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tst-minsigstksz-1.c: Return EXIT_UNSUPPORTED for GCC 4.9 or older

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Since ATOMIC_INT_LOCK_FREE in GCC 4.9 is defined as

 #define ATOMIC_INT_LOCK_FREE                    \
  __atomic_type_lock_free (atomic_int)

GCC 4.9 fails to compile tst-minsigstksz-1.c:

tst-minsigstksz-1.c:45:6: error: missing binary operator before token "("
 # if ATOMIC_INT_LOCK_FREE != 2
      ^

Change tst-minsigstksz-1.c to define TEST_ATOMIC_OPS to 0 for GCC 4.9 or
older.

Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Reviewed-by: Sam James <sam@gentoo.org>
This commit is contained in:
H.J. Lu 2024-12-13 06:28:45 +08:00
parent 9856784b6a
commit 1a41fc44da
1 changed files with 1 additions and 1 deletions
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signal/tst-minsigstksz-1.c
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@ -38,7 +38,7 @@
/* We do not try to test atomic operations exhaustively, only a simple /* We do not try to test atomic operations exhaustively, only a simple
atomic counter increment. This is only safe if atomic_[u]int is atomic counter increment. This is only safe if atomic_[u]int is
unconditionally lock-free. */ unconditionally lock-free. */
#ifdef __STDC_NO_ATOMICS__ #if defined __STDC_NO_ATOMICS__ || !__GNUC_PREREQ (5, 0)
# define TEST_ATOMIC_OPS 0 # define TEST_ATOMIC_OPS 0
#else #else
# include <stdatomic.h> # include <stdatomic.h>