anchor.diff:      chmod +x $out/bin/jitsi
       sed -i 's| java | ${jdk}/bin/java |' $out/bin/jitsi
       patchShebangs $out
  +
  +    libPath="$libPath:${jdk.jre.home}/lib/${jdk.architecture}"
  +    find $out/ -type f -name '*.so' | while read file; do
  +      patchelf --set-rpath "$libPath" "$file" && \
  +          patchelf --shrink-rpath "$file"
  +    done
     '';
   
     meta = {
  
positive.code:     categories = "Application;Internet;";
    };
  
    buildInputs = [unzip ant jdk];
  
    buildPhase = ''ant make'';
  
negative.code: { stdenv, lib, fetchurl, makeDesktopItem, unzip, ant, jdk
  # Optional, Jitsi still runs without, but you may pass null:
  , alsaLib, dbus_libs, gtk2, libpulseaudio, openssl, xlibs
  }:
  
  stdenv.mkDerivation rec {
  
  