diff -up mesa-20140824/src/gallium/auxiliary/util/u_math.h.be mesa-20140824/src/gallium/auxiliary/util/u_math.h
--- mesa-20140824/src/gallium/auxiliary/util/u_math.h.be	2014-08-28 15:30:32.560480333 +0200
+++ mesa-20140824/src/gallium/auxiliary/util/u_math.h	2014-08-28 15:30:56.275479755 +0200
@@ -55,6 +55,9 @@ extern "C" {
 #include <strings.h> /* for ffs */
 #endif
 
+#ifdef PIPE_ARCH_BIG_ENDIAN
+#include <assert.h>
+#endif
 
 #ifndef M_SQRT2
 #define M_SQRT2 1.41421356237309504880