Mesa (master): mesa: Avoid undeclared ffs function warning on mingw.

[Jose Fonseca]

Module: Mesa
Branch: master
Commit: c6cedd43feccb9341c597329e28bb432c491939f
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=c6cedd43feccb9341c597329e28bb432c491939f

Author: José Fonseca <jfonseca at vmware.com>
Date:   Tue Feb 22 14:59:09 2011 +0000

mesa: Avoid undeclared ffs function warning on mingw.

---

 src/mesa/main/imports.h |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/src/mesa/main/imports.h b/src/mesa/main/imports.h
index a994dbc..ce7baab 100644
--- a/src/mesa/main/imports.h
+++ b/src/mesa/main/imports.h
@@ -540,6 +540,12 @@ extern void
 _mesa_init_sqrt_table(void);
 
 #ifdef __GNUC__
+
+#ifdef __MINGW32__
+#define ffs __builtin_ffs
+#define ffsll __builtin_ffsll
+#endif
+
 #define _mesa_ffs(i)  ffs(i)
 #define _mesa_ffsll(i)  ffsll(i)