anchor.diff:      '';
     
       nativeBuildInputs = [ file makeWrapper autoPatchelfHook ];
  -    buildInputs = [ jsoncpp ];
  +    buildInputs = [ jsoncpp libpulseaudio ];
   
       installPhase = ''
         rm bin/nxplayer bin/nxclient
  
positive.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
      '';
    
      dontBuild = true;
  
negative.code: { stdenv, lib, file, fetchurl, makeWrapper,
    autoPatchelfHook, jsoncpp, libpulseaudio }:
  let
    versionMajor = "6.4";
    versionMinor = "6_1";
  