From fcb58bdb3826a3ba6eaeb133313fea148d843926 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 29 Jul 2013 05:52:53 +0000
Subject: mkmf.rb: expand all macros

* lib/mkmf.rb (xsystem): expand environment variable in all macros not
  expanded with RbConfig.  [Bug #8702]
* test/mkmf/test_framework.rb (create_framework): replace all $@ not
  only once.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42223 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 0e78d74e1b..682eb46572 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -378,7 +378,7 @@ module MakeMakefile
   def xsystem command, opts = nil
     varpat = /\$\((\w+)\)|\$\{(\w+)\}/
     if varpat =~ command
-      vars = Hash.new {|h, k| h[k] = ''; ENV[k]}
+      vars = Hash.new {|h, k| h[k] = ENV[k]}
       command = command.dup
       nil while command.gsub!(varpat) {vars[$1||$2]}
     end
-- 
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