--- lib/bio/Makefile.orig	Sun Oct 19 01:51:44 2003
+++ lib/bio/Makefile	Sun Oct 19 01:51:55 2003
@@ -12,7 +12,7 @@
 OFILES=bflush.o bgetc.o bgetrune.o binit.o bprint.o bputc.o bwrite.o
 
 TARG=../libbio.a
-CFLAGS=-g -I../../include
+CFLAGS+=-g -I../../include
 
 all: $(TARG)
 
