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Diffstat (limited to 'lib/builtins/atomic_signal_fence.c')
-rw-r--r--lib/builtins/atomic_signal_fence.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/builtins/atomic_signal_fence.c b/lib/builtins/atomic_signal_fence.c
index ad292d2f1..3cbf8f2b9 100644
--- a/lib/builtins/atomic_signal_fence.c
+++ b/lib/builtins/atomic_signal_fence.c
@@ -12,8 +12,12 @@
*===------------------------------------------------------------------------===
*/
+#if __has_include(<stdatomic.h>)
+
#include <stdatomic.h>
#undef atomic_signal_fence
void atomic_signal_fence(memory_order order) {
__c11_atomic_signal_fence(order);
}
+
+#endif