anchor.diff:        url = "mirror://cpan/authors/id/E/ET/ETJ/ExtUtils-CppGuess-0.21.tar.gz";
         sha256 = "0ls1y9bb2nff9djli91s86541r7ajcjp22gqhcdmj7hs69w92qpz";
       };
  +    doCheck = !stdenv.isDarwin;
       nativeBuildInputs = [ pkgs.ld-is-cc-hook ];
       propagatedBuildInputs = [ CaptureTiny ];
       buildInputs = [ ModuleBuild ];
  
positive.code:     postCheck = ''
        rm -r $out/lib
      '';
      meta = {
        description = "Dynamically create Perl language bindings";
        license = lib.licenses.lgpl2Plus;
  
negative.code:     };
      propagatedBuildInputs = [ perlldap CatalystPluginAuthentication ClassAccessor ];
      buildInputs = [ TestMockObject TestException NetLDAPServerTest ];
      doCheck = !stdenv.isDarwin; # t/02-realms_api.t and t/50.auth.case.sensitivity.t
      meta = {
        description= "Authentication from an LDAP Directory";
        license = with lib.licenses; [ artistic1 ];
  