$NetBSD: patch-ab,v 1.1 2008/06/19 14:52:45 taca Exp $

--- setup.rb.orig	2004-10-30 14:17:39.000000000 +0000
+++ setup.rb
@@ -1109,7 +1109,7 @@ class Installer
 
   def extconf
     opt = @options['config-opt'].join(' ')
-    command "#{config('rubyprog')} #{curr_srcdir()}/extconf.rb #{opt}"
+    command "#{config('rubyprog')} #{curr_srcdir()}/extconf.rb #{opt} --vendor"
   end
 
   def config_dir_data(rel)