configure: Add configure-time check for GCC 4.0+ atomic built-ins.

[sliver-openvswitch.git] / lib / ovs-atomic.h

diff --git a/lib/ovs-atomic.h b/lib/ovs-atomic.h
index a0a34f3..3fc9dcb 100644 (file)
--- a/lib/ovs-atomic.h
+++ b/lib/ovs-atomic.h
@@ -240,7 +240,7 @@
         #include "ovs-atomic-c11.h"
     #elif __GNUC__ >= 4 && __GNUC_MINOR__ >= 7
         #include "ovs-atomic-gcc4.7+.h"
-    #elif __GNUC__ >= 4
+    #elif HAVE_GCC4_ATOMICS
         #include "ovs-atomic-gcc4+.h"
     #else
         #include "ovs-atomic-pthreads.h"