--- lib/xm/build.orig	Tue Jul 18 06:22:31 1995
+++ lib/xm/build	Sun Dec 12 16:29:08 1999
@@ -9,7 +9,7 @@
 
 SHELL=/bin/sh
 
-CC= ${cc-cc}
+CC?= cc
 CFLAGS= $cflags $obj_cflags $motif_cflags
 LINTFLAGS= $lintflags
 SCMFLAGS= -p .:../../scm:../xt