anchor.diff:        "-DLINUX_AUDIO_BACKEND=${audioBackend}"
       ];
   
  +   # Prevent double-wrapping, inject wrapper args manually instead.
  +  dontWrapGApps = true;
  +  preFixup = ''
  +    qtWrapperArgs+=("''${gappsWrapperArgs[@]}")
  +  '';
  +
     meta = with lib; {
       description = "Software defined radio (SDR) receiver";
       longDescription = ''
  
positive.code: , fftwFloat
  , alsa-lib
  , libjack2
  # drivers (optional):
  , rtl-sdr
  , hackrf
  
negative.code:     cmake
      pkg-config
      qt5.wrapQtAppsHook
      wrapGAppsHook
    ];
    buildInputs = [
      gnuradio3_8Minimal.unwrapped.log4cpp
  