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-rw-r--r--libguile/atomics-internal.h8
1 files changed, 3 insertions, 5 deletions
diff --git a/libguile/atomics-internal.h b/libguile/atomics-internal.h
index 9074d8cc3..f2d17e102 100644
--- a/libguile/atomics-internal.h
+++ b/libguile/atomics-internal.h
@@ -28,9 +28,7 @@
-#define HAVE_C11_ATOMICS (__STDC_VERSION__ >= 201112L && !defined(__STDC_NO_ATOMICS__))
-
-#if HAVE_C11_ATOMICS
+#ifdef HAVE_STDATOMIC_H
#include <stdatomic.h>
static inline uint32_t
@@ -74,7 +72,7 @@ scm_atomic_compare_and_swap_scm (SCM *loc, SCM *expected, SCM desired)
{
return atomic_compare_exchange_weak (loc, expected, desired);
}
-#else /* HAVE_C11_ATOMICS */
+#else /* HAVE_STDATOMIC_H */
/* Fallback implementation using locks. */
#include "libguile/threads.h"
@@ -171,6 +169,6 @@ scm_atomic_compare_and_swap_scm (SCM *loc, SCM *expected, SCM desired)
return ret;
}
-#endif /* HAVE_C11_ATOMICS */
+#endif /* HAVE_STDATOMIC_H */
#endif /* SCM_ATOMICS_INTERNAL_H */