anchor.diff:        vector tiles without (almost) any application modifications.
       '';
       homepage = "https://github.com/tumic0/QtPBFImagePlugin";
  -    license = licenses.lgpl3;
  +    license = licenses.lgpl3Only;
       maintainers = with maintainers; [ sikmir ];
       platforms = platforms.unix;
     };
  
positive.code:     # Fix plugin dir
      substituteInPlace pbfplugin.pro \
        --replace "\$\$[QT_INSTALL_PLUGINS]" "$out/$qtPluginPrefix"
  
      # Fix darwin build
      substituteInPlace pbfplugin.pro \
        --replace '$$PROTOBUF/lib/libprotobuf-lite.a' '${protobuf}/lib/libprotobuf-lite.dylib'
  
negative.code: 
  stdenv.mkDerivation rec {
    pname = "qtpbfimageplugin";
    version = "2.3";
  
    src = fetchFromGitHub {
      owner = "tumic0";
      repo = "QtPBFImagePlugin";
      rev = version;
      sha256 = "063agzcrcihasqqk2yqxqxg9xknjs99y6vx3n1v7md7dqnfv4iva";
    };
  
    nativeBuildInputs = [ qmake ];
  