anchor.diff:  
       makeWrapper ${jre}/bin/java $out/bin/minecraft \
         --add-flags "-jar $out/share/minecraft/minecraft.jar" \
  -      --suffix LD_LIBRARY_PATH : ${stdenv.lib.makeLibraryPath [ libpulseaudio ]}
  +      --suffix LD_LIBRARY_PATH : ${libPath}
   
       cp $src $out/share/minecraft/minecraft.jar
       cp -r ${desktopItem}/share/applications $out/share
  
positive.code: { stdenv, fetchurl, makeDesktopItem, makeWrapper
  , jdk, jre, libpulseaudio
  }:
  
  let
  
negative.code:     genericName = "minecraft";
      categories = "Game;";
    };
  
    libPath = stdenv.lib.makeLibraryPath [
      libpulseaudio
      libXxf86vm # Needed only for versions <1.13
    ];
  
  in stdenv.mkDerivation {
    name = "minecraft-2015-07-24";
  