anchor.diff:    '';
   
     cmakeFlags = [
  +    "-DGTEST_ROOT=${gtest.src}/googletest"
       "-DQT_TRANSLATIONS_DIR=${qt5.qttranslations}/translations"
       # XXX I would prefer to include these here, though we will need to file a bug upstream to get that changed.
       #"-DDFU_UTIL_PATH=${dfu-util}/bin/dfu-util"
       #"-DAVRDUDE_PATH=${avrdude}/bin/avrdude"
  -    "-DNANO=OFF"
  +    "-DNANO=NO"
     ];
   
     meta = with stdenv.lib; {
  
positive.code: { stdenv, fetchFromGitHub
  , cmake, gcc-arm-embedded, binutils-arm-embedded, python
  , qt5, SDL, gmock
  , dfu-util, avrdude
  }:
  
  
negative.code:   buildInputs = with qt5; [
      python python.pkgs.pyqt4
      qtbase qtmultimedia qttranslations
      SDL
    ];
  
    postPatch = ''
  