anchor.diff:        homepage = http://search.cpan.org/perldoc?CPAN::Meta::Spec;
         description = "IO Interface to compressed data files/buffers";
         license = "perl5";
  +      platforms = stdenv.lib.platforms.linux;
       };
       doCheck = !stdenv.isDarwin;
     };
  
positive.code:     meta = {
        description = "The World-Wide Web library for Perl";
        license = "perl";
      };
    };
  
  
negative.code:       sha256 = "0hy1225zg2yg11xhgj0wbiapzjyf6slx17ln36zqvfm07k6widlx";
      };
      doCheck = false; # no `hostname' in stdenv
      meta = {
        platforms = stdenv.lib.platforms.linux;
      };
    };
  
    TAPParserSourceHandlerpgTAP = buildPerlModule {
  