nobu	2014-09-30 10:17:01 +0900 (Tue, 30 Sep 2014)

  New Revision: 47742

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=47742

  Log:
    common.mk: update only non-existing files
    
    * common.mk (update-config_files): update only non-existing files,
      and get rid of trying to download existing files every time.
      gitweb does not send Last-Modified header.

  Modified files:
    trunk/common.mk
Index: common.mk
===================================================================
--- common.mk	(revision 47741)
+++ common.mk	(revision 47742)
@@ -1077,7 +1077,7 @@ up:: https://github.com/ruby/ruby/blob/trunk/common.mk#L1077
 
 update-config_files:
 	$(Q) $(BASERUBY) -C "$(srcdir)/tool" \
-	    ../tool/downloader.rb gnu \
+	    ../tool/downloader.rb -e gnu \
 	    config.guess config.sub
 
 update-gems: PHONY

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