anchor.diff:  , protobuf, speechd, libXdamage, cups
   , ffmpeg, libxslt, libxml2, at-spi2-core
   , jre
  +, pipewire_0_2
   
   # optional dependencies
   , libgcrypt ? null # gnomeSupport || cupsSupport
  
positive.code:       libXScrnSaver libXcursor libXtst libGLU libGL
        pciutils protobuf speechd libXdamage at-spi2-core
        jre
      ] ++ optional useVaapi libva
        ++ optional gnomeKeyringSupport libgnome-keyring3
        ++ optionals gnomeSupport [ gnome.GConf libgcrypt ]
  
negative.code:       # added later in the wrapped -wv build or downloaded from Google.
        enable_widevine = true;
        use_cups = cupsSupport;
        # Provides the enable-webrtc-pipewire-capturer flag to support Wayland screen capture.
        rtc_use_pipewire = true;
  
        treat_warnings_as_errors = false;
        is_clang = stdenv.cc.isClang;
  