From 072ab753ec04dc7578abeeeea23fe2d47e2d75fc Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 1 Nov 2012 18:24:39 +0000
Subject: [PATCH] lib/mkmf.rb: fix for if config["libdir"] is nil.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37410 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog   | 8 ++++++--
 lib/mkmf.rb | 2 +-
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 479dd9ba25..5c6015a3cf 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,7 +1,11 @@
+Fri Nov  2 03:23:37 2012  NARUSE, Yui  <naruse@ruby-lang.org>
+
+	* lib/mkmf.rb: fix for if config["libdir"] is nil.
+
 Thu Nov  1 23:06:01 2012  NARUSE, Yui  <naruse@ruby-lang.org>
 
-       * tool/make-snapshot: fix wrong regexp for releasing preview.
-         patched by mame.
+	* tool/make-snapshot: fix wrong regexp for releasing preview.
+	  patched by mame.
 
 Thu Nov  1 22:27:11 2012  Koichi Sasada <ko1@atdot.net>
 
diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index 0996392300..62b3c5f3f6 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -2315,7 +2315,7 @@ site-install-rb: install-rb
     $extout ||= nil
     $extout_prefix ||= nil
 
-    @libdir_basename = config["libdir"][/\A\$\(exec_prefix\)\/(.*)/, 1] || "lib"
+    @libdir_basename = config["libdir"] && config["libdir"][/\A\$\(exec_prefix\)\/(.*)/, 1] or "lib"
 
     $arg_config.clear
     dir_config("opt")