anchor.diff:      '';
       license = licenses.gpl3;
       maintainers = with maintainers; [ womfoo sikmir ];
  -    platforms = platforms.linux;
  +    platforms = with platforms; linux ++ darwin;
     };
   }
  
positive.code: { mkDerivation, lib, fetchFromGitHub, qmake, qttools }:
  
  mkDerivation rec {
    pname = "gpxsee";
  
negative.code:     lrelease lang/*.ts
    '';
  
    postInstall = lib.optionalString stdenv.isDarwin ''
      mkdir -p $out/Applications
      mv GPXSee.app $out/Applications
      wrapQtApp $out/Applications/GPXSee.app/Contents/MacOS/GPXSee
    '';
  
    enableParallelBuilding = true;
  
    meta = with lib; {
  