--- Makefile.orig	Wed Mar 29 22:20:16 2000
+++ Makefile	Wed Mar 29 22:21:26 2000
@@ -7,10 +7,11 @@
 
 SOURCES = READ.ME Makefile blue.c blue.c.orig blue.6 blue.lsm *.spec
 
-CFLAGS=-O
+CC?=cc
+CFLAGS?=-O
 
 blue: blue.c
-	cc $(CFLAGS) -DVERSION=\"$(V)\" blue.c -lncurses -o blue
+	$(CC) $(CFLAGS) -DVERSION=\"$(V)\" blue.c -lncurses -o blue
 
 blue-$(V).tar.gz: $(SOURCES)
 	@ls $(SOURCES) | sed s:^:blue-$(V)/: >MANIFEST