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libstdc++: Add options for libatomic to test

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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.
This commit is contained in:
Jonathan Wakely 2021-04-22 15:51:08 +01:00
parent 19aa9bc989
commit 58871c0331
1 changed files with 1 additions and 0 deletions
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libstdc++-v3/testsuite/30_threads/semaphore/try_acquire_posix.cc
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@ -19,6 +19,7 @@
// { dg-do run { target c++2a } }
// { dg-require-effective-target pthread }
// { dg-require-gthreads "" }
// { dg-add-options libatomic }
#include <semaphore>
#ifdef _GLIBCXX_HAVE_POSIX_SEMAPHORE