Merged revisions 1245946,1290839 via svnmerge from 
https://svn.eu.apache.org/repos/asf/perl/modperl/trunk

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  r1245946 | torsten | 2012-02-18 16:38:49 +0100 (Sat, 18 Feb 2012) | 1 line
  
  avoid hard-wired $(MAKE) options
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  r1290839 | torsten | 2012-02-18 19:31:38 +0100 (Sat, 18 Feb 2012) | 1 line
  
  pass MP_APXS and MP_AP_PREFIX to submodule Makefile.PLs as environment variables
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git-svn-id: https://svn.apache.org/repos/asf/perl/modperl/branches/threading@1291241 13f79535-47bb-0310-9956-ffa450edef68