https://bugzilla.redhat.com/show_bug.cgi?id=1716324
Bug ID: 1716324
Summary: perl-Text-Xslate-3.5.6-5.fc30 is not linked to
libperl.so
Product: Fedora
Version: 30
Status: NEW
Component: perl-Text-Xslate
Assignee: jples...@redhat.com
Reporter: ppi...@redhat.com
QA Contact: extras...@fedoraproject.org
CC: i...@cicku.me, jples...@redhat.com,
perl-devel@lists.fedoraproject.org
Target Milestone: ---
Classification: Fedora
perl-Text-Xslate-3.5.6-5.fc30 lost a dependency on libperl.so since
-Wl,--as-needed was added to distribution-wide linker flags:
$ scanelf -n blib/arch/auto/Text/Xslate/Xslate.so
TYPE NEEDED FILE
ET_DYN libc.so.6 blib/arch/auto/Text/Xslate/Xslate.so
$ ldd -r blib/arch/auto/Text/Xslate/Xslate.so
linux-vdso.so.1 (0x00007fff0d5cb000)
libc.so.6 => /lib64/libc.so.6 (0x00007f948b9a1000)
/lib64/ld-linux-x86-64.so.2 (0x00007f948bb8f000)
undefined symbol: Perl_sv_cmp (blib/arch/auto/Text/Xslate/Xslate.so)
undefined symbol: PL_ppaddr (blib/arch/auto/Text/Xslate/Xslate.so)
[...]
Xslate.so is built like this:
gcc -lpthread -shared -Wl,-z,relro -Wl,--as-needed -Wl,-z,now
-specs=/usr/lib/rpm/redhat/redhat-hardened-ld -L/usr/local/lib
-fstack-protector-strong -lperl -o blib/arch/auto/Text/Xslate/Xslate.so
lib/Text/Xslate.o src/xslate_methods.o
The cause is that -Wl,--as-needed takes effect when library is supplied and
considering only preceding object files and ignoring and following object
files. A correct linker command must list all object files before -l flags.
Like this:
gcc lib/Text/Xslate.o src/xslate_methods.o -lpthread -shared -Wl,-z,relro
-Wl,--as-needed -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld
-L/usr/local/lib -fstack-protector-strong -lperl -o
blib/arch/auto/Text/Xslate/Xslate.so
Either there is bug in perl-Text-Xslate build script or in
Module::Build::XSUtil that it uses.
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