anchor.diff:  qtbase,
   qtmultimedia,
   qtwebsockets,
  +rtl-sdr,
   serialdv
   }:
   
  
positive.code: {
  boost,
  cm256cc,
  cmake,
  
negative.code:   nativeBuildInputs = [ cmake pkgconfig ];
    buildInputs = [
      glew opencv3 libusb boost libopus limesuite libav libiio libpulseaudio
      qtbase qtwebsockets qtmultimedia rtl-sdr airspy hackrf
      fftwFloat codec2' cm256cc serialdv
    ];
    cmakeFlags = [
      "-DLIBSERIALDV_INCLUDE_DIR:PATH=${serialdv}/include/serialdv"
  