diff -u config.mk config.mk.patched
--- config.mk	2008-09-18 22:20:00.000000000 -0400
+++ config.mk.patched	2008-09-18 22:21:16.000000000 -0400
@@ -4,11 +4,11 @@
 # Customize below to fit your system
 
 # paths
-PREFIX = /usr/local
+PREFIX = /usr
 MANPREFIX = ${PREFIX}/share/man
 
-X11INC = /usr/X11R6/include
-X11LIB = /usr/X11R6/lib
+X11INC = /usr/include/X11
+X11LIB = /usr/lib/X11
 
 # Xinerama, comment if you don't want it
 XINERAMALIBS = -L${X11LIB} -lXinerama