atomics: fix compilation with clang version < 7

45495aa4 · Felix Paul Kühne · 1f5567b3 · 45495aa4
Commit 45495aa4 authored Jun 26, 2015 by Felix Paul Kühne
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include/vlc_atomic.h include/vlc_atomic.h +5 -0

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--- a/include/vlc_atomic.h
+++ b/include/vlc_atomic.h
@@ -26,6 +26,11 @@
 * Atomic operations do not require locking, but they are not very powerful.
 */

+/* clang version < 7 lacks the header but supports atomics - work-around */
+#if __clang__ && __clang_major__ >= 4 && !__has_include(<stdatomic.h>)
+#define __STDC_NO_ATOMICS__ 1
+#endif
+
 # ifndef __cplusplus
 #  if (__STDC_VERSION__ >= 201112L) && !defined (__STDC_NO_ATOMICS__)
 /*** Native C11 atomics ***/