On Thu, Apr 22, 2021 at 6:56 PM Jonathan Wakely via Gcc-patches <gcc-patches@gcc.gnu.org> wrote: > > This fixes a linker error on AIX: > > FAIL: 30_threads/semaphore/try_acquire_posix.cc (test for excess errors) > Excess errors: > ld: 0711-317 ERROR: Undefined symbol: .__atomic_fetch_add_8 > ld: 0711-317 ERROR: Undefined symbol: .__atomic_load_8 > ld: 0711-317 ERROR: Undefined symbol: .__atomic_fetch_sub_8 > ld: 0711-345 Use the -bloadmap or -bnoquiet option to obtain more information. > collect2: error: ld returned 8 exit status > > libstdc++-v3/ChangeLog: > > * testsuite/30_threads/semaphore/try_acquire_posix.cc: Add > options for libatomic. > > Tested powerpc64le-linux and powerpc-aix. Committed to trunk. > > I'd like to backport this to gcc-11 too.
Fine with me.