anchor.diff:  
       rm "$out/${appdir}/libdrm.so.2"
       rm "$out/${appdir}/libffi.so.6"
  -    rm "$out/${appdir}/libicudata.so.42"
  -    rm "$out/${appdir}/libicui18n.so.42"
  -    rm "$out/${appdir}/libicuuc.so.42"
       rm "$out/${appdir}/libGL.so.1"
  -    rm "$out/${appdir}/libpopt.so.0"
  -    rm "$out/${appdir}/libQt5Core.so.5"
  -    rm "$out/${appdir}/libQt5DBus.so.5"
  -    rm "$out/${appdir}/libQt5Gui.so.5"
  -    rm "$out/${appdir}/libQt5Network.so.5"
  -    rm "$out/${appdir}/libQt5OpenGL.so.5"
  -    rm "$out/${appdir}/libQt5PrintSupport.so.5"
  -    rm "$out/${appdir}/libQt5Qml.so.5"
  -    rm "$out/${appdir}/libQt5Quick.so.5"
  -    rm "$out/${appdir}/libQt5Sql.so.5"
  -    rm "$out/${appdir}/libQt5WebKit.so.5"
  -    rm "$out/${appdir}/libQt5WebKitWidgets.so.5"
  -    rm "$out/${appdir}/libQt5Widgets.so.5"
       rm "$out/${appdir}/libX11-xcb.so.1"
  -
  -    rm "$out/${appdir}/qt.conf"
  -    rm -fr "$out/${appdir}/plugins"
   
       mkdir -p "$out/share/applications"
       cp "${desktopItem}/share/applications/"* $out/share/applications
  
positive.code: 
      mkdir -p "$out/bin"
      RPATH="${ldpath}:$out/${appdir}"
      makeQtWrapper "$out/${appdir}/dropbox" "$out/bin/dropbox" \
        --prefix LD_LIBRARY_PATH : "$RPATH"
    '';
  
  
negative.code: 
    sourceRoot = ".dropbox-dist";
  
    nativeBuildInputs = [ makeWrapper patchelf ];
    dontPatchELF = true; # patchelf invoked explicitly below
    dontStrip = true; # already done
  
  