anchor.diff:        '';
       NIX_CFLAGS_COMPILE = "-DCURL_STRICTER";
       doCheck = false; # performs network access
  +    meta.broken = stdenv.lib.versionAtLeast (stdenv.lib.getVersion pkgs.curl) "7.66"; # broken since "curl: 7.65.3 -> 7.66.0"
     };
   
     WWWFormUrlEncoded = buildPerlModule {
  
positive.code:       sha256 = "1r6976bs86j7zp51m5vh42xlyah951jgdlkimv202413kjvqc2i5";
      };
      buildInputs = stdenv.lib.optional stdenv.isDarwin pkgs.darwin.apple_sdk.frameworks.Carbon;
    };
  
    SysHostnameLong = buildPerlPackage {
  
negative.code:     };
      propagatedBuildInputs = [ ExceptionClass Tk X11ProtocolOther XMLSimple ];
      buildInputs = [ DataDump FileWhich Readonly TestDifferences TestTrap ];
      preCheck = "rm t/30cluster.t"; # do not run failing tests
      postInstall = ''
        mkdir -p $out/etc/bash_completion.d
        mv $out/bin/clusterssh_bash_completion.dist \
  