anchor.diff:      # Output plugins
       alsa          = [ alsa-lib ];
       jack          = [ libjack2 ];
  +    pipewire      = [ pipewire ];
       pulse         = [ libpulseaudio ];
       shout         = [ libshout ];
       # Commercial services
  
positive.code: 
      in stdenv.mkDerivation rec {
        pname = "mpd";
        version = "0.22.11";
  
        src = fetchFromGitHub {
          owner  = "MusicPlayerDaemon";
          repo   = "MPD";
          rev    = "v${version}";
          sha256 = "sha256-X+FnZ5W1p9GuOSIxTSp1Yok+kKsLjNPOKZkJSCYk8kM=";
        };
  
        buildInputs = [
          glib
          boost
          # According to the configurePhase of meson, gtest is considered a
          # runtime dependency. Quoting:
          #
  
negative.code: { lib, stdenv, fetchFromGitHub, meson, ninja, pkg-config, glib, systemd, boost, fmt
  # Darwin inputs
  , AudioToolbox, AudioUnit
  # Inputs
  