anchor.diff:      echo 'LIBUSB_INCLUDE = ${libusb.dev}/include' >> src/gcconfig.pri
       echo 'LIBUSB_LIBS = -L${libusb}/lib -lusb' >> src/gcconfig.pri
       sed -i -e '21,23d' qwt/qwtconfig.pri # Removed forced installation to /usr/local
  +
  +    # Use qtwebengine instead of qtwebkit
  +    substituteInPlace src/gcconfig.pri \
  +      --replace "#DEFINES += NOWEBKIT" "DEFINES += NOWEBKIT"
     '';
   
     installPhase = ''
  
positive.code:   };
  
    buildInputs = [
      qtbase qtsvg qtserialport qtwebkit qtmultimedia qttools zlib
      qtconnectivity qtcharts libusb
    ];
    nativeBuildInputs = [ flex makeWrapper qmake yacc ];
  
negative.code: { stdenv, fetchFromGitHub, mkDerivation
  , qtbase, qtsvg, qtserialport, qtwebengine, qtmultimedia, qttools
  , qtconnectivity, qtcharts, libusb
  , yacc, flex, zlib, qmake, makeDesktopItem, makeWrapper
  }:
  