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libgcc: Do use weakrefs for glibc 2.34 on GNU Hurd 

On Mon, Apr 29, 2024 at 01:44:24PM +0000, Joseph Myers wrote:
> > glibc 2.34 and later doesn't have separate libpthread (libpthread.so.0 is a
> > dummy shared library with just some symbol versions for compatibility, but
> > all the pthread_* APIs are in libc.so.6).
>
> I suspect this has caused link failures in the glibc testsuite for Hurd,
> which still has separate libpthread.
>
> https://sourceware.org/pipermail/libc-testresults/2024q2/012556.html

So like this then?

2024-04-30  Jakub Jelinek  <jakub@redhat.com>

	* gthr.h (GTHREAD_USE_WEAK): Don't redefine to 0 for glibc 2.34+
	on GNU Hurd.

(cherry picked from commit 3146a92a77)
This commit is contained in:
Jakub Jelinek 2024-04-30 09:00:07 +02:00
parent 501fed8078
commit af925ba8e2
1 changed files with 1 additions and 1 deletions
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libgcc/gthr.h
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@ -142,7 +142,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
#endif #endif
#ifdef __GLIBC_PREREQ #ifdef __GLIBC_PREREQ
#if __GLIBC_PREREQ(2, 34) #if __GLIBC_PREREQ(2, 34) && !defined(__gnu_hurd__)
/* glibc 2.34 and later has all pthread_* APIs inside of libc, /* glibc 2.34 and later has all pthread_* APIs inside of libc,
no need to link separately with -lpthread. */ no need to link separately with -lpthread. */
#undef GTHREAD_USE_WEAK #undef GTHREAD_USE_WEAK