From 7bbb8c5620c7a932988473533e2aca385e4b89c5 Mon Sep 17 00:00:00 2001
From: Ben Laurie <ben@links.org>
Date: Sun, 3 Mar 2013 02:56:45 +0000
Subject: [PATCH] Take the first definition of a variable.

---
 util/mk1mf.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/util/mk1mf.pl b/util/mk1mf.pl
index bb528f0c4b..e19816f4f7 100755
--- a/util/mk1mf.pl
+++ b/util/mk1mf.pl
@@ -69,7 +69,7 @@ open(IN,"<Makefile") || die "unable to open Makefile!\n";
 while(<IN>) {
     my ($mf_opt, $mf_ref);
     while (($mf_opt, $mf_ref) = each %mf_import) {
-    	if (/^$mf_opt\s*=\s*(.*)$/) {
+    	if (/^$mf_opt\s*=\s*(.*)$/ && !defined($$mfref)) {
 	   $$mf_ref = $1;
 	}
     }
-- 
2.40.0