diff -up ./GLee.h.orig ./GLee.h --- ./GLee.h.orig 2013-12-31 11:30:47.066887667 +0200 +++ ./GLee.h 2013-12-31 11:31:47.464467091 +0200 @@ -65,6 +65,7 @@ #define GLX_GLXEXT_PROTOTYPES #include <GL/gl.h> #include <GL/glx.h> + typedef XID GLXContextID; #endif #ifndef APIENTRY