--- Makefile.in.orig	Sat Dec  8 13:29:30 2001
+++ Makefile.in	Sat Dec  8 13:29:36 2001
@@ -4,7 +4,7 @@
 mandir = @mandir@/man1
 LIBS = @LIBS@
 
-CFLAGS = -O
+CFLAGS ?= -O
 RM = rm -f
 INSTALL  = install -c -m