diff -ur torcs-1.2.2.orig/src/modules/graphic/ssggraph/grmultitexstate.h torcs-1.2.2/src/modules/graphic/ssggraph/grmultitexstate.h
--- torcs-1.2.2.orig/src/modules/graphic/ssggraph/grmultitexstate.h	2004-07-14 21:48:26.973715904 -0400
+++ torcs-1.2.2/src/modules/graphic/ssggraph/grmultitexstate.h	2004-07-14 21:49:09.999175040 -0400
@@ -1,5 +1,7 @@
 #ifndef __GRMULTI
 #define __GRMULTI
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glext.h>
 class  grMultiTexState : public ssgSimpleState
 {
 public: