anchor.diff:  , python3
   , meson
   , ninja
  +, eudev
   , systemd
  +, enableSystemd ? true
   , pkg-config
   , docutils
   , doxygen
  
positive.code:         cp ${buildPackages.pipewire}/nix-support/*.json "$out/nix-support"
        ''}
  
        moveToOutput "share/systemd/user/pipewire-pulse.*" "$pulse"
        moveToOutput "lib/systemd/user/pipewire-pulse.*" "$pulse"
        moveToOutput "bin/pipewire-pulse" "$pulse"
  
        moveToOutput "bin/pw-jack" "$jack"
  
negative.code:       "-Dlibpulse=${mesonEnableFeature pulseTunnelSupport}"
        "-Davahi=${mesonEnableFeature zeroconfSupport}"
        "-Dgstreamer=${mesonEnableFeature gstreamerSupport}"
        "-Dsystemd-system-service=${mesonEnableFeature enableSystemd}"
        "-Dudev=${mesonEnableFeature (!enableSystemd)}"
        "-Dudevrulesdir=${placeholder "out"}/lib/udev/rules.d"
        "-Dffmpeg=${mesonEnableFeature ffmpegSupport}"
        "-Dbluez5=${mesonEnableFeature bluezSupport}"
        "-Dbluez5-backend-hsp-native=${mesonEnableFeature nativeHspSupport}"
  