diff options
-rw-r--r-- | meson.build | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/meson.build b/meson.build index aefb9f3c85e..375751bce10 100644 --- a/meson.build +++ b/meson.build @@ -830,7 +830,13 @@ endif # Check for GCC style atomics dep_atomic = null_dep -if cc.compiles('int main() { int n; return __atomic_load_n(&n, __ATOMIC_ACQUIRE); }', +if cc.compiles('''#include <stdint.h> + int main() { + struct { + uint64_t *v; + } x; + return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE); + }''', name : 'GCC atomic builtins') pre_args += '-DUSE_GCC_ATOMIC_BUILTINS' |