We need this change in rawhide (Fedora 35) before we can import glibc 2.34, too. +++ This bug was initially created as a clone of Bug #1960667 +++ Would it be possible to backport this upstream commit? Without it, recent bison built on ppc64le will not run on glibc 2.34 because undefined weak symbols get corrupted during dynamic linking (and gnulib contains such symbols for libpthread references). commit b293661219c36e72acb80502a86b51160bb88cfd Author: Alan Modra <amodra> Date: Mon May 3 10:03:06 2021 +0930 PPC: ensure_undef_dynamic on weak undef only in plt It's slightly weird to have a call to a weak function not protected by a test of that function being non-NULL, but the non-NULL test might be covered by a test of another function. For example: if (func1) { func1 (); func2 (); } where func2 is known to exist if func1 exists. * elf32-ppc.c (allocate_dynrelocs): Call ensure_undef_dynamic for weak undefined symols that only appear on PLT relocs. * elf64-ppc.c (allocate_dynrelocs): Likewise. It would be nice to backport this soon, so that we can rebuild affected packages with the new binutils.
Fixed in binutils-2.36.1-12.fc35
This bug appears to have been reported against 'rawhide' during the Fedora 35 development cycle. Changing version to 35.
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