--- Makefile.orig	Sun Oct 16 01:08:35 2005
+++ Makefile	Sun Oct 16 01:08:50 2005
@@ -1,10 +1,11 @@
-CFLAGS = -O #-DHPUX
+CFLAGS ?= -O #-DHPUX
+CC ?= cc
 LIBS = -lncurses	#if HP-UX, -lcurses
 OBJS = nsf.o iloop.o
 EXE = nsf
 LOCAL_BIN = /usr/local/bin
 $(EXE):	$(OBJS)
-	cc $(CFLAGS) -o $@ $(OBJS) $(LIBS)
+	$(CC) $(CFLAGS) -o $@ $(OBJS) $(LIBS)
 $(OBJS):	nsf.h
 install:	$(EXE)
 	strip $(EXE)