From 5aae89844ea71c92e73db4fd67da36f8657b05e8 Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 5 Jul 2013 00:54:14 +0000
Subject: * lib/mkmf.rb (CONFIG['CPPOUTFILE']): fix r41769;
 CONFIG['CPPOUTFILE']   may be nil.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41787 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/mkmf.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib')

diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index 749e7a5c7c..cdb51e05c8 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -251,7 +251,7 @@ module MakeMakefile
 
   OUTFLAG = CONFIG['OUTFLAG']
   COUTFLAG = CONFIG['COUTFLAG']
-  CPPOUTFILE = CONFIG['CPPOUTFILE'].sub(/\bconftest\b/, CONFTEST)
+  CPPOUTFILE = CONFIG['CPPOUTFILE'] ? CONFIG['CPPOUTFILE'].sub(/\bconftest\b/, CONFTEST) : nil
 
   def rm_f(*files)
     opt = (Hash === files.last ? [files.pop] : [])
-- 
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