From c83fb4d45f2a47042f395271efe6e5489b2c4aee Mon Sep 17 00:00:00 2001
From: José Fonseca <jfonseca@vmware.com>
Date: Fri, 9 Dec 2011 20:05:27 +0000
Subject: util: Add strings.h include on unices
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Fixes -Wimplicit-function-declaration for ffs with GCC.  Spotted/tested
by Kai Wasserbäch.
---
 src/gallium/auxiliary/util/u_math.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/gallium/auxiliary/util/u_math.h b/src/gallium/auxiliary/util/u_math.h
index f908341f62..404bd21e1c 100644
--- a/src/gallium/auxiliary/util/u_math.h
+++ b/src/gallium/auxiliary/util/u_math.h
@@ -51,6 +51,10 @@ extern "C" {
 #include <math.h>
 #include <stdarg.h>
 
+#ifdef PIPE_OS_UNIX
+#include <strings.h> /* for ffs */
+#endif
+
 
 #ifndef M_SQRT2
 #define M_SQRT2 1.41421356237309504880
-- 
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