Tame -Wall on MSVC and improve Clang/C2 support

[libpcap] / optimize.c

diff --git a/optimize.c b/optimize.c
index d72cf7a4c6f19d7e920d14919b64630998e572b5..81f875b01124b8568f62f6593e42036dae2d7969 100644 (file)
--- a/optimize.c
+++ b/optimize.c
@@ -71,7 +71,10 @@ int pcap_optimizer_debug;
    * _BitScanForward().
    */
 #include <intrin.h>
+
+#ifndef __clang__
 #pragma intrinsic(_BitScanForward)
+#endif
 
 static __forceinline int
 lowest_set_bit(int mask)