.h:27, from engines/chamber/decompr.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cge2/saveload.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/cge2/saveload.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cge2/vga13h.o In file included from ./common/config-manager.h:27, from engines/cge2/vga13h.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chamber/chamber.o In file included from ./common/config-manager.h:27, from engines/chamber/chamber.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cge2/metaengine.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/cge2/metaengine.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chamber/invent.o In file included from ./engines/engine.h:30, from ./engines/chamber/chamber.h:27, from engines/chamber/invent.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chamber/dialog.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/chamber/dialog.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chamber/menu.o In file included from ./engines/engine.h:30, from ./engines/chamber/chamber.h:27, from engines/chamber/menu.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chamber/kult.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/chamber/kult.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chamber/input.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from engines/chamber/input.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chamber/r_puzzl.o In file included from ./engines/engine.h:30, from ./engines/chamber/chamber.h:27, from engines/chamber/r_puzzl.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chamber/r_pers.o In file included from ./engines/engine.h:30, from ./engines/chamber/chamber.h:27, from engines/chamber/r_pers.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chamber/r_sprit.o In file included from ./engines/engine.h:30, from ./engines/chamber/chamber.h:27, from engines/chamber/r_sprit.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chamber/r_texts.o In file included from ./engines/engine.h:30, from ./engines/chamber/chamber.h:27, from engines/chamber/r_texts.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chamber/metaengine.o In file included from ./engines/engine.h:30, from ./engines/chamber/chamber.h:27, from engines/chamber/metaengine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chamber/print.o In file included from ./engines/engine.h:30, from ./engines/chamber/chamber.h:27, from engines/chamber/print.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chamber/portrait.o In file included from ./engines/engine.h:30, from ./engines/chamber/chamber.h:27, from engines/chamber/portrait.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chamber/savegame.o In file included from ./engines/engine.h:30, from ./engines/chamber/chamber.h:27, from engines/chamber/savegame.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chamber/sound.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from engines/chamber/sound.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chamber/resdata.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/chamber/resdata.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chamber/timer.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/chamber/timer.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chamber/cga.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/chamber/cga.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/barriers.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/chewy/barriers.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/font.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/chewy/font.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/cursor.o In file included from ./graphics/cursorman.h:26, from engines/chewy/cursor.cpp:22: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/cursorman.h:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/console.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/chewy/console.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/effect.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from engines/chewy/effect.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/chewy.o In file included from ./common/config-manager.h:27, from engines/chewy/chewy.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/globals.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from engines/chewy/globals.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/events.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/chewy/events.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/inits.o In file included from ./common/config-manager.h:27, from engines/chewy/inits.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chamber/room.o In file included from ./engines/engine.h:30, from ./engines/chamber/chamber.h:27, from engines/chamber/room.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/memory.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/chewy/ngstypes.h:25, from ./engines/chewy/memory.h:25, from engines/chewy/memory.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/detail.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/chewy/ngstypes.h:25, from ./engines/chewy/detail.h:27, from engines/chewy/detail.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/metaengine.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/chewy/metaengine.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/object_extra.o C++ engines/chewy/menus.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/menus.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/object.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from engines/chewy/object.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/atds.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/chewy/resource.h:26, from ./engines/chewy/atds.h:27, from engines/chewy/atds.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/mcga_graphics.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/chewy/mcga_graphics.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/movclass.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from engines/chewy/movclass.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/room.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from engines/chewy/room.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/r_event.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/chewy/r_event.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/main.o In file included from ./common/config-manager.h:27, from engines/chewy/main.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/audio/chewy_voc.o C++ engines/chewy/timer.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/chewy/timer.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/audio/tmf_stream.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mods/paula.h:27, from ./audio/mods/protracker.h:35, from ./engines/chewy/audio/tmf_stream.h:25, from engines/chewy/audio/tmf_stream.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/text.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/chewy/text.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/audio/module_tmf.o C++ engines/chewy/resource.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/chewy/resource.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chamber/script.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/chamber/script.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/sound.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from engines/chewy/sound.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/t_event.o In file included from ./engines/engine.h:30, from ./engines/chewy/chewy.h:33, from engines/chewy/t_event.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/dialogs/cinema.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/dialogs/cinema.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/sprite.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/chewy/events.h:25, from engines/chewy/sprite.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/types.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from engines/chewy/types.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/dialogs/credits.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/chewy/events.h:25, from engines/chewy/dialogs/credits.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/dialogs/main_menu.o In file included from ./common/config-manager.h:27, from engines/chewy/dialogs/main_menu.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/dialogs/files.o In file included from ./common/config-manager.h:27, from engines/chewy/dialogs/files.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/dialogs/options.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/chewy/ngstypes.h:25, from ./engines/chewy/dialogs/options.h:25, from engines/chewy/dialogs/options.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room02.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room02.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room01.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room01.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room04.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room04.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/video/video_player.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./video/video_decoder.h:25, from ./video/flic_decoder.h:25, from ./engines/chewy/video/cfo_decoder.h:26, from engines/chewy/video/video_player.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room03.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room03.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/video/cfo_decoder.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from engines/chewy/video/cfo_decoder.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/dialogs/inventory.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from ./engines/chewy/ngstypes.h:25, from ./engines/chewy/dialogs/inventory.h:25, from engines/chewy/dialogs/inventory.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room05.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/chewy/events.h:25, from engines/chewy/rooms/room05.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room06.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/chewy/events.h:25, from engines/chewy/rooms/room06.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room07.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room07.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room08.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room08.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room09.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/chewy/events.h:25, from engines/chewy/rooms/room09.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room00.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room00.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room10.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room10.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room14.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room14.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room12.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room12.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room11.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room11.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room13.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room13.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room16.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room16.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room19.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/chewy/events.h:25, from engines/chewy/rooms/room19.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room22.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room22.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room23.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room23.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room21.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room21.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room17.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room17.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room18.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room18.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room26.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/chewy/events.h:25, from engines/chewy/rooms/room26.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room24.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/chewy/events.h:25, from engines/chewy/rooms/room24.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room25.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/chewy/events.h:25, from engines/chewy/rooms/room25.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room27.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/chewy/events.h:25, from engines/chewy/rooms/room27.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room29.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room29.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room32.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room32.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room28.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room28.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room31.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room31.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room34.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room34.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room35.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room35.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room33.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room33.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room37.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room37.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room43.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/chewy/events.h:25, from engines/chewy/rooms/room43.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room44.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/chewy/events.h:25, from engines/chewy/rooms/room44.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room39.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room39.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room41.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room41.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room42.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room42.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room45.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room45.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room46.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room46.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room40.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room40.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room47.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room47.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room48.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/chewy/events.h:25, from engines/chewy/rooms/room48.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room53.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room53.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room49.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room49.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room50.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room50.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room52.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room52.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room51.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room51.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room58.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/chewy/events.h:25, from engines/chewy/rooms/room58.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room57.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room57.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room54.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room54.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room59.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/chewy/events.h:25, from engines/chewy/rooms/room59.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room55.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room55.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room56.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room56.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room62.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/chewy/events.h:25, from engines/chewy/rooms/room62.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room65.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/chewy/events.h:25, from engines/chewy/rooms/room65.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room63.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room63.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room64.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room64.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room66.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room66.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room67.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room67.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room70.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/chewy/events.h:25, from engines/chewy/rooms/room70.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room69.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room69.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room68.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room68.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room71.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room71.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room72.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/chewy/events.h:25, from engines/chewy/rooms/room72.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room74.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room74.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room73.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room73.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room75.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/chewy/events.h:25, from engines/chewy/rooms/room75.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room77.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room77.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room78.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/chewy/events.h:25, from engines/chewy/rooms/room78.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room76.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room76.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room79.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/chewy/events.h:25, from engines/chewy/rooms/room79.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room80.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/chewy/events.h:25, from engines/chewy/rooms/room80.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room81.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room81.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room83.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from engines/chewy/rooms/room83.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room82.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/chewy/events.h:25, from engines/chewy/rooms/room82.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room85.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room85.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room84.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room84.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room86.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room86.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room87.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room87.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room88.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room88.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room91.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/chewy/events.h:25, from engines/chewy/rooms/room91.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room89.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room89.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room93.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/chewy/events.h:25, from engines/chewy/rooms/room93.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room92.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/chewy/events.h:25, from engines/chewy/rooms/room92.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room90.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room90.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room96.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/chewy/events.h:25, from engines/chewy/rooms/room96.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room95.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room95.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/chewy/rooms/room94.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room94.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cine/bg.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/cine/cine.h:27, from engines/cine/bg.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/cine/gfx.h:27, from ./engines/cine/cine.h:44: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/cine/console.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/cine/console.h:25, from engines/cine/console.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/cine/gfx.h:27, from ./engines/cine/cine.h:44, from engines/cine/console.cpp:23: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/chewy/rooms/room97.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/chewy/globals.h:26, from ./engines/chewy/cursor.h:25, from engines/chewy/rooms/room97.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cine/bg_list.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/cine/cine.h:27, from engines/cine/bg_list.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/cine/gfx.h:27, from ./engines/cine/cine.h:44: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/cine/msg.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/cine/msg.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/cine/gfx.h:27, from ./engines/cine/cine.h:44, from ./engines/cine/various.h:29, from engines/cine/msg.cpp:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/cine/anim.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/cine/cine.h:27, from engines/cine/anim.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/cine/gfx.h:27, from ./engines/cine/cine.h:44: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/cine/rel.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/cine/cine.h:27, from engines/cine/rel.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/cine/gfx.h:27, from ./engines/cine/cine.h:44: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/cine/prc.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from engines/cine/prc.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/cine/gfx.h:27, from ./engines/cine/cine.h:44, from engines/cine/prc.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/cine/object.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/cine/cine.h:27, from engines/cine/object.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/cine/gfx.h:27, from ./engines/cine/cine.h:44: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/cine/main_loop.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from engines/cine/main_loop.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/cine/gfx.h:27, from ./engines/cine/cine.h:44, from ./engines/cine/various.h:29, from engines/cine/main_loop.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/cine/cine.o In file included from ./common/config-manager.h:27, from engines/cine/cine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/cine/cine.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/cine/unpack.o C++ engines/cine/texte.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/cine/texte.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/cine/gfx.h:27, from ./engines/cine/cine.h:44, from engines/cine/texte.cpp:25: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/cine/pal.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/cine/cine.h:27, from engines/cine/pal.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/cine/gfx.h:27, from ./engines/cine/cine.h:44: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/cine/script_os.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/cine/cine.h:27, from engines/cine/script_os.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/cine/gfx.h:27, from ./engines/cine/cine.h:44: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/cine/metaengine.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/cine/metaengine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/cine/gfx.h:27, from ./engines/cine/cine.h:44, from engines/cine/metaengine.cpp:31: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/composer/console.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/composer/composer.h:27, from engines/composer/console.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cine/part.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/cine/part.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/cine/gfx.h:27, from ./engines/cine/cine.h:44, from engines/cine/part.cpp:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/crab/collision.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/vectors.h:34, from ./engines/crab/Line.h:34, from ./engines/crab/Rectangle.h:34, from ./engines/crab/Polygon.h:34, from ./engines/crab/collision.h:34, from engines/crab/collision.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/filesystem.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/crab/filesystem.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/console.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/console.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/composer/metaengine.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/composer/metaengine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cine/sound.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/cine/sound.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/cine/gfx.h:27, from ./engines/cine/cine.h:44, from engines/cine/sound.cpp:31: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/crab/loaders.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/loaders.h:34, from engines/crab/loaders.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/GameParam.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/crab/GameParam.h:35, from engines/crab/GameParam.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/LoadingScreen.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from engines/crab/LoadingScreen.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cine/gfx.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/cine/cine.h:27, from engines/cine/gfx.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/cine/gfx.h:27, from ./engines/cine/cine.h:44: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/cine/script_fw.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/cine/cine.h:27, from engines/cine/script_fw.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/cine/gfx.h:27, from ./engines/cine/cine.h:44: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/composer/scripting.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/composer/composer.h:27, from engines/composer/scripting.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/metaengine.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./backends/keymapper/action.h:28, from engines/crab/metaengine.cpp:21: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/composer/graphics.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/composer/composer.h:27, from engines/composer/graphics.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/composer/composer.o In file included from ./common/config-manager.h:27, from engines/composer/composer.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/composer/composer.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/composer/resource.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/composer/resource.h:25, from engines/composer/resource.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cine/various.o In file included from ./common/config-manager.h:27, from engines/cine/various.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/cine/various.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/cine/saveload.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/cine/saveload.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/cine/gfx.h:27, from ./engines/cine/cine.h:44, from engines/cine/saveload.cpp:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/crab/PathfindingGraphNode.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/vectors.h:34, from ./engines/crab/Line.h:34, from ./engines/crab/Rectangle.h:34, from ./engines/crab/PathfindingGraphNode.h:34, from engines/crab/PathfindingGraphNode.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/app.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from engines/crab/app.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/composer/saveload.o In file included from ./common/config-manager.h:27, from engines/composer/saveload.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' engines/composer/saveload.cpp: In function 'void Composer::ComposerEngine::syncArray(Common::Serializer&, Common::Array&, Common::Serializer::Version, Common::Serializer::Version) [with T = short unsigned int]': engines/composer/saveload.cpp:50:27: warning: 'item' may be used uninitialized [-Wmaybe-uninitialized] 50 | T item; | ^~~~ engines/composer/saveload.cpp: In member function 'void Composer::ComposerEngine::sync(Common::Serializer&, T&, Common::Serializer::Version, Common::Serializer::Version) [with T = Composer::Pipe*]': engines/composer/saveload.cpp:69:27: warning: 'item' may be used uninitialized [-Wmaybe-uninitialized] 69 | T item; | ^~~~ C++ engines/crab/crab.o In file included from ./common/config-manager.h:27, from engines/crab/crab.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/crab/crab.cpp:25: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/crab/Shape.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/vectors.h:34, from ./engines/crab/Line.h:34, from ./engines/crab/Rectangle.h:34, from ./engines/crab/Polygon.h:34, from ./engines/crab/Shape.h:34, from engines/crab/Shape.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/TTSHandler.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/crab/TTSHandler.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ScreenSettings.o In file included from ./common/config-manager.h:27, from engines/crab/ScreenSettings.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/PathfindingGrid.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/vectors.h:34, from ./engines/crab/Line.h:34, from ./engines/crab/Rectangle.h:34, from ./engines/crab/PathfindingGraphNode.h:34, from ./engines/crab/PathfindingGrid.h:34, from engines/crab/PathfindingGrid.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/Polygon.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from engines/crab/Polygon.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/Rectangle.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from engines/crab/Rectangle.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/timer.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/crab/timer.cpp:35: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/splash.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from ./engines/crab/splash.h:38, from engines/crab/splash.cpp:37: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ai/moveeffect.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/vectors.h:34, from ./engines/crab/Line.h:34, from ./engines/crab/Rectangle.h:34, from ./engines/crab/image/Image.h:34, from ./engines/crab/image/ImageManager.h:38, from ./engines/crab/animation/imageeffect.h:34, from ./engines/crab/ai/moveeffect.h:34, from engines/crab/ai/moveeffect.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/PathfindingAgent.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/crab/PathfindingAgent.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ai/movement.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/vectors.h:34, from ./engines/crab/Line.h:34, from ./engines/crab/Rectangle.h:34, from ./engines/crab/ai/movement.h:34, from engines/crab/ai/movement.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/XMLDoc.o C++ engines/crab/ai/SpriteConstant.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/vectors.h:34, from ./engines/crab/ai/SpriteConstant.h:34, from engines/crab/ai/SpriteConstant.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/animation/animation.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from ./engines/crab/timer.h:38, from ./engines/crab/animation/animation.h:34, from engines/crab/animation/animation.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/animation/AnimationFrame.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/animation/AnimationFrame.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/animation/animframe.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/vectors.h:34, from ./engines/crab/Line.h:34, from ./engines/crab/Rectangle.h:34, from ./engines/crab/animation/animframe.h:34, from engines/crab/animation/animframe.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/animation/imageeffect.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/animation/imageeffect.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ai/spriteai.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/ai/spriteai.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/animation/animset.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from ./engines/crab/timer.h:38, from ./engines/crab/animation/fightmoves.h:34, from ./engines/crab/animation/animset.h:34, from engines/crab/animation/animset.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/animation/fightanim.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/vectors.h:34, from ./engines/crab/Line.h:34, from ./engines/crab/Rectangle.h:34, from ./engines/crab/image/Image.h:34, from ./engines/crab/image/ImageManager.h:38, from ./engines/crab/animation/imageeffect.h:34, from ./engines/crab/ai/moveeffect.h:34, from ./engines/crab/animation/fightanim.h:34, from engines/crab/animation/fightanim.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/animation/fightmove.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/vectors.h:34, from ./engines/crab/Line.h:34, from ./engines/crab/Rectangle.h:34, from ./engines/crab/image/Image.h:34, from ./engines/crab/image/ImageManager.h:38, from ./engines/crab/animation/imageeffect.h:34, from ./engines/crab/ai/moveeffect.h:34, from ./engines/crab/animation/fightanim.h:34, from ./engines/crab/animation/fightmove.h:34, from engines/crab/animation/fightmove.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/animation/walkframes.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from ./engines/crab/timer.h:38, from ./engines/crab/animation/walkframes.h:34, from engines/crab/animation/walkframes.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/animation/fightmoves.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from ./engines/crab/timer.h:38, from ./engines/crab/animation/fightmoves.h:34, from engines/crab/animation/fightmoves.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/animation/PopUp.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from ./engines/crab/timer.h:38, from ./engines/crab/animation/PopUp.h:34, from engines/crab/animation/PopUp.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/event/effect.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/event/effect.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/event/conversationdata.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/loaders.h:34, from ./engines/crab/event/changeval.h:35, from ./engines/crab/event/conversationdata.h:34, from engines/crab/event/conversationdata.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/event/quest.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/loaders.h:34, from ./engines/crab/event/quest.h:35, from engines/crab/event/quest.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/event/gameevent.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/loaders.h:34, from ./engines/crab/event/effect.h:34, from ./engines/crab/event/gameevent.h:34, from engines/crab/event/gameevent.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/event/trigger.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/vectors.h:34, from ./engines/crab/Line.h:34, from ./engines/crab/Rectangle.h:34, from ./engines/crab/image/Image.h:34, from ./engines/crab/image/ImageManager.h:38, from ./engines/crab/item/Item.h:34, from ./engines/crab/item/ItemSlot.h:34, from ./engines/crab/item/ItemMenu.h:34, from ./engines/crab/item/ItemCollection.h:34, from ./engines/crab/ui/Inventory.h:34, from ./engines/crab/event/GameEventInfo.h:35, from ./engines/crab/event/trigger.h:34, from engines/crab/event/trigger.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/event/EventSeqGroup.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/loaders.h:34, from ./engines/crab/event/effect.h:34, from ./engines/crab/event/gameevent.h:34, from ./engines/crab/event/EventSequence.h:34, from ./engines/crab/event/EventSeqGroup.h:34, from engines/crab/event/EventSeqGroup.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/image/Image.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/crab/image/Image.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/animation/sprite.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/vectors.h:34, from ./engines/crab/Line.h:34, from ./engines/crab/Rectangle.h:34, from ./engines/crab/Polygon.h:34, from ./engines/crab/collision.h:34, from ./engines/crab/animation/sprite.h:34, from engines/crab/animation/sprite.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/event/triggerset.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/vectors.h:34, from ./engines/crab/Line.h:34, from ./engines/crab/Rectangle.h:34, from ./engines/crab/image/Image.h:34, from ./engines/crab/image/ImageManager.h:38, from ./engines/crab/item/Item.h:34, from ./engines/crab/item/ItemSlot.h:34, from ./engines/crab/item/ItemMenu.h:34, from ./engines/crab/item/ItemCollection.h:34, from ./engines/crab/ui/Inventory.h:34, from ./engines/crab/event/GameEventInfo.h:35, from ./engines/crab/event/trigger.h:34, from ./engines/crab/event/triggerset.h:34, from engines/crab/event/triggerset.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/event/EventSequence.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/loaders.h:34, from ./engines/crab/event/effect.h:34, from ./engines/crab/event/gameevent.h:34, from ./engines/crab/event/EventSequence.h:34, from engines/crab/event/EventSequence.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/input/cursor.o In file included from ./graphics/cursorman.h:26, from engines/crab/input/cursor.cpp:35: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/cursorman.h:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/input/fightinput.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/input/fightinput.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/input/hotkey.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/input/hotkey.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/image/ImageManager.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/image/ImageManager.cpp:35: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/event/eventstore.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from ./engines/crab/timer.h:38, from ./engines/crab/animation/animation.h:34, from ./engines/crab/event/eventstore.h:34, from engines/crab/event/eventstore.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/mainmenu.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/vectors.h:34, from ./engines/crab/Line.h:34, from ./engines/crab/Rectangle.h:34, from ./engines/crab/image/Image.h:34, from ./engines/crab/image/ImageManager.h:38, from ./engines/crab/ui/AlphaImage.h:34, from ./engines/crab/mainmenu.h:34, from engines/crab/mainmenu.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/item/StatPreview.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/item/StatPreview.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/item/ItemSlot.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/item/ItemSlot.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/level/level_objects.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/level/level_objects.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/event/gameeventmanager.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/loaders.h:34, from ./engines/crab/event/effect.h:34, from ./engines/crab/event/gameevent.h:34, from ./engines/crab/event/EventSequence.h:34, from ./engines/crab/event/EventSeqGroup.h:34, from ./engines/crab/event/gameeventmanager.h:34, from engines/crab/event/gameeventmanager.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/item/Item.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/item/Item.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/input/input.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/crab/input/input.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/item/ItemCollection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/vectors.h:34, from ./engines/crab/Line.h:34, from ./engines/crab/Rectangle.h:34, from ./engines/crab/image/Image.h:34, from ./engines/crab/image/ImageManager.h:38, from ./engines/crab/item/Item.h:34, from ./engines/crab/item/ItemSlot.h:34, from ./engines/crab/item/ItemMenu.h:34, from ./engines/crab/item/ItemCollection.h:34, from engines/crab/item/ItemCollection.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/game.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from engines/crab/game.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/level/level_collide.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/crab/input/cursor.h:38, from engines/crab/level/level_collide.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/level/LevelExit.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/vectors.h:34, from ./engines/crab/Line.h:34, from ./engines/crab/Rectangle.h:34, from ./engines/crab/Polygon.h:34, from ./engines/crab/Shape.h:34, from ./engines/crab/level/LevelExit.h:34, from engines/crab/level/LevelExit.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/level/level_ai.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/vectors.h:34, from ./engines/crab/Line.h:34, from ./engines/crab/Rectangle.h:34, from ./engines/crab/PathfindingGraphNode.h:34, from ./engines/crab/PathfindingGrid.h:34, from ./engines/crab/level/level.h:35, from engines/crab/level/level_ai.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/event/GameEventInfo.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from ./engines/crab/timer.h:38, from ./engines/crab/animation/animation.h:34, from ./engines/crab/event/eventstore.h:34, from engines/crab/event/GameEventInfo.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/item/ItemMenu.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/vectors.h:34, from ./engines/crab/Line.h:34, from ./engines/crab/Rectangle.h:34, from ./engines/crab/image/Image.h:34, from ./engines/crab/image/ImageManager.h:38, from ./engines/crab/item/Item.h:34, from ./engines/crab/item/ItemSlot.h:34, from ./engines/crab/item/ItemMenu.h:34, from engines/crab/item/ItemMenu.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/people/personbase.o C++ engines/crab/level/MusicArea.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/vectors.h:34, from ./engines/crab/Line.h:34, from ./engines/crab/Rectangle.h:34, from ./engines/crab/Polygon.h:34, from ./engines/crab/Shape.h:34, from ./engines/crab/level/MusicArea.h:34, from engines/crab/level/MusicArea.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/level/level.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/crab/input/cursor.h:38, from engines/crab/level/level.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/level/level_draw.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from engines/crab/level/level_draw.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/stat/StatTemplate.o C++ engines/crab/level/Stairs.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/vectors.h:34, from ./engines/crab/Line.h:34, from ./engines/crab/Rectangle.h:34, from ./engines/crab/Polygon.h:34, from ./engines/crab/Shape.h:34, from ./engines/crab/level/Stairs.h:34, from engines/crab/level/Stairs.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/level/talknotify.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/vectors.h:34, from ./engines/crab/Line.h:34, from ./engines/crab/Rectangle.h:34, from ./engines/crab/Polygon.h:34, from ./engines/crab/collision.h:34, from ./engines/crab/animation/sprite.h:34, from ./engines/crab/level/talknotify.h:34, from engines/crab/level/talknotify.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/people/opinion.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/people/opinion.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/stat/StatDrawHelper.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/stat/StatDrawHelper.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/music/MusicManager.o In file included from ./common/config-manager.h:27, from engines/crab/music/MusicManager.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/people/trait.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/people/trait.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/text/color.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/loaders.h:34, from ./engines/crab/text/color.h:35, from engines/crab/text/color.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/stat/Stat.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/stat/Stat.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/TMX/TMXLayer.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/vectors.h:34, from ./engines/crab/Line.h:34, from ./engines/crab/Rectangle.h:34, from ./engines/crab/TMX/TMXLayer.h:34, from engines/crab/TMX/TMXLayer.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/Caption.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/vectors.h:34, from ./engines/crab/text/TextManager.h:34, from ./engines/crab/ui/TextData.h:34, from ./engines/crab/ui/Caption.h:34, from engines/crab/ui/Caption.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/people/person.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/people/person.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/TMX/TMXTileSet.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from engines/crab/TMX/TMXTileSet.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/AlphaImage.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/ui/AlphaImage.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/ClipButton.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/ui/ClipButton.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/text/TextManager.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/crab/text/TextManager.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/ChapterIntro.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/vectors.h:34, from ./engines/crab/Line.h:34, from ./engines/crab/Rectangle.h:34, from ./engines/crab/Polygon.h:34, from ./engines/crab/collision.h:34, from ./engines/crab/animation/sprite.h:34, from engines/crab/ui/ChapterIntro.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/element.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/ui/element.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/button.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/ui/button.cpp:35: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/dialogbox.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/ui/dialogbox.cpp:35: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/emotion.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from ./engines/crab/timer.h:38, from ./engines/crab/animation/animation.h:34, from ./engines/crab/event/eventstore.h:34, from ./engines/crab/ui/emotion.h:34, from engines/crab/ui/emotion.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/HoverInfo.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/vectors.h:34, from ./engines/crab/text/TextManager.h:34, from ./engines/crab/ui/TextData.h:34, from ./engines/crab/ui/HoverInfo.h:34, from engines/crab/ui/HoverInfo.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/level/level_load.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/vectors.h:34, from ./engines/crab/Line.h:34, from ./engines/crab/Rectangle.h:34, from ./engines/crab/PathfindingGraphNode.h:34, from ./engines/crab/PathfindingGrid.h:34, from ./engines/crab/level/level.h:35, from engines/crab/level/level_load.cpp:33: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/HealthIndicator.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/ui/HealthIndicator.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/CreditScreen.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/crab/GameParam.h:35, from ./engines/crab/ui/button.h:38, from ./engines/crab/ui/CreditScreen.h:34, from engines/crab/ui/CreditScreen.cpp:33: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/ImageData.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/ui/ImageData.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/GfxSettingMenu.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/ui/GfxSettingMenu.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/FileData.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/ui/FileData.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/GameOverMenu.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/vectors.h:34, from ./engines/crab/Line.h:34, from ./engines/crab/Rectangle.h:34, from ./engines/crab/image/Image.h:34, from ./engines/crab/image/ImageManager.h:38, from ./engines/crab/ui/element.h:34, from ./engines/crab/ui/ImageData.h:34, from ./engines/crab/ui/GameOverMenu.h:34, from engines/crab/ui/GameOverMenu.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/DevConsole.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/vectors.h:34, from ./engines/crab/Line.h:34, from ./engines/crab/Rectangle.h:34, from ./engines/crab/image/Image.h:34, from ./engines/crab/image/ImageManager.h:38, from ./engines/crab/item/Item.h:34, from ./engines/crab/item/ItemSlot.h:34, from ./engines/crab/item/ItemMenu.h:34, from ./engines/crab/item/ItemCollection.h:34, from ./engines/crab/ui/Inventory.h:34, from ./engines/crab/event/GameEventInfo.h:35, from ./engines/crab/ui/DevConsole.h:34, from engines/crab/ui/DevConsole.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/Inventory.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/vectors.h:34, from ./engines/crab/Line.h:34, from ./engines/crab/Rectangle.h:34, from ./engines/crab/image/Image.h:34, from ./engines/crab/image/ImageManager.h:38, from ./engines/crab/item/Item.h:34, from ./engines/crab/item/ItemSlot.h:34, from ./engines/crab/item/ItemMenu.h:34, from ./engines/crab/item/ItemCollection.h:34, from ./engines/crab/ui/Inventory.h:34, from engines/crab/ui/Inventory.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/GeneralSettingMenu.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/ui/GeneralSettingMenu.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/MapData.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/ui/MapData.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/MapMarkerMenu.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from ./engines/crab/ui/menu.h:38, from ./engines/crab/ui/MapMarkerMenu.h:34, from engines/crab/ui/MapMarkerMenu.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/OptionSelect.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/crab/GameParam.h:35, from ./engines/crab/ui/button.h:38, from ./engines/crab/ui/OptionSelect.h:34, from engines/crab/ui/OptionSelect.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/ParagraphData.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/ui/ParagraphData.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/hud.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/crab/input/cursor.h:38, from engines/crab/ui/hud.cpp:36: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/KeyBindMenu.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/ui/KeyBindMenu.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' engines/crab/ui/KeyBindMenu.cpp: In member function 'void Crab::pyrodactyl::ui::KeyBindMenu::initMenu(const int&)': engines/crab/ui/KeyBindMenu.cpp:97:19: warning: array subscript [0, 1] is outside array bounds of 'Crab::pyrodactyl::ui::ButtonMenu [2]' {aka 'Crab::pyrodactyl::ui::Menu [2]'} [-Warray-bounds=] 97 | _menu[type]._element.resize(size); | ~~~~~~~~~~^ In file included from engines/crab/ui/KeyBindMenu.cpp:32: ./engines/crab/ui/KeyBindMenu.h:74:20: note: while referencing 'Crab::pyrodactyl::ui::KeyBindMenu::_menu' 74 | ButtonMenu _menu[CON_TOTAL]; | ^~~~~ C++ engines/crab/ui/PauseMenu.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/vectors.h:34, from ./engines/crab/Line.h:34, from ./engines/crab/Rectangle.h:34, from ./engines/crab/image/Image.h:34, from ./engines/crab/image/ImageManager.h:38, from ./engines/crab/item/Item.h:34, from ./engines/crab/item/ItemSlot.h:34, from ./engines/crab/item/ItemMenu.h:34, from ./engines/crab/item/ItemCollection.h:34, from ./engines/crab/ui/Inventory.h:34, from ./engines/crab/event/GameEventInfo.h:35, from ./engines/crab/ui/PauseMenu.h:34, from engines/crab/ui/PauseMenu.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/ProgressBar.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from ./engines/crab/timer.h:38, from ./engines/crab/ui/ProgressBar.h:34, from engines/crab/ui/ProgressBar.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/PersonHandler.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/vectors.h:34, from ./engines/crab/Line.h:34, from ./engines/crab/Rectangle.h:34, from ./engines/crab/Polygon.h:34, from ./engines/crab/collision.h:34, from ./engines/crab/animation/sprite.h:34, from engines/crab/ui/PersonHandler.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/PersonScreen.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/loaders.h:34, from ./engines/crab/event/effect.h:34, from ./engines/crab/event/gameevent.h:34, from ./engines/crab/ui/PersonScreen.h:34, from engines/crab/ui/PersonScreen.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/OptionMenu.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/ui/OptionMenu.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/TMX/TMXMap.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/vectors.h:34, from ./engines/crab/Line.h:34, from ./engines/crab/Rectangle.h:34, from ./engines/crab/image/Image.h:34, from ./engines/crab/image/ImageManager.h:38, from engines/crab/TMX/TMXMap.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/ReplyButton.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/font.h:27, from engines/crab/ui/ReplyButton.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/QuestText.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/ui/QuestText.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/SectionHeader.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from engines/crab/ui/SectionHeader.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/ModMenu.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from ./engines/crab/ui/FileMenu.h:35, from ./engines/crab/ui/ModMenu.h:34, from engines/crab/ui/ModMenu.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/journal.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/ui/journal.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/textdata.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/ui/textdata.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/StateButton.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/ui/StateButton.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/textarea.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/ui/textarea.cpp:35: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/SlideShow.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/vectors.h:34, from ./engines/crab/Line.h:34, from ./engines/crab/Rectangle.h:34, from ./engines/crab/image/Image.h:34, from ./engines/crab/ui/SlideShow.h:34, from engines/crab/ui/SlideShow.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/ToggleButton.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/ui/ToggleButton.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/ResolutionMenu.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/ui/ResolutionMenu.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/slider.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./graphics/screen.h:25, from engines/crab/ui/slider.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/ReplyMenu.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/crab/loaders.h:34, from ./engines/crab/event/changeval.h:35, from ./engines/crab/event/conversationdata.h:34, from ./engines/crab/ui/ReplyMenu.h:34, from engines/crab/ui/ReplyMenu.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/TraitButton.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/ui/TraitButton.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cruise/background.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/cruise/ctp.h:25, from ./engines/cruise/cruise_main.h:30, from engines/cruise/background.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cruise/backgroundIncrust.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/cruise/ctp.h:25, from ./engines/cruise/cruise_main.h:30, from engines/cruise/backgroundIncrust.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cruise/actor.o In file included from ./engines/engine.h:30, from ./engines/cruise/cruise.h:29, from engines/cruise/actor.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cruise/cell.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/cruise/ctp.h:25, from ./engines/cruise/cruise_main.h:30, from engines/cruise/cell.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cruise/decompiler.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/cruise/ctp.h:25, from ./engines/cruise/cruise_main.h:30, from engines/cruise/decompiler.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cruise/delphine-unpack.o C++ engines/cruise/debugger.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/cruise/debugger.h:25, from engines/cruise/debugger.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/map.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/ui/map.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/questmenu.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/ui/questmenu.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cruise/cruise.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/cruise/cruise.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/cruise/cruise.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/crab/ui/TraitMenu.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from engines/crab/ui/TraitMenu.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cruise/font.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/cruise/font.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/crab/ui/SaveGameMenu.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/crab/detection.h:25, from ./engines/crab/crab.h:28, from ./engines/crab/ui/FileMenu.h:35, from ./engines/crab/ui/SaveGameMenu.h:34, from engines/crab/ui/SaveGameMenu.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cruise/dataLoader.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/cruise/ctp.h:25, from ./engines/cruise/cruise_main.h:30, from engines/cruise/dataLoader.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cruise/linker.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/cruise/ctp.h:25, from ./engines/cruise/cruise_main.h:30, from engines/cruise/linker.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cruise/ctp.o In file included from ./engines/engine.h:30, from ./engines/cruise/cruise.h:29, from engines/cruise/ctp.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cruise/menu.o In file included from ./engines/engine.h:30, from ./engines/cruise/cruise.h:29, from engines/cruise/menu.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cruise/gfxModule.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/cruise/gfxModule.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cruise/object.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/cruise/ctp.h:25, from ./engines/cruise/cruise_main.h:30, from engines/cruise/object.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cruise/mouse.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/cruise/ctp.h:25, from ./engines/cruise/cruise_main.h:30, from engines/cruise/mouse.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/cruise/mouse.cpp:26: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/cruise/perso.o In file included from ./engines/engine.h:30, from ./engines/cruise/cruise.h:29, from engines/cruise/perso.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cruise/polys.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/cruise/ctp.h:25, from ./engines/cruise/cruise_main.h:30, from engines/cruise/polys.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cruise/metaengine.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/cruise/metaengine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cruise/stack.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/cruise/ctp.h:25, from ./engines/cruise/cruise_main.h:30, from engines/cruise/stack.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cruise/cruise_main.o In file included from ./common/config-manager.h:27, from engines/cruise/cruise_main.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cruise/staticres.o In file included from ./engines/engine.h:30, from ./engines/cruise/cruise.h:29, from ./engines/cruise/staticres.h:26, from engines/cruise/staticres.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cruise/function.o In file included from ./engines/engine.h:30, from ./engines/cruise/cruise.h:29, from engines/cruise/function.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cruise/various.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/cruise/ctp.h:25, from ./engines/cruise/cruise_main.h:30, from engines/cruise/various.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cruise/script.o In file included from ./engines/engine.h:30, from ./engines/cruise/cruise.h:29, from engines/cruise/script.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cruise/overlay.o In file included from ./engines/engine.h:30, from ./engines/cruise/cruise.h:29, from engines/cruise/overlay.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cruise/vars.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/cruise/ctp.h:25, from ./engines/cruise/cruise_main.h:30, from engines/cruise/vars.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cruise/mainDraw.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/cruise/ctp.h:25, from ./engines/cruise/cruise_main.h:30, from engines/cruise/mainDraw.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cryo/cryo.o In file included from ./common/config-manager.h:27, from engines/cryo/cryo.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cruise/volume.o In file included from ./engines/engine.h:30, from ./engines/cruise/cruise.h:29, from engines/cruise/volume.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cryo/sound.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/cryo/sound.h:25, from engines/cryo/sound.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cryo/debugger.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/cryo/debugger.h:26, from engines/cryo/debugger.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cryomni3d/image/hnm.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./common/substream.h:25, from engines/cryomni3d/image/hnm.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cryo/metaengine.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/cryo/metaengine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cryo/cryolib.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/cryo/cryolib.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cryomni3d/fonts/cryofont.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/cryomni3d/fonts/cryofont.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cryomni3d/image/hlz.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./common/substream.h:25, from engines/cryomni3d/image/hlz.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cruise/sound.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/cruise/sound.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cryomni3d/fonts/cryoextfont.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/cryomni3d/fonts/cryoextfont.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cryo/resource.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/cryo/cryolib.h:25, from ./engines/cryo/defs.h:22, from engines/cryo/resource.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cryomni3d/objects.o C++ engines/cryomni3d/datstream.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./common/substream.h:25, from ./engines/cryomni3d/datstream.h:29, from engines/cryomni3d/datstream.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cryomni3d/mouse_boxes.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from engines/cryomni3d/mouse_boxes.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cryomni3d/omni3d.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from engines/cryomni3d/omni3d.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cryomni3d/fixed_image.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/cryomni3d/cryomni3d.h:25, from ./engines/cryomni3d/fixed_image.h:27, from engines/cryomni3d/fixed_image.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/cryomni3d/cryomni3d.h:35: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/cryomni3d/metaengine.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/cryomni3d/metaengine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/cryomni3d/cryomni3d.h:35, from engines/cryomni3d/metaengine.cpp:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/cryomni3d/sprites.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/cryomni3d/sprites.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cryomni3d/cryomni3d.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/cryomni3d/cryomni3d.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/cryomni3d/cryomni3d.h:35, from engines/cryomni3d/cryomni3d.cpp:36: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/cryo/eden_graphics.o In file included from ./common/config-manager.h:27, from ./engines/cryo/cryo.h:26, from engines/cryo/eden_graphics.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cryomni3d/dialogs_manager.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/cryomni3d/dialogs_manager.h:28, from engines/cryomni3d/dialogs_manager.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cryomni3d/font_manager.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/cryomni3d/font_manager.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cryomni3d/versailles/dialogs_manager.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/cryomni3d/versailles/dialogs_manager.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/cryomni3d/cryomni3d.h:35, from ./engines/cryomni3d/versailles/engine.h:32, from engines/cryomni3d/versailles/dialogs_manager.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/cryomni3d/versailles/dialogs.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/cryomni3d/versailles/engine.h:25, from engines/cryomni3d/versailles/dialogs.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/cryomni3d/cryomni3d.h:35, from ./engines/cryomni3d/versailles/engine.h:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/cryomni3d/versailles/music.o In file included from ./common/config-manager.h:27, from engines/cryomni3d/versailles/music.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/cryomni3d/cryomni3d.h:35, from ./engines/cryomni3d/versailles/engine.h:32, from engines/cryomni3d/versailles/music.cpp:30: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/cryomni3d/wam_parser.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/cryomni3d/wam_parser.h:26, from engines/cryomni3d/wam_parser.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cruise/saveload.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/cruise/ctp.h:25, from ./engines/cruise/cruise_main.h:30, from engines/cruise/saveload.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/cryomni3d/versailles/toolbar.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/cryomni3d/versailles/toolbar.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/cryomni3d/cryomni3d.h:35, from engines/cryomni3d/versailles/toolbar.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/cryomni3d/versailles/saveload.o In file included from ./common/archive.h:31, from engines/cryomni3d/versailles/saveload.cpp:21: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/cryomni3d/cryomni3d.h:35, from ./engines/cryomni3d/versailles/engine.h:32, from engines/cryomni3d/versailles/saveload.cpp:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/cursor.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/cursor.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/cryomni3d/versailles/menus.o In file included from ./common/config-manager.h:27, from engines/cryomni3d/versailles/menus.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/cryomni3d/cryomni3d.h:35, from ./engines/cryomni3d/versailles/engine.h:32, from engines/cryomni3d/versailles/menus.cpp:34: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/channel.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/channel.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/events.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/director/events.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from engines/director/events.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/director.o In file included from ./common/config-manager.h:27, from engines/director/director.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from engines/director/director.cpp:26: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/fonts.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./common/substream.h:25, from engines/director/fonts.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from engines/director/fonts.cpp:25: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/picture.o C++ engines/director/metaengine.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/director/metaengine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/metaengine.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/game-quirks.o In file included from ./common/archive.h:31, from ./common/compression/vise.h:28, from engines/director/game-quirks.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/game-quirks.cpp:26: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/cryomni3d/versailles/engine.o In file included from ./common/config-manager.h:27, from engines/cryomni3d/versailles/engine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/cryomni3d/cryomni3d.h:35, from ./engines/cryomni3d/fixed_image.h:27, from engines/cryomni3d/versailles/engine.cpp:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/frame.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./common/substream.h:25, from engines/director/frame.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/frame.cpp:25: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/cryomni3d/versailles/data.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./common/substream.h:25, from ./engines/cryomni3d/datstream.h:29, from engines/cryomni3d/versailles/data.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/cryomni3d/cryomni3d.h:35, from ./engines/cryomni3d/versailles/engine.h:32, from engines/cryomni3d/versailles/data.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/images.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./common/substream.h:25, from engines/director/images.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from engines/director/images.cpp:23: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/types.o C++ engines/cryomni3d/versailles/documentation.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/cryomni3d/versailles/documentation.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/cryomni3d/cryomni3d.h:35, from ./engines/cryomni3d/versailles/engine.h:32, from engines/cryomni3d/versailles/documentation.cpp:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/graphics.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/director/graphics.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from engines/director/graphics.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/stxt.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./common/substream.h:25, from engines/director/stxt.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/stxt.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/sprite.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./graphics/macgui/macwidget.h:26, from engines/director/sprite.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/sprite.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/debugger.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/debugger.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/movie.o In file included from ./common/config-manager.h:27, from engines/director/movie.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from engines/director/movie.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/tests.o In file included from ./common/config-manager.h:27, from engines/director/tests.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from engines/director/tests.cpp:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/sound.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/director/sound.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/sound.cpp:36: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/resource.o In file included from ./common/config-manager.h:27, from engines/director/resource.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/resource.cpp:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/cast.o In file included from ./common/config-manager.h:27, from engines/director/cast.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from engines/director/cast.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/castmember/castmember.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from engines/director/castmember/castmember.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/castmember/castmember.cpp:23: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/archive.o In file included from ./common/config-manager.h:27, from engines/director/archive.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/archive.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/castmember/movie.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/castmember/movie.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/castmember/digitalvideo.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./graphics/macgui/macwidget.h:26, from engines/director/castmember/digitalvideo.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/castmember/digitalvideo.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/util.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/director/util.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from engines/director/util.cpp:31: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/castmember/palette.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/castmember/palette.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/window.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/director/window.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from engines/director/window.cpp:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/score.o In file included from ./common/config-manager.h:27, from engines/director/score.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./graphics/macgui/mactext-canvas.h:25, from ./graphics/macgui/mactext.h:25, from engines/director/score.cpp:33: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/transitions.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/director/transitions.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from engines/director/transitions.cpp:25: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' engines/director/transitions.cpp: In member function 'void Director::Window::playTransition(uint, uint16, uint8, uint8, Director::TransitionType, Director::CastMemberID)': engines/director/transitions.cpp:543:114: warning: array subscript [0, 52] is outside array bounds of 'const Director:: [53]' [-Warray-bounds=] 543 | warning("Window::playTransition(): Unhandled transition type %s %d %d", transProps[t.type].name, t.duration, t.chunkSize); | ~~~~~~~~~~~~~~~~~^ engines/director/transitions.cpp:79:16: note: while referencing 'Director::transProps' 79 | } static const transProps[] = { | ^~~~~~~~~~ C++ engines/cryo/eden.o In file included from ./common/config-manager.h:27, from engines/cryo/eden.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/director/castmember/bitmap.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/macresman.h:28, from engines/director/castmember/bitmap.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/castmember/bitmap.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/castmember/script.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/castmember/script.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/castmember/sound.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/castmember/sound.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/castmember/shape.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/castmember/shape.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/castmember/transition.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/castmember/transition.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/castmember/filmloop.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./graphics/macgui/macwidget.h:26, from engines/director/castmember/filmloop.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/castmember/filmloop.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/cryomni3d/versailles/logic.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from engines/cryomni3d/versailles/logic.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from ./engines/cryomni3d/cryomni3d.h:35, from ./engines/cryomni3d/fixed_image.h:27, from engines/cryomni3d/versailles/logic.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/lingo-funcs.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/director/lingo/lingo-funcs.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from engines/director/lingo/lingo-funcs.cpp:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/lingo-patcher.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/lingo-patcher.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/lingo-events.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/lingo-events.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/castmember/text.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from engines/director/castmember/text.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./graphics/macgui/mactext-canvas.h:25, from ./graphics/macgui/mactext.h:25, from ./graphics/macgui/macbutton.h:25, from engines/director/castmember/text.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/lingo-mci.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/director/lingo/lingo-mci.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/lingo/lingo-mci.cpp:34: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/lingo-utils.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/lingo-utils.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/lingo-lex.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/lingo-lex.l:45: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/lingo-preprocessor.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/director/lingo/lingo-preprocessor.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/lingo/lingo-preprocessor.cpp:23: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/aiff.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/macresman.h:28, from engines/director/lingo/xlibs/aiff.cpp:48: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/aiff.cpp:50: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/barakeobj.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/barakeobj.cpp:37: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/applecdxobj.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./backends/audiocd/audiocd.h:25, from engines/director/lingo/xlibs/applecdxobj.cpp:89: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/applecdxobj.cpp:92: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/blitpict.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/director/lingo/xlibs/blitpict.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/blitpict.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/batqt.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/batqt.cpp:56: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/askuser.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/director/lingo/xlibs/askuser.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/askuser.cpp:26: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/colorxobj.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/colorxobj.cpp:53: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/cdromxobj.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./backends/audiocd/audiocd.h:25, from engines/director/lingo/xlibs/cdromxobj.cpp:165: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/cdromxobj.cpp:166: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/darkenscreen.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/darkenscreen.cpp:33: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/lingo-object.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./graphics/macgui/mactext-canvas.h:25, from ./graphics/macgui/mactext.h:25, from engines/director/lingo/lingo-object.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/developerStack.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from engines/director/lingo/xlibs/developerStack.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/developerStack.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/consumer.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/director/lingo/xlibs/consumer.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/consumer.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/lingo-the.o In file included from ./common/config-manager.h:27, from engines/director/lingo/lingo-the.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./graphics/macgui/mactext-canvas.h:25, from ./graphics/macgui/mactext.h:25, from ./graphics/macgui/macbutton.h:25, from engines/director/lingo/lingo-the.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/dirutil.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/director/lingo/xlibs/dirutil.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/dirutil.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/dpwavi.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/dpwavi.cpp:39: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/dpwqtw.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/dpwqtw.cpp:39: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/dialogsxobj.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./gui/object.h:27, from ./gui/dialog.h:29, from ./gui/filebrowser-dialog.h:25, from engines/director/lingo/xlibs/dialogsxobj.cpp:46: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/dialogsxobj.cpp:48: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/lingo.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/director/lingo/lingo.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from engines/director/lingo/lingo.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' engines/director/lingo/lingo.cpp: In member function 'Common::String Director::Lingo::decodeInstruction(Director::ScriptData*, uint, uint*)': engines/director/lingo/lingo.cpp:489:53: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 489 | double d = *(double *)(&i); | ^~~~~~~~~~~~~~ C++ engines/director/lingo/lingo-code.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from engines/director/lingo/lingo-code.cpp:45: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/draw.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/draw.cpp:83: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/lingo-bytecode.o In file included from ./common/config-manager.h:27, from engines/director/lingo/lingo-bytecode.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/lingo/lingo-bytecode.cpp:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/lingo-gr.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from engines/director/lingo/lingo-gr.y:66: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/lingo/lingo-gr.y:68: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/fedracul.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/fedracul.cpp:47: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/feimasks.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/feimasks.cpp:38: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/fileexists.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/director/lingo/xlibs/fileexists.cpp:34: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/fileexists.cpp:37: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/findfolder.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/findfolder.cpp:85: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/eventq.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/eventq.cpp:43: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/lingo-codegen.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/lingo-codegen.cpp:47: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/ednox.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/ednox.cpp:58: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/fplayxobj.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/fplayxobj.cpp:33: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/iscd.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/iscd.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/ispippin.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/ispippin.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/feiprefs.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/feiprefs.cpp:42: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/findsys.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/findsys.cpp:42: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/flushxobj.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/flushxobj.cpp:36: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/hitmap.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/hitmap.cpp:43: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/gpid.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/gpid.cpp:46: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/lingo-builtins.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/director/lingo/lingo-builtins.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from engines/director/lingo/lingo-builtins.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/jwxini.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/jwxini.cpp:43: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/fileio.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./gui/object.h:27, from ./gui/dialog.h:29, from ./gui/filebrowser-dialog.h:25, from engines/director/lingo/xlibs/fileio.cpp:90: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/fileio.cpp:96: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/labeldrvxobj.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/labeldrvxobj.cpp:38: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/jitdraw3.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/director/lingo/xlibs/jitdraw3.cpp:58: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/jitdraw3.cpp:65: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/maniacbg.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/director/lingo/xlibs/maniacbg.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/maniacbg.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/memoryxobj.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/memoryxobj.cpp:60: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/miscx.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/miscx.cpp:64: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/porta.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/porta.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/moovxobj.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./video/video_decoder.h:25, from ./video/qt_decoder.h:36, from engines/director/lingo/xlibs/moovxobj.cpp:48: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/moovxobj.cpp:50: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/movutils.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/movutils.cpp:95: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/palxobj.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/palxobj.cpp:48: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/misc.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/misc.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/movemousexobj.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/director/lingo/xlibs/movemousexobj.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/movemousexobj.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/qtmovie.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/qtmovie.cpp:33: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/popupmenuxobj.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/popupmenuxobj.cpp:104: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/prefpath.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/prefpath.cpp:35: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/orthoplayxobj.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/orthoplayxobj.cpp:41: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/registercomponent.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/registercomponent.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/unittest.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/unittest.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/printomatic.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/printomatic.cpp:106: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/quicktime.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/quicktime.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/serialportxobj.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/serialportxobj.cpp:38: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/volumelist.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/volumelist.cpp:34: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/qtvr.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/qtvr.cpp:55: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/stagetc.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/stagetc.cpp:35: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/soundjam.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/soundjam.cpp:46: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/xplayanim.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./video/paco_decoder.h:27, from engines/director/lingo/xlibs/xplayanim.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/xplayanim.cpp:31: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/valkyrie.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/valkyrie.cpp:41: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/widgetxobj.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/widgetxobj.cpp:39: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/videodiscxobj.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/videodiscxobj.cpp:110: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/wininfo.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/director/lingo/xlibs/wininfo.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/wininfo.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/xio.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/xio.cpp:39: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/yasix.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/yasix.cpp:33: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/winxobj.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./graphics/macgui/macwindowmanager.h:27, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/winxobj.cpp:39: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/dm/dmglobals.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/dm/dmglobals.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dm/dialog.o In file included from ./engines/engine.h:30, from ./engines/dm/dm.h:30, from ./engines/dm/dialog.h:30, from engines/dm/dialog.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dm/console.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/dm/console.h:30, from engines/dm/console.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dm/lzw.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/dm/lzw.h:30, from engines/dm/lzw.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dm/loadsave.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/dm/loadsave.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dm/objectman.o In file included from ./engines/engine.h:30, from ./engines/dm/dm.h:30, from ./engines/dm/objectman.h:30, from engines/dm/objectman.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dm/metaengine.o In file included from ./common/config-manager.h:27, from engines/dm/metaengine.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dm/dm.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/dm/dm.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/dm/dm.cpp:46: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/director/lingo/xlibs/spacemgr.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/director/lingo/xlibs/spacemgr.cpp:74: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/macgui/macwindowmanager.h:28, from ./engines/director/director.h:27, from engines/director/lingo/xlibs/spacemgr.cpp:77: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/dm/text.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/dm/text.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dm/inventory.o In file included from ./engines/engine.h:30, from ./engines/dm/dm.h:30, from ./engines/dm/inventory.h:30, from engines/dm/inventory.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dm/sounds.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from engines/dm/sounds.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dm/projexpl.o In file included from ./engines/engine.h:30, from ./engines/dm/dm.h:30, from ./engines/dm/projexpl.h:30, from engines/dm/projexpl.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/draci/console.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/draci/console.h:25, from engines/draci/console.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dm/menus.o In file included from ./engines/engine.h:30, from ./engines/dm/dm.h:30, from ./engines/dm/menus.h:30, from engines/dm/menus.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dm/movesens.o In file included from ./engines/engine.h:30, from ./engines/dm/dm.h:30, from ./engines/dm/movesens.h:30, from engines/dm/movesens.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/draci/barchive.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/draci/barchive.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/draci/mouse.o In file included from ./engines/engine.h:30, from ./engines/draci/draci.h:25, from engines/draci/mouse.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/draci/mouse.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/draci/font.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/draci/font.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/draci/music.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/draci/music.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/draci/saveload.o In file included from ./engines/engine.h:30, from ./engines/draci/draci.h:25, from engines/draci/saveload.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/draci/draci.o In file included from ./common/config-manager.h:27, from engines/draci/draci.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/draci/draci.cpp:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/draci/animation.o In file included from ./engines/engine.h:30, from ./engines/draci/draci.h:25, from engines/draci/animation.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dm/dungeonman.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/dm/dungeonman.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/draci/metaengine.o In file included from ./engines/engine.h:30, from ./engines/draci/draci.h:25, from engines/draci/metaengine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dm/eventman.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/dm/eventman.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/dm/eventman.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/dm/timeline.o In file included from ./engines/engine.h:30, from ./engines/dm/dm.h:30, from ./engines/dm/timeline.h:30, from engines/dm/timeline.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dm/champion.o In file included from ./engines/engine.h:30, from ./engines/dm/dm.h:30, from ./engines/dm/champion.h:32, from engines/dm/champion.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/draci/screen.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/draci/screen.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dm/group.o In file included from ./engines/engine.h:30, from ./engines/dm/dm.h:30, from ./engines/dm/group.h:30, from engines/dm/group.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/draci/surface.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/draci/surface.h:26, from engines/draci/surface.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/draci/sprite.o In file included from ./engines/engine.h:30, from ./engines/draci/draci.h:25, from engines/draci/sprite.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/draci/sound.o In file included from ./common/archive.h:31, from engines/draci/sound.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dragons/bag.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/dragons/bigfile.h:25, from engines/dragons/bag.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dragons/credits.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/dragons/credits.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dragons/bigfile.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/dragons/bigfile.h:25, from engines/dragons/bigfile.cpp:21: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dragons/actorresource.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/dragons/actorresource.cpp:21: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dragons/dragonimg.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/dragons/dragonimg.h:24, from engines/dragons/dragonimg.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dragons/dragonflg.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/dragons/dragonflg.cpp:21: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dragons/cursor.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/dragons/cursor.h:24, from engines/dragons/cursor.cpp:21: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dragons/background.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/dragons/background.h:24, from engines/dragons/background.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/draci/script.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/draci/script.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from engines/draci/script.cpp:25: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/dragons/actor.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/dragons/actor.cpp:21: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/draci/game.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/draci/game.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dragons/dragonini.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/dragons/dragonini.cpp:21: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dragons/dragonobd.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/dragons/dragonobd.h:24, from engines/dragons/dragonobd.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dragons/dragonvar.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/dragons/dragonvar.h:24, from engines/dragons/dragonvar.cpp:21: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dragons/cutscene.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/dragons/cutscene.h:24, from engines/dragons/cutscene.cpp:21: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/draci/walking.o In file included from ./engines/engine.h:30, from ./engines/draci/draci.h:25, from engines/draci/walking.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dragons/dragonrms.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/dragons/dragonrms.h:24, from engines/dragons/dragonrms.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dragons/midimusicplayer.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/dragons/midimusicplayer.cpp:21: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dragons/font.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/dragons/bigfile.h:25, from engines/dragons/font.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dragons/inventory.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/dragons/actor.h:24, from engines/dragons/inventory.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dragons/minigame4.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/dragons/minigame4.h:24, from engines/dragons/minigame4.cpp:21: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dragons/minigame5.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/dragons/minigame5.h:24, from engines/dragons/minigame5.cpp:21: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dragons/sequenceopcodes.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./gui/EventRecorder.h:25, from ./engines/dragons/dragons.h:24, from engines/dragons/sequenceopcodes.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dragons/minigame1.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/dragons/minigame1.h:24, from engines/dragons/minigame1.cpp:21: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' engines/dragons/minigame1.cpp: In member function 'void Dragons::Minigame1::run()': engines/dragons/minigame1.cpp:755:83: warning: 'local_c0' may be used uninitialized [-Wmaybe-uninitialized] 755 | local_16a = *(short *)(local_c0 + (uint)uVar5 * 2 + 5); | ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/dragons/minigame1.cpp:86:16: note: 'local_c0' declared here 86 | uint32 local_c0 [22]; | ^~~~~~~~ engines/dragons/minigame1.cpp:764:75: warning: 'local_c0' may be used uninitialized [-Wmaybe-uninitialized] 764 | local_16a = *(short *)(local_c0 + (uint)uVar5 * 2 + 5); | ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/dragons/minigame1.cpp:86:16: note: 'local_c0' declared here 86 | uint32 local_c0 [22]; | ^~~~~~~~ engines/dragons/minigame1.cpp:759:83: warning: 'local_c0' may be used uninitialized [-Wmaybe-uninitialized] 759 | local_16a = *(short *)(local_c0 + (uint)uVar5 * 2 + 1); | ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/dragons/minigame1.cpp:86:16: note: 'local_c0' declared here 86 | uint32 local_c0 [22]; | ^~~~~~~~ engines/dragons/minigame1.cpp:764:75: warning: 'local_c0' may be used uninitialized [-Wmaybe-uninitialized] 764 | local_16a = *(short *)(local_c0 + (uint)uVar5 * 2 + 5); | ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/dragons/minigame1.cpp:86:16: note: 'local_c0' declared here 86 | uint32 local_c0 [22]; | ^~~~~~~~ C++ engines/dragons/metaengine.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./gui/EventRecorder.h:25, from ./engines/dragons/dragons.h:24, from engines/dragons/metaengine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dragons/saveload.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./gui/EventRecorder.h:25, from ./engines/dragons/dragons.h:24, from engines/dragons/saveload.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dragons/scene.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/dragons/scene.h:24, from engines/dragons/scene.cpp:21: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dragons/minigame2.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/dragons/minigame2.h:24, from engines/dragons/minigame2.cpp:21: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dragons/minigame3.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from engines/dragons/minigame3.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' engines/dragons/minigame3.cpp: In member function 'void Dragons::Minigame3::run()': engines/dragons/minigame3.cpp:360:72: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 360 | local_56 = local_56 - *(int16 *)&UnkStruct_ARRAY_800931a0[local_50].field_0x14; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ C++ engines/dragons/screen.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/dragons/screen.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dm/gfx.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/dm/gfx.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dragons/strplayer.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./video/psx_decoder.h:28, from engines/dragons/strplayer.cpp:21: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/drascula/console.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/drascula/console.h:25, from engines/drascula/console.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dragons/scriptopcodes.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/dragons/actorresource.h:24, from engines/dragons/scriptopcodes.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/drascula/actors.o In file included from ./common/archive.h:31, from ./engines/drascula/drascula.h:26, from engines/drascula/actors.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dragons/vabsound.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/dragons/vabsound.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/drascula/converse.o In file included from ./common/archive.h:31, from ./engines/drascula/drascula.h:26, from engines/drascula/converse.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dragons/dragons.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./gui/object.h:27, from ./gui/dialog.h:29, from ./gui/message.h:25, from engines/dragons/dragons.cpp:21: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dragons/sound.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from engines/dragons/sound.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/drascula/interface.o In file included from ./common/archive.h:31, from ./engines/drascula/drascula.h:26, from engines/drascula/interface.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/drascula/interface.cpp:23: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/drascula/objects.o In file included from ./common/archive.h:31, from ./engines/drascula/drascula.h:26, from engines/drascula/objects.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/drascula/palette.o In file included from ./common/archive.h:31, from ./engines/drascula/drascula.h:26, from engines/drascula/palette.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dragons/talk.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/dragons/talk.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dreamweb/console.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/dreamweb/console.h:25, from engines/dreamweb/console.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/drascula/metaengine.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/drascula/metaengine.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/drascula/resource.o In file included from ./common/archive.h:31, from ./engines/drascula/drascula.h:26, from engines/drascula/resource.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/drascula/graphics.o In file included from ./common/archive.h:31, from ./engines/drascula/drascula.h:26, from engines/drascula/graphics.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/drascula/sound.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from engines/drascula/sound.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/drascula/drascula.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from engines/drascula/drascula.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dragons/specialopcodes.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/dragons/actorresource.h:24, from engines/dragons/specialopcodes.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dreamweb/backdrop.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/dreamweb/dreamweb.h:28, from engines/dreamweb/backdrop.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dreamweb/mouse.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from engines/dreamweb/mouse.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/drascula/animation.o In file included from ./common/archive.h:31, from ./engines/drascula/drascula.h:26, from engines/drascula/animation.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/drascula/talk.o In file included from ./common/archive.h:31, from ./engines/drascula/drascula.h:26, from engines/drascula/talk.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/drascula/saveload.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/translation.h:26, from engines/drascula/saveload.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dreamweb/newplace.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/dreamweb/sound.h:27, from engines/dreamweb/newplace.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dreamweb/keypad.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/dreamweb/sound.h:27, from engines/dreamweb/keypad.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dreamweb/pathfind.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/dreamweb/dreamweb.h:28, from engines/dreamweb/pathfind.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dreamweb/metaengine.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/translation.h:26, from engines/dreamweb/metaengine.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dreamweb/rain.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/dreamweb/sound.h:27, from engines/dreamweb/rain.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dreamweb/monitor.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/dreamweb/sound.h:27, from engines/dreamweb/monitor.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dreamweb/print.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/dreamweb/sound.h:27, from engines/dreamweb/print.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dreamweb/dreamweb.o In file included from ./common/config-manager.h:27, from engines/dreamweb/dreamweb.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/efh/constants.o C++ engines/dreamweb/people.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/dreamweb/sound.h:27, from engines/dreamweb/people.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dreamweb/object.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/dreamweb/dreamweb.h:28, from engines/dreamweb/object.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dreamweb/rnca_archive.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/dreamweb/rnca_archive.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dreamweb/sound.o In file included from ./common/config-manager.h:27, from engines/dreamweb/sound.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dreamweb/titles.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/dreamweb/sound.h:27, from engines/dreamweb/titles.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dreamweb/talk.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/dreamweb/sound.h:27, from engines/dreamweb/talk.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dreamweb/vgafades.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/dreamweb/sound.h:27, from engines/dreamweb/vgafades.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dreamweb/sprite.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/dreamweb/sound.h:27, from engines/dreamweb/sprite.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/drascula/rooms.o In file included from ./common/archive.h:31, from ./engines/drascula/drascula.h:26, from engines/drascula/rooms.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dreamweb/vgagrafx.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/dreamweb/dreamweb.h:28, from engines/dreamweb/vgagrafx.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dreamweb/use.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/dreamweb/sound.h:27, from engines/dreamweb/use.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/efh/files.o In file included from ./common/config-manager.h:27, from engines/efh/files.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/efh/sound.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/softsynth/pcspk.h:26, from ./engines/efh/efh.h:25, from engines/efh/sound.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/efh/graphics.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/efh/graphics.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dreamweb/saveload.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/dreamweb/sound.h:27, from engines/dreamweb/saveload.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/efh/init.o In file included from ./common/config-manager.h:27, from engines/efh/init.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/efh/utils.o In file included from ./common/config-manager.h:27, from engines/efh/utils.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/efh/metaengine.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/efh/metaengine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/assets.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/freescape/assets.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/efh/script.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/efh/script.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/efh/fight.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/softsynth/pcspk.h:26, from ./engines/efh/efh.h:25, from engines/efh/fight.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/efh/menu.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/softsynth/pcspk.h:26, from ./engines/efh/efh.h:25, from engines/efh/menu.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/efh/savegames.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/efh/savegames.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/demo.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/freescape/freescape.h:26, from engines/freescape/demo.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/games/dark/amiga.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/freescape/games/dark/amiga.cpp:21: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/dreamweb/stubs.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/dreamweb/sound.h:27, from engines/dreamweb/stubs.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/games/driller/atari.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/freescape/games/driller/atari.cpp:21: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/games/dark/cpc.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/freescape/games/dark/cpc.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/games/castle.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/freescape/games/castle.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/efh/efh.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/efh/efh.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/games/driller/amiga.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/freescape/games/driller/amiga.cpp:21: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/games/dark/dos.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/freescape/games/dark/dos.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/games/dark/zx.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/freescape/games/dark/zx.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/area.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/freescape/freescape.h:26, from engines/freescape/area.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/games/driller/c64.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/freescape/games/driller/c64.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/games/driller/cpc.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/freescape/games/driller/cpc.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/games/eclipse/dos.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/freescape/games/eclipse/dos.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/games/driller/zx.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/freescape/games/driller/zx.cpp:21: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/games/eclipse/eclipse.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/freescape/games/eclipse/eclipse.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/games/eclipse/zx.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/freescape/games/eclipse/zx.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/games/driller/dos.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/freescape/games/driller/dos.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/games/eclipse/cpc.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/freescape/games/eclipse/cpc.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/games/dark/dark.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/freescape/games/dark/dark.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/loaders/8bitImage.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/freescape/freescape.h:26, from engines/freescape/loaders/8bitImage.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/games/palettes.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/freescape/freescape.h:26, from engines/freescape/games/palettes.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/freescape.o In file included from ./common/config-manager.h:27, from engines/freescape/freescape.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/freescape/freescape.cpp:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/freescape/metaengine.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/translation.h:26, from engines/freescape/metaengine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/language/8bitDetokeniser.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/freescape/freescape.h:26, from engines/freescape/language/8bitDetokeniser.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/objects/sensor.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/freescape/gfx.h:26, from ./engines/freescape/objects/object.h:30, from ./engines/freescape/area.h:32, from ./engines/freescape/objects/sensor.h:28, from engines/freescape/objects/sensor.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/gfx_tinygl_texture.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/tinygl/zblit.h:25, from engines/freescape/gfx_tinygl_texture.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/sweepAABB.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/freescape/freescape.h:26, from engines/freescape/sweepAABB.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/objects/group.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/freescape/freescape.h:26, from engines/freescape/objects/group.cpp:21: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/language/instruction.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/freescape/freescape.h:26, from engines/freescape/language/instruction.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/movement.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/translation.h:26, from engines/freescape/movement.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/gfx_tinygl.o In file included from ./common/config-manager.h:27, from engines/freescape/gfx_tinygl.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/sound.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/freescape/sound.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/objects/geometricobject.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/freescape/gfx.h:26, from ./engines/freescape/objects/group.h:25, from ./engines/freescape/objects/geometricobject.h:29, from engines/freescape/objects/geometricobject.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/gfx_opengl_texture.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/freescape/gfx.h:26, from ./engines/freescape/gfx_opengl_texture.h:28, from engines/freescape/gfx_opengl_texture.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/ui.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/freescape/freescape.h:26, from engines/freescape/ui.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/games/driller/driller.o In file included from ./common/config-manager.h:27, from engines/freescape/games/driller/driller.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/gfx_opengl_shaders.o In file included from ./common/config-manager.h:27, from engines/freescape/gfx_opengl_shaders.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/gfx_opengl.o In file included from ./common/config-manager.h:27, from engines/freescape/gfx_opengl.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/debugger.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/glk/debugger.h:27, from engines/glk/debugger.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/pc_speaker.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/softsynth/pcspk.h:26, from engines/glk/pc_speaker.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/fonts.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/glk/utils.h:26, from ./engines/glk/fonts.h:26, from engines/glk/fonts.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/gfx.o In file included from ./common/config-manager.h:27, from engines/freescape/gfx.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/conf.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/glk/utils.h:26, from ./engines/glk/fonts.h:26, from ./engines/glk/conf.h:26, from engines/glk/conf.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/blorb.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/glk/streams.h:26, from ./engines/glk/blorb.h:26, from engines/glk/blorb.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/raw_decoder.o C++ engines/glk/events.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/glk/events.h:25, from engines/glk/events.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/glk/events.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/glk/glk_dispa.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from engines/glk/glk_dispa.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/glk.o In file included from ./common/config-manager.h:27, from engines/glk/glk.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/time.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/glk/time.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/screen.o In file included from ./common/archive.h:31, from ./engines/glk/screen.h:25, from engines/glk/screen.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/unicode_gen.o C++ engines/glk/unicode.o C++ engines/glk/picture.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./engines/glk/picture.h:26, from engines/glk/picture.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/utils.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/glk/utils.h:26, from engines/glk/utils.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/selection.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/glk/utils.h:26, from ./engines/glk/selection.h:26, from engines/glk/selection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/speech.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/glk/speech.h:25, from engines/glk/speech.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/sound.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/glk/sound.h:27, from engines/glk/sound.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/quetzal.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/glk/streams.h:26, from ./engines/glk/blorb.h:26, from ./engines/glk/quetzal.h:30, from engines/glk/quetzal.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/glk_api.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from engines/glk/glk_api.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/freescape/loaders/8bitBinaryLoader.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/freescape/freescape.h:26, from engines/freescape/loaders/8bitBinaryLoader.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/adrift/scevents.o C++ engines/glk/metaengine.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from engines/glk/metaengine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/glk/adrift/adrift.h:29, from engines/glk/metaengine.cpp:26: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/glk/adrift/adrift.o In file included from ./engines/glk/adrift/adrift.h:29, from engines/glk/adrift/adrift.cpp:22: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/adrift/adrift.h:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/window_pair.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/glk/windows.h:27, from ./engines/glk/window_pair.h:25, from engines/glk/window_pair.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/window_graphics.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/glk/windows.h:27, from ./engines/glk/window_graphics.h:25, from engines/glk/window_graphics.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/adrift/sclocale.o C++ engines/glk/adrift/scnpcs.o C++ engines/glk/adrift/scexpr.o C++ engines/glk/adrift/scmemos.o C++ engines/glk/windows.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/glk/windows.h:27, from engines/glk/windows.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/adrift/scgamest.o C++ engines/glk/adrift/scobjcts.o C++ engines/glk/adrift/scinterf.o In file included from ./engines/glk/adrift/adrift.h:29, from engines/glk/adrift/scinterf.cpp:22: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/adrift/adrift.h:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/adrift/scprintf.o C++ engines/glk/window_text_grid.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/glk/windows.h:27, from ./engines/glk/window_text_grid.h:25, from engines/glk/window_text_grid.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/adrift/scparser.o C++ engines/glk/adrift/os_glk.o In file included from ./engines/glk/adrift/adrift.h:29, from engines/glk/adrift/os_glk.cpp:22: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/adrift/adrift.h:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' engines/glk/adrift/os_glk.cpp: In function 'void Glk::Adrift::gsc_status_notify()': engines/glk/adrift/os_glk.cpp:900:24: warning: 'char* __builtin___strncat_chk(char*, const char*, long unsigned int, long unsigned int)' specified bound depends on the length of the source argument [-Wstringop-overflow=] 900 | strncat(dest, src, src_length < available ? src_length : available); | ^ In function 'void Glk::Adrift::gsc_status_safe_strcat(char*, size_t, const char*)', inlined from 'void Glk::Adrift::gsc_status_print()' at engines/glk/adrift/os_glk.cpp:925:25, inlined from 'void Glk::Adrift::gsc_status_notify()' at engines/glk/adrift/os_glk.cpp:962:19: engines/glk/adrift/os_glk.cpp:897:28: note: length computed here 897 | src_length = strlen(src); | ~~~~~~^~~~~ engines/glk/adrift/os_glk.cpp: In function 'void Glk::Adrift::gsc_status_notify()': engines/glk/adrift/os_glk.cpp:900:24: warning: 'char* __builtin___strncat_chk(char*, const char*, long unsigned int, long unsigned int)' output truncated copying between 1 and 3 bytes from a string of length 3 [-Wstringop-truncation] 900 | strncat(dest, src, src_length < available ? src_length : available); | ^ C++ engines/glk/adrift/scdebug.o In file included from ./engines/glk/adrift/adrift.h:29, from engines/glk/adrift/scdebug.cpp:22: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/adrift/adrift.h:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/adrift/sxfile.o C++ engines/glk/adrift/screstrs.o C++ engines/glk/streams.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/glk/streams.h:26, from engines/glk/streams.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/adrift/scresour.o C++ engines/glk/adrift/sctasks.o C++ engines/glk/window_text_buffer.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/glk/windows.h:27, from ./engines/glk/window_text_buffer.h:25, from engines/glk/window_text_buffer.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/adrift/scprops.o C++ engines/glk/adrift/scutils.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from engines/glk/adrift/scutils.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/adrift/sxglob.o C++ engines/glk/adrift/serialization.o C++ engines/glk/adrift/scrunner.o In file included from ./engines/glk/adrift/adrift.h:29, from engines/glk/adrift/scrunner.cpp:22: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/adrift/adrift.h:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/adrift/sxutils.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/glk/adrift/sxutils.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/adrift/sctaffil.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/glk/adrift/detection.h:25, from engines/glk/adrift/sctaffil.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/adrift/scvars.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from engines/glk/adrift/scvars.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/advsys/advsys.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/advsys/glk_interface.h:25, from ./engines/glk/advsys/vm.h:25, from ./engines/glk/advsys/advsys.h:28, from engines/glk/advsys/advsys.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/glk/advsys/vm.h:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/glk/advsys/game.o C++ engines/glk/agt/agt.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/agt/agt.h:28, from engines/glk/agt/agt.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/advsys/glk_interface.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/advsys/glk_interface.h:25, from engines/glk/advsys/glk_interface.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/agt/agil.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/agt/config.h:25, from ./engines/glk/agt/agility.h:25, from engines/glk/agt/agil.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/adrift/sctafpar.o C++ engines/glk/agt/disassemble.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/agt/config.h:25, from ./engines/glk/agt/agility.h:25, from engines/glk/agt/disassemble.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/agt/agxfile.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/agt/config.h:25, from ./engines/glk/agt/agility.h:25, from engines/glk/agt/agxfile.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/agt/filename.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/agt/config.h:25, from ./engines/glk/agt/agility.h:25, from engines/glk/agt/filename.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/agt/interface.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/agt/config.h:25, from ./engines/glk/agt/agility.h:25, from engines/glk/agt/interface.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/agt/auxfile.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/agt/config.h:25, from ./engines/glk/agt/agility.h:25, from engines/glk/agt/auxfile.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/agt/exec.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/agt/config.h:25, from ./engines/glk/agt/agility.h:25, from engines/glk/agt/exec.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/agt/gamedata.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/agt/config.h:25, from ./engines/glk/agt/agility.h:25, from engines/glk/agt/gamedata.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/agt/debugcmd.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/agt/config.h:25, from ./engines/glk/agt/agility.h:25, from engines/glk/agt/debugcmd.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/agt/savegame.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/agt/config.h:25, from ./engines/glk/agt/agility.h:25, from engines/glk/agt/savegame.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/agt/metacommand.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/agt/config.h:25, from ./engines/glk/agt/agility.h:25, from engines/glk/agt/metacommand.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/advsys/vm.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/advsys/glk_interface.h:25, from ./engines/glk/advsys/vm.h:25, from engines/glk/advsys/vm.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/glk/advsys/vm.h:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/glk/alan2/alan_version.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/alan2/version.h:25, from ./engines/glk/alan2/alan_version.h:25, from engines/glk/alan2/alan_version.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/agt/agtread.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/agt/config.h:25, from ./engines/glk/agt/agility.h:25, from engines/glk/agt/agtread.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/adrift/sclibrar.o In file included from ./engines/glk/adrift/adrift.h:29, from engines/glk/adrift/sclibrar.cpp:22: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/adrift/adrift.h:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/agt/vars.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/agt/config.h:25, from ./engines/glk/agt/agility.h:25, from engines/glk/agt/vars.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/agt/util.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/agt/config.h:25, from ./engines/glk/agt/agility.h:25, from engines/glk/agt/util.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan2/decode.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/glk/alan2/main.h:27, from engines/glk/alan2/decode.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/agt/token.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/agt/config.h:25, from ./engines/glk/agt/agility.h:25, from engines/glk/agt/token.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/agt/object.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/agt/config.h:25, from ./engines/glk/agt/agility.h:25, from engines/glk/agt/object.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan2/args.o In file included from ./engines/glk/alan2/alan2.h:29, from engines/glk/alan2/args.cpp:22: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/alan2/alan2.h:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/agt/parser.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/agt/config.h:25, from ./engines/glk/agt/agility.h:25, from engines/glk/agt/parser.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/agt/runverb.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/agt/config.h:25, from ./engines/glk/agt/agility.h:25, from engines/glk/agt/runverb.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan2/glkio.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from engines/glk/alan2/glkio.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/glk/alan2/alan2.h:29, from engines/glk/alan2/glkio.cpp:23: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/glk/alan2/debug.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/alan2/version.h:25, from ./engines/glk/alan2/alan_version.h:25, from engines/glk/alan2/debug.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan2/stack.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/glk/alan2/main.h:27, from engines/glk/alan2/stack.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan2/rules.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/glk/windows.h:27, from ./engines/glk/alan2/glkio.h:28, from engines/glk/alan2/rules.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan2/reverse.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/glk/alan2/main.h:27, from engines/glk/alan2/reverse.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan2/alan2.o In file included from ./engines/glk/alan2/alan2.h:29, from engines/glk/alan2/alan2.cpp:22: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/alan2/alan2.h:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan3/acode.o C++ engines/glk/alan2/params.o C++ engines/glk/alan3/alan_version.o C++ engines/glk/agt/os_glk.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/agt/config.h:25, from ./engines/glk/agt/agility.h:25, from engines/glk/agt/os_glk.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan2/inter.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/glk/windows.h:27, from ./engines/glk/alan2/glkio.h:28, from engines/glk/alan2/inter.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan3/act.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/glk/streams.h:26, from ./engines/glk/alan3/output.h:26, from engines/glk/alan3/act.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan3/actor.o C++ engines/glk/alan2/types.o C++ engines/glk/alan3/checkentry.o C++ engines/glk/alan3/class.o C++ engines/glk/alan2/exe.o In file included from ./engines/glk/alan2/alan2.h:29, from engines/glk/alan2/exe.cpp:22: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/alan2/alan2.h:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan2/sysdep.o In file included from ./engines/glk/alan2/alan2.h:29, from engines/glk/alan2/sysdep.cpp:22: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/alan2/alan2.h:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan3/attribute.o C++ engines/glk/alan3/compatibility.o C++ engines/glk/alan2/main.o In file included from ./engines/glk/alan2/alan2.h:29, from engines/glk/alan2/main.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/alan2/alan2.h:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan2/parse.o In file included from ./engines/glk/alan2/alan2.h:29, from engines/glk/alan2/parse.cpp:22: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/alan2/alan2.h:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan3/container.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/glk/streams.h:26, from ./engines/glk/alan3/output.h:26, from engines/glk/alan3/container.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan3/current.o C++ engines/glk/alan3/decode.o C++ engines/glk/alan3/event.o C++ engines/glk/alan3/alan3.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/alan3/glkio.h:25, from ./engines/glk/alan3/alan3.h:27, from engines/glk/alan3/alan3.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan3/alt_info.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/alan3/glkio.h:25, from engines/glk/alan3/alt_info.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan3/dictionary.o C++ engines/glk/alan3/fnmatch.o C++ engines/glk/alan3/lists.o C++ engines/glk/alan3/options.o C++ engines/glk/alan3/literal.o C++ engines/glk/alan3/memory.o C++ engines/glk/alan3/msg.o C++ engines/glk/alan3/parameter_position.o C++ engines/glk/alan3/glkio.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/alan3/glkio.h:25, from engines/glk/alan3/glkio.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan3/exe.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/alan3/glkio.h:25, from ./engines/glk/alan3/alan3.h:27, from engines/glk/alan3/exe.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan3/location.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/alan3/glkio.h:25, from engines/glk/alan3/location.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan3/debug.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/alan3/glkio.h:25, from ./engines/glk/alan3/alan3.h:27, from engines/glk/alan3/debug.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan3/score.o C++ engines/glk/alan3/instance.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/alan3/glkio.h:25, from engines/glk/alan3/instance.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan3/output.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/alan3/glkio.h:25, from engines/glk/alan3/output.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan3/save.o C++ engines/glk/alan3/main.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/alan3/glkio.h:25, from engines/glk/alan3/main.cpp:33: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan3/set.o C++ engines/glk/alan3/syntax.o C++ engines/glk/alan3/reverse.o C++ engines/glk/alan3/params.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/alan3/glkio.h:25, from engines/glk/alan3/params.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan3/inter.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/alan3/glkio.h:25, from ./engines/glk/alan3/alan3.h:27, from engines/glk/alan3/inter.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan3/rules.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/alan3/glkio.h:25, from engines/glk/alan3/rules.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan3/state.o C++ engines/glk/alan3/scan.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/alan3/glkio.h:25, from engines/glk/alan3/scan.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan3/state_stack.o C++ engines/glk/alan3/stack.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/alan3/glkio.h:25, from engines/glk/alan3/stack.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan3/word.o C++ engines/glk/alan3/types.o C++ engines/glk/archetype/array.o C++ engines/glk/archetype/expression.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/glk/archetype/misc.h:25, from ./engines/glk/archetype/expression.h:27, from engines/glk/archetype/expression.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan3/syserr.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/alan3/glkio.h:25, from engines/glk/alan3/syserr.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan3/utils.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/alan3/glkio.h:25, from engines/glk/alan3/utils.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan3/parse.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/alan3/glkio.h:25, from engines/glk/alan3/parse.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan3/sysdep.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/alan3/glkio.h:25, from ./engines/glk/alan3/alan3.h:27, from engines/glk/alan3/sysdep.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/archetype/crypt.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/archetype/archetype.h:27, from engines/glk/archetype/crypt.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/archetype/linked_list.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/glk/archetype/misc.h:25, from engines/glk/archetype/linked_list.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/archetype/error.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/glk/archetype/misc.h:25, from ./engines/glk/archetype/error.h:29, from engines/glk/archetype/error.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/archetype/game_stat.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/archetype/archetype.h:27, from engines/glk/archetype/game_stat.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/archetype/heap_sort.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/archetype/archetype.h:27, from engines/glk/archetype/heap_sort.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/archetype/id_table.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/glk/archetype/misc.h:25, from ./engines/glk/archetype/id_table.h:25, from engines/glk/archetype/id_table.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/archetype/string.o C++ engines/glk/archetype/timestamp.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/glk/archetype/timestamp.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/archetype/keywords.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/archetype/archetype.h:27, from engines/glk/archetype/keywords.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/archetype/interpreter.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/glk/archetype/misc.h:25, from ./engines/glk/archetype/expression.h:27, from ./engines/glk/archetype/interpreter.h:25, from engines/glk/archetype/interpreter.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/archetype/archetype.o In file included from ./common/config-manager.h:27, from engines/glk/archetype/archetype.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/archetype/misc.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/glk/archetype/misc.h:25, from engines/glk/archetype/misc.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/archetype/semantic.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/glk/archetype/misc.h:25, from ./engines/glk/archetype/expression.h:27, from ./engines/glk/archetype/semantic.h:30, from engines/glk/archetype/semantic.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/archetype/parser.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/archetype/archetype.h:27, from engines/glk/archetype/parser.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/comprehend/charset.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/font.h:27, from ./engines/glk/comprehend/charset.h:25, from engines/glk/comprehend/charset.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/archetype/saveload.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/glk/archetype/misc.h:25, from ./engines/glk/archetype/expression.h:27, from ./engines/glk/archetype/statement.h:25, from ./engines/glk/archetype/saveload.h:31, from engines/glk/archetype/saveload.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/archetype/sys_object.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/glk/archetype/misc.h:25, from ./engines/glk/archetype/expression.h:27, from ./engines/glk/archetype/interpreter.h:25, from ./engines/glk/archetype/sys_object.h:26, from engines/glk/archetype/sys_object.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/archetype/token.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/glk/archetype/misc.h:25, from ./engines/glk/archetype/token.h:25, from engines/glk/archetype/token.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/comprehend/dictionary.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/comprehend/comprehend.h:27, from engines/glk/comprehend/dictionary.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/comprehend/file_buf.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/glk/comprehend/file_buf.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/comprehend/comprehend.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/comprehend/comprehend.h:27, from engines/glk/comprehend/comprehend.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/comprehend/debugger.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/glk/debugger.h:27, from ./engines/glk/comprehend/debugger.h:25, from engines/glk/comprehend/debugger.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/comprehend/draw_surface.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./engines/glk/comprehend/draw_surface.h:26, from engines/glk/comprehend/draw_surface.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/comprehend/debugger_dumper.o C++ engines/glk/comprehend/game_tm.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/comprehend/comprehend.h:27, from engines/glk/comprehend/game_tm.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/comprehend/game_opcodes.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/comprehend/comprehend.h:27, from engines/glk/comprehend/game_opcodes.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/comprehend/game_cc.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/comprehend/comprehend.h:27, from engines/glk/comprehend/game_cc.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/comprehend/game_oo.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/comprehend/comprehend.h:27, from engines/glk/comprehend/game_oo.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/glulx/gestalt.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/glulx/glulx.h:29, from engines/glk/glulx/gestalt.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/comprehend/game_tr2.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/comprehend/comprehend.h:27, from engines/glk/comprehend/game_tr2.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/glulx/float.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/glulx/glulx.h:29, from engines/glk/glulx/float.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/comprehend/game_tr1.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/comprehend/comprehend.h:27, from engines/glk/comprehend/game_tr1.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/glulx/accel.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/glulx/glulx.h:29, from engines/glk/glulx/accel.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/glulx/funcs.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/glulx/glulx.h:29, from engines/glk/glulx/funcs.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/glulx/exec.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/glulx/glulx.h:29, from engines/glk/glulx/exec.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/comprehend/game.o In file included from ./common/debug-channels.h:30, from engines/glk/comprehend/game.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/glulx/glulx.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/glulx/glulx.h:29, from engines/glk/glulx/glulx.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/comprehend/pics.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/transform_struct.h:25, from ./graphics/managed_surface.h:27, from ./engines/glk/comprehend/draw_surface.h:26, from ./engines/glk/comprehend/pics.h:25, from engines/glk/comprehend/pics.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/glulx/heap.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/glulx/glulx.h:29, from engines/glk/glulx/heap.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/glulx/search.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/glulx/glulx.h:29, from engines/glk/glulx/search.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/glulx/operand.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/glulx/glulx.h:29, from engines/glk/glulx/operand.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/comprehend/game_data.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/comprehend/comprehend.h:27, from engines/glk/comprehend/game_data.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/glulx/vm.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/glulx/glulx.h:29, from engines/glk/glulx/vm.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/hugo/htokens.o C++ engines/glk/hugo/heglk.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/hugo/hugo.h:29, from engines/glk/hugo/heglk.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/hugo/hemedia.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/hugo/hugo.h:29, from engines/glk/hugo/hemedia.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/hugo/heexpr.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/hugo/hugo.h:29, from engines/glk/hugo/heexpr.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/glulx/string.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/glulx/glulx.h:29, from engines/glk/glulx/string.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/glulx/glkop.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/glulx/glulx.h:29, from engines/glk/glulx/glkop.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/hugo/stringfn.o C++ engines/glk/glulx/serial.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/glulx/glulx.h:29, from engines/glk/glulx/serial.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/hugo/heobject.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/hugo/hugo.h:29, from engines/glk/hugo/heobject.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/hugo/heset.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/hugo/hugo.h:29, from engines/glk/hugo/heset.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/hugo/heres.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/hugo/hugo.h:29, from engines/glk/hugo/heres.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/hugo/resource_archive.o In file included from ./common/archive.h:31, from ./engines/glk/hugo/resource_archive.h:25, from engines/glk/hugo/resource_archive.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/jacl/display.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/jacl/jacl.h:27, from engines/glk/jacl/display.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/jacl/errors.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/jacl/jacl.h:27, from engines/glk/jacl/errors.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/jacl/encapsulate.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/jacl/jacl.h:27, from engines/glk/jacl/encapsulate.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/hugo/hugo.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/hugo/hugo.h:29, from engines/glk/hugo/hugo.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/jacl/glk_saver.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/jacl/jacl.h:27, from engines/glk/jacl/glk_saver.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/jacl/jacl.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/jacl/jacl.h:27, from engines/glk/jacl/jacl.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/jacl/findroute.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/jacl/jacl.h:27, from engines/glk/jacl/findroute.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/jacl/libcsv.o C++ engines/glk/hugo/herun.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/hugo/hugo.h:29, from engines/glk/hugo/herun.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/jacl/logging.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/jacl/jacl.h:27, from engines/glk/jacl/logging.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/jacl/jpp.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/jacl/jacl.h:27, from engines/glk/jacl/jpp.cpp:19: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/hugo/hemisc.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/hugo/hugo.h:29, from engines/glk/hugo/hemisc.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' engines/glk/hugo/hemisc.cpp: In member function 'void Glk::Hugo::Hugo::ContextCommand()': engines/glk/hugo/hemisc.cpp:557:24: warning: 'char* __builtin_strncpy(char*, const char*, long unsigned int)' output may be truncated copying 64 bytes from a string of length 1280 [-Wstringop-truncation] 557 | strncpy(context_command[context_commands], cc = GetWord(n), 64); | ^ engines/glk/hugo/hemisc.cpp: In member function 'void Glk::Hugo::Hugo::GetCommand()': engines/glk/hugo/hemisc.cpp:882:16: warning: 'char* __builtin_strncpy(char*, const char*, long unsigned int)' output may be truncated copying 255 bytes from a string of length 1280 [-Wstringop-truncation] 882 | strncpy(a, GetWord(var[prompt]), 255); | ^ C++ engines/glk/hugo/heparse.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/hugo/hugo.h:29, from engines/glk/hugo/heparse.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/jacl/utils.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/jacl/jacl.h:27, from engines/glk/jacl/utils.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/jacl/jacl_main.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/jacl/jacl.h:27, from engines/glk/jacl/jacl_main.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' engines/glk/jacl/jacl_main.cpp: In function 'void Glk::JACL::get_string(char*)': engines/glk/jacl/jacl_main.cpp:967:16: warning: 'char* __builtin_strncpy(char*, const char*, long unsigned int)' output may be truncated copying 255 bytes from a string of length 255 [-Wstringop-truncation] 967 | strncpy(string_buffer, cx, 255); | ^ C++ engines/glk/level9/level9.o In file included from ./engines/glk/level9/level9.h:29, from engines/glk/level9/level9.cpp:22: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/level9/level9.h:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/jacl/loader.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/jacl/jacl.h:27, from engines/glk/jacl/loader.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/level9/bitmap.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/glk/level9/bitmap.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/jacl/parser.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/jacl/jacl.h:27, from engines/glk/jacl/parser.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/jacl/resolvers.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/jacl/jacl.h:27, from engines/glk/jacl/resolvers.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/magnetic/magnetic.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/translation.h:26, from ./engines/glk/magnetic/magnetic.h:28, from engines/glk/magnetic/magnetic.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/quest/string.o C++ engines/glk/jacl/interpreter.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/jacl/jacl.h:27, from engines/glk/jacl/interpreter.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/quest/quest.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/quest/quest.h:27, from engines/glk/quest/quest.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/quest/geas_glk.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/glk/windows.h:27, from ./engines/glk/quest/geas_glk.h:26, from engines/glk/quest/geas_glk.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/quest/streams.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/glk/quest/streams.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/quest/geas_util.o C++ engines/glk/scott/decompress_text.o C++ engines/glk/scott/definitions.o C++ engines/glk/scott/game_info.o C++ engines/glk/scott/decompress_z80.o C++ engines/glk/scott/c64_checksums.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/scott/scott.h:41, from engines/glk/scott/c64_checksums.cpp:35: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/quest/geas_file.o C++ engines/glk/level9/os_glk.o In file included from ./engines/glk/level9/level9.h:29, from engines/glk/level9/os_glk.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/level9/level9.h:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/scott/disk_image.o C++ engines/glk/scott/layout_text.o C++ engines/glk/scott/game_specific.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/scott/scott.h:41, from engines/glk/scott/game_specific.cpp:34: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/quest/geas_state.o C++ engines/glk/scott/load_game.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/scott/scott.h:41, from engines/glk/scott/load_game.cpp:34: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/scott/gremlins.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/scott/scott.h:41, from engines/glk/scott/gremlins.cpp:33: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/scott/ring_buffer.o C++ engines/glk/level9/level9_main.o In file included from ./engines/glk/level9/level9.h:29, from engines/glk/level9/level9_main.cpp:39: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/level9/level9.h:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/magnetic/glk.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/translation.h:26, from ./engines/glk/magnetic/magnetic.h:28, from engines/glk/magnetic/glk.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/scott/line_drawing.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/scott/scott.h:41, from engines/glk/scott/line_drawing.cpp:33: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/scott/hulk.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/scott/scott.h:41, from engines/glk/scott/hulk.cpp:33: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/scott/restore_state.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/scott/scott.h:41, from engines/glk/scott/restore_state.cpp:33: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/scott/unp64/scanners/scanners.o C++ engines/glk/magnetic/emu.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/translation.h:26, from ./engines/glk/magnetic/magnetic.h:28, from engines/glk/magnetic/emu.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/scott/unp64/scanners/action_packer.o C++ engines/glk/scott/unp64/exo_util.o C++ engines/glk/scott/robin_of_sherwood.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/scott/scott.h:41, from engines/glk/scott/robin_of_sherwood.cpp:33: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/scott/load_ti99_4a.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/scott/scott.h:41, from engines/glk/scott/load_ti99_4a.cpp:33: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/scott/command_parser.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/scott/scott.h:41, from engines/glk/scott/command_parser.cpp:34: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/scott/ti99_4a_terp.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/scott/scott.h:41, from engines/glk/scott/ti99_4a_terp.cpp:34: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/scott/unp64/scanners/byte_boiler.o C++ engines/glk/scott/unp64/scanners/caution.o C++ engines/glk/scott/unp64/scanners/ccs.o C++ engines/glk/scott/globals.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/scott/scott.h:41, from engines/glk/scott/globals.cpp:34: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/scott/saga_draw.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/scott/scott.h:41, from engines/glk/scott/saga_draw.cpp:33: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/scott/unp64/unp64.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/glk/windows.h:27, from ./engines/glk/scott/globals.h:41, from engines/glk/scott/unp64/unp64.cpp:56: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/scott/unp64/scanners/eca.o C++ engines/glk/scott/unp64/scanners/cruel.o C++ engines/glk/scott/unp64/scanners/master_compressor.o C++ engines/glk/scott/unp64/scanners/exomizer.o C++ engines/glk/scott/unp64/scanners/expert.o C++ engines/glk/scott/unp64/scanners/megabyte.o C++ engines/glk/quest/read_file.o C++ engines/glk/scott/seas_of_blood.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/scott/scott.h:41, from engines/glk/scott/seas_of_blood.cpp:33: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/scott/unp64/scanners/section8.o C++ engines/glk/scott/unp64/scanners/pu_crunch.o C++ engines/glk/scott/unp64/scanners/tbc_multicomp.o C++ engines/glk/scott/unp64/scanners/tcs_crunch.o C++ engines/glk/scott/unp64/scanners/xtc.o C++ engines/glk/scott/unp64/6502_emu.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/glk/windows.h:27, from ./engines/glk/scott/globals.h:41, from engines/glk/scott/unp64/6502_emu.cpp:44: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/scott/resource.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/scott/scott.h:41, from engines/glk/scott/resource.cpp:34: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/tads/os_buffer.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/tads/tads.h:26, from engines/glk/tads/os_buffer.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/tads/tads2/command_line.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/glk/tads/os_frob_tads.h:32, from ./engines/glk/tads/tads2/error_handling.h:63, from ./engines/glk/tads/tads2/command_line.h:28, from engines/glk/tads/tads2/command_line.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/tads/tads.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/tads/tads.h:26, from engines/glk/tads/tads.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/tads/tads2/data.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/tads/tads.h:26, from ./engines/glk/tads/tads2/object.h:25, from ./engines/glk/tads/tads2/debug.h:26, from ./engines/glk/tads/tads2/run.h:35, from engines/glk/tads/tads2/data.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/tads/os_parse.o C++ engines/glk/tads/tads2/character_map.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/tads/tads2/os.h:31, from engines/glk/tads/tads2/character_map.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/tads/os_glk.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/glk/tads/os_frob_tads.h:32, from ./engines/glk/tads/os_glk.h:31, from engines/glk/tads/os_glk.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/tads/os_banners.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/glk/tads/os_frob_tads.h:32, from ./engines/glk/tads/os_glk.h:31, from ./engines/glk/tads/os_banners.h:31, from engines/glk/tads/os_banners.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/tads/tads2/error.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/glk/tads/os_frob_tads.h:32, from ./engines/glk/tads/tads2/error_handling.h:63, from engines/glk/tads/tads2/error.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/tads/tads2/list.o C++ engines/glk/tads/tads2/error_handling.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/glk/tads/os_frob_tads.h:32, from ./engines/glk/tads/tads2/error_handling.h:63, from engines/glk/tads/tads2/error_handling.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/tads/os_frob_tads.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/glk/tads/os_frob_tads.h:32, from engines/glk/tads/os_frob_tads.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/tads/tads2/error_message.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/glk/tads/os_frob_tads.h:32, from ./engines/glk/tads/tads2/error_handling.h:63, from engines/glk/tads/tads2/error_message.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/tads/tads2/debug.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/tads/tads.h:26, from ./engines/glk/tads/tads2/object.h:25, from ./engines/glk/tads/tads2/debug.h:26, from engines/glk/tads/tads2/debug.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/tads/tads2/get_string.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/tads/tads.h:26, from ./engines/glk/tads/tads2/text_io.h:31, from engines/glk/tads/tads2/get_string.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/tads/tads2/ltk.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/glk/tads/os_frob_tads.h:32, from ./engines/glk/tads/tads2/error_handling.h:63, from ./engines/glk/tads/tads2/ltk.h:30, from engines/glk/tads/tads2/ltk.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/tads/tads2/memory_cache_heap.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/glk/tads/os_frob_tads.h:32, from ./engines/glk/tads/tads2/error_handling.h:63, from ./engines/glk/tads/tads2/memory_cache_heap.h:34, from engines/glk/tads/tads2/memory_cache_heap.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/scott/scott.o In file included from ./common/config-manager.h:27, from engines/glk/scott/scott.cpp:33: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/tads/tads2/os.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/tads/tads2/os.h:31, from engines/glk/tads/tads2/os.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/tads/tads2/memory_cache_swap.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/glk/tads/os_frob_tads.h:32, from ./engines/glk/tads/tads2/error_handling.h:63, from ./engines/glk/tads/tads2/memory_cache_swap.h:34, from engines/glk/tads/tads2/memory_cache_swap.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/tads/tads2/runtime_app.o C++ engines/glk/tads/tads2/post_compilation.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/tads/tads.h:26, from ./engines/glk/tads/tads2/object.h:25, from ./engines/glk/tads/tads2/debug.h:26, from ./engines/glk/tads/tads2/run.h:35, from ./engines/glk/tads/tads2/post_compilation.h:28, from engines/glk/tads/tads2/post_compilation.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/tads/tads2/line_source_file.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/tads/tads.h:26, from ./engines/glk/tads/tads2/object.h:25, from ./engines/glk/tads/tads2/debug.h:26, from ./engines/glk/tads/tads2/line_source_file.h:26, from engines/glk/tads/tads2/line_source_file.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/tads/tads2/play.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/tads/tads.h:26, from ./engines/glk/tads/tads2/object.h:25, from ./engines/glk/tads/tads2/play.h:29, from engines/glk/tads/tads2/play.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/tads/tads2/memory_cache.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/glk/tads/os_frob_tads.h:32, from ./engines/glk/tads/tads2/error_handling.h:63, from ./engines/glk/tads/tads2/memory_cache_loader.h:34, from ./engines/glk/tads/tads2/memory_cache.h:30, from engines/glk/tads/tads2/memory_cache.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/tads/tads2/qa_scriptor.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/tads/tads.h:26, from ./engines/glk/tads/tads2/object.h:25, from ./engines/glk/tads/tads2/debug.h:26, from ./engines/glk/tads/tads2/run.h:35, from engines/glk/tads/tads2/qa_scriptor.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/tads/tads2/object.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/tads/tads.h:26, from ./engines/glk/tads/tads2/object.h:25, from engines/glk/tads/tads2/object.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/glk/tads/tads2/object.h:28: engines/glk/tads/tads2/object.cpp: In function 'void Glk::TADS::TADS2::obj1undo(mcmcxdef*, objucxdef*)': ./engines/glk/tads/tads2/property.h:60:21: warning: array subscript 0 is outside array bounds of 'Glk::TADS::TADS2::uchar [0]' [-Warray-bounds=] 60 | #define prpflg(p) (*(((uchar *)(p)) + 5)) | ~^~~~~~~~~~~~~~~~~~~~~~ engines/glk/tads/tads2/object.cpp:728:17: note: in expansion of macro 'prpflg' 728 | prpflg(objofsp(objptr, pofs)) &= ~PRPFIGN; /* no longer ignored */ | ^~~~~~ cc1plus: note: source object is likely at address zero C++ engines/glk/tads/tads2/file_io.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/glk/tads/os_frob_tads.h:32, from ./engines/glk/tads/tads2/error_handling.h:63, from ./engines/glk/tads/tads2/memory_cache_loader.h:34, from ./engines/glk/tads/tads2/file_io.h:30, from engines/glk/tads/tads2/file_io.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/tads/tads2/runstat.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/tads/tads2/os.h:31, from engines/glk/tads/tads2/runstat.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/tads/tads2/tads2.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/tads/tads.h:26, from ./engines/glk/tads/tads2/tads2.h:25, from engines/glk/tads/tads2/tads2.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/tads/tads2/tokenizer_hash.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/glk/tads/os_frob_tads.h:32, from ./engines/glk/tads/tads2/error_handling.h:63, from ./engines/glk/tads/tads2/tokenizer.h:26, from engines/glk/tads/tads2/tokenizer_hash.cpp:34: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/tads/tads2/regex.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/glk/tads/os_frob_tads.h:32, from ./engines/glk/tads/tads2/error_handling.h:63, from ./engines/glk/tads/tads2/regex.h:26, from engines/glk/tads/tads2/regex.cpp:69: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/tads/tads2/output.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/tads/tads.h:26, from ./engines/glk/tads/tads2/object.h:25, from ./engines/glk/tads/tads2/debug.h:26, from engines/glk/tads/tads2/output.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/tads/tads2/runtime_driver.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/tads/tads.h:26, from ./engines/glk/tads/tads2/object.h:25, from ./engines/glk/tads/tads2/debug.h:26, from ./engines/glk/tads/tads2/run.h:35, from ./engines/glk/tads/tads2/built_in.h:33, from engines/glk/tads/tads2/runtime_driver.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/tads/tads3/tads3.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/tads/tads.h:26, from ./engines/glk/tads/tads3/tads3.h:25, from engines/glk/tads/tads3/tads3.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/tads/tads2/execute_command.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/tads/tads.h:26, from ./engines/glk/tads/tads2/object.h:25, from ./engines/glk/tads/tads2/debug.h:26, from ./engines/glk/tads/tads2/run.h:35, from ./engines/glk/tads/tads2/built_in.h:33, from engines/glk/tads/tads2/execute_command.cpp:80: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/zcode/bitmap_font.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/glk/zcode/bitmap_font.h:26, from engines/glk/zcode/bitmap_font.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/tads/tads2/built_in.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/tads/tads.h:26, from ./engines/glk/tads/tads2/object.h:25, from ./engines/glk/tads/tads2/debug.h:26, from ./engines/glk/tads/tads2/run.h:35, from ./engines/glk/tads/tads2/built_in.h:33, from engines/glk/tads/tads2/built_in.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/tads/tads2/vocabulary.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/tads/tads.h:26, from ./engines/glk/tads/tads2/object.h:25, from ./engines/glk/tads/tads2/debug.h:26, from ./engines/glk/tads/tads2/run.h:35, from engines/glk/tads/tads2/vocabulary.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/zcode/config.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/glk/zcode/detection.h:25, from engines/glk/zcode/config.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/zcode/zcode.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/zcode/glk_interface.h:25, from ./engines/glk/zcode/processor.h:26, from ./engines/glk/zcode/zcode.h:25, from engines/glk/zcode/zcode.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/glk/zcode/processor.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/glk/tads/tads2/tokenizer.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/glk/tads/os_frob_tads.h:32, from ./engines/glk/tads/tads2/error_handling.h:63, from ./engines/glk/tads/tads2/tokenizer.h:26, from engines/glk/tads/tads2/tokenizer.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/zcode/pics_decoder.o In file included from ./common/archive.h:31, from ./engines/glk/zcode/pics.h:25, from engines/glk/zcode/pics_decoder.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/zcode/mem.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/zcode/glk_interface.h:25, from ./engines/glk/zcode/processor.h:26, from ./engines/glk/zcode/zcode.h:25, from engines/glk/zcode/mem.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/glk/zcode/processor.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/glk/zcode/processor_buffer.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/zcode/glk_interface.h:25, from ./engines/glk/zcode/processor.h:26, from engines/glk/zcode/processor_buffer.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/glk/zcode/processor.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/glk/zcode/processor_input.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/zcode/glk_interface.h:25, from ./engines/glk/zcode/processor.h:26, from engines/glk/zcode/processor_input.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/glk/zcode/processor.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/glk/zcode/processor_maths.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/zcode/glk_interface.h:25, from ./engines/glk/zcode/processor.h:26, from engines/glk/zcode/processor_maths.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/glk/zcode/processor.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/glk/zcode/pics.o In file included from ./common/archive.h:31, from ./engines/glk/zcode/pics.h:25, from engines/glk/zcode/pics.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/zcode/processor_mem.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/zcode/glk_interface.h:25, from ./engines/glk/zcode/processor.h:26, from engines/glk/zcode/processor_mem.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/glk/zcode/processor.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/glk/zcode/glk_interface.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/zcode/glk_interface.h:25, from engines/glk/zcode/glk_interface.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/zcode/processor.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/zcode/glk_interface.h:25, from ./engines/glk/zcode/processor.h:26, from engines/glk/zcode/processor.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/glk/zcode/processor.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/glk/zcode/processor_objects.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/zcode/glk_interface.h:25, from ./engines/glk/zcode/processor.h:26, from engines/glk/zcode/processor_objects.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/glk/zcode/processor.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/glk/zcode/processor_table.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/zcode/glk_interface.h:25, from ./engines/glk/zcode/processor.h:26, from engines/glk/zcode/processor_table.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/glk/zcode/processor.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/glk/zcode/processor_screen.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/zcode/glk_interface.h:25, from ./engines/glk/zcode/processor.h:26, from engines/glk/zcode/processor_screen.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/glk/zcode/processor.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/glk/tads/tads2/run.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/tads/tads.h:26, from ./engines/glk/tads/tads2/object.h:25, from ./engines/glk/tads/tads2/debug.h:26, from ./engines/glk/tads/tads2/run.h:35, from engines/glk/tads/tads2/run.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/zcode/processor_variables.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/zcode/glk_interface.h:25, from ./engines/glk/zcode/processor.h:26, from engines/glk/zcode/processor_variables.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/glk/zcode/processor.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/glk/zcode/processor_windows.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/zcode/glk_interface.h:25, from ./engines/glk/zcode/processor.h:26, from engines/glk/zcode/processor_windows.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/glk/zcode/processor.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/glk/zcode/processor_streams.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/zcode/glk_interface.h:25, from ./engines/glk/zcode/processor.h:26, from engines/glk/zcode/processor_streams.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/glk/zcode/processor.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/glk/zcode/screen.o In file included from ./common/archive.h:31, from ./engines/glk/screen.h:25, from ./engines/glk/zcode/screen.h:25, from engines/glk/zcode/screen.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/glk/zcode/processor.h:28, from ./engines/glk/zcode/zcode.h:25, from engines/glk/zcode/screen.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/glk/zcode/sound_folder.o In file included from ./common/archive.h:31, from ./engines/glk/zcode/sound_folder.h:26, from engines/glk/zcode/sound_folder.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/zcode/quetzal.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/glk/streams.h:26, from ./engines/glk/blorb.h:26, from ./engines/glk/quetzal.h:30, from ./engines/glk/zcode/quetzal.h:26, from engines/glk/zcode/quetzal.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/glk/zcode/processor.h:28, from engines/glk/zcode/quetzal.cpp:23: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/glk/zcode/processor_text.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/zcode/glk_interface.h:25, from ./engines/glk/zcode/processor.h:26, from engines/glk/zcode/processor_text.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/glk/zcode/processor.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/glk/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/glk/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/zcode/windows.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/glk/windows.h:27, from ./engines/glk/zcode/windows.h:25, from engines/glk/zcode/windows.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/glk/zcode/processor.h:28, from ./engines/glk/zcode/zcode.h:25, from engines/glk/zcode/windows.cpp:23: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/glk/advsys/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/glk/advsys/detection.h:25, from engines/glk/advsys/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/agt/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/glk/agt/detection.h:25, from engines/glk/agt/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/adrift/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/glk/adrift/detection.h:25, from engines/glk/adrift/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan2/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/glk/alan2/detection.h:25, from engines/glk/alan2/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/comprehend/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/glk/comprehend/detection.h:25, from engines/glk/comprehend/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/alan3/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/glk/alan3/detection.h:25, from engines/glk/alan3/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/archetype/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/glk/archetype/detection.h:25, from engines/glk/archetype/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/jacl/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/glk/jacl/detection.h:25, from engines/glk/jacl/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/glulx/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/glk/glulx/detection.h:25, from engines/glk/glulx/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/hugo/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/glk/hugo/detection.h:25, from engines/glk/hugo/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/magnetic/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/glk/magnetic/detection.h:25, from engines/glk/magnetic/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/quest/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/glk/quest/detection.h:25, from engines/glk/quest/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gnap/debugger.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/gnap/debugger.h:26, from engines/gnap/debugger.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/scott/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/glk/scott/detection.cpp:33: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gnap/datarchive.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/gnap/datarchive.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/level9/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/glk/level9/detection.h:25, from engines/glk/level9/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/tads/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/glk/tads/detection.h:25, from engines/glk/tads/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gnap/music.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/gnap/music.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gnap/resource.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/gnap/gnap.h:26, from engines/gnap/resource.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gnap/metaengine.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/gnap/gnap.h:26, from engines/gnap/metaengine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/tads/tads2/vocabulary_parser.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/glk/tads/os_frob_tads.h:32, from ./engines/glk/tads/tads2/error_handling.h:63, from ./engines/glk/tads/tads2/memory_cache_heap.h:34, from engines/glk/tads/tads2/vocabulary_parser.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gnap/scenes/groupcs.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/gnap/gnap.h:26, from engines/gnap/scenes/groupcs.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gnap/character.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/gnap/gnap.h:26, from engines/gnap/character.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/zcode/detection.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/glk/zcode/detection.h:25, from engines/glk/zcode/detection.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gnap/sound.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/gnap/gnap.h:26, from ./engines/gnap/sound.h:25, from engines/gnap/sound.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gnap/grid.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/gnap/gnap.h:26, from engines/gnap/grid.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gnap/menu.o In file included from ./common/config-manager.h:27, from engines/gnap/menu.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/backbuffer.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/backbuffer.h:25, from engines/gob/backbuffer.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/cheater.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/cheater.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/aniobject.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/gob/surface.h:28, from engines/gob/aniobject.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gnap/scenes/intro.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./video/avi_decoder.h:27, from engines/gnap/scenes/intro.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gnap/scenes/group5.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/gnap/gnap.h:26, from engines/gnap/scenes/group5.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gnap/gnap.o In file included from ./graphics/cursorman.h:26, from engines/gnap/gnap.cpp:22: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/cursorman.h:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gnap/scenes/scenecore.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/gnap/gnap.h:26, from engines/gnap/scenes/scenecore.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gnap/scenes/group3.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/gnap/gnap.h:26, from engines/gnap/scenes/group3.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/cheater_geisha.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from engines/gob/cheater_geisha.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/glk/quest/geas_runner.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/glk/glk.h:27, from ./engines/glk/glk_api.h:25, from ./engines/glk/quest/quest.h:27, from engines/glk/quest/geas_runner.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/anifile.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./common/substream.h:25, from engines/gob/anifile.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/cmpfile.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./common/substream.h:25, from engines/gob/cmpfile.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/console.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/gob/console.h:25, from engines/gob/console.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gnap/gamesys.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/gnap/gnap.h:26, from ./engines/gnap/gamesys.h:25, from engines/gnap/gamesys.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gnap/scenes/arcade.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/gnap/gnap.h:26, from engines/gnap/scenes/arcade.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/databases.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/gob/databases.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/dbase.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/dbase.h:25, from engines/gob/dbase.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gnap/scenes/group0.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/gnap/gnap.h:26, from engines/gnap/scenes/group0.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/dataio.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./common/substream.h:25, from engines/gob/dataio.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gnap/scenes/group4.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/gnap/gnap.h:26, from engines/gnap/scenes/group4.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gnap/scenes/group2.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/gnap/gnap.h:26, from engines/gnap/scenes/group2.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/draw_bargon.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/draw_bargon.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/decfile.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./common/substream.h:25, from engines/gob/decfile.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/draw_v1.o In file included from ./graphics/cursorman.h:26, from engines/gob/draw_v1.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/cursorman.h:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/global.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/global.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gnap/scenes/group1.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/gnap/gnap.h:26, from engines/gnap/scenes/group1.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/draw.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/draw.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/gob/script.h:26, from engines/gob/draw.cpp:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/gob/draw_v7.o In file included from ./graphics/cursorman.h:26, from engines/gob/draw_v7.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/cursorman.h:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/draw_playtoons.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/gob/video.h:26, from ./engines/gob/draw.h:25, from engines/gob/draw_playtoons.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/goblin_v3.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/goblin_v3.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/expression.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/expression.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/gob/script.h:26, from engines/gob/expression.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/gob/goblin_v1.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/goblin_v1.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/goblin_v4.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/goblin_v4.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/draw_v2.o In file included from ./graphics/cursorman.h:26, from engines/gob/draw_v2.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/cursorman.h:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/iniconfig.o C++ engines/gob/goblin_v2.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/goblin_v2.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/init_geisha.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/init_geisha.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/init_v1.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/init_v1.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/init_v2.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/init_v2.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/goblin_v7.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/gob/global.h:25, from engines/gob/goblin_v7.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/init.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/init.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/gob/script.h:26, from engines/gob/init.cpp:31: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/gob/init_fascin.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/init_fascin.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/init_v3.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/init_v3.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/game.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/game.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/gob/script.h:26, from engines/gob/game.cpp:30: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/gob/init_v4.o In file included from ./common/config-manager.h:27, from engines/gob/init_v4.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/init_v6.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/init_v6.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/init_v7.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from engines/gob/init_v7.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/draw_fascin.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/gob/video.h:26, from ./engines/gob/draw.h:25, from engines/gob/draw_fascin.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/gob.o In file included from ./common/debug-channels.h:30, from engines/gob/gob.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./gui/gui-manager.h:27, from engines/gob/gob.cpp:31: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/gob/goblin.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/goblin.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/inter_inca2.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/inter_inca2.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/gob/script.h:26, from engines/gob/inter_inca2.cpp:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/gob/inter.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/inter.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/gob/script.h:26, from engines/gob/inter.cpp:31: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/gob/inter_littlered.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/inter_littlered.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/gob/script.h:26, from engines/gob/inter_littlered.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/gob/inter_geisha.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/translation.h:26, from engines/gob/inter_geisha.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/gob/script.h:26, from engines/gob/inter_geisha.cpp:31: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/gob/inter_bargon.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/inter_bargon.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/inter_adibou1.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/gob/util.h:27, from ./engines/gob/goblin.h:25, from ./engines/gob/inter.h:28, from engines/gob/inter_adibou1.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/gob/script.h:26, from engines/gob/inter_adibou1.cpp:26: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/gob/inter_v3.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/gob/inter_v3.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/gob/script.h:26, from engines/gob/inter_v3.cpp:31: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/gob/inter_v4.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/inter_v4.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/gob/script.h:26, from engines/gob/inter_v4.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/gob/hotspots.o In file included from ./engines/gob/hotspots.h:25, from engines/gob/hotspots.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/gob/util.h:27, from ./engines/gob/hotspots.h:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/inter_fascin.o In file included from ./engines/gob/hotspots.h:25, from engines/gob/inter_fascin.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/gob/util.h:27, from ./engines/gob/hotspots.h:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/inter_v6.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/inter_v6.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/gob/script.h:26, from engines/gob/inter_v6.cpp:30: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/gob/metaengine.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/gob/metaengine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/inter_playtoons.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/translation.h:26, from engines/gob/inter_playtoons.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/gob/script.h:26, from engines/gob/inter_playtoons.cpp:36: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/gob/inter_v5.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/translation.h:26, from engines/gob/inter_v5.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/gob/script.h:26, from engines/gob/inter_v5.cpp:30: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/gob/palanim.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/palanim.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/map.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/map.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/map_v1.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/map_v1.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/rxyfile.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./common/substream.h:25, from engines/gob/rxyfile.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/mult.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/mult.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/gob/script.h:26, from engines/gob/mult.cpp:30: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/gob/scenery_v1.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/scenery_v1.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/scenery_v2.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/scenery_v2.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/map_v2.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/map_v2.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/gob/script.h:26, from engines/gob/map_v2.cpp:30: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/gob/inter_v2.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/translation.h:26, from engines/gob/inter_v2.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/gob/script.h:26, from engines/gob/inter_v2.cpp:36: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/gob/resources.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/resources.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/video_v1.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/video_v1.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/video_v2.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/video_v2.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/mult_v1.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/mult_v1.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/gob/script.h:26, from engines/gob/mult_v1.cpp:31: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/gob/totfile.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/totfile.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/variables.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/variables.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/video_v6.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/video_v6.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/script.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/script.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/gob/script.h:26, from engines/gob/script.cpp:26: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/gob/util.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/util.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/video.o In file included from ./graphics/cursorman.h:26, from engines/gob/video.cpp:26: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/cursorman.h:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/demos/batplayer.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/demos/batplayer.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/demos/demoplayer.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/gob/demos/demoplayer.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/mult_v2.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/mult_v2.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/gob/script.h:26, from engines/gob/mult_v2.cpp:31: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/gob/scenery.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/scenery.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/gob/script.h:26, from engines/gob/scenery.cpp:30: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/gob/inter_v7.o In file included from ./common/config-manager.h:27, from engines/gob/inter_v7.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/gob/inter_v7.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/gob/demos/scnplayer.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/demos/scnplayer.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/surface.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/gob/surface.h:28, from engines/gob/surface.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from engines/gob/surface.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/gob/pregob/onceupon/abracadabra.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/pregob/onceupon/abracadabra.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/pregob/onceupon/babayaga.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/pregob/onceupon/babayaga.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/inter_v1.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/inter_v1.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/gob/script.h:26, from engines/gob/inter_v1.cpp:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/gob/pregob/txtfile.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/gob/video.h:26, from ./engines/gob/draw.h:25, from engines/gob/pregob/txtfile.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/pregob/pregob.o In file included from ./graphics/cursorman.h:26, from engines/gob/pregob/pregob.cpp:22: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/cursorman.h:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/minigames/geisha/evilfish.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/aniobject.h:25, from ./engines/gob/minigames/geisha/evilfish.h:25, from engines/gob/minigames/geisha/evilfish.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/pregob/onceupon/title.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/pregob/onceupon/title.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/minigames/geisha/oko.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/aniobject.h:25, from ./engines/gob/minigames/geisha/oko.h:25, from engines/gob/minigames/geisha/oko.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/pregob/onceupon/chargenchild.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/gob/surface.h:28, from engines/gob/pregob/onceupon/chargenchild.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/videoplayer.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./video/video_decoder.h:25, from ./video/coktel_decoder.h:39, from engines/gob/videoplayer.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/pregob/onceupon/stork.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/pregob/onceupon/stork.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/minigames/geisha/mouth.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/aniobject.h:25, from ./engines/gob/minigames/geisha/mouth.h:25, from engines/gob/minigames/geisha/mouth.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/minigames/geisha/submarine.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/aniobject.h:25, from ./engines/gob/minigames/geisha/submarine.h:25, from engines/gob/minigames/geisha/submarine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/pregob/gctfile.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/gob/surface.h:28, from engines/gob/pregob/gctfile.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/pregob/onceupon/parents.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/pregob/onceupon/parents.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/minigames/geisha/meter.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/gob/surface.h:28, from engines/gob/minigames/geisha/meter.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/pregob/seqfile.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/pregob/seqfile.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/save/saveload.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/save/saveload.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/save/saveload_v2.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/gob/video.h:26, from ./engines/gob/save/savehandler.h:28, from ./engines/gob/save/saveload.h:26, from engines/gob/save/saveload_v2.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/save/saveload_geisha.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/gob/video.h:26, from ./engines/gob/save/savehandler.h:28, from ./engines/gob/save/saveload.h:26, from engines/gob/save/saveload_geisha.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/minigames/geisha/diving.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/gob/global.h:25, from engines/gob/minigames/geisha/diving.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/save/saveload_fascin.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/gob/video.h:26, from ./engines/gob/save/savehandler.h:28, from ./engines/gob/save/saveload.h:26, from engines/gob/save/saveload_fascin.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/save/saveload_adibou1.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/gob/video.h:26, from ./engines/gob/save/savehandler.h:28, from ./engines/gob/save/saveload.h:26, from engines/gob/save/saveload_adibou1.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/save/saveload_v4.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/gob/video.h:26, from ./engines/gob/save/savehandler.h:28, from ./engines/gob/save/saveload.h:26, from engines/gob/save/saveload_v4.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/save/saveload_v3.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/gob/video.h:26, from ./engines/gob/save/savehandler.h:28, from ./engines/gob/save/saveload.h:26, from engines/gob/save/saveload_v3.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/save/savehandler.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/save/savehandler.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/save/saveload_playtoons.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/gob/video.h:26, from ./engines/gob/save/savehandler.h:28, from ./engines/gob/save/saveload.h:26, from engines/gob/save/saveload_playtoons.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/save/saveload_inca2.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/gob/video.h:26, from ./engines/gob/save/savehandler.h:28, from ./engines/gob/save/saveload.h:26, from engines/gob/save/saveload_inca2.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/pregob/onceupon/onceupon.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/pregob/onceupon/onceupon.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/save/saveload_v6.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/gob/video.h:26, from ./engines/gob/save/savehandler.h:28, from ./engines/gob/save/saveload.h:26, from engines/gob/save/saveload_v6.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/sound/pcspeaker.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/softsynth/pcspk.h:26, from engines/gob/sound/pcspeaker.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/save/saveconverter_v2.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/save/saveconverter_v2.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/save/savefile.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/gob/save/savefile.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/sound/sounddesc.o C++ engines/gob/minigames/geisha/penetration.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from engines/gob/minigames/geisha/penetration.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/save/saveload_v7.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/gob/video.h:26, from ./engines/gob/save/savehandler.h:28, from ./engines/gob/save/saveload.h:26, from engines/gob/save/saveload_v7.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/save/saveconverter_v3.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/save/saveconverter_v3.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/save/saveconverter_v4.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/save/saveconverter_v4.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/sound/infogrames.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/gob/sound/infogrames.h:25, from engines/gob/sound/infogrames.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/sound/protracker.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/gob/sound/protracker.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/save/saveconverter.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/save/saveconverter.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/sound/soundmixer.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/gob/sound/soundmixer.h:25, from engines/gob/sound/soundmixer.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/sound/adlplayer.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/gob/sound/adlib.h:25, from ./engines/gob/sound/adlplayer.h:27, from engines/gob/sound/adlplayer.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/sound/soundblaster.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/gob/sound/soundblaster.h:25, from engines/gob/sound/soundblaster.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/griffon/console.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from engines/griffon/console.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/sound/bgatmosphere.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/gob/sound/bgatmosphere.h:26, from engines/gob/sound/bgatmosphere.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/sound/musplayer.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/gob/sound/adlib.h:25, from ./engines/gob/sound/musplayer.h:28, from engines/gob/sound/musplayer.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/sound/sound.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/gob/gob.h:26, from engines/gob/sound/sound.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/sound/cdrom.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./backends/audiocd/audiocd.h:25, from engines/gob/sound/cdrom.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/gob/sound/adlib.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/gob/sound/adlib.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/griffon/engine.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/griffon/griffon.h:40, from engines/griffon/engine.cpp:36: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/griffon/gfx.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/griffon/gfx.cpp:36: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/griffon/griffon.o In file included from ./common/config-manager.h:27, from engines/griffon/griffon.cpp:35: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/griffon/cutscenes.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/griffon/cutscenes.cpp:36: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/griffon/combat.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/griffon/griffon.h:40, from engines/griffon/combat.cpp:36: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/griffon/metaengine.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/griffon/metaengine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/costume/colormap_component.o In file included from ./common/archive.h:31, from ./engines/grim/resource.h:25, from engines/grim/costume/colormap_component.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/griffon/input.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/griffon/input.cpp:36: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/costume/chore.o C++ engines/griffon/sound.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/griffon/sound.cpp:40: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/costume/bitmap_component.o In file included from ./engines/engine.h:30, from ./engines/grim/grim.h:25, from engines/grim/costume/bitmap_component.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/costume/component.o C++ engines/griffon/dialogs.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/griffon/dialogs.cpp:36: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/costume/lua_var_component.o C++ engines/griffon/saveload.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/griffon/griffon.h:40, from engines/griffon/saveload.cpp:36: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/costume/main_model_component.o C++ engines/grim/costume/keyframe_component.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/grim/debug.h:25, from engines/grim/costume/keyframe_component.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/griffon/draw.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/griffon/draw.cpp:36: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/costume/head.o In file included from ./engines/engine.h:30, from ./engines/grim/grim.h:25, from engines/grim/costume/head.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/costume/material_component.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/grim/debug.h:25, from engines/grim/costume/material_component.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/costume/mesh_component.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/grim/debug.h:25, from engines/grim/costume/mesh_component.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/griffon/resources.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/griffon/resources.cpp:36: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/costume/sprite_component.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/grim/debug.h:25, from engines/grim/costume/sprite_component.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/emi/costume/emianim_component.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/grim/debug.h:25, from engines/grim/emi/costume/emianim_component.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/emi/costume/emiluavar_component.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/grim/emi/costume/emiluavar_component.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/costume/anim_component.o In file included from ./engines/engine.h:30, from ./engines/grim/grim.h:25, from engines/grim/costume/anim_component.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/emi/costume/emiluacode_component.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/grim/emi/costume/emiluacode_component.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/costume/sound_component.o In file included from ./engines/engine.h:30, from ./engines/grim/grim.h:25, from engines/grim/costume/sound_component.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/emi/costume/emimesh_component.o In file included from ./common/archive.h:31, from ./engines/grim/resource.h:25, from engines/grim/emi/costume/emimesh_component.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/emi/costume/emichore.o C++ engines/grim/costume/model_component.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/grim/debug.h:25, from engines/grim/costume/model_component.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/emi/costume/emisprite_component.o In file included from ./common/archive.h:31, from ./engines/grim/resource.h:25, from engines/grim/emi/costume/emisprite_component.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/emi/costume/emiskel_component.o In file included from ./common/archive.h:31, from ./engines/grim/resource.h:25, from engines/grim/emi/costume/emiskel_component.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/emi/costume/emitexi_component.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/grim/debug.h:25, from engines/grim/emi/costume/emitexi_component.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/emi/costume/emihead.o In file included from ./engines/engine.h:30, from ./engines/grim/grim.h:25, from engines/grim/emi/costume/emihead.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/emi/sound/aifftrack.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from engines/grim/emi/sound/aifftrack.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/emi/sound/scxtrack.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from engines/grim/emi/sound/scxtrack.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/emi/sound/vimatrack.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from engines/grim/emi/sound/vimatrack.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/emi/sound/track.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from engines/grim/emi/sound/track.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/emi/sound/mp3track.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from engines/grim/emi/sound/mp3track.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/emi/sound/codecs/scx.o C++ engines/grim/emi/layer.o C++ engines/grim/emi/poolsound.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/grim/emi/sound/emisound.h:25, from engines/grim/emi/poolsound.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/grim/emi/sound/emisound.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/grim/emi/animationemi.o In file included from ./common/archive.h:31, from ./engines/grim/resource.h:25, from engines/grim/emi/animationemi.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/imuse/imuse_tables.o C++ engines/grim/emi/skeleton.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/grim/debug.h:25, from engines/grim/emi/skeleton.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/griffon/logic.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/griffon/griffon.h:40, from engines/griffon/logic.cpp:36: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/imuse/imuse_music.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/grim/debug.h:25, from engines/grim/imuse/imuse_music.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/imuse/imuse_script.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./engines/grim/imuse/imuse.h:25, from engines/grim/imuse/imuse_script.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/emi/costumeemi.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/grim/debug.h:25, from engines/grim/emi/costumeemi.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/imuse/imuse_mcmp_mgr.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/grim/imuse/imuse_mcmp_mgr.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/emi/emi_registry.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/grim/debug.h:25, from engines/grim/emi/emi_registry.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/emi/lua_v2_sound.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from engines/grim/emi/lua_v2_sound.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/grim/emi/sound/emisound.h:28, from engines/grim/emi/lua_v2_sound.cpp:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/grim/imuse/imuse.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/grim/debug.h:25, from engines/grim/imuse/imuse.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/emi/emi.o In file included from ./engines/engine.h:30, from ./engines/grim/grim.h:25, from ./engines/grim/emi/emi.h:25, from engines/grim/emi/emi.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/lua/lbuffer.o C++ engines/grim/lua/lauxlib.o C++ engines/grim/lua/lfunc.o C++ engines/grim/emi/modelemi.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/grim/debug.h:25, from engines/grim/emi/modelemi.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/emi/lua_v2_actor.o In file included from ./common/debug-channels.h:30, from engines/grim/emi/lua_v2_actor.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/lua/lbuiltin.o C++ engines/grim/lua/lmathlib.o C++ engines/grim/lua/lmem.o C++ engines/grim/lua/lgc.o C++ engines/grim/lua/lobject.o C++ engines/grim/lua/lapi.o C++ engines/grim/imuse/imuse_track.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/grim/debug.h:25, from engines/grim/imuse/imuse_track.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/emi/sound/emisound.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from engines/grim/emi/sound/emisound.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/grim/emi/sound/emisound.h:28, from engines/grim/emi/sound/emisound.cpp:39: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/grim/imuse/imuse_sndmgr.o In file included from ./common/archive.h:31, from ./engines/grim/resource.h:25, from engines/grim/imuse/imuse_sndmgr.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/lua/ldo.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/grim/lua/ldo.cpp:34: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/emi/lua_v2.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/grim/emi/sound/emisound.h:25, from engines/grim/emi/lua_v2.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/grim/emi/sound/emisound.h:28: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/grim/lua/llex.o C++ engines/grim/lua/lstring.o C++ engines/grim/lua/ltable.o C++ engines/grim/lua/ltm.o C++ engines/grim/lua/lsave.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/grim/lua/lsave.cpp:5: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/lua/lzio.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/grim/lua/lzio.cpp:9: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/lua/lundump.o C++ engines/grim/lua/lstrlib.o engines/grim/lua/lstrlib.cpp: In function 'void Grim::str_rep()': engines/grim/lua/lstrlib.cpp:20:16: warning: 'char* __builtin_strncpy(char*, const char*, long unsigned int)' output truncated before terminating nul copying as many bytes from a string as its length [-Wstringop-truncation] 20 | strncpy(b, s, n); | ^ In function 'void Grim::addstr(const char*)', inlined from 'void Grim::str_rep()' at engines/grim/lua/lstrlib.cpp:75:9: engines/grim/lua/lstrlib.cpp:25:27: note: length computed here 25 | addnchar(s, strlen(s)); | ~~~~~~^~~ engines/grim/lua/lstrlib.cpp: In function 'void Grim::str_gsub()': engines/grim/lua/lstrlib.cpp:20:16: warning: 'char* __builtin_strncpy(char*, const char*, long unsigned int)' output truncated before terminating nul copying as many bytes from a string as its length [-Wstringop-truncation] 20 | strncpy(b, s, n); | ^ In function 'void Grim::addstr(const char*)', inlined from 'void Grim::str_gsub()' at engines/grim/lua/lstrlib.cpp:405:8: engines/grim/lua/lstrlib.cpp:25:27: note: length computed here 25 | addnchar(s, strlen(s)); | ~~~~~~^~~ C++ engines/grim/lua/lstate.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/grim/debug.h:25, from engines/grim/lua/lstate.cpp:16: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/lua/lrestore.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/grim/lua/lrestore.cpp:5: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/lua/liolib.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from engines/grim/lua/liolib.cpp:18: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/movie/codecs/vima.o C++ engines/grim/lua/ltask.o In file included from ./engines/engine.h:30, from ./engines/grim/grim.h:25, from engines/grim/lua/ltask.cpp:10: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/lua/lvm.o C++ engines/grim/movie/codecs/codec48.o C++ engines/grim/movie/codecs/blocky8.o C++ engines/grim/lua/lstx.o C++ engines/grim/movie/codecs/blocky16.o C++ engines/grim/movie/mpeg.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/grim/movie/mpeg.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/remastered/hotspot.o C++ engines/grim/movie/quicktime.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/grim/movie/quicktime.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/movie/movie.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/grim/movie/movie.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/remastered/commentary.o In file included from ./common/archive.h:31, from ./engines/grim/resource.h:25, from engines/grim/remastered/commentary.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/update/packfile.o C++ engines/grim/movie/smush.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./video/video_decoder.h:25, from ./engines/grim/movie/codecs/smush_decoder.h:27, from engines/grim/movie/smush.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/color.o C++ engines/grim/movie/bink.o In file included from ./common/archive.h:31, from engines/grim/movie/bink.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/remastered/overlay.o In file included from ./common/archive.h:31, from ./engines/grim/resource.h:25, from engines/grim/remastered/overlay.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/update/lang_filter.o In file included from ./common/archive.h:31, from ./engines/grim/update/lang_filter.h:25, from engines/grim/update/lang_filter.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/update/update.o In file included from ./common/archive.h:31, from engines/grim/update/update.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In destructor 'virtual Common::SearchSet::~SearchSet()', inlined from 'virtual Common::SearchSet::~SearchSet()' at ./common/archive.h:335:34, inlined from 'Common::Archive* Grim::loadUpdateArchive(Common::SeekableReadStream*)' at engines/grim/update/update.cpp:40:10: ./common/archive.h:335:41: warning: array subscript 'Common::SearchSet::__as_base [0]' is partly outside array bounds of 'unsigned char [24]' [-Warray-bounds=] 335 | virtual ~SearchSet() { clear(); } | ^ engines/grim/update/update.cpp: In function 'Common::Archive* Grim::loadUpdateArchive(Common::SeekableReadStream*)': engines/grim/update/update.cpp:36:80: note: object of size 24 allocated by 'operator new' 36 | Common::Archive *update = new LangFilter(cab, g_grim->getGameLanguage()); | ^ C++ engines/grim/colormap.o In file included from ./common/archive.h:31, from ./engines/grim/resource.h:25, from engines/grim/colormap.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/debug.o In file included from ./common/debug-channels.h:30, from engines/grim/debug.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/movie/codecs/smush_decoder.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from engines/grim/movie/codecs/smush_decoder.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/animation.o In file included from ./common/archive.h:31, from ./engines/grim/resource.h:25, from engines/grim/animation.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/update/mscab.o In file included from ./common/archive.h:31, from ./engines/grim/update/mscab.h:28, from engines/grim/update/mscab.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/grim_controls.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from engines/grim/grim_controls.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/remastered/lua_remastered.o In file included from ./common/config-manager.h:27, from engines/grim/remastered/lua_remastered.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/gfx_base.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/grim/gfx_base.h:29, from engines/grim/gfx_base.cpp:38: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/iris.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/grim/gfx_base.h:29, from engines/grim/iris.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/inputdialog.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/grim/inputdialog.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./gui/gui-manager.h:27, from engines/grim/inputdialog.cpp:25: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/grim/costume.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/grim/debug.h:25, from engines/grim/costume.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/lipsync.o In file included from ./engines/engine.h:30, from ./engines/grim/grim.h:25, from engines/grim/lipsync.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/bitmap.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/grim/debug.h:25, from engines/grim/bitmap.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/keyframe.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/grim/debug.h:25, from engines/grim/keyframe.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/localize.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/grim/localize.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/lab.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/grim/lab.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/font.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/font.h:27, from engines/grim/font.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/lua_v1_sound.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/grim/debug.h:25, from engines/grim/lua_v1_sound.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/lua_v1_graphics.o In file included from ./engines/engine.h:30, from ./engines/grim/grim.h:25, from engines/grim/lua_v1_graphics.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/lua.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/grim/lua.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/lua_v1_set.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/grim/debug.h:25, from engines/grim/lua_v1_set.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/metaengine.o In file included from ./engines/engine.h:30, from ./engines/grim/grim.h:25, from engines/grim/metaengine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/lua_v1_text.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/grim/lua_v1_text.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/objectstate.o In file included from ./common/archive.h:31, from ./engines/grim/resource.h:25, from engines/grim/objectstate.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/material.o In file included from ./engines/engine.h:30, from ./engines/grim/grim.h:25, from engines/grim/material.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/primitives.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/grim/gfx_base.h:29, from engines/grim/primitives.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/gfx_opengl.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/grim/gfx_opengl.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/lua_v1_actor.o In file included from ./engines/engine.h:30, from ./engines/grim/grim.h:25, from engines/grim/lua_v1_actor.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/patchr.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./common/substream.h:25, from engines/grim/patchr.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/sound.o In file included from ./engines/engine.h:30, from ./engines/grim/grim.h:25, from engines/grim/sound.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/grim/emi/sound/emisound.h:28, from engines/grim/sound.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/grim/registry.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from engines/grim/registry.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/object.o C++ engines/grim/savegame.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/grim/savegame.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/lua_v1.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/grim/lua_v1.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/sprite.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/grim/debug.h:25, from engines/grim/sprite.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/textsplit.o C++ engines/grim/debugger.o In file included from ./common/config-manager.h:27, from engines/grim/debugger.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/model.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/grim/debug.h:25, from engines/grim/model.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/md5checkdialog.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/grim/md5checkdialog.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./gui/gui-manager.h:27, from engines/grim/md5checkdialog.cpp:25: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/groovie/video/player.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/groovie/video/player.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/sector.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/grim/debug.h:25, from engines/grim/sector.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/groovie/logic/cell.o In file included from ./common/config-manager.h:27, from engines/groovie/logic/cell.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/textobject.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/grim/debug.h:25, from engines/grim/textobject.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/groovie/debug.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/groovie/debug.h:25, from engines/groovie/debug.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/md5check.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/grim/md5check.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/gfx_opengl_shaders.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/grim/gfx_opengl_shaders.cpp:39: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/grim/gfx_opengl_shaders.h:30, from engines/grim/gfx_opengl_shaders.cpp:54: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from /usr/include/string.h:548, from ./common/scummsys.h:121, from ./common/endian.h:25, from engines/grim/gfx_opengl_shaders.cpp:38: In function 'void* memcpy(void*, const void*, size_t)', inlined from 'void Math::MatrixBase::setData(const float*) [with int rows = 4; int cols = 4]' at ./math/matrix.h:248:10, inlined from 'Math::MatrixBase::MatrixBase(const Math::MatrixBase&) [with int rows = 4; int cols = 4]' at ./math/matrix.h:224:9, inlined from 'Math::MatrixType<4, 4>::MatrixType(const Math::MatrixType<4, 4>&)' at ./math/squarematrix.h:36:7, inlined from 'Math::Matrix<4, 4>::Matrix(const Math::Matrix<4, 4>&)' at ./math/matrix4.h:35:7, inlined from 'Type* Common::uninitialized_copy(In, In, Type*) [with In = Math::Matrix<4, 4>*; Type = Math::Matrix<4, 4>]' at ./common/memory.h:61:3, inlined from 'T* Common::Array::insert_aux(iterator, const_iterator, const_iterator) [with T = Math::Matrix<4, 4>]' at ./common/array.h:486:23: /usr/include/bits/string_fortified.h:29:33: warning: 'void* __builtin_memcpy(void*, const void*, long unsigned int)' offset [0, 63] is out of the bounds [0, 0] [-Warray-bounds=] 29 | return __builtin___memcpy_chk (__dest, __src, __len, | ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ 30 | __glibc_objsize0 (__dest)); | ~~~~~~~~~~~~~~~~~~~~~~~~~~ C++ engines/grim/actor.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/grim/debug.h:25, from engines/grim/actor.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/groovie/font.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/font.h:27, from ./engines/groovie/font.h:26, from engines/groovie/font.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/groovie/lzss.o C++ engines/groovie/graphics.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/groovie/debug.h:25, from ./engines/groovie/groovie.h:25, from engines/groovie/graphics.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/groovie/video/vdx.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/groovie/video/player.h:25, from ./engines/groovie/video/vdx.h:25, from engines/groovie/video/vdx.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/groovie/metaengine.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/groovie/debug.h:25, from ./engines/groovie/groovie.h:25, from engines/groovie/metaengine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/groovie/cursor.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/groovie/cursor.h:26, from engines/groovie/cursor.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/groovie/cursor.cpp:30: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/grim/resource.o In file included from ./common/archive.h:31, from ./engines/grim/resource.h:25, from engines/grim/resource.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/groovie/groovie.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/groovie/debug.h:25, from ./engines/groovie/groovie.h:25, from engines/groovie/groovie.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/groovie/logic/gallery.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/groovie/debug.h:25, from ./engines/groovie/groovie.h:25, from engines/groovie/logic/gallery.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/groovie/logic/cake.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/groovie/debug.h:25, from ./engines/groovie/groovie.h:25, from engines/groovie/logic/cake.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/gfx_tinygl.o In file included from ./common/config-manager.h:27, from engines/grim/gfx_tinygl.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/groovie/resource.o In file included from ./common/archive.h:31, from engines/groovie/resource.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/groovie/saveload.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/groovie/debug.h:25, from ./engines/groovie/groovie.h:25, from engines/groovie/saveload.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/groovie/logic/beehive.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/groovie/debug.h:25, from ./engines/groovie/groovie.h:25, from engines/groovie/logic/beehive.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/set.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/grim/debug.h:25, from engines/grim/set.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/grim/emi/sound/emisound.h:28, from engines/grim/set.cpp:32: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/groovie/logic/mousetrap.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/groovie/debug.h:25, from ./engines/groovie/groovie.h:25, from engines/groovie/logic/mousetrap.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/groovie/music.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from engines/groovie/music.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/baptr.o C++ engines/hadesch/metaengine.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/hadesch/metaengine.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/groovie/logic/othello.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/groovie/logic/othello.h:32, from engines/groovie/logic/othello.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/groovie/logic/winerack.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/groovie/debug.h:25, from ./engines/groovie/groovie.h:25, from engines/groovie/logic/winerack.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/groovie/logic/pente.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/groovie/logic/pente.h:32, from engines/groovie/logic/pente.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from engines/groovie/logic/pente.cpp:29: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/hadesch/tag_file.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/hadesch/tag_file.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/groovie/logic/triangle.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/groovie/debug.h:25, from ./engines/groovie/groovie.h:25, from engines/groovie/logic/triangle.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/groovie/logic/tlcgame.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/groovie/debug.h:25, from ./engines/groovie/groovie.h:25, from engines/groovie/logic/tlcgame.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' engines/groovie/logic/tlcgame.cpp: In member function 'void Groovie::TlcGame::tatResultQuest()': engines/groovie/logic/tlcgame.cpp:915:90: warning: iteration 8 invokes undefined behavior [-Waggressive-loop-optimizations] 915 | int score = _tatQuestions[questIdx].answerData[selectedAns].binScore[iBin]; | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^ engines/groovie/logic/tlcgame.cpp:914:33: note: within this loop 914 | for (int iBin = 0; iBin < 16; iBin++) { | ~~~~~^~~~ engines/groovie/logic/tlcgame.cpp: In member function 'void Groovie::TlcGame::tatLoadDB()': engines/groovie/logic/tlcgame.cpp:870:87: warning: iteration 8 invokes undefined behavior [-Waggressive-loop-optimizations] 870 | _tatQuestions[iQuest].answerData[iAns].binScore[iBin] = tataidbfile->readByte(); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~ engines/groovie/logic/tlcgame.cpp:869:49: note: within this loop 869 | for (int iBin = 0; iBin < 16; iBin++) { | ~~~~~^~~~ C++ engines/hadesch/pod_file.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/hadesch/pod_file.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/grim/grim.o In file included from ./common/archive.h:31, from engines/grim/grim.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./gui/gui-manager.h:27, from engines/grim/grim.cpp:47: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/hadesch/pod_image.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/hadesch/pod_image.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/rooms/olympus.o In file included from ./engines/engine.h:30, from ./engines/hadesch/hadesch.h:31, from engines/hadesch/rooms/olympus.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/groovie/video/roq.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/groovie/video/player.h:25, from ./engines/groovie/video/roq.h:25, from engines/groovie/video/roq.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/rooms/argo.o In file included from ./engines/engine.h:30, from ./engines/hadesch/hadesch.h:31, from engines/hadesch/rooms/argo.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/groovie/script.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/groovie/debug.h:25, from ./engines/groovie/groovie.h:25, from ./engines/groovie/script.h:25, from engines/groovie/script.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/rooms/daedalus.o In file included from ./engines/engine.h:30, from ./engines/hadesch/hadesch.h:31, from engines/hadesch/rooms/daedalus.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/rooms/minos.o In file included from ./engines/engine.h:30, from ./engines/hadesch/hadesch.h:31, from engines/hadesch/rooms/minos.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/rooms/seriphos.o In file included from ./engines/engine.h:30, from ./engines/hadesch/hadesch.h:31, from engines/hadesch/rooms/seriphos.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/rooms/minotaur.o In file included from ./engines/engine.h:30, from ./engines/hadesch/hadesch.h:31, from engines/hadesch/rooms/minotaur.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/rooms/priam.o In file included from ./engines/engine.h:30, from ./engines/hadesch/hadesch.h:31, from engines/hadesch/rooms/priam.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/rooms/hadesthrone.o In file included from ./engines/engine.h:30, from ./engines/hadesch/hadesch.h:31, from engines/hadesch/rooms/hadesthrone.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/rooms/credits.o In file included from ./engines/engine.h:30, from ./engines/hadesch/hadesch.h:31, from engines/hadesch/rooms/credits.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/rooms/athena.o In file included from ./engines/engine.h:30, from ./engines/hadesch/hadesch.h:31, from engines/hadesch/rooms/athena.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/rooms/volcano.o In file included from ./engines/engine.h:30, from ./engines/hadesch/hadesch.h:31, from engines/hadesch/rooms/volcano.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/rooms/intro.o In file included from ./engines/engine.h:30, from ./engines/hadesch/hadesch.h:31, from engines/hadesch/rooms/intro.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/rooms/catacombs.o In file included from ./engines/engine.h:30, from ./engines/hadesch/hadesch.h:31, from engines/hadesch/rooms/catacombs.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/rooms/quiz.o In file included from ./engines/engine.h:30, from ./engines/hadesch/hadesch.h:31, from engines/hadesch/rooms/quiz.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/rooms/walloffame.o In file included from ./engines/engine.h:30, from ./engines/hadesch/hadesch.h:31, from engines/hadesch/rooms/walloffame.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/rooms/medisle.o In file included from ./engines/engine.h:30, from ./engines/hadesch/hadesch.h:31, from engines/hadesch/rooms/medisle.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/rooms/medusa.o In file included from ./engines/engine.h:30, from ./engines/hadesch/hadesch.h:31, from engines/hadesch/rooms/medusa.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/rooms/trojan.o In file included from ./engines/engine.h:30, from ./engines/hadesch/hadesch.h:31, from engines/hadesch/rooms/trojan.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/rooms/troy.o In file included from ./engines/engine.h:30, from ./engines/hadesch/hadesch.h:31, from engines/hadesch/rooms/troy.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/rooms/riverstyx.o In file included from ./engines/engine.h:30, from ./engines/hadesch/hadesch.h:31, from engines/hadesch/rooms/riverstyx.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/gfx_context.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/hadesch/gfx_context.h:27, from engines/hadesch/gfx_context.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/hadesch.o In file included from ./common/debug-channels.h:30, from engines/hadesch/hadesch.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/hadesch/hadesch.cpp:56: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/hadesch/rooms/monster/projectile.o In file included from ./engines/engine.h:30, from ./engines/hadesch/hadesch.h:31, from engines/hadesch/rooms/monster/projectile.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/rooms/monster/cyclops.o In file included from ./engines/engine.h:30, from ./engines/hadesch/hadesch.h:31, from engines/hadesch/rooms/monster/cyclops.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/rooms/crete.o In file included from ./engines/engine.h:30, from ./engines/hadesch/hadesch.h:31, from engines/hadesch/rooms/crete.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/rooms/monster/illusion.o In file included from ./engines/engine.h:30, from ./engines/hadesch/hadesch.h:31, from engines/hadesch/rooms/monster/illusion.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/rooms/monster.o In file included from ./engines/engine.h:30, from ./engines/hadesch/hadesch.h:31, from engines/hadesch/rooms/monster.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/rooms/monster/typhoon.o In file included from ./engines/engine.h:30, from ./engines/hadesch/hadesch.h:31, from engines/hadesch/rooms/monster/typhoon.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/rooms/options.o In file included from ./engines/engine.h:30, from ./engines/hadesch/hadesch.h:31, from engines/hadesch/rooms/options.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/hotzone.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/hadesch/hotzone.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/table.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/hadesch/table.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/video.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/hadesch/video.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/rooms/ferry.o In file included from ./engines/engine.h:30, from ./engines/hadesch/hadesch.h:31, from engines/hadesch/rooms/ferry.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hdb/ai-use.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hdb/hdb.h:26, from engines/hdb/ai-use.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/persistent.o In file included from ./common/debug-channels.h:30, from engines/hadesch/persistent.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/herobelt.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/hadesch/herobelt.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hdb/ai-inventory.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hdb/hdb.h:26, from engines/hdb/ai-inventory.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hdb/ai-waypoint.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hdb/hdb.h:26, from engines/hdb/ai-waypoint.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hadesch/ambient.o In file included from ./engines/engine.h:30, from ./engines/hadesch/hadesch.h:31, from engines/hadesch/ambient.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hdb/file-manager.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/hdb/file-manager.cpp:21: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hdb/ai-lists.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hdb/hdb.h:26, from engines/hdb/ai-lists.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hdb/input.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hdb/hdb.h:26, from engines/hdb/input.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hdb/ai-player.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hdb/hdb.h:26, from engines/hdb/ai-player.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hdb/ai-funcs.o In file included from ./common/config-manager.h:27, from engines/hdb/ai-funcs.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hdb/ai-cinematic.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hdb/hdb.h:26, from engines/hdb/ai-cinematic.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hdb/hdb.o In file included from ./common/config-manager.h:27, from engines/hdb/hdb.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hdb/ai-bots.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hdb/hdb.h:26, from engines/hdb/ai-bots.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hdb/sound.o In file included from ./common/config-manager.h:27, from engines/hdb/sound.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hdb/metaengine.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./base/plugins.h:26, from engines/hdb/metaengine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hopkins/debugger.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/hopkins/debugger.h:26, from engines/hopkins/debugger.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hdb/saveload.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hdb/hdb.h:26, from engines/hdb/saveload.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hdb/ai-init.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hdb/hdb.h:26, from engines/hdb/ai-init.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hopkins/anim.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/hopkins/globals.h:28, from engines/hopkins/anim.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hdb/lua-script.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/hdb/lua-script.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hopkins/files.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/hopkins/computer.h:27, from ./engines/hopkins/hopkins.h:26, from engines/hopkins/files.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hdb/menu.o In file included from ./common/config-manager.h:27, from engines/hdb/menu.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hopkins/computer.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/hopkins/computer.h:27, from engines/hopkins/computer.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hopkins/globals.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/hopkins/globals.h:28, from engines/hopkins/globals.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hdb/map.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hdb/hdb.h:26, from engines/hdb/map.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hopkins/events.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/hopkins/events.h:26, from engines/hopkins/events.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/hopkins/events.cpp:31: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/hopkins/menu.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hopkins/menu.h:26, from engines/hopkins/menu.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hopkins/font.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/hopkins/font.h:26, from engines/hopkins/font.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/string.o C++ engines/hopkins/dialogs.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hopkins/dialogs.h:26, from engines/hopkins/dialogs.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hdb/gfx.o In file included from ./graphics/cursorman.h:26, from engines/hdb/gfx.cpp:25: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' In file included from ./graphics/cursorman.h:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' engines/hdb/gfx.cpp: In member function 'void HDB::Gfx::init()': engines/hdb/gfx.cpp:244:32: warning: 'char* __builtin___strncpy_chk(char*, const char*, long unsigned int, long unsigned int)' specified bound depends on the length of the source argument [-Wstringop-truncation] 244 | strncpy(search, _tLookupArray[index].filename, strlen(_tLookupArray[index].filename) - 2); | ^ engines/hdb/gfx.cpp:244:78: note: length computed here 244 | strncpy(search, _tLookupArray[index].filename, strlen(_tLookupArray[index].filename) - 2); | ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ C++ engines/hpl1/graphics.o In file included from ./common/config-manager.h:27, from engines/hpl1/graphics.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hopkins/metaengine.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/hopkins/computer.h:27, from ./engines/hopkins/hopkins.h:26, from engines/hopkins/metaengine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/opengl.o In file included from ./graphics/opengl/context.h:25, from ./engines/hpl1/opengl.h:27, from engines/hpl1/opengl.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hopkins/saveload.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/hopkins/globals.h:28, from ./engines/hopkins/saveload.h:25, from engines/hopkins/saveload.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/ai/AI.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from engines/hpl1/engine/ai/AI.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hdb/window.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hdb/hdb.h:26, from engines/hdb/window.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/game/GameTypes.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from engines/hpl1/engine/game/GameTypes.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/ai/StateMachine.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/StateMachine.h:31, from engines/hpl1/engine/ai/StateMachine.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hopkins/talk.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/hopkins/globals.h:28, from engines/hopkins/talk.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/ai/AINodeGenerator.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AINodeGenerator.h:31, from engines/hpl1/engine/ai/AINodeGenerator.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hopkins/graphics.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/hopkins/graphics.h:28, from engines/hopkins/graphics.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hopkins/sound.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/hopkins/sound.h:27, from engines/hopkins/sound.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/ai/AStar.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AStar.h:32, from engines/hpl1/engine/ai/AStar.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/game/SaveGame.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from engines/hpl1/engine/game/SaveGame.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/Animation.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/math/Math.h:31, from engines/hpl1/engine/graphics/Animation.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/game/Game.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/physics/PhysicsJoint.h:35, from ./engines/hpl1/engine/game/ScriptFuncs.h:31, from engines/hpl1/engine/game/Game.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/ai/AINodeContainer.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/physics/PhysicsWorld.h:38, from ./engines/hpl1/engine/ai/AINodeContainer.h:36, from engines/hpl1/engine/ai/AINodeContainer.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/AnimationTrack.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/math/Math.h:31, from engines/hpl1/engine/graphics/AnimationTrack.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/game/Updater.o C++ engines/hpl1/engine/game/low_level_game_setup.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/game/low_level_game_setup.h:31, from engines/hpl1/engine/game/low_level_game_setup.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/BackgroundImage.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/BackgroundImage.h:32, from engines/hpl1/engine/graphics/BackgroundImage.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hopkins/script.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/hopkins/globals.h:28, from ./engines/hopkins/objects.h:25, from engines/hopkins/script.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hopkins/hopkins.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/hopkins/computer.h:27, from ./engines/hopkins/hopkins.h:26, from engines/hopkins/hopkins.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/BoneState.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/scene/Node.h:32, from ./engines/hpl1/engine/scene/Node3D.h:33, from ./engines/hpl1/engine/graphics/BoneState.h:31, from engines/hpl1/engine/graphics/BoneState.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/GPUProgram.o C++ engines/hpl1/engine/graphics/Color.o C++ engines/hpl1/engine/graphics/Bone.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/math/Math.h:31, from engines/hpl1/engine/graphics/Bone.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hopkins/lines.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/hopkins/globals.h:28, from ./engines/hopkins/lines.h:25, from engines/hopkins/lines.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/GfxObject.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from engines/hpl1/engine/graphics/GfxObject.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/Beam.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/RenderList.h:32, from ./engines/hpl1/engine/graphics/Beam.h:31, from engines/hpl1/engine/graphics/Beam.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/MaterialHandler.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/MaterialHandler.h:31, from engines/hpl1/engine/graphics/MaterialHandler.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/Graphics.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/BackgroundImage.h:32, from ./engines/hpl1/engine/graphics/GraphicsDrawer.h:33, from engines/hpl1/engine/graphics/Graphics.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/Material_Additive.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/Material_Additive.h:32, from engines/hpl1/engine/graphics/Material_Additive.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/Material.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from engines/hpl1/engine/graphics/Material.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/BillBoard.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/RenderList.h:32, from ./engines/hpl1/engine/graphics/BillBoard.h:31, from engines/hpl1/engine/graphics/BillBoard.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/Material_Alpha.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/Material_Alpha.h:32, from engines/hpl1/engine/graphics/Material_Alpha.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hopkins/objects.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/hopkins/globals.h:28, from ./engines/hopkins/objects.h:25, from engines/hopkins/objects.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/Material_BaseLight.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/Material_BaseLight.h:32, from engines/hpl1/engine/graphics/Material_BaseLight.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/font_data.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/BackgroundImage.h:32, from ./engines/hpl1/engine/graphics/GraphicsDrawer.h:33, from engines/hpl1/engine/graphics/font_data.cpp:33: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/game/ScriptFuncs.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/physics/PhysicsJoint.h:35, from ./engines/hpl1/engine/game/ScriptFuncs.h:31, from engines/hpl1/engine/game/ScriptFuncs.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/Material_Bump.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/Material_BaseLight.h:32, from ./engines/hpl1/engine/graphics/Material_Bump.h:31, from engines/hpl1/engine/graphics/Material_Bump.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/Material_BumpColorSpec.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/Material_BaseLight.h:32, from ./engines/hpl1/engine/graphics/Material_BumpColorSpec.h:31, from engines/hpl1/engine/graphics/Material_BumpColorSpec.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/Material_BumpSpec.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/Material_BaseLight.h:32, from ./engines/hpl1/engine/graphics/Material_BumpSpec.h:31, from engines/hpl1/engine/graphics/Material_BumpSpec.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/ImageEntityData.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from engines/hpl1/engine/graphics/ImageEntityData.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/Material_BumpSpec2D.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/Material_BumpSpec2D.h:32, from engines/hpl1/engine/graphics/Material_BumpSpec2D.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/GraphicsDrawer.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/BackgroundImage.h:32, from ./engines/hpl1/engine/graphics/GraphicsDrawer.h:33, from engines/hpl1/engine/graphics/GraphicsDrawer.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/Material_DiffuseAdditive2D.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/Material_DiffuseAdditive2D.h:31, from engines/hpl1/engine/graphics/Material_DiffuseAdditive2D.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/Material_DiffuseAlpha2D.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/Material_DiffuseAlpha2D.h:31, from engines/hpl1/engine/graphics/Material_DiffuseAlpha2D.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/Material_Diffuse.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/Material_BaseLight.h:32, from ./engines/hpl1/engine/graphics/Material_Diffuse.h:31, from engines/hpl1/engine/graphics/Material_Diffuse.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/Material_Diffuse2D.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/Material_Diffuse2D.h:31, from engines/hpl1/engine/graphics/Material_Diffuse2D.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/ParticleEmitter2D.o C++ engines/hpl1/engine/graphics/Material_DiffuseSpec.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/Material_BaseLight.h:32, from ./engines/hpl1/engine/graphics/Material_DiffuseSpec.h:31, from engines/hpl1/engine/graphics/Material_DiffuseSpec.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/Material_EnvMap_Reflect.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/Material_EnvMap_Reflect.h:31, from engines/hpl1/engine/graphics/Material_EnvMap_Reflect.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/Material_FontNormal.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/Material_FontNormal.h:31, from engines/hpl1/engine/graphics/Material_FontNormal.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/Material_Fallback01_BaseLight.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/Material_Fallback01_BaseLight.h:32, from engines/hpl1/engine/graphics/Material_Fallback01_BaseLight.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/Material_Flat.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/Material_Flat.h:32, from engines/hpl1/engine/graphics/Material_Flat.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/Material_Fallback02_BaseLight.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/Material_Fallback02_BaseLight.h:31, from engines/hpl1/engine/graphics/Material_Fallback02_BaseLight.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/Material_Modulative.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/Material_Modulative.h:32, from engines/hpl1/engine/graphics/Material_Modulative.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/Material_Smoke2D.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/Material_Smoke2D.h:31, from engines/hpl1/engine/graphics/Material_Smoke2D.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/Material_ModulativeX2.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/Material_ModulativeX2.h:32, from engines/hpl1/engine/graphics/Material_ModulativeX2.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/Material_Water.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/Material_Water.h:32, from engines/hpl1/engine/graphics/Material_Water.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/ParticleEmitter.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/ParticleEmitter.h:34, from engines/hpl1/engine/graphics/ParticleEmitter.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/MeshCreator.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from engines/hpl1/engine/graphics/MeshCreator.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/RenderObject2D.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/RenderObject2D.h:32, from engines/hpl1/engine/graphics/RenderObject2D.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/Mesh2d.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/math/Math.h:31, from engines/hpl1/engine/graphics/Mesh2d.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/Renderable.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/scene/Entity.h:31, from ./engines/hpl1/engine/scene/Entity3D.h:32, from ./engines/hpl1/engine/graphics/Renderable.h:33, from engines/hpl1/engine/graphics/Renderable.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/RenderState.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/RenderState.h:33, from engines/hpl1/engine/graphics/RenderState.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/Skeleton.o C++ engines/hpl1/engine/graphics/ParticleEmitter3D.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/ParticleEmitter.h:34, from ./engines/hpl1/engine/graphics/ParticleEmitter3D.h:31, from engines/hpl1/engine/graphics/ParticleEmitter3D.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/SubMesh.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/math/MeshTypes.h:31, from ./engines/hpl1/engine/graphics/SubMesh.h:33, from engines/hpl1/engine/graphics/SubMesh.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/ParticleEmitter3D_UserData.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/ParticleEmitter.h:34, from ./engines/hpl1/engine/graphics/ParticleEmitter3D.h:31, from ./engines/hpl1/engine/graphics/ParticleEmitter3D_UserData.h:31, from engines/hpl1/engine/graphics/ParticleEmitter3D_UserData.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/bitmap2D.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/hpl1/engine/graphics/bitmap2D.h:32, from engines/hpl1/engine/graphics/bitmap2D.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/gui/GuiMaterialBasicTypes.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from engines/hpl1/engine/gui/GuiMaterialBasicTypes.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/gui/GuiPopUp.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/math/Math.h:31, from engines/hpl1/engine/gui/GuiPopUp.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/ParticleSystem3D.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/RenderList.h:32, from ./engines/hpl1/engine/graphics/ParticleSystem3D.h:31, from engines/hpl1/engine/graphics/ParticleSystem3D.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/gui/GuiPopUpMessageBox.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/math/Math.h:31, from engines/hpl1/engine/gui/GuiPopUpMessageBox.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/gui/GuiGfxElement.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/math/Math.h:31, from engines/hpl1/engine/gui/GuiGfxElement.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/RendererPostEffects.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/hpl1/debug.h:25, from engines/hpl1/engine/graphics/RendererPostEffects.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/gui/WidgetBaseClasses.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/math/Math.h:31, from engines/hpl1/engine/gui/WidgetBaseClasses.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/gui/WidgetButton.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/math/Math.h:31, from engines/hpl1/engine/gui/WidgetButton.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/gui/WidgetCheckBox.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/math/Math.h:31, from engines/hpl1/engine/gui/WidgetCheckBox.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/gui/GuiSkin.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/hpl1/engine/impl/tinyXML/tinyxml.h:34, from engines/hpl1/engine/gui/GuiSkin.cpp:33: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/Renderer3D.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/Renderer3D.h:33, from engines/hpl1/engine/graphics/Renderer3D.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/Renderer2D.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/Renderer2D.h:33, from engines/hpl1/engine/graphics/Renderer2D.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/gui/WidgetFrame.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/math/Math.h:31, from engines/hpl1/engine/gui/WidgetFrame.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/gui/WidgetImage.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/math/Math.h:31, from engines/hpl1/engine/gui/WidgetImage.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/gui/Widget.o C++ engines/hpl1/engine/gui/WidgetComboBox.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/math/Math.h:31, from engines/hpl1/engine/gui/WidgetComboBox.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/gui/WidgetLabel.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/math/Math.h:31, from engines/hpl1/engine/gui/WidgetLabel.cpp:35: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/gui/WidgetListBox.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/math/Math.h:31, from engines/hpl1/engine/gui/WidgetListBox.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/impl/CharacterBodyNewton.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/physics/PhysicsWorld.h:38, from ./engines/hpl1/engine/physics/CharacterBody.h:32, from ./engines/hpl1/engine/impl/CharacterBodyNewton.h:32, from engines/hpl1/engine/impl/CharacterBodyNewton.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/impl/LowLevelPhysicsNewton.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/physics/PhysicsWorld.h:38, from ./engines/hpl1/engine/impl/PhysicsWorldNewton.h:31, from engines/hpl1/engine/impl/LowLevelPhysicsNewton.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/gui/WidgetSlider.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/math/Math.h:31, from engines/hpl1/engine/gui/WidgetSlider.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/gui/WidgetWindow.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/math/Math.h:31, from engines/hpl1/engine/gui/WidgetWindow.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/Mesh.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/physics/CollideShape.h:31, from ./engines/hpl1/engine/graphics/Mesh.h:36, from engines/hpl1/engine/graphics/Mesh.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/gui/WidgetTextBox.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/math/Math.h:31, from engines/hpl1/engine/gui/WidgetTextBox.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/impl/CollideShapeNewton.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/physics/CollideShape.h:31, from ./engines/hpl1/engine/impl/CollideShapeNewton.h:32, from engines/hpl1/engine/impl/CollideShapeNewton.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/graphics/RenderList.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/RenderList.h:32, from engines/hpl1/engine/graphics/RenderList.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/gui/GuiSet.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/math/Math.h:31, from engines/hpl1/engine/gui/GuiSet.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/impl/OcclusionQueryOGL.o In file included from ./graphics/opengl/context.h:25, from ./engines/hpl1/opengl.h:27, from engines/hpl1/engine/impl/OcclusionQueryOGL.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/impl/LowLevelSoundOpenAL.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/hpl1/engine/impl/OpenALSoundChannel.h:32, from engines/hpl1/engine/impl/LowLevelSoundOpenAL.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/impl/CGProgram.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./graphics/opengl/shader.h:25, from ./engines/hpl1/engine/impl/CGProgram.h:38, from engines/hpl1/engine/impl/CGProgram.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/impl/OpenALSoundEnvironment.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/hpl1/engine/impl/tinyXML/tinyxml.h:34, from engines/hpl1/engine/impl/OpenALSoundEnvironment.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/gui/Gui.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/resources/TextureManager.h:31, from engines/hpl1/engine/gui/Gui.cpp:42: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/impl/PhysicsControllerNewton.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/physics/PhysicsController.h:35, from ./engines/hpl1/engine/impl/PhysicsControllerNewton.h:31, from engines/hpl1/engine/impl/PhysicsControllerNewton.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/impl/OpenALSoundChannel.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./audio/mixer.h:25, from ./engines/hpl1/engine/impl/OpenALSoundChannel.h:32, from engines/hpl1/engine/impl/OpenALSoundChannel.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/impl/PhysicsJointBallNewton.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/scene/Entity.h:31, from ./engines/hpl1/engine/scene/Entity3D.h:32, from ./engines/hpl1/engine/physics/PhysicsBody.h:32, from ./engines/hpl1/engine/impl/PhysicsBodyNewton.h:33, from ./engines/hpl1/engine/impl/PhysicsJointNewton.h:31, from ./engines/hpl1/engine/impl/PhysicsJointBallNewton.h:31, from engines/hpl1/engine/impl/PhysicsJointBallNewton.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/impl/OpenALSoundData.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/hpl1/debug.h:25, from engines/hpl1/engine/impl/OpenALSoundData.cpp:33: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/impl/PhysicsJointHingeNewton.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/scene/Entity.h:31, from ./engines/hpl1/engine/scene/Entity3D.h:32, from ./engines/hpl1/engine/physics/PhysicsBody.h:32, from ./engines/hpl1/engine/impl/PhysicsBodyNewton.h:33, from ./engines/hpl1/engine/impl/PhysicsJointNewton.h:31, from ./engines/hpl1/engine/impl/PhysicsJointHingeNewton.h:31, from engines/hpl1/engine/impl/PhysicsJointHingeNewton.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/impl/MeshLoaderMSH.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/graphics/VertexBuffer.h:32, from ./engines/hpl1/engine/impl/MeshLoaderMSH.h:31, from engines/hpl1/engine/impl/MeshLoaderMSH.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/impl/PhysicsJointScrewNewton.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/scene/Entity.h:31, from ./engines/hpl1/engine/scene/Entity3D.h:32, from ./engines/hpl1/engine/physics/PhysicsBody.h:32, from ./engines/hpl1/engine/impl/PhysicsBodyNewton.h:33, from ./engines/hpl1/engine/impl/PhysicsJointNewton.h:31, from ./engines/hpl1/engine/impl/PhysicsJointScrewNewton.h:31, from engines/hpl1/engine/impl/PhysicsJointScrewNewton.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/impl/PhysicsJointSliderNewton.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/scene/Entity.h:31, from ./engines/hpl1/engine/scene/Entity3D.h:32, from ./engines/hpl1/engine/physics/PhysicsBody.h:32, from ./engines/hpl1/engine/impl/PhysicsBodyNewton.h:33, from ./engines/hpl1/engine/impl/PhysicsJointNewton.h:31, from ./engines/hpl1/engine/impl/PhysicsJointSliderNewton.h:31, from engines/hpl1/engine/impl/PhysicsJointSliderNewton.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/impl/PhysicsBodyNewton.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/scene/Entity.h:31, from ./engines/hpl1/engine/scene/Entity3D.h:32, from ./engines/hpl1/engine/physics/PhysicsBody.h:32, from ./engines/hpl1/engine/impl/PhysicsBodyNewton.h:33, from engines/hpl1/engine/impl/PhysicsBodyNewton.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/angelscript/add-ons/scripthelper.o C++ engines/hpl1/engine/impl/PhysicsMaterialNewton.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/scene/Entity.h:31, from ./engines/hpl1/engine/scene/Entity3D.h:32, from ./engines/hpl1/engine/physics/PhysicsBody.h:32, from ./engines/hpl1/engine/impl/PhysicsBodyNewton.h:33, from engines/hpl1/engine/impl/PhysicsMaterialNewton.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/impl/SqScript.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/hpl1/engine/impl/SqScript.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/impl/tinyXML/tinyxmlerror.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/hpl1/engine/impl/tinyXML/tinyxml.h:34, from engines/hpl1/engine/impl/tinyXML/tinyxmlerror.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/impl/LowLevelGraphicsSDL.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/impl/LowLevelGraphicsSDL.h:34, from engines/hpl1/engine/impl/LowLevelGraphicsSDL.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/input/Action.o C++ engines/hpl1/engine/input/ActionKeyboard.o C++ engines/hpl1/engine/impl/SDLTexture.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/impl/SDLTexture.h:32, from engines/hpl1/engine/impl/SDLTexture.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/input/ActionMouseButton.o C++ engines/hpl1/engine/impl/PhysicsWorldNewton.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/physics/PhysicsWorld.h:38, from ./engines/hpl1/engine/impl/PhysicsWorldNewton.h:31, from engines/hpl1/engine/impl/PhysicsWorldNewton.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/impl/VertexBufferOGL.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/graphics/VertexBuffer.h:32, from ./engines/hpl1/engine/impl/VertexBufferOGL.h:32, from engines/hpl1/engine/impl/VertexBufferOGL.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' engines/hpl1/engine/impl/VertexBufferOGL.cpp: In member function 'virtual hpl::iVertexBuffer* hpl::cVertexBufferOGL::CreateCopy(hpl::eVertexBufferUsageType)': engines/hpl1/engine/impl/VertexBufferOGL.cpp:286:46: warning: 'this' pointer is null [-Wnonnull] 286 | pVtxBuff->ResizeArray(kvVertexFlags[i], (int)mvVertexArray[i].size()); | ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/impl/VertexBufferOGL.cpp:288:50: warning: 'this' pointer is null [-Wnonnull] 288 | memcpy(pVtxBuff->GetArray(kvVertexFlags[i]), | ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~ engines/hpl1/engine/impl/VertexBufferOGL.cpp:294:32: warning: 'this' pointer is null [-Wnonnull] 294 | pVtxBuff->ResizeIndices(GetIndexNum()); | ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~ engines/hpl1/engine/impl/VertexBufferOGL.cpp:295:36: warning: 'this' pointer is null [-Wnonnull] 295 | memcpy(pVtxBuff->GetIndices(), GetIndices(), GetIndexNum() * sizeof(unsigned int)); | ~~~~~~~~~~~~~~~~~~~~^~ engines/hpl1/engine/impl/VertexBufferOGL.cpp:300:26: warning: 'this' pointer is null [-Wnonnull] 300 | pVtxBuff->Compile(0); | ~~~~~~~~~~~~~~~~~^~~ C++ engines/hpl1/engine/input/InputDevice.o C++ engines/hpl1/engine/impl/VertexBufferVBO.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/graphics/VertexBuffer.h:32, from ./engines/hpl1/engine/impl/VertexBufferVBO.h:32, from engines/hpl1/engine/impl/VertexBufferVBO.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/input/Keyboard.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from engines/hpl1/engine/input/Keyboard.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/math/MeshTypes.o C++ engines/hpl1/engine/impl/tinyXML/tinyxmlparser.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/hpl1/engine/impl/tinyXML/tinyxml.h:34, from engines/hpl1/engine/impl/tinyXML/tinyxmlparser.cpp:26: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/input/LowLevelInput.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from engines/hpl1/engine/input/LowLevelInput.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/input/Mouse.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from engines/hpl1/engine/input/Mouse.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/math/MathTypes.o C++ engines/hpl1/engine/libraries/angelscript/add-ons/scriptstdstring.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/hpl1/debug.h:25, from engines/hpl1/engine/libraries/angelscript/add-ons/scriptstdstring.cpp:8: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/input/Input.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from ./engines/hpl1/engine/input/LowLevelInput.h:32, from engines/hpl1/engine/input/Input.cpp:33: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/math/Spring.o C++ engines/hpl1/engine/math/Quaternion.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/math/Math.h:31, from engines/hpl1/engine/math/Quaternion.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/impl/tinyXML/tinyxml.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/hpl1/engine/impl/tinyXML/tinyxml.h:34, from engines/hpl1/engine/impl/tinyXML/tinyxml.cpp:25: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/math/Frustum.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/math/Frustum.h:32, from engines/hpl1/engine/math/Frustum.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/angelscript/add-ons/scriptarray.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/hpl1/debug.h:25, from engines/hpl1/engine/libraries/angelscript/add-ons/scriptarray.cpp:5: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/impl/MeshLoaderColladaLoader.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/graphics/VertexBuffer.h:32, from ./engines/hpl1/engine/impl/MeshLoaderCollada.h:32, from engines/hpl1/engine/impl/MeshLoaderColladaLoader.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/math/BoundingVolume.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from engines/hpl1/engine/math/BoundingVolume.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/physics/Body2D.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/scene/Entity.h:31, from ./engines/hpl1/engine/scene/Entity2D.h:32, from ./engines/hpl1/engine/physics/Body2D.h:34, from engines/hpl1/engine/physics/Body2D.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/impl/MeshLoaderCollada.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/graphics/VertexBuffer.h:32, from ./engines/hpl1/engine/impl/MeshLoaderCollada.h:32, from engines/hpl1/engine/impl/MeshLoaderCollada.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/physics/PhysicsController.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/physics/PhysicsController.h:35, from engines/hpl1/engine/physics/PhysicsController.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/physics/PhysicsJointHinge.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/physics/PhysicsJoint.h:35, from ./engines/hpl1/engine/physics/PhysicsJointHinge.h:31, from engines/hpl1/engine/physics/PhysicsJointHinge.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/physics/Collider2D.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/math/Math.h:31, from engines/hpl1/engine/physics/Collider2D.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/physics/PhysicsJointBall.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/physics/PhysicsJoint.h:35, from ./engines/hpl1/engine/physics/PhysicsJointBall.h:31, from engines/hpl1/engine/physics/PhysicsJointBall.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/physics/PhysicsJointScrew.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/physics/PhysicsJoint.h:35, from ./engines/hpl1/engine/physics/PhysicsJointScrew.h:31, from engines/hpl1/engine/physics/PhysicsJointScrew.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/physics/Physics.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/physics/PhysicsWorld.h:38, from engines/hpl1/engine/physics/Physics.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/physics/PhysicsJointSlider.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/physics/PhysicsJoint.h:35, from ./engines/hpl1/engine/physics/PhysicsJointSlider.h:31, from engines/hpl1/engine/physics/PhysicsJointSlider.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/physics/PhysicsBody.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/scene/Entity.h:31, from ./engines/hpl1/engine/scene/Entity3D.h:32, from ./engines/hpl1/engine/physics/PhysicsBody.h:32, from engines/hpl1/engine/physics/PhysicsBody.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/serialize.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from engines/hpl1/serialize.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/resources/ConfigFile.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/hpl1/engine/resources/ConfigFile.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/resources/FrameTexture.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from engines/hpl1/engine/resources/FrameTexture.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/resources/AnimationManager.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/physics/CollideShape.h:31, from ./engines/hpl1/engine/graphics/Mesh.h:36, from engines/hpl1/engine/resources/AnimationManager.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/physics/PhysicsJoint.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/physics/PhysicsJoint.h:35, from engines/hpl1/engine/physics/PhysicsJoint.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/physics/SurfaceData.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/math/Math.h:31, from engines/hpl1/engine/physics/SurfaceData.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/resources/FontManager.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from engines/hpl1/engine/resources/FontManager.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/physics/CharacterBody.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/physics/PhysicsWorld.h:38, from ./engines/hpl1/engine/physics/CharacterBody.h:32, from engines/hpl1/engine/physics/CharacterBody.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/resources/FrameBitmap.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from engines/hpl1/engine/resources/FrameBitmap.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/math/Math.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/math/Math.h:31, from engines/hpl1/engine/math/Math.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/resources/FileSearcher.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/hpl1/hpl1.h:27, from engines/hpl1/engine/resources/FileSearcher.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/resources/MeshLoaderHandler.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/scene/Scene.h:31, from engines/hpl1/engine/resources/MeshLoaderHandler.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/resources/ResourceBase.o C++ engines/hpl1/engine/resources/GpuProgramManager.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/hpl1/debug.h:25, from engines/hpl1/engine/resources/GpuProgramManager.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/resources/ImageEntityManager.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from engines/hpl1/engine/resources/ImageEntityManager.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/resources/MeshManager.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/physics/CollideShape.h:31, from ./engines/hpl1/engine/graphics/Mesh.h:36, from engines/hpl1/engine/resources/MeshManager.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/physics/PhysicsWorld.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/physics/PhysicsWorld.h:38, from engines/hpl1/engine/physics/PhysicsWorld.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/resources/LanguageFile.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/hpl1/engine/impl/tinyXML/tinyxml.h:34, from engines/hpl1/engine/resources/LanguageFile.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/resources/ImageManager.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from engines/hpl1/engine/resources/ImageManager.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/resources/EntityLoader_Object.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/hpl1/engine/impl/tinyXML/tinyxml.h:34, from engines/hpl1/engine/resources/EntityLoader_Object.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/resources/ParticleManager.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/graphics/RenderList.h:32, from ./engines/hpl1/engine/graphics/ParticleSystem3D.h:31, from engines/hpl1/engine/resources/ParticleManager.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/resources/ResourceImage.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from engines/hpl1/engine/resources/ResourceImage.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/resources/MaterialManager.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/resources/MaterialManager.h:31, from engines/hpl1/engine/resources/MaterialManager.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/resources/ScriptManager.o C++ engines/hpl1/engine/resources/ResourceManager.o C++ engines/hpl1/engine/resources/SoundEntityManager.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/physics/PhysicsWorld.h:38, from ./engines/hpl1/engine/sound/SoundHandler.h:33, from engines/hpl1/engine/resources/SoundEntityManager.cpp:34: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/resources/SoundManager.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/hpl1/debug.h:25, from engines/hpl1/engine/resources/SoundManager.cpp:36: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/impl/MeshLoaderColladaHelpers.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/graphics/VertexBuffer.h:32, from ./engines/hpl1/engine/impl/MeshLoaderCollada.h:32, from engines/hpl1/engine/impl/MeshLoaderColladaHelpers.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/resources/TileSetManager.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/scene/TileData.h:33, from ./engines/hpl1/engine/scene/TileSet.h:34, from engines/hpl1/engine/resources/TileSetManager.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/resources/low_level_resources.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from engines/hpl1/engine/resources/low_level_resources.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/scene/Entity.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/scene/Entity.h:31, from engines/hpl1/engine/scene/Entity.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/resources/VideoManager.o C++ engines/hpl1/engine/scene/Entity2D.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/scene/Entity.h:31, from ./engines/hpl1/engine/scene/Entity2D.h:32, from engines/hpl1/engine/scene/Entity2D.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/scene/AnimationState.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/scene/AnimationState.h:35, from engines/hpl1/engine/scene/AnimationState.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/scene/Camera2D.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from engines/hpl1/engine/scene/Camera2D.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/scene/ColliderEntity.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/scene/Entity.h:31, from ./engines/hpl1/engine/scene/Entity3D.h:32, from ./engines/hpl1/engine/graphics/Renderable.h:33, from ./engines/hpl1/engine/scene/ColliderEntity.h:32, from engines/hpl1/engine/scene/ColliderEntity.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/scene/Area2D.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/scene/Entity.h:31, from ./engines/hpl1/engine/scene/Entity2D.h:32, from ./engines/hpl1/engine/scene/Area2D.h:31, from engines/hpl1/engine/scene/Area2D.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/scene/Camera3D.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/math/Frustum.h:32, from ./engines/hpl1/engine/scene/Camera3D.h:31, from engines/hpl1/engine/scene/Camera3D.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/scene/Light.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/math/Math.h:31, from engines/hpl1/engine/scene/Light.cpp:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/scene/Light2D.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/scene/Entity.h:31, from ./engines/hpl1/engine/scene/Entity2D.h:32, from ./engines/hpl1/engine/scene/Light2D.h:33, from engines/hpl1/engine/scene/Light2D.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/scene/Light2DPoint.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/scene/Entity.h:31, from ./engines/hpl1/engine/scene/Entity2D.h:32, from ./engines/hpl1/engine/scene/Light2D.h:33, from ./engines/hpl1/engine/scene/Light2DPoint.h:31, from engines/hpl1/engine/scene/Light2DPoint.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/scene/Node2D.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/scene/Node.h:32, from ./engines/hpl1/engine/scene/Node2D.h:33, from engines/hpl1/engine/scene/Node2D.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/scene/Node.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/scene/Node.h:32, from engines/hpl1/engine/scene/Node.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/resources/TextureManager.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/resources/TextureManager.h:31, from engines/hpl1/engine/resources/TextureManager.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/scene/ImageEntity.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/scene/Entity.h:31, from ./engines/hpl1/engine/scene/Entity2D.h:32, from ./engines/hpl1/engine/scene/ImageEntity.h:33, from engines/hpl1/engine/scene/ImageEntity.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/scene/NodeState.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/scene/Node.h:32, from ./engines/hpl1/engine/scene/Node3D.h:33, from ./engines/hpl1/engine/scene/NodeState.h:32, from engines/hpl1/engine/scene/NodeState.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/resources/Resources.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/resources/MaterialManager.h:31, from engines/hpl1/engine/resources/Resources.cpp:38: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/scene/Entity3D.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/scene/Entity.h:31, from ./engines/hpl1/engine/scene/Entity3D.h:32, from engines/hpl1/engine/scene/Entity3D.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/scene/Light3DPoint.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/scene/Entity.h:31, from ./engines/hpl1/engine/scene/Entity3D.h:32, from ./engines/hpl1/engine/graphics/Renderable.h:33, from ./engines/hpl1/engine/scene/Light3D.h:33, from ./engines/hpl1/engine/scene/Light3DPoint.h:31, from engines/hpl1/engine/scene/Light3DPoint.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/scene/Node3D.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/scene/Node.h:32, from ./engines/hpl1/engine/scene/Node3D.h:33, from engines/hpl1/engine/scene/Node3D.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/scene/MultiImageEntity.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/scene/Entity.h:31, from ./engines/hpl1/engine/scene/Entity2D.h:32, from ./engines/hpl1/engine/scene/ImageEntity.h:33, from ./engines/hpl1/engine/scene/MultiImageEntity.h:31, from engines/hpl1/engine/scene/MultiImageEntity.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/scene/GridMap2D.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/math/Math.h:31, from engines/hpl1/engine/scene/GridMap2D.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/scene/Light3DSpot.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/scene/Entity.h:31, from ./engines/hpl1/engine/scene/Entity3D.h:32, from ./engines/hpl1/engine/graphics/Renderable.h:33, from ./engines/hpl1/engine/scene/Light3D.h:33, from ./engines/hpl1/engine/scene/Light3DSpot.h:31, from engines/hpl1/engine/scene/Light3DSpot.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/scene/SoundSource.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/scene/Entity.h:31, from ./engines/hpl1/engine/scene/Entity2D.h:32, from ./engines/hpl1/engine/scene/SoundSource.h:32, from engines/hpl1/engine/scene/SoundSource.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/scene/Tile.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/scene/TileData.h:33, from ./engines/hpl1/engine/scene/Tile.h:34, from engines/hpl1/engine/scene/Tile.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/scene/TileData.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/scene/TileData.h:33, from engines/hpl1/engine/scene/TileData.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/scene/TileLayer.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/scene/TileData.h:33, from ./engines/hpl1/engine/scene/Tile.h:34, from ./engines/hpl1/engine/scene/TileLayer.h:33, from engines/hpl1/engine/scene/TileLayer.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/scene/SoundEntity.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/scene/Entity.h:31, from ./engines/hpl1/engine/scene/Entity3D.h:32, from ./engines/hpl1/engine/scene/SoundEntity.h:31, from engines/hpl1/engine/scene/SoundEntity.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/scene/TileMapRectIt.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/scene/TileData.h:33, from ./engines/hpl1/engine/scene/Tile.h:34, from ./engines/hpl1/engine/scene/TileLayer.h:33, from ./engines/hpl1/engine/scene/TileMap.h:35, from ./engines/hpl1/engine/scene/TileMapRectIt.h:32, from engines/hpl1/engine/scene/TileMapRectIt.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/sound/LowLevelSound.o C++ engines/hpl1/engine/scene/Light3D.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/scene/Entity.h:31, from ./engines/hpl1/engine/scene/Entity3D.h:32, from ./engines/hpl1/engine/graphics/Renderable.h:33, from ./engines/hpl1/engine/scene/Light3D.h:33, from engines/hpl1/engine/scene/Light3D.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/scene/TileMap.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/scene/TileData.h:33, from ./engines/hpl1/engine/scene/Tile.h:34, from ./engines/hpl1/engine/scene/TileLayer.h:33, from ./engines/hpl1/engine/scene/TileMap.h:35, from engines/hpl1/engine/scene/TileMap.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/scene/TileMapLineIt.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/scene/TileData.h:33, from ./engines/hpl1/engine/scene/Tile.h:34, from ./engines/hpl1/engine/scene/TileLayer.h:33, from ./engines/hpl1/engine/scene/TileMap.h:35, from ./engines/hpl1/engine/scene/TileMapLineIt.h:32, from engines/hpl1/engine/scene/TileMapLineIt.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/scene/SubMeshEntity.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/scene/Entity.h:31, from ./engines/hpl1/engine/scene/Entity3D.h:32, from ./engines/hpl1/engine/graphics/Renderable.h:33, from ./engines/hpl1/engine/scene/SubMeshEntity.h:33, from engines/hpl1/engine/scene/SubMeshEntity.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/system/Container.o C++ engines/hpl1/engine/sound/Sound.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/physics/PhysicsWorld.h:38, from ./engines/hpl1/engine/sound/SoundHandler.h:33, from engines/hpl1/engine/sound/Sound.cpp:32: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/scene/SectorVisibility.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/scene/SectorVisibility.h:31, from engines/hpl1/engine/scene/SectorVisibility.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/system/LogicTimer.o C++ engines/hpl1/engine/scene/TileSet.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/graphics/LowLevelGraphics.h:33, from ./engines/hpl1/engine/graphics/Material.h:34, from ./engines/hpl1/engine/scene/TileData.h:33, from ./engines/hpl1/engine/scene/TileSet.h:34, from engines/hpl1/engine/scene/TileSet.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/sound/SoundEntityData.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./common/file.h:26, from ./engines/hpl1/engine/impl/tinyXML/tinyxml.h:34, from engines/hpl1/engine/sound/SoundEntityData.cpp:34: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/sound/MusicHandler.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/hpl1/debug.h:25, from engines/hpl1/engine/sound/MusicHandler.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/scene/Scene.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/scene/Scene.h:31, from engines/hpl1/engine/scene/Scene.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/system/System.o C++ engines/hpl1/engine/system/low_level_system.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/hpl1/debug.h:25, from engines/hpl1/engine/system/low_level_system.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/scene/World2D.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/scene/World2D.h:31, from engines/hpl1/engine/scene/World2D.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/metaengine.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from ./engines/hpl1/metaengine.h:25, from engines/hpl1/metaengine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/sound/SoundHandler.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/physics/PhysicsWorld.h:38, from ./engines/hpl1/engine/sound/SoundHandler.h:33, from engines/hpl1/engine/sound/SoundHandler.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/system/String.o C++ engines/hpl1/engine/scene/PortalContainer.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/scene/Entity.h:31, from ./engines/hpl1/engine/scene/Entity3D.h:32, from ./engines/hpl1/engine/graphics/Renderable.h:33, from ./engines/hpl1/engine/scene/PortalContainer.h:32, from engines/hpl1/engine/scene/PortalContainer.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/system/SerializeClass.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from engines/hpl1/engine/system/SerializeClass.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' engines/hpl1/engine/system/SerializeClass.cpp: In static member function 'static void hpl::cSerializeClass::LoadArray(TiXmlElement*, hpl::iSerializable*, hpl::cSerializeSavedClass*)': engines/hpl1/engine/system/SerializeClass.cpp:816:44: warning: pointer 'pValuePtr' used after 'void operator delete(void*)' [-Wuse-after-free] 816 | *pValuePtr = pSavedClass->mpCreateFunc(); | ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from ./engines/hpl1/engine/system/SerializeClass.h:31: engines/hpl1/engine/system/SerializeClass.cpp:815:43: note: call to 'void operator delete(void*)' here 815 | hplDelete(pValuePtr); | ^~~~~~~~~ ./engines/hpl1/engine/system/MemoryManager.h:44:16: note: in definition of macro 'hplDelete' 44 | delete data; | ^~~~ C++ engines/hpl1/penumbra-overture/Credits.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/Credits.h:31, from engines/hpl1/penumbra-overture/Credits.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/hpl1.o In file included from ./common/archive.h:31, from ./common/fs.h:26, from ./engines/hpl1/hpl1.h:27, from engines/hpl1/hpl1.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/DemoEndText.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/DemoEndText.h:31, from engines/hpl1/penumbra-overture/DemoEndText.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/scene/MeshEntity.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/scene/Entity.h:31, from ./engines/hpl1/engine/scene/Entity3D.h:32, from ./engines/hpl1/engine/graphics/Renderable.h:33, from ./engines/hpl1/engine/scene/MeshEntity.h:32, from engines/hpl1/engine/scene/MeshEntity.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/DeathMenu.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/DeathMenu.h:31, from engines/hpl1/penumbra-overture/DeathMenu.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/CharacterMove.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/CharacterMove.h:31, from engines/hpl1/penumbra-overture/CharacterMove.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/FadeHandler.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/FadeHandler.h:31, from engines/hpl1/penumbra-overture/FadeHandler.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/AttackHandler.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/AttackHandler.h:31, from engines/hpl1/penumbra-overture/AttackHandler.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/ButtonHandler.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/ButtonHandler.h:31, from engines/hpl1/penumbra-overture/ButtonHandler.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/EffectHandler.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/EffectHandler.h:31, from engines/hpl1/penumbra-overture/EffectHandler.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/scene/World3D.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/SaveGame.h:31, from ./engines/hpl1/engine/scene/Entity.h:31, from ./engines/hpl1/engine/scene/Entity3D.h:32, from ./engines/hpl1/engine/scene/World3D.h:35, from engines/hpl1/engine/scene/World3D.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/GameEnemy_Spider.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/GameEnemy_Spider.h:31, from engines/hpl1/penumbra-overture/GameEnemy_Spider.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/GameEnemy_Worm.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/GameEnemy_Worm.h:31, from engines/hpl1/penumbra-overture/GameEnemy_Worm.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/GameEnemy_Dog.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/GameEnemy_Dog.h:31, from engines/hpl1/penumbra-overture/GameEnemy_Dog.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/GameMessageHandler.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/GameMessageHandler.h:31, from engines/hpl1/penumbra-overture/GameMessageHandler.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/GameItemType.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/GameItemType.h:31, from engines/hpl1/penumbra-overture/GameItemType.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/GameArea.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/GameArea.h:31, from engines/hpl1/penumbra-overture/GameArea.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/GameMusicHandler.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/GameMusicHandler.h:31, from engines/hpl1/penumbra-overture/GameMusicHandler.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/GameDamageArea.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/GameDamageArea.h:31, from engines/hpl1/penumbra-overture/GameDamageArea.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/GameLink.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/GameLink.h:31, from engines/hpl1/penumbra-overture/GameLink.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/GameForceArea.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/GameForceArea.h:31, from engines/hpl1/penumbra-overture/GameForceArea.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/GameItem.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/GameItem.h:31, from engines/hpl1/penumbra-overture/GameItem.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/GameTypes.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/GameTypes.h:36, from engines/hpl1/penumbra-overture/GameTypes.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/GameLadder.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/GameLadder.h:31, from engines/hpl1/penumbra-overture/GameLadder.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/GraphicsHelper.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/GraphicsHelper.h:31, from engines/hpl1/penumbra-overture/GraphicsHelper.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/GameLiquidArea.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/GameLiquidArea.h:31, from engines/hpl1/penumbra-overture/GameLiquidArea.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/GameEntity.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/GameEntity.h:31, from engines/hpl1/penumbra-overture/GameEntity.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/GameEnemy.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/GameEnemy.h:31, from engines/hpl1/penumbra-overture/GameEnemy.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/GameLamp.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/GameLamp.h:31, from engines/hpl1/penumbra-overture/GameLamp.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/HudModel_Throw.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/HudModel_Throw.h:31, from engines/hpl1/penumbra-overture/HudModel_Throw.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/MapLoadText.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/MapLoadText.h:31, from engines/hpl1/penumbra-overture/MapLoadText.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/GameSaveArea.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/GameSaveArea.h:31, from engines/hpl1/penumbra-overture/GameSaveArea.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/IntroStory.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/IntroStory.h:31, from engines/hpl1/penumbra-overture/IntroStory.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/NumericalPanel.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/NumericalPanel.h:31, from engines/hpl1/penumbra-overture/NumericalPanel.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/GameStickArea.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/GameStickArea.h:31, from engines/hpl1/penumbra-overture/GameStickArea.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/Init.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/Init.h:31, from engines/hpl1/penumbra-overture/Init.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/GameObject.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/GameObject.h:31, from engines/hpl1/penumbra-overture/GameObject.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/GameSwingDoor.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/GameSwingDoor.h:31, from engines/hpl1/penumbra-overture/GameSwingDoor.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/GameScripts.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/GameScripts.h:31, from engines/hpl1/penumbra-overture/GameScripts.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/HudModel_Weapon.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/HudModel_Weapon.h:31, from engines/hpl1/penumbra-overture/HudModel_Weapon.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/PlayerHands.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/PlayerHands.h:31, from engines/hpl1/penumbra-overture/PlayerHands.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/Notebook.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/Notebook.h:31, from engines/hpl1/penumbra-overture/Notebook.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/core/dg.o C++ engines/hpl1/penumbra-overture/Triggers.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/Triggers.h:31, from engines/hpl1/penumbra-overture/Triggers.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/RadioHandler.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/RadioHandler.h:31, from engines/hpl1/penumbra-overture/RadioHandler.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/PlayerState_Misc.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/PlayerState_Misc.h:31, from engines/hpl1/penumbra-overture/PlayerState_Misc.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/core/dgCRC.o C++ engines/hpl1/penumbra-overture/PlayerState_Weapon.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/PlayerState_Weapon.h:31, from engines/hpl1/penumbra-overture/PlayerState_Weapon.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/core/dgDebug.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/hpl1/debug.h:25, from engines/hpl1/engine/libraries/newton/core/dgDebug.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/PlayerState_Interact.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/PlayerState_Interact.h:31, from engines/hpl1/penumbra-overture/PlayerState_Interact.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/core/dgGeneralMatrix.o C++ engines/hpl1/penumbra-overture/PreMenu.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/PreMenu.h:31, from engines/hpl1/penumbra-overture/PreMenu.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/core/dgDelaunayTetrahedralization.o C++ engines/hpl1/engine/libraries/newton/core/dgGeneralVector.o C++ engines/hpl1/penumbra-overture/TriggerHandler.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/TriggerHandler.h:31, from engines/hpl1/penumbra-overture/TriggerHandler.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/SaveTypes.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/SaveTypes.h:31, from engines/hpl1/penumbra-overture/SaveTypes.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/PlayerHelper.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/PlayerHelper.h:31, from engines/hpl1/penumbra-overture/PlayerHelper.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/core/dgNode.o C++ engines/hpl1/engine/libraries/newton/core/dgGoogol.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./engines/hpl1/debug.h:25, from engines/hpl1/engine/libraries/newton/core/dgGoogol.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/core/dgMemory.o C++ engines/hpl1/engine/libraries/newton/core/dgMatrix.o C++ engines/hpl1/engine/libraries/newton/core/dgAABBPolygonSoup.o C++ engines/hpl1/penumbra-overture/Player.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/Player.h:31, from engines/hpl1/penumbra-overture/Player.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/core/dgIntersections.o C++ engines/hpl1/penumbra-overture/Inventory.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/Inventory.h:31, from engines/hpl1/penumbra-overture/Inventory.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/core/dgRandom.o C++ engines/hpl1/penumbra-overture/MapHandler.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/MapHandler.h:31, from engines/hpl1/penumbra-overture/MapHandler.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/core/dgQuaternion.o C++ engines/hpl1/engine/libraries/newton/core/dgPolyhedraMassProperties.o C++ engines/hpl1/engine/libraries/newton/core/dgRef.o C++ engines/hpl1/engine/libraries/newton/core/dgRefCounter.o C++ engines/hpl1/engine/libraries/newton/core/dgConvexHull3d.o C++ engines/hpl1/engine/libraries/newton/core/dgSPDMatrix.o C++ engines/hpl1/engine/libraries/newton/core/dgThreads.o C++ engines/hpl1/engine/libraries/newton/core/dgSmallDeterminant.o C++ engines/hpl1/engine/libraries/newton/core/dgConvexHull4d.o C++ engines/hpl1/engine/libraries/newton/core/dgTree.o C++ engines/hpl1/engine/libraries/newton/core/dgSphere.o C++ engines/hpl1/engine/libraries/newton/core/dgTypes.o C++ engines/hpl1/engine/libraries/newton/physics/dgCollision.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgBody.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollision.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollision.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/physics/dgBallConstraint.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgConstraint.h:27, from engines/hpl1/engine/libraries/newton/physics/dgBilateralConstraint.h:25, from engines/hpl1/engine/libraries/newton/physics/dgBallConstraint.h:24, from engines/hpl1/engine/libraries/newton/physics/dgBallConstraint.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/physics/dgBilateralConstraint.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgBody.h:25, from engines/hpl1/engine/libraries/newton/physics/dgBilateralConstraint.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/NewtonClass.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/NewtonStdAfx.h:29, from engines/hpl1/engine/libraries/newton/NewtonClass.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/core/dgPolygonSoupBuilder.o C++ engines/hpl1/engine/libraries/newton/physics/dgCollisionBVH.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgBody.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollisionBVH.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/physics/dgCollisionBox.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgBody.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollision.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollisionConvex.h:26, from engines/hpl1/engine/libraries/newton/physics/dgCollisionBox.h:26, from engines/hpl1/engine/libraries/newton/physics/dgCollisionBox.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/physics/dgBody.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgBody.h:25, from engines/hpl1/engine/libraries/newton/physics/dgBody.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/physics/dgCollisionChamferCylinder.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgBody.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollision.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollisionConvex.h:26, from engines/hpl1/engine/libraries/newton/physics/dgCollisionChamferCylinder.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollisionChamferCylinder.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/physics/dgCollisionCone.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgBody.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollision.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollisionConvex.h:26, from engines/hpl1/engine/libraries/newton/physics/dgCollisionCone.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollisionCone.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/physics/dgCollisionCapsule.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgBody.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollision.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollisionConvex.h:26, from engines/hpl1/engine/libraries/newton/physics/dgCollisionCapsule.h:27, from engines/hpl1/engine/libraries/newton/physics/dgCollisionCapsule.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/penumbra-overture/MainMenu.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/MainMenu.h:31, from engines/hpl1/penumbra-overture/MainMenu.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/physics/dgCollisionEllipse.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgBody.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollision.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollisionConvex.h:26, from engines/hpl1/engine/libraries/newton/physics/dgCollisionSphere.h:26, from engines/hpl1/engine/libraries/newton/physics/dgCollisionEllipse.h:27, from engines/hpl1/engine/libraries/newton/physics/dgCollisionEllipse.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/physics/dgCollisionCylinder.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgBody.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollision.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollisionConvex.h:26, from engines/hpl1/engine/libraries/newton/physics/dgCollisionCylinder.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollisionCylinder.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/physics/dgCollisionConvexModifier.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgBody.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollision.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollisionConvex.h:26, from engines/hpl1/engine/libraries/newton/physics/dgCollisionConvexModifier.h:29, from engines/hpl1/engine/libraries/newton/physics/dgCollisionConvexModifier.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' engines/hpl1/engine/libraries/newton/physics/dgCollisionConvexModifier.cpp: In member function 'virtual void dgCollisionConvexModifier::ModifierSetMatrix(const dgMatrix&)': engines/hpl1/engine/libraries/newton/physics/dgCollisionConvexModifier.cpp:142:51: warning: writing 16 bytes into a region of size 4 [-Wstringop-overflow=] 142 | m_modifierInvMatrix[i][j] = mat[i][j + 4]; In file included from ./engines/hpl1/engine/libraries/newton/core/dgPlane.h:26, from ./engines/hpl1/engine/libraries/newton/core/dg.h:37: ./engines/hpl1/engine/libraries/newton/core/dgVector.h:77:11: note: destination object 'dgTemplateVector::m_x' of size 4 77 | T m_x; | ^~~ engines/hpl1/engine/libraries/newton/physics/dgCollisionConvexModifier.cpp:142:51: warning: writing 16 bytes into a region of size 4 [-Wstringop-overflow=] 142 | m_modifierInvMatrix[i][j] = mat[i][j + 4]; ./engines/hpl1/engine/libraries/newton/core/dgVector.h:77:11: note: destination object 'dgTemplateVector::m_x' of size 4 77 | T m_x; | ^~~ engines/hpl1/engine/libraries/newton/physics/dgCollisionConvexModifier.cpp:142:51: warning: writing 16 bytes into a region of size 4 [-Wstringop-overflow=] 142 | m_modifierInvMatrix[i][j] = mat[i][j + 4]; ./engines/hpl1/engine/libraries/newton/core/dgVector.h:77:11: note: destination object 'dgTemplateVector::m_x' of size 4 77 | T m_x; | ^~~ C++ engines/hpl1/engine/libraries/newton/core/dgPolyhedra.o C++ engines/hpl1/engine/libraries/newton/physics/dgCollisionConvexHull.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgBody.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollision.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollisionConvex.h:26, from engines/hpl1/engine/libraries/newton/physics/dgCollisionConvexHull.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollisionConvexHull.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/physics/dgBroadPhaseCollision.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgBody.h:25, from engines/hpl1/engine/libraries/newton/physics/dgBroadPhaseCollision.h:25, from engines/hpl1/engine/libraries/newton/physics/dgBroadPhaseCollision.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/physics/dgCollisionNull.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgBody.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollision.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollisionConvex.h:26, from engines/hpl1/engine/libraries/newton/physics/dgCollisionNull.h:26, from engines/hpl1/engine/libraries/newton/physics/dgCollisionNull.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/physics/dgCollisionUserMesh.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgBody.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollision.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollisionUserMesh.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollisionUserMesh.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/physics/dgConnectorConstraint.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgConstraint.h:27, from engines/hpl1/engine/libraries/newton/physics/dgBilateralConstraint.h:25, from engines/hpl1/engine/libraries/newton/physics/dgBallConstraint.h:24, from engines/hpl1/engine/libraries/newton/physics/dgConnectorConstraint.h:26, from engines/hpl1/engine/libraries/newton/physics/dgConnectorConstraint.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/physics/dgCollisionSphere.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgBody.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollision.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollisionConvex.h:26, from engines/hpl1/engine/libraries/newton/physics/dgCollisionSphere.h:26, from engines/hpl1/engine/libraries/newton/physics/dgCollisionSphere.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/physics/dgConstraint.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgConstraint.h:27, from engines/hpl1/engine/libraries/newton/physics/dgConstraint.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/Newton.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/NewtonStdAfx.h:29, from engines/hpl1/engine/libraries/newton/NewtonClass.h:25, from engines/hpl1/engine/libraries/newton/Newton.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' engines/hpl1/engine/libraries/newton/Newton.cpp: In function 'void NewtonSetEulerAngle(const float*, float*)': engines/hpl1/engine/libraries/newton/Newton.cpp:4423:41: warning: writing 16 bytes into a region of size 4 [-Wstringop-overflow=] 4423 | retMatrix[i][j] = mat[i][j]; In file included from ./engines/hpl1/engine/libraries/newton/core/dgPlane.h:26, from ./engines/hpl1/engine/libraries/newton/core/dg.h:37: ./engines/hpl1/engine/libraries/newton/core/dgVector.h:77:11: note: destination object 'dgTemplateVector::m_x' of size 4 77 | T m_x; | ^~~ engines/hpl1/engine/libraries/newton/Newton.cpp:4423:41: warning: writing 16 bytes into a region of size 4 [-Wstringop-overflow=] 4423 | retMatrix[i][j] = mat[i][j]; ./engines/hpl1/engine/libraries/newton/core/dgVector.h:77:11: note: destination object 'dgTemplateVector::m_x' of size 4 77 | T m_x; | ^~~ C++ engines/hpl1/engine/libraries/newton/physics/dgCollisionConvex.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgBody.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollision.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollisionConvex.h:26, from engines/hpl1/engine/libraries/newton/physics/dgCollisionConvex.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/physics/dgHingeConstraint.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgConstraint.h:27, from engines/hpl1/engine/libraries/newton/physics/dgBilateralConstraint.h:25, from engines/hpl1/engine/libraries/newton/physics/dgHingeConstraint.h:24, from engines/hpl1/engine/libraries/newton/physics/dgHingeConstraint.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/physics/dgCorkscrewConstraint.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgConstraint.h:27, from engines/hpl1/engine/libraries/newton/physics/dgBilateralConstraint.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCorkscrewConstraint.h:24, from engines/hpl1/engine/libraries/newton/physics/dgCorkscrewConstraint.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/physics/dgCollisionCompoundBreakable.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgBody.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollision.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollisionCompound.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollisionCompoundBreakable.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollisionCompoundBreakable.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/physics/dgContact.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgConstraint.h:27, from engines/hpl1/engine/libraries/newton/physics/dgContact.h:26, from engines/hpl1/engine/libraries/newton/physics/dgContact.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/physics/dgCollisionScene.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgBody.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollision.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollisionScene.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollisionScene.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/physics/dgCollisionHeightField.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgBody.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollision.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollisionHeightField.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollisionHeightField.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/physics/dgCollisionCompound.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgBody.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollision.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollisionCompound.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollisionCompound.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/physics/dgPointToCurveConstraint.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgConstraint.h:27, from engines/hpl1/engine/libraries/newton/physics/dgPointToCurveConstraint.h:26, from engines/hpl1/engine/libraries/newton/physics/dgPointToCurveConstraint.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/physics/dgCollisionMesh.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgBody.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollision.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollisionMesh.h:26, from engines/hpl1/engine/libraries/newton/physics/dgCollisionMesh.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/angelscript/sources/as_atomic.o C++ engines/hpl1/engine/libraries/newton/physics/dgUpVectorConstraint.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgConstraint.h:27, from engines/hpl1/engine/libraries/newton/physics/dgBilateralConstraint.h:25, from engines/hpl1/engine/libraries/newton/physics/dgUpVectorConstraint.h:24, from engines/hpl1/engine/libraries/newton/physics/dgUpVectorConstraint.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/physics/dgMeshEffect2.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgBody.h:25, from engines/hpl1/engine/libraries/newton/physics/dgMeshEffect2.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/physics/dgSlidingConstraint.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgConstraint.h:27, from engines/hpl1/engine/libraries/newton/physics/dgBilateralConstraint.h:25, from engines/hpl1/engine/libraries/newton/physics/dgSlidingConstraint.h:24, from engines/hpl1/engine/libraries/newton/physics/dgSlidingConstraint.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/physics/dgUserConstraint.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgConstraint.h:27, from engines/hpl1/engine/libraries/newton/physics/dgBilateralConstraint.h:25, from engines/hpl1/engine/libraries/newton/physics/dgUserConstraint.h:26, from engines/hpl1/engine/libraries/newton/physics/dgUserConstraint.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/physics/dgUniversalConstraint.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgConstraint.h:27, from engines/hpl1/engine/libraries/newton/physics/dgBilateralConstraint.h:25, from engines/hpl1/engine/libraries/newton/physics/dgUniversalConstraint.h:24, from engines/hpl1/engine/libraries/newton/physics/dgUniversalConstraint.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/angelscript/sources/as_callfunc.o C++ engines/hpl1/engine/libraries/newton/physics/dgMeshEffect3.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgBody.h:25, from engines/hpl1/engine/libraries/newton/physics/dgMeshEffect3.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/physics/dgMeshEffectSolidTree.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgMeshEffectSolidTree.h:25, from engines/hpl1/engine/libraries/newton/physics/dgMeshEffectSolidTree.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/angelscript/sources/as_globalproperty.o C++ engines/hpl1/engine/libraries/newton/physics/dgWorld.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgBody.h:25, from engines/hpl1/engine/libraries/newton/physics/dgWorld.h:26, from engines/hpl1/engine/libraries/newton/physics/dgWorld.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/angelscript/sources/as_generic.o engines/hpl1/engine/libraries/angelscript/sources/as_generic.cpp: In member function 'virtual int asCGeneric::SetReturnWord(asWORD)': engines/hpl1/engine/libraries/angelscript/sources/as_generic.cpp:335:10: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 335 | *(asWORD *)&returnVal = val; | ^~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_generic.cpp: In member function 'virtual int asCGeneric::SetReturnDWord(asDWORD)': engines/hpl1/engine/libraries/angelscript/sources/as_generic.cpp:350:10: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 350 | *(asDWORD *)&returnVal = val; | ^~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_generic.cpp: In member function 'virtual int asCGeneric::SetReturnFloat(float)': engines/hpl1/engine/libraries/angelscript/sources/as_generic.cpp:380:10: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 380 | *(float *)&returnVal = val; | ^~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_generic.cpp: In member function 'virtual int asCGeneric::SetReturnDouble(double)': engines/hpl1/engine/libraries/angelscript/sources/as_generic.cpp:395:10: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 395 | *(double *)&returnVal = val; | ^~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_generic.cpp: In member function 'virtual int asCGeneric::SetReturnAddress(void*)': engines/hpl1/engine/libraries/angelscript/sources/as_generic.cpp:405:18: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 405 | *(void **)&returnVal = val; | ^~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_generic.cpp: In member function 'virtual int asCGeneric::SetReturnObject(void*)': engines/hpl1/engine/libraries/angelscript/sources/as_generic.cpp:423:18: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 423 | *(void **)&returnVal = obj; | ^~~~~~~~~~~~~~~~~~~ C++ engines/hpl1/engine/libraries/angelscript/sources/as_datatype.o C++ engines/hpl1/engine/libraries/angelscript/sources/as_memory.o C++ engines/hpl1/engine/libraries/angelscript/sources/as_configgroup.o C++ engines/hpl1/engine/libraries/angelscript/sources/as_outputbuffer.o C++ engines/hpl1/engine/libraries/angelscript/sources/as_gc.o C++ engines/hpl1/engine/libraries/angelscript/sources/as_scriptcode.o C++ engines/hpl1/penumbra-overture/SaveHandler.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/game/GameTypes.h:31, from ./engines/hpl1/engine/ai/AI.h:31, from ./engines/hpl1/engine/engine.h:25, from ./engines/hpl1/penumbra-overture/SaveHandler.h:31, from engines/hpl1/penumbra-overture/SaveHandler.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/angelscript/sources/as_scriptnode.o C++ engines/hpl1/engine/libraries/newton/physics/dgNarrowPhaseCollision.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgNarrowPhaseCollision.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/angelscript/sources/as_objecttype.o C++ engines/hpl1/engine/libraries/angelscript/sources/as_thread.o C++ engines/hpl1/engine/libraries/angelscript/sources/as_string_util.o C++ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.o In file included from engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:40: engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp: In member function 'bool asCByteCode::RemoveUnusedValue(asCByteInstruction*, asCByteInstruction**)': engines/hpl1/engine/libraries/angelscript/sources/as_config.h:1350:23: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 1350 | #define ARG_DW(b) ((asDWORD*)&b) | ~^~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:473:69: note: in expansion of macro 'ARG_DW' 473 | *(((asDWORD *)&curr->arg) + AS_PTR_SIZE) = *ARG_DW(curr->arg); | ^~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp: In member function 'void asCByteCode::OptimizeLocally(const asCArray&)': engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:822:34: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 822 | *(asDWORD *)&instr->arg = *(asDWORD *)&instr->next->arg; | ^~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:822:60: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 822 | *(asDWORD *)&instr->arg = *(asDWORD *)&instr->next->arg; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:835:34: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 835 | *(asDWORD *)&instr->arg = *(asDWORD *)&instr->next->arg; | ^~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:835:60: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 835 | *(asDWORD *)&instr->arg = *(asDWORD *)&instr->next->arg; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp: In member function 'void asCByteCode::Optimize()': engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:1048:82: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 1048 | else if (currOp == asBC_JMP && instrOp == asBC_LABEL && *(int *)&curr->arg == instr->wArg[0]) | ^~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp: In member function 'bool asCByteCode::IsTempVarRead(asCByteInstruction*, int)': engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:1141:47: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 1141 | int label = *((int *)ARG_DW(curr->arg)); | ~^~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:1157:47: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 1157 | int label = *((int *)ARG_DW(curr->arg)); | ~^~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:1173:55: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 1173 | int label = *((int *)ARG_DW(curr->arg)); | ~^~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp: In member function 'void asCByteCode::ExtractLineNumbers()': engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:1331:47: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 1331 | lineNumbers.PushLast(*(int *)ARG_DW(curr->arg)); engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp: In member function 'void asCByteCode::ExtractObjectVariableInfo(asCScriptFunction*)': engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:1376:71: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 1376 | info.option = (asEObjVarInfoOption) * (int *)ARG_DW(instr->arg); engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp: In member function 'void asCByteCode::ExtractTryCatchInfo(asCScriptFunction*)': engines/hpl1/engine/libraries/angelscript/sources/as_config.h:1350:23: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 1350 | #define ARG_DW(b) ((asDWORD*)&b) | ~^~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:1409:43: note: in expansion of macro 'ARG_DW' 1409 | info.catchPos = *ARG_DW(instr->arg); | ^~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp: In member function 'void asCByteCode::Call(asEBCInstr, int, int)': engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:1493:11: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 1493 | *((int *)ARG_DW(last->arg)) = funcID; | ~^~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp: In member function 'void asCByteCode::JmpP(int, asDWORD)': engines/hpl1/engine/libraries/angelscript/sources/as_config.h:1350:23: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 1350 | #define ARG_DW(b) ((asDWORD*)&b) | ~^~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:1554:10: note: in expansion of macro 'ARG_DW' 1554 | *ARG_DW(last->arg) = max; | ^~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp: In member function 'void asCByteCode::Line(int, int, int)': engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:1579:11: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 1579 | *((int *)ARG_DW(last->arg)) = (line & 0xFFFFF) | ((column & 0xFFF) << 20); | ~^~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp: In member function 'void asCByteCode::ObjInfo(int, int)': engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:1596:11: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 1596 | *((int *)ARG_DW(last->arg)) = info; | ~^~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp: In member function 'void asCByteCode::TryBlock(short int)': engines/hpl1/engine/libraries/angelscript/sources/as_config.h:1350:23: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 1350 | #define ARG_DW(b) ((asDWORD*)&b) | ~^~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:1616:10: note: in expansion of macro 'ARG_DW' 1616 | *ARG_DW(last->arg) = catchLabel; | ^~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp: In member function 'int asCByteCode::ResolveJumpAddresses()': engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:1685:39: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 1685 | int label = *((int *) ARG_DW(instr->arg)); | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:1689:35: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 1689 | *((int *) ARG_DW(instr->arg)) = labelPosOffset; | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:1693:39: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 1693 | int label = *((int *)ARG_DW(instr->arg)); | ~^~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:1698:35: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 1698 | *((int *)ARG_DW(instr->arg)) = currPos + labelPosOffset; | ~^~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp: In member function 'void asCByteCode::Output(asDWORD*)': engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:1748:46: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 1748 | *(ap + 1) = *(asDWORD *)&instr->arg; | ^~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:1754:46: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 1754 | *(ap + 2) = *(asDWORD *)&instr->arg; | ^~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp: In member function 'void asCByteCode::PostProcess()': engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:1832:47: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 1832 | int label = *((int *) ARG_DW(instr->arg)); | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:1846:47: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 1846 | int label = *((int *) ARG_DW(instr->arg)); | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_config.h:1350:23: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 1350 | #define ARG_DW(b) ((asDWORD*)&b) | ~^~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:1860:48: note: in expansion of macro 'ARG_DW' 1860 | asDWORD max = *ARG_DW(instr->arg); | ^~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp: In member function 'int asCByteCode::InsertFirstInstrDWORD(asEBCInstr, asDWORD)': engines/hpl1/engine/libraries/angelscript/sources/as_config.h:1350:23: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 1350 | #define ARG_DW(b) ((asDWORD*)&b) | ~^~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:2266:10: note: in expansion of macro 'ARG_DW' 2266 | *ARG_DW(first->arg) = param; | ^~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp: In member function 'int asCByteCode::InstrW_DW(asEBCInstr, asWORD, asDWORD)': engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:2363:11: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2363 | *((int *) ARG_DW(last->arg)) = b; | ~^~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp: In member function 'int asCByteCode::InstrSHORT_DW_DW(asEBCInstr, short int, asDWORD, asDWORD)': engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:2379:10: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2379 | *(int *)ARG_DW(last->arg) = b; engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp: In member function 'int asCByteCode::InstrSHORT_DW(asEBCInstr, short int, asDWORD)': engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:2449:11: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2449 | *((int *) ARG_DW(last->arg)) = b; | ~^~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp: In member function 'int asCByteCode::InstrW_FLOAT(asEBCInstr, asWORD, float)': engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:2497:11: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2497 | *((float *) ARG_DW(last->arg)) = b; | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp: In member function 'int asCByteCode::InstrINT(asEBCInstr, int)': engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:2529:11: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2529 | *((int *) ARG_DW(last->arg)) = param; | ~^~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp: In member function 'int asCByteCode::InstrDWORD(asEBCInstr, asDWORD)': engines/hpl1/engine/libraries/angelscript/sources/as_config.h:1350:23: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 1350 | #define ARG_DW(b) ((asDWORD*)&b) | ~^~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:2544:10: note: in expansion of macro 'ARG_DW' 2544 | *ARG_DW(last->arg) = param; | ^~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp: In member function 'int asCByteCode::InstrFLOAT(asEBCInstr, float)': engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:2606:11: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2606 | *((float *) ARG_DW(last->arg)) = param; | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp: In member function 'int asCByteCode::InstrDOUBLE(asEBCInstr, double)': engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:2621:11: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2621 | *((double *) ARG_QW(last->arg)) = param; | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp: In member function 'asDWORD asCByteCode::GetLastInstrValueDW()': engines/hpl1/engine/libraries/angelscript/sources/as_config.h:1350:23: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 1350 | #define ARG_DW(b) ((asDWORD*)&b) | ~^~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_bytecode.cpp:2655:17: note: in expansion of macro 'ARG_DW' 2655 | return *ARG_DW(last->arg); | ^~~~~~ C++ engines/hpl1/engine/libraries/angelscript/sources/as_string.o C++ engines/hpl1/engine/libraries/angelscript/sources/as_variablescope.o C++ engines/hpl1/engine/libraries/angelscript/sources/as_tokenizer.o C++ engines/hpl1/engine/libraries/angelscript/sources/as_typeinfo.o C++ engines/hpl1/engine/libraries/newton/physics/dgMeshEffect.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgMeshEffect.h:25, from engines/hpl1/engine/libraries/newton/physics/dgMeshEffect.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/angelscript/sources/as_scriptobject.o C++ engines/hpl1/engine/impl/texture_tgl.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/graphics/LowLevelPicture.h:31, from ./engines/hpl1/engine/graphics/Texture.h:34, from ./engines/hpl1/engine/impl/texture_tgl.h:25, from engines/hpl1/engine/impl/texture_tgl.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hugo/console.o In file included from ./engines/engine.h:30, from ./gui/debugger.h:33, from ./engines/hugo/console.h:25, from engines/hugo/console.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/angelscript/sources/as_context.o engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp: In member function 'virtual asWORD asCContext::GetReturnWord()': engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:540:17: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 540 | return *(asWORD *)&m_regs.valueRegister; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp: In member function 'virtual asDWORD asCContext::GetReturnDWord()': engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:550:17: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 550 | return *(asDWORD *)&m_regs.valueRegister; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp: In member function 'virtual float asCContext::GetReturnFloat()': engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:570:17: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 570 | return *(float *)&m_regs.valueRegister; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp: In member function 'virtual double asCContext::GetReturnDouble()': engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:580:17: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 580 | return *(double *)&m_regs.valueRegister; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp: In member function 'virtual void* asCContext::GetReturnAddress()': engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:589:25: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 589 | return *(void **)&m_regs.valueRegister; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp: In member function 'void asCContext::ExecuteNext()': engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:1779:26: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 1779 | *(void **)&m_regs.valueRegister = (void *)asBC_PTRARG(l_bc); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:1780:60: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 1780 | *(l_fp - asBC_SWORDARG0(l_bc)) = **(asDWORD **)&m_regs.valueRegister; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:1847:30: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 1847 | if (*(int *)&m_regs.valueRegister == 0) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:1855:30: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 1855 | if (*(int *)&m_regs.valueRegister != 0) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:1863:30: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 1863 | if (*(int *)&m_regs.valueRegister < 0) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:1871:30: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 1871 | if (*(int *)&m_regs.valueRegister >= 0) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:1879:30: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 1879 | if (*(int *)&m_regs.valueRegister > 0) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:1887:30: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 1887 | if (*(int *)&m_regs.valueRegister <= 0) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2083:28: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2083 | (**(short **)&m_regs.valueRegister)++; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2089:28: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2089 | (**(char **)&m_regs.valueRegister)++; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2095:28: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2095 | (**(short **)&m_regs.valueRegister)--; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2101:28: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2101 | (**(char **)&m_regs.valueRegister)--; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2107:30: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2107 | ++(**(int **)&m_regs.valueRegister); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2113:30: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2113 | --(**(int **)&m_regs.valueRegister); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2119:30: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2119 | ++(**(float **)&m_regs.valueRegister); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2125:30: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2125 | --(**(float **)&m_regs.valueRegister); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2131:30: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2131 | ++(**(double **)&m_regs.valueRegister); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2137:30: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2137 | --(**(double **)&m_regs.valueRegister); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2256:48: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2256 | if (dbl1 == dbl2) *(int *)&m_regs.valueRegister = 0; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2257:48: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2257 | else if (dbl1 < dbl2) *(int *)&m_regs.valueRegister = -1; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2258:49: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2258 | else *(int *)&m_regs.valueRegister = 1; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2266:44: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2266 | if (d1 == d2) *(int *)&m_regs.valueRegister = 0; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2267:44: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2267 | else if (d1 < d2) *(int *)&m_regs.valueRegister = -1; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2268:45: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2268 | else *(int *)&m_regs.valueRegister = 1; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2278:44: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2278 | if (f1 == f2) *(int *)&m_regs.valueRegister = 0; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2279:44: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2279 | else if (f1 < f2) *(int *)&m_regs.valueRegister = -1; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2280:45: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2280 | else *(int *)&m_regs.valueRegister = 1; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2288:44: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2288 | if (i1 == i2) *(int *)&m_regs.valueRegister = 0; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2289:44: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2289 | else if (i1 < i2) *(int *)&m_regs.valueRegister = -1; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2290:45: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2290 | else *(int *)&m_regs.valueRegister = 1; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2300:44: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2300 | if (i1 == i2) *(int *)&m_regs.valueRegister = 0; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2301:44: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2301 | else if (i1 < i2) *(int *)&m_regs.valueRegister = -1; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2302:45: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2302 | else *(int *)&m_regs.valueRegister = 1; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2312:44: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2312 | if (f1 == f2) *(int *)&m_regs.valueRegister = 0; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2313:44: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2313 | else if (f1 < f2) *(int *)&m_regs.valueRegister = -1; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2314:45: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2314 | else *(int *)&m_regs.valueRegister = 1; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2322:44: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2322 | if (d1 == d2) *(int *)&m_regs.valueRegister = 0; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2323:44: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2323 | else if (d1 < d2) *(int *)&m_regs.valueRegister = -1; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2324:45: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2324 | else *(int *)&m_regs.valueRegister = 1; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2772:26: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2772 | *(asDWORD *)&m_regs.valueRegister = *(asDWORD *)(l_fp - asBC_SWORDARG0(l_bc)); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2787:70: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2787 | *(asDWORD *)(l_fp - asBC_SWORDARG0(l_bc)) = *(asDWORD *)&m_regs.valueRegister; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2803:27: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2803 | **(asBYTE **)&m_regs.valueRegister = *(asBYTE *)(l_fp - asBC_SWORDARG0(l_bc)); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2809:27: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2809 | **(asWORD **)&m_regs.valueRegister = *(asWORD *)(l_fp - asBC_SWORDARG0(l_bc)); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2814:27: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2814 | **(asDWORD **)&m_regs.valueRegister = *(l_fp - asBC_SWORDARG0(l_bc)); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2819:27: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2819 | **(asQWORD **)&m_regs.valueRegister = *(asQWORD *)(l_fp - asBC_SWORDARG0(l_bc)); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2826:37: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2826 | bPtr[0] = **(asBYTE **)&m_regs.valueRegister; // read the byte | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2837:37: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2837 | wPtr[0] = **(asWORD **)&m_regs.valueRegister; // read the word | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2844:71: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2844 | *(asDWORD *)(l_fp - asBC_SWORDARG0(l_bc)) = **(asDWORD **)&m_regs.valueRegister; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2849:71: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2849 | *(asQWORD *)(l_fp - asBC_SWORDARG0(l_bc)) = **(asQWORD **)&m_regs.valueRegister; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2859:26: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2859 | *(asDWORD **)&m_regs.valueRegister = (l_fp - asBC_SWORDARG0(l_bc)); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2874:44: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2874 | if (p1 == p2) *(int *)&m_regs.valueRegister = 0; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2875:44: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2875 | else if (p1 < p2) *(int *)&m_regs.valueRegister = -1; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:2876:45: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 2876 | else *(int *)&m_regs.valueRegister = 1; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:3399:30: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 3399 | ++(**(asQWORD **)&m_regs.valueRegister); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:3404:30: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 3404 | --(**(asQWORD **)&m_regs.valueRegister); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:3522:44: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 3522 | if (i1 == i2) *(int *)&m_regs.valueRegister = 0; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:3523:44: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 3523 | else if (i1 < i2) *(int *)&m_regs.valueRegister = -1; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:3524:45: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 3524 | else *(int *)&m_regs.valueRegister = 1; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:3532:44: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 3532 | if (d1 == d2) *(int *)&m_regs.valueRegister = 0; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:3533:44: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 3533 | else if (d1 < d2) *(int *)&m_regs.valueRegister = -1; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_context.cpp:3534:45: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 3534 | else *(int *)&m_regs.valueRegister = 1; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ C++ engines/hpl1/engine/impl/low_level_graphics_tgl.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./graphics/tinygl/zblit_public.h:25, from ./graphics/tinygl/tinygl.h:28, from ./engines/hpl1/engine/impl/low_level_graphics_tgl.h:28, from engines/hpl1/engine/impl/low_level_graphics_tgl.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/impl/vertex_buffer_tgl.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/static_string.h:23, from ./engines/hpl1/engine/system/SerializeClass.h:33, from ./engines/hpl1/engine/math/BoundingVolume.h:33, from ./engines/hpl1/engine/graphics/VertexBuffer.h:32, from ./engines/hpl1/engine/impl/vertex_buffer_tgl.h:25, from engines/hpl1/engine/impl/vertex_buffer_tgl.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/angelscript/sources/as_scriptfunction.o C++ engines/hpl1/engine/libraries/newton/physics/dgWorldDynamicUpdate.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgWorldDynamicUpdate.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hugo/file_v1d.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/hugo/file_v1d.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/angelscript/sources/as_module.o C++ engines/hugo/dialogs.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./common/mutex.h:26, from ./common/substream.h:25, from engines/hugo/dialogs.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./gui/gui-manager.h:27, from engines/hugo/dialogs.cpp:23: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/hugo/file_v2d.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/hugo/file_v2d.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/angelscript/sources/as_parser.o C++ engines/hugo/file_v3d.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/hugo/file_v3d.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hugo/display.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/hugo/display.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/hugo/display.cpp:34: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/hugo/file_v2w.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/hugo/file_v2w.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hugo/file.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/hugo/file.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hugo/file_v1w.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/hugo/file_v1w.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hugo/inventory.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/hugo/inventory.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hugo/intro.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/hugo/intro.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hugo/object_v3d.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/hugo/object_v3d.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hugo/object_v1w.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/hugo/object_v1w.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hugo/object_v1d.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/hugo/object_v1d.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hugo/object_v2d.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/hugo/object_v2d.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hugo/metaengine.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/hugo/metaengine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hugo/mouse.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/hugo/mouse.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hugo/hugo.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/hugo/hugo.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/newton/physics/dgMinkowskiConv.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/hpl1/engine/libraries/newton/core/dg.h:63, from engines/hpl1/engine/libraries/newton/physics/dgBodyMasterList.h:25, from engines/hpl1/engine/libraries/newton/physics/dgBody.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollision.h:25, from engines/hpl1/engine/libraries/newton/physics/dgCollisionConvex.h:26, from engines/hpl1/engine/libraries/newton/physics/dgCollisionBox.h:26, from engines/hpl1/engine/libraries/newton/physics/dgMinkowskiConv.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hugo/parser_v1w.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/hugo/parser_v1w.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hugo/parser.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from engines/hugo/parser.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hugo/parser_v2d.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/hugo/parser_v2d.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hugo/parser_v1d.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/hugo/parser_v1d.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hugo/util.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/hugo/util.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hugo/parser_v3d.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/hugo/parser_v3d.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hugo/text.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from engines/hugo/text.cpp:21: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hugo/route.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/hugo/route.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hugo/sound.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/hugo/sound.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hugo/object.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/hugo/object.cpp:29: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hypno/cursors.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from engines/hypno/cursors.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/hypno/cursors.cpp:23: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/hypno/actions.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from engines/hypno/actions.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hypno/boyz/scene.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from engines/hypno/boyz/scene.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hypno/boyz/hard.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./gui/object.h:27, from ./gui/dialog.h:29, from ./gui/message.h:25, from engines/hypno/boyz/hard.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/angelscript/sources/as_builder.o C++ engines/hypno/lexer_mis.o In file included from ./common/archive.h:31, from ./common/compression/installshieldv3_archive.h:25, from ./engines/hypno/hypno.h:26, from engines/hypno/lexer_mis.l:43: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hypno/boyz/arcade.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/hypno/grammar.h:30, from engines/hypno/boyz/arcade.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hypno/metaengine.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./engines/advancedDetector.h:25, from engines/hypno/metaengine.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hypno/lexer_arc.o In file included from ./common/archive.h:31, from ./common/compression/installshieldv3_archive.h:25, from ./engines/hypno/hypno.h:26, from engines/hypno/lexer_arc.l:44: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hugo/schedule.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from engines/hugo/schedule.cpp:31: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hypno/libfile.o In file included from ./common/archive.h:31, from ./engines/hypno/libfile.h:25, from engines/hypno/libfile.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/angelscript/sources/as_scriptengine.o C++ engines/hypno/grammar_arc.o In file included from ./common/archive.h:31, from ./common/compression/installshieldv3_archive.h:25, from ./engines/hypno/hypno.h:26, from engines/hypno/grammar_arc.y:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hypno/spider/arcade.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/hypno/grammar.h:30, from engines/hypno/spider/arcade.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/hypno/spider/arcade.cpp:26: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/hypno/video.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/hypno/grammar.h:30, from engines/hypno/video.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hypno/grammar_mis.o In file included from ./common/archive.h:31, from ./common/compression/installshieldv3_archive.h:25, from ./engines/hypno/hypno.h:26, from engines/hypno/grammar_mis.y:30: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hypno/arcade.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from engines/hypno/arcade.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/hypno/arcade.cpp:24: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/hypno/hypno.o In file included from ./common/archive.h:31, from engines/hypno/hypno.cpp:24: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/icb/actor.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/icb/debug_pc.h:30, from ./engines/icb/p4_generic_pc.h:31, from ./engines/icb/p4_generic.h:31, from ./engines/icb/debug.h:30, from ./engines/icb/string_vest.h:31, from ./engines/icb/p4.h:32, from ./engines/icb/global_objects.h:30, from engines/icb/actor.cpp:27: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/icb/debug.h:32: ./engines/icb/common/px_array.h: In member function 'const Type& ICB::rcActArray::operator[](uint32) const': ./engines/icb/common/px_array.h:105:66: error: assignment of member 'm_userPosition' in read-only object 105 | ((const rcActArray *)this)->m_userPosition = n + 1; | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~ ./engines/icb/common/px_array.h: In member function 'const Type ICB::rcIntArray::operator[](uint32) const': ./engines/icb/common/px_array.h:308:66: error: assignment of member 'm_userPosition' in read-only object 308 | ((const rcIntArray *)this)->m_userPosition = index + 1; | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~ make: *** [Makefile.common:178: engines/icb/actor.o] Error 1 make: *** Waiting for unfinished jobs.... C++ engines/icb/actor_fx_pc.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/icb/debug_pc.h:30, from ./engines/icb/p4_generic_pc.h:31, from ./engines/icb/p4_generic.h:31, from ./engines/icb/debug.h:30, from engines/icb/actor_fx_pc.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/icb/debug.h:32: ./engines/icb/common/px_array.h: In member function 'const Type& ICB::rcActArray::operator[](uint32) const': ./engines/icb/common/px_array.h:105:66: error: assignment of member 'm_userPosition' in read-only object 105 | ((const rcActArray *)this)->m_userPosition = n + 1; | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~ ./engines/icb/common/px_array.h: In member function 'const Type ICB::rcIntArray::operator[](uint32) const': ./engines/icb/common/px_array.h:308:66: error: assignment of member 'm_userPosition' in read-only object 308 | ((const rcIntArray *)this)->m_userPosition = index + 1; | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~ make: *** [Makefile.common:178: engines/icb/actor_fx_pc.o] Error 1 C++ engines/icb/actor_pc.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/icb/debug_pc.h:30, from ./engines/icb/p4_generic_pc.h:31, from ./engines/icb/p4_generic.h:31, from ./engines/icb/debug.h:30, from engines/icb/actor_pc.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/icb/debug.h:32: ./engines/icb/common/px_array.h: In member function 'const Type& ICB::rcActArray::operator[](uint32) const': ./engines/icb/common/px_array.h:105:66: error: assignment of member 'm_userPosition' in read-only object 105 | ((const rcActArray *)this)->m_userPosition = n + 1; | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~ ./engines/icb/common/px_array.h: In member function 'const Type ICB::rcIntArray::operator[](uint32) const': ./engines/icb/common/px_array.h:308:66: error: assignment of member 'm_userPosition' in read-only object 308 | ((const rcIntArray *)this)->m_userPosition = index + 1; | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~ make: *** [Makefile.common:178: engines/icb/actor_pc.o] Error 1 C++ engines/hypno/spider/talk.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/hypno/grammar.h:30, from engines/hypno/spider/talk.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hypno/wet/hard.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./gui/object.h:27, from ./gui/dialog.h:29, from ./gui/message.h:25, from engines/hypno/wet/hard.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/icb/actor_view_pc.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/icb/debug_pc.h:30, from ./engines/icb/p4_generic_pc.h:31, from ./engines/icb/p4_generic.h:31, from ./engines/icb/debug.h:30, from ./engines/icb/string_vest.h:31, from ./engines/icb/p4.h:32, from engines/icb/actor_view_pc.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/icb/debug.h:32: ./engines/icb/common/px_array.h: In member function 'const Type& ICB::rcActArray::operator[](uint32) const': ./engines/icb/common/px_array.h:105:66: error: assignment of member 'm_userPosition' in read-only object 105 | ((const rcActArray *)this)->m_userPosition = n + 1; | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~ ./engines/icb/common/px_array.h: In member function 'const Type ICB::rcIntArray::operator[](uint32) const': ./engines/icb/common/px_array.h:308:66: error: assignment of member 'm_userPosition' in read-only object 308 | ((const rcIntArray *)this)->m_userPosition = index + 1; | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~ make: *** [Makefile.common:177: engines/icb/actor_view_pc.o] Error 1 C++ engines/icb/animation.o In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/icb/debug_pc.h:30, from ./engines/icb/p4_generic_pc.h:31, from ./engines/icb/p4_generic.h:31, from ./engines/icb/debug.h:30, from engines/icb/animation.cpp:28: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./engines/icb/debug.h:32: ./engines/icb/common/px_array.h: In member function 'const Type& ICB::rcActArray::operator[](uint32) const': ./engines/icb/common/px_array.h:105:66: error: assignment of member 'm_userPosition' in read-only object 105 | ((const rcActArray *)this)->m_userPosition = n + 1; | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~ ./engines/icb/common/px_array.h: In member function 'const Type ICB::rcIntArray::operator[](uint32) const': ./engines/icb/common/px_array.h:308:66: error: assignment of member 'm_userPosition' in read-only object 308 | ((const rcIntArray *)this)->m_userPosition = index + 1; | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~ make: *** [Makefile.common:177: engines/icb/animation.o] Error 1 C++ engines/icb/animation_mega_set.o In file included from ./engines/icb/debug.h:32, from ./engines/icb/string_vest.h:31, from ./engines/icb/p4.h:32, from ./engines/icb/p4_generic.h:30, from ./engines/icb/session.h:30, from engines/icb/animation_mega_set.cpp:28: ./engines/icb/common/px_array.h: In member function 'const Type& ICB::rcActArray::operator[](uint32) const': ./engines/icb/common/px_array.h:105:66: error: assignment of member 'm_userPosition' in read-only object 105 | ((const rcActArray *)this)->m_userPosition = n + 1; | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~ ./engines/icb/common/px_array.h: In member function 'const Type ICB::rcIntArray::operator[](uint32) const': ./engines/icb/common/px_array.h:308:66: error: assignment of member 'm_userPosition' in read-only object 308 | ((const rcIntArray *)this)->m_userPosition = index + 1; | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~ In file included from ./graphics/opengl/context.h:25, from ./common/system.h:34, from ./engines/icb/debug_pc.h:30, from ./engines/icb/debug.h:33: ./common/singleton.h: At global scope: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' make: *** [Makefile.common:177: engines/icb/animation_mega_set.o] Error 1 C++ engines/hpl1/engine/libraries/angelscript/sources/as_restore.o engines/hpl1/engine/libraries/angelscript/sources/as_restore.cpp: In member function 'void asCWriter::WriteByteCode(asCScriptFunction*)': engines/hpl1/engine/libraries/angelscript/sources/as_restore.cpp:4721:39: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 4721 | asQWORD qw = *(asQWORD *)&tmpBC[1]; | ^~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_restore.cpp:4731:39: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 4731 | asQWORD qw = *(asQWORD *)&tmpBC[1]; | ^~~~~~~~~~~~~~~~~~~~ engines/hpl1/engine/libraries/angelscript/sources/as_restore.cpp:4750:39: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] 4750 | asQWORD qw = *(asQWORD *)&tmpBC[1]; | ^~~~~~~~~~~~~~~~~~~~ C++ engines/hypno/scene.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from engines/hypno/scene.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hypno/spider/hard.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from engines/hypno/spider/hard.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hypno/wet/arcade.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/hypno/grammar.h:30, from engines/hypno/wet/arcade.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' In file included from ./graphics/cursorman.h:26, from engines/hypno/wet/arcade.cpp:27: ./common/stack.h:47:32: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 47 | FixedStack() : _size(0) {} | ^ ./common/stack.h:47:32: note: remove the '< >' ./common/stack.h:109:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 109 | Stack() {} | ^ ./common/stack.h:109:17: note: remove the '< >' ./common/stack.h:110:17: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 110 | Stack(const Array &stackContent) : _stack(stackContent) {} | ^ ./common/stack.h:110:17: note: remove the '< >' C++ engines/hypno/boyz/boyz.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./engines/hypno/grammar.h:30, from engines/hypno/boyz/boyz.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hypno/wet/wet.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from engines/hypno/wet/wet.cpp:23: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' C++ engines/hpl1/engine/libraries/angelscript/sources/as_compiler.o C++ engines/hypno/spider/spider.o In file included from ./engines/achievements.h:28, from ./engines/metaengine.h:29, from ./common/debug.h:27, from ./common/rect.h:27, from ./common/events.h:27, from engines/hypno/spider/spider.cpp:22: ./common/singleton.h:44:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 44 | Singleton(const Singleton &); | ^ ./common/singleton.h:44:21: note: remove the '< >' ./common/singleton.h:91:21: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor] 91 | Singleton() { } | ^ ./common/singleton.h:91:21: note: remove the '< >' ./common/singleton.h:92:17: warning: template-id not allowed for destructor in C++20 [-Wtemplate-id-cdtor] 92 | virtual ~Singleton() { } | ^ ./common/singleton.h:92:17: note: remove the '< >' error: Bad exit status from /home/pterjan/rpmbuild/tmp/rpm-tmp.bmxKaq (%build) RPM build errors: Bad exit status from /home/pterjan/rpmbuild/tmp/rpm-tmp.bmxKaq (%build) I: [iurt_root_command] ERROR: chroot