--- j3d-core/src/native/ogl/gldefs.h.orig 2008-02-28 15:18:01.000000000 -0500 +++ j3d-core/src/native/ogl/gldefs.h 2015-02-20 17:51:50.420236000 -0500 @@ -65,6 +65,10 @@ #include <X11/Xlib.h> #include <X11/Xutil.h> +#define GL_VERSION_1_5_TYPES_DEFINED +typedef ptrdiff_t GLintptr; +typedef ptrdiff_t GLsizeiptr; + #include <GL/gl.h> #include <GL/glx.h> #ifdef Java3D_undef__glext_h_