anchor.diff:        vulkan-headers
         vulkan-loader
         webrtc-audio-processing
  -      valgrind
         SDL2
         systemd
       ] ++ lib.optionals gstreamerSupport [ gst_all_1.gst-plugins-base gst_all_1.gstreamer ]
  
positive.code: , docutils
  , doxygen
  , graphviz
  , valgrind
  , glib
  , dbus
  , alsa-lib
  
negative.code:     ++ lib.optionals bluezSupport [ bluez libfreeaptx ldacbt sbc fdk_aac ]
      ++ lib.optional pulseTunnelSupport libpulseaudio
      ++ lib.optional zeroconfSupport avahi;
  
      # Valgrind binary is required for running one optional test.
      checkInputs = lib.optional withValgrind valgrind;
  
      mesonFlags = [
        "-Ddocs=enabled"
  