--- Mesa-10.3.2/include/GL/glxext.h~	2014-10-22 16:37:26.000000000 +0200
+++ Mesa-10.3.2/include/GL/glxext.h	2014-10-30 19:49:51.561677653 +0100
@@ -477,6 +477,9 @@
 
 #ifndef GLX_NV_copy_buffer
 #define GLX_NV_copy_buffer 1
+#include <stddef.h>
+typedef ptrdiff_t GLsizeiptr;
+typedef ptrdiff_t GLintptr;
 typedef void ( *PFNGLXCOPYBUFFERSUBDATANVPROC) (Display *dpy, GLXContext readCtx, GLXContext writeCtx, GLenum readTarget, GLenum writeTarget, GLintptr readOffset, GLintptr writeOffset, GLsizeiptr size);
 typedef void ( *PFNGLXNAMEDCOPYBUFFERSUBDATANVPROC) (Display *dpy, GLXContext readCtx, GLXContext writeCtx, GLuint readBuffer, GLuint writeBuffer, GLintptr readOffset, GLintptr writeOffset, GLsizeiptr size);
 #ifdef GLX_GLXEXT_PROTOTYPES