anchor.diff:      # R21
       erlangR21 = self.beamLib.callErlang ../development/interpreters/erlang/R21.nix {
         openssl = openssl_1_1;
  -      wxGTK = wxGTK30;
  +      wxGTK = wxGTK32;
         autoconf = buildPackages.autoconf269;
         inherit wxSupport systemdSupport;
       };
  
positive.code: 
      # R24
      erlangR24 = self.beamLib.callErlang ../development/interpreters/erlang/R24.nix {
        wxGTK = wxGTK30;
        # Can be enabled since the bug has been fixed in https://github.com/erlang/otp/pull/2508
        parallelBuild = true;
        autoconf = buildPackages.autoconf269;
  
negative.code: 
      # R25
      erlangR25 = self.beamLib.callErlang ../development/interpreters/erlang/R25.nix {
        wxGTK = wxGTK32;
        parallelBuild = true;
        autoconf = buildPackages.autoconf269;
        inherit wxSupport systemdSupport;
  