From aaf69c422ee03e11b362df193411533c3bcc609d Mon Sep 17 00:00:00 2001
From: Andrey Kamaev <andrey.kamaev@itseez.com>
Date: Mon, 25 Mar 2013 18:06:02 +0400
Subject: [PATCH] Fix clang build for Android (CV_XADD)

---
 modules/core/include/opencv2/core/cvdef.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/core/include/opencv2/core/cvdef.h b/modules/core/include/opencv2/core/cvdef.h
index 00d33b19d0..133b4ecc17 100644
--- a/modules/core/include/opencv2/core/cvdef.h
+++ b/modules/core/include/opencv2/core/cvdef.h
@@ -422,7 +422,7 @@ CV_INLINE int cvIsInf( double value )
 #      define CV_XADD(addr, delta) __atomic_fetch_add((_Atomic(int)*)(addr), delta, 4)
 #    endif
 #  else
-#    ifdef __ATOMIC_ACQ_REL
+#    if defined __ATOMIC_ACQ_REL && !defined __clang__
        // version for gcc >= 4.7
 #      define CV_XADD(addr, delta) __atomic_fetch_add(addr, delta, __ATOMIC_ACQ_REL)
 #    else