--- Makefile.orig	Sat Jan  6 16:14:07 1996
+++ Makefile	Mon Jun 23 21:43:36 1997
@@ -12,10 +12,10 @@
 CPPFLAGS=-O -ansi
 
 ## System Includes
-SYS_INCLUDES =
+SYS_INCLUDE= -I/usr/X11R6/include
 
 ## System Libraries
-SYS_LIBS = -L/usr/X11/lib -lX11
+SYS_LIBS = -L/usr/X11R6/lib -lX11
 
 ## Archiver
 AR=ar