--- lib/unix/build.orig	Tue Jul 18 06:07:06 1995
+++ lib/unix/build	Sun Dec 12 16:29:08 1999
@@ -7,7 +7,7 @@
 
 SHELL=/bin/sh
 
-CC= ${cc-cc}
+CC?= cc
 CFLAGS= $cflags $obj_cflags
 LINTFLAGS= $lintflags