--- cairo-0.4.0/src/cairo-xlib.h	2005-02-22 13:24:50.000000000 -0600
+++ cairo/src/cairo-xlib.h	2005-03-24 09:53:10.000000000 -0600
@@ -41,6 +41,7 @@
 
 #ifdef  CAIRO_HAS_XLIB_SURFACE
 
+#include <X11/Xlib.h>
 #include <X11/extensions/Xrender.h>
 
 CAIRO_BEGIN_DECLS