nobu	2009-08-26 17:00:37 +0900 (Wed, 26 Aug 2009)

  New Revision: 24665

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=24665

  Log:
    * tool/mkconfig.rb (program_transform_name): fix for autoconf 2.61
      or earlier.

  Modified files:
    trunk/ChangeLog
    trunk/tool/mkconfig.rb

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 24664)
+++ ChangeLog	(revision 24665)
@@ -1,3 +1,8 @@
+Wed Aug 26 17:00:31 2009  Nobuyoshi Nakada  <nobu@r...>
+
+	* tool/mkconfig.rb (program_transform_name): fix for autoconf 2.61
+	  or earlier.
+
 Wed Aug 26 14:34:39 2009  Nobuyoshi Nakada  <nobu@r...>
 
 	* lib/tempfile.rb (Tempfile#close!, Tempfile#path): added side
Index: tool/mkconfig.rb
===================================================================
--- tool/mkconfig.rb	(revision 24664)
+++ tool/mkconfig.rb	(revision 24665)
@@ -84,7 +84,7 @@
     when /^\$ac_\w+$/; next
     end
     if /^program_transform_name$/ =~ name
-      val.sub!(/\As(\W)(?:\^|\$\$)\1\1(;|\z)/, '')
+      val.sub!(/\As(\\?\W)(?:\^|\${1,2})\1\1(;|\z)/, '')
       if val.empty?
         $install_name ||= "ruby"
         next
@@ -92,7 +92,7 @@
       unless $install_name
         $install_name = "ruby"
         val.gsub!(/\$\$/, '$')
-        val.scan(%r[\G[\s;]*(/(?:\\.|[^/])*/)?([sy])(\W)((?:\\.|(?!\3).)*)\3((?:\\.|(?!\3).)*)\3([gi]*)]) do
+        val.scan(%r[\G[\s;]*(/(?:\\.|[^/])*/)?([sy])(\\?\W)((?:\\.|(?!\3).)*)\3((?:\\.|(?!\3).)*)\3([gi]*)]) do
           |addr, cmd, sep, pat, rep, opt|
           if addr
             Regexp.new(addr[/\A\/(.*)\/\z/, 1]) =~ $install_name or next

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