D: [iurt_root_command] chroot
Installing /home/pterjan/rpmbuild/SRPMS/ocaml-fieldslib-109.20.00-8.mga7.src.rpm
Executing(%prep): /bin/sh -e /home/pterjan/rpmbuild/tmp/rpm-tmp.L2B9zO
+ umask 022
+ cd /home/pterjan/rpmbuild/BUILD
+ '[' 1 -eq 1 ']'
+ '[' 1 -eq 1 ']'
+ '[' 1 -eq 1 ']'
+ cd /home/pterjan/rpmbuild/BUILD
+ rm -rf fieldslib-109.20.00
+ /usr/bin/gzip -dc /home/pterjan/rpmbuild/SOURCES/fieldslib-109.20.00.tar.gz
+ /usr/bin/tar -xof -
+ STATUS=0
+ '[' 0 -ne 0 ']'
+ cd fieldslib-109.20.00
+ /usr/bin/chmod -Rf a+rX,u+w,g-w,o-w .
+ exit 0
Executing(%build): /bin/sh -e /home/pterjan/rpmbuild/tmp/rpm-tmp.Xz6I9P
+ umask 022
+ cd /home/pterjan/rpmbuild/BUILD
+ cd fieldslib-109.20.00
+ '[' 1 -eq 1 ']'
+ '[' 1 -eq 1 ']'
+ ./configure --docdir /home/pterjan/rpmbuild/BUILDROOT/ocaml-fieldslib-109.20.00-8.mga7.x86_64/usr/share/doc/
File "./setup.ml", line 211, characters 8-26:
Warning 3: deprecated: String.set
Use Bytes.set instead.
File "./setup.ml", line 211, characters 8-11:
Error: This expression has type string but an expression was expected of type
         bytes
error: Bad exit status from /home/pterjan/rpmbuild/tmp/rpm-tmp.Xz6I9P (%build)


RPM build errors:
    Bad exit status from /home/pterjan/rpmbuild/tmp/rpm-tmp.Xz6I9P (%build)
I: [iurt_root_command] ERROR: chroot