--- makefile.orig	Fri Jul 16 13:47:54 1999
+++ makefile	Mon Nov 29 02:07:56 1999
@@ -22,13 +22,13 @@
 # THIS SOFTWARE.
 # ****************************************************************/
 
-CFLAGS = -g
-CFLAGS = -O2
-CFLAGS =
+#CFLAGS = -g
+CFLAGS ?= -O2
+#CFLAGS =
 
-CC = gcc -Wall -g
-CC = /opt/pure/purify/purify cc
-CC = cc
+CC ?= gcc -Wall -g
+#CC = /opt/pure/purify/purify cc
+#CC = cc
 
 YACC = bison -y
 YACC = yacc