--- Makefile.orig	Sat Feb 13 02:28:35 1999
+++ Makefile	Sun Jul  6 20:06:03 2003
@@ -1,11 +1,10 @@
 # Makefile for gexpr
 # Last updated: 10 February 1999
 
-CC	= gcc
-OPTS	= -s -O2 -Wall
+OPTS	= ${CFLAGS} ${CPPFLAGS}
 OBJS	= eval.o read_token.o commands.o output.o errors.o gexpr.o 
 GEXPR	= gexpr
-LIBS	= -lm
+LIBS	= -lm ${LDFLAGS}
 
 all: $(GEXPR)