--- Makefile.orig	Fri Feb 19 03:13:16 1999
+++ Makefile	Tue Mar 16 21:07:25 1999
@@ -1,5 +1,6 @@
-CC     = gcc
-CFLAGS = -O2 -Wall
+CC     ?= gcc
+CFLAGS ?= -O2
+CFLAGS += -Wall
 INCDIR = -I/usr/X11R6/include/X11 -I/usr/X11R6/include
 DESTDIR= /usr/X11R6
 LIBDIR = -L/usr/X11R6/lib
