From de15b95d09d00821aa23e96a0c3e827689c27a58 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 20 Jul 2016 16:18:29 +0200
Subject: Switch to dynamic empty() implementation in variable value

The current model fell apart when we modified values directly.
---
 build2/cxx/link.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'build2/cxx/link.cxx')

diff --git a/build2/cxx/link.cxx b/build2/cxx/link.cxx
index 88181aa..ba08119 100644
--- a/build2/cxx/link.cxx
+++ b/build2/cxx/link.cxx
@@ -1210,7 +1210,7 @@ namespace build2
       {
         ranlib = rs["config.bin.ranlib"];
 
-        if (ranlib->empty ()) // @@ BC LT [null].
+        if (ranlib && ranlib->empty ()) // @@ BC LT [null].
           ranlib = lookup ();
 
         const char* rl (
-- 
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