[Mesa-dev] [PATCH] gallium/util: Define ffsll on OpenBSD.

[Jonathan Gray]

OpenBSD has ffs in libc but does not have ffsll so use the compiler
builtin.  PIPE_OS_BSD isn't suitable here as FreeBSD has ffsll in libc.

Signed-off-by: Jonathan Gray <jsg at jsg.id.au>
---
 src/gallium/auxiliary/util/u_math.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/gallium/auxiliary/util/u_math.h b/src/gallium/auxiliary/util/u_math.h
index 5db5b66..ec282f3 100644
--- a/src/gallium/auxiliary/util/u_math.h
+++ b/src/gallium/auxiliary/util/u_math.h
@@ -531,6 +531,8 @@ unsigned ffs( unsigned u )
 #elif defined(__MINGW32__) || defined(PIPE_OS_ANDROID)
 #define ffs __builtin_ffs
 #define ffsll __builtin_ffsll
+#elif defined(__OpenBSD__)
+#define ffsll __builtin_ffsll
 #endif
 
 #endif /* FFS_DEFINED */
-- 
2.2.2