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HAVE_GCC_ATOMICS covers the test and set

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This commit is contained in:
Sam Lantinga 2011-01-21 21:45:55 -08:00
parent b3e14d4341
commit daecbfdc17
3 changed files with 13 additions and 14 deletions
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24
configure.in
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@ -311,18 +311,18 @@ if test x$enable_gcc_atomics = xyes; then
if test x$have_gcc_atomics = xyes; then
AC_DEFINE(HAVE_GCC_ATOMICS)
fi
# See if we have the minimum operation needed for GCC atomics
AC_TRY_LINK([
],[
int a;
__sync_lock_test_and_set(&a, 1);
],[
have_gcc_sync_lock_test_and_set=yes
])
if test x$have_gcc_sync_lock_test_and_set = xyes; then
AC_DEFINE(HAVE_GCC_SYNC_LOCK_TEST_AND_SET)
else
# See if we have the minimum operation needed for GCC atomics
AC_TRY_LINK([
],[
int a;
__sync_lock_test_and_set(&a, 1);
],[
have_gcc_sync_lock_test_and_set=yes
])
if test x$have_gcc_sync_lock_test_and_set = xyes; then
AC_DEFINE(HAVE_GCC_SYNC_LOCK_TEST_AND_SET)
fi
fi
fi