From 65cdbd0667ae56198e8ebd7b2b06a6a35c14b718 Mon Sep 17 00:00:00 2001
From: eban <eban@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 31 Jul 2000 09:43:14 +0000
Subject: [PATCH] eban

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@864 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 mkconfig.rb | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/mkconfig.rb b/mkconfig.rb
index c83e5f8d8f..2e346c15af 100644
--- a/mkconfig.rb
+++ b/mkconfig.rb
@@ -83,7 +83,22 @@ end
 print v_fast, v_others
 print <<EOS
   CONFIG["compile_dir"] = "#{Dir.pwd}"
-  MAKEFILE_CONFIG = CONFIG.dup
+  MAKEFILE_CONFIG = {}
+  CONFIG.each{|k,v| MAKEFILE_CONFIG[k] = v.dup}
+  def Config::expand(val)
+    val.gsub!(/\\$\\(([^()]+)\\)/) do |var|
+      key = $1
+      if CONFIG.key? key
+        "\#{Config::expand(CONFIG[\\\"\#{key}\\\"])}"
+      else
+	var
+      end
+    end
+    val
+  end
+  CONFIG.each_value do |val|
+    Config::expand(val)
+  end
 end
 EOS
 config.close