--- jpeg/Makefile.orig	Fri Aug  4 18:27:00 1995
+++ jpeg/Makefile	Fri Oct 20 19:05:22 2000
@@ -21,10 +21,10 @@
 manext = 1
 
 # The name of your C compiler:
-CC= gcc
+CC?= gcc
 
 # You may need to adjust these cc options:
-CFLAGS= -O -I$(srcdir)
+CFLAGS+= -I$(srcdir)
 # Generally, we recommend defining any configuration symbols in jconfig.h,
 # NOT via -D switches here.
 # However, any special defines for ansi2knr.c may be included here: