anchor.diff:      '';
     
       nativeBuildInputs = [ file makeWrapper autoPatchelfHook ];
  -    buildInputs = [ jsoncpp ];
  +    buildInputs = [ jsoncpp libpulseaudio ];
   
       installPhase = ''
         rm bin/nxplayer bin/nxclient
  
positive.code: { stdenv, lib, file, fetchurl, makeWrapper, autoPatchelfHook, jsoncpp }:
  let
    versionMajor = "6.4";
    versionMinor = "6_1";
  
negative.code:     postFixup = ''
        makeWrapper $out/bin/nxplayer.bin $out/bin/nxplayer --set NX_SYSTEM $out/NX
        makeWrapper $out/bin/nxclient.bin $out/bin/nxclient --set NX_SYSTEM $out/NX
  
        # libnxcau.so needs libpulse.so.0 for audio to work, but doesn't
        # have a DT_NEEDED entry for it.
        patchelf --add-needed libpulse.so.0 $out/NX/lib/libnxcau.so
      '';
    
      dontBuild = true;
  