diff -up glew/include/GL/glew.h~ glew/include/GL/glew.h
--- glew/include/GL/glew.h~	2008-01-12 21:02:24.000000000 +0100
+++ glew/include/GL/glew.h	2008-01-12 21:02:24.000000000 +0100
@@ -2317,6 +2317,12 @@ typedef void (GLAPIENTRY * PFNGLVERTEXAT
 #define GL_PIXEL_UNPACK_BUFFER 0x88EC
 #define GL_PIXEL_PACK_BUFFER_BINDING 0x88ED
 #define GL_PIXEL_UNPACK_BUFFER_BINDING 0x88EF
+#define GL_FLOAT_MAT2x3 0x8B65
+#define GL_FLOAT_MAT2x4 0x8B66
+#define GL_FLOAT_MAT3x2 0x8B67
+#define GL_FLOAT_MAT3x4 0x8B68
+#define GL_FLOAT_MAT4x2 0x8B69
+#define GL_FLOAT_MAT4x3 0x8B6A
 #define GL_SRGB 0x8C40
 #define GL_SRGB8 0x8C41
 #define GL_SRGB_ALPHA 0x8C42