diff -Naur Makefile.old Makefile
--- Makefile.old	2006-04-02 17:20:10.000000000 -0400
+++ Makefile	2006-04-02 17:27:51.000000000 -0400
@@ -39,6 +39,7 @@
 			-I$(GTK_PREFIX)/include \
 			-I$(GTK_PREFIX)/include/gtk-2.0 \
 			-I$(GTK_PREFIX)/include/glib-2.0 \
+			-I$(GTK_PREFIX)/include/cairo \
 			-I$(GTK_PREFIX)/include/pango-1.0 \
 			-I$(GTK_PREFIX)/include/atk-1.0 \
 			-I$(GTK_PREFIX)/lib/glib-2.0/include \