--- GNUmakefile.old	Fri Aug 20 18:02:55 2004
+++ GNUmakefile	Fri Aug 20 18:03:28 2004
@@ -11,8 +11,8 @@
 LDLIBS	+= -lm
 
 # for X11 + Motif
-CFLAGS	+= -I/usr/X11R6/include
-LDFLAGS	+= -L/usr/X11R6/$(LIB)
+CFLAGS	+= -I$(X11BASE)/include
+LDFLAGS	+= -L$(X11BASE)/$(LIB)
 LDLIBS	+= -lXm -lXpm -lXt -lXext -lX11
 
 # RegEdit.c is good old K&R ...
