diff -Naur enblend-3.0.orig/src/gpu.h enblend-3.0/src/gpu.h
--- enblend-3.0.orig/src/gpu.h	2006-12-08 11:40:58 +0300
+++ enblend-3.0/src/gpu.h	2007-02-12 23:57:31 +0300
@@ -26,6 +26,7 @@
 
 #define GLEW_STATIC 1
 #include <GL/glew.h>
+#define GLAPIENTRY
 #include <GL/glut.h>
 
 #define CHECK_GL() checkGLErrors(__LINE__, __FILE__)