anchor.diff:  
     buildPhase = "
       mv lib tmp
  -    mkdir -p lib/perl5/
  -    mv tmp lib/perl5/site_perl
  +    mkdir -p lib/perl5/site_perl
  +    mv CPAN_used/* lib/perl5/site_perl
  +    cp -rf tmp/* lib/perl5/site_perl
       mv Slim lib/perl5/site_perl
     ";
   
  
positive.code: 
  
    prePatch = ''
      rm -rf CPAN
      rm -rf Bin
      touch Makefile.PL
  
negative.code:     perlPackages.AudioScan
      perlPackages.CarpClan
      perlPackages.CGI
      perlPackages.ClassXSAccessor
      perlPackages.DataDump
      perlPackages.DataURIEncode
      perlPackages.DBDSQLite
  