anchor.diff:    installPhase =
       ''
         # Delete unecessary libraries - these are provided by nixos.
  -      rm libQt*.so.*
  +      rm *.so.*
         rm qt.conf
   
         # Install files.
  
positive.code:       ln -s $out/lib/teamspeak/ts3client $out/bin/ts3client
  
        wrapProgram $out/bin/ts3client \
          --set LD_PRELOAD "${libredirect}/lib/libredirect.so:$out/lib/teamspeak/libquazip.so.1" \
          --set QT_PLUGIN_PATH "$out/lib/teamspeak/platforms" \
          --set NIX_REDIRECTS /usr/share/X11/xkb=${xkeyboard_config}/share/X11/xkb
      '';
  
negative.code: { stdenv, fetchurl, makeWrapper, zlib, glib, libpng, freetype, xorg
  , fontconfig, xlibs, qt5, xkeyboard_config, alsaLib, pulseaudio ? null
  , libredirect, quazip
  }:
  
  let
  