https://bugzilla.redhat.com/show_bug.cgi?id=2120661
--- Comment #7 from Petr Pisar <ppi...@redhat.com> ---
(In reply to Petr Pisar from comment #6)
> (In reply to Miroslav Suchý from comment #5)
> > perl5-libdnf5.x86_64: W: undefined-non-weak-symbol
> > /usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so ....
>
> We need to see which exact symbol is missing.
>
# ldd -d -r /usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1
[...]
libcrypt.so.2 => /lib64/libcrypt.so.2 (0x00007f8729d3e000)
undefined symbol: PL_thr_key
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_sv_2bool_flags
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_more_sv
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_newRV
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_call_method
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_markstack_grow
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_sv_2nv_flags
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_croak_nocontext
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_sv_setsv_flags
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_sv_bless
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_free_tmps
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_gv_init_pvn
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_sv_2pv_flags
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_get_sv
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_sv_newmortal
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_sv_setref_pv
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_mg_get
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_sv_2uv_flags
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_newSVsv_flags
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_pop_scope
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_newSVuv
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_newSViv
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_sv_isobject
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_hv_common_key_len
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_sv_free2
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_newSV
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_sv_magic
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_newSVpvn
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_sv_setiv
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_sv_setpvn
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_newRV_noinc
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_gv_add_by_type
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_savetmps
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_stack_grow
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_sv_setpvf_nocontext
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_newXS
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_sv_setpv
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_av_make
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_hv_common
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_av_len
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_sv_2mortal
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_more_bodies
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_newSVnv
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_sv_2iv_flags
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_av_fetch
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_gv_stashpv
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_mg_find
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_push_scope
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_sv_derived_from
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
undefined symbol: Perl_sv_backoff
(/usr/lib64/perl5/vendor_perl/auto/libdnf5/repo/repo.so.1)
It's missing -lperl:
$ scanelf -n redhat-linux-build/bindings/perl5/auto/libdnf5/repo/repo.so
TYPE NEEDED FILE
ET_DYN libdnf5.so.1,libstdc++.so.6,libfmt.so.9,libgcc_s.so.1,libc.so.6
redhat-linux-build/bindings/perl5/auto/libdnf5/repo/repo.so
From a build log:
/usr/bin/g++ -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g
-grecord-gcc-switches -pipe -Wall -Werror=format-security
-Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS
-specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong
-specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic
-fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection
-Wl,--enable-new-dtags -Wl,-z,relro -Wl,--as-needed -Wl,-z,now
-specs=/usr/lib/rpm/redhat/redhat-hardened-ld
-specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -Wl,--build-id=sha1 -Wl,-z,relro
-Wl,--as-needed -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld
-specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -Wl,--build-id=sha1
-specs=/usr/lib/rpm/redhat/redhat-package-notes -shared -Wl,-soname,repo.so.1
-o ../auto/libdnf5/repo/repo.so.1
CMakeFiles/perl5_repo.dir/CMakeFiles/perl5_repo.dir/repoPERL_wrap.cxx.o
-Wl,-rpath,/home/test/rpmbuild/BUILD/dnf5-5.0.0/redhat-linux-build/libdnf:
../../../libdnf/libdnf5.so.1 -ldl -lstdc++fs -lstdc++ -lfmt -ljson-c -lmodulemd
-lgobject-2.0 -lglib-2.0 -lsolv -lsolvext -lrpm -lrpmio -lpopt -lxml2 -lgpgme
-lrepo -lglib-2.0 -lsolv -lsolvext -lrpm -lrpmio -lpopt -lxml2 -lgpgme -lrepo
-lsqlite3
(Now something actually sets a dummy soname to "repo.so.1" and it breaks the
Perl loader: perl -e 'require libdnf5::repo': Can't locate loadable object for
module libdnf5::common. It searches for libdnf5/common.so.)
Upstream Perl does not link extensions to libperl. Fedora as well as some other
distributions patch Perl build systems to do it. Swig probably was missed. (The
problem is that upstream Perl does not have a configuration option to save
-lperl linker flag to.) I'd guess it's not a big deal.
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