nobu	2013-05-24 00:18:05 +0900 (Fri, 24 May 2013)

  New Revision: 40902

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=40902

  Log:
    extmk.rb: don't duplicate
    
    * ext/extmk.rb (extract_makefile): do not add dldflags if duplicated.

  Modified files:
    trunk/ext/extmk.rb

Index: ext/extmk.rb
===================================================================
--- ext/extmk.rb	(revision 40901)
+++ ext/extmk.rb	(revision 40902)
@@ -105,7 +105,9 @@ def extract_makefile(makefile, keep = tr https://github.com/ruby/ruby/blob/trunk/ext/extmk.rb#L105
     /^STATIC_LIB[ \t]*=[ \t]*\S+/ =~ m or $static = false
   end
   $preload = Shellwords.shellwords(m[/^preload[ \t]*=[ \t]*(.*)/, 1] || "")
-  $DLDFLAGS += " " + (m[/^dldflags[ \t]*=[ \t]*(.*)/, 1] || "")
+  if dldflags = m[/^dldflags[ \t]*=[ \t]*(.*)/, 1] and !$DLDFLAGS.include?(dldflags)
+    $DLDFLAGS += " " + dldflags
+  end
   if s = m[/^LIBS[ \t]*=[ \t]*(.*)/, 1]
     s.sub!(/^#{Regexp.quote($LIBRUBYARG)} */, "")
     s.sub!(/ *#{Regexp.quote($LIBS)}$/, "")

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