anchor.diff: -{ stdenv, fetchurl, pkgconfig, openssl, libjpeg, zlib, freetype, fontconfig, fribidi, SDL2, SDL, mesa, giflib, libpng, libtiff, glib, gst_all_1, libpulseaudio, libsndfile, xorg, libdrm, libxkbcommon, udev, utillinux, dbus, bullet, luajit, python27Packages, openjpeg, doxygen, expat, harfbuzz, jbig2dec, librsvg, dbus_libs, alsaLib, poppler, libraw, libspectre, xineLib, libwebp, curl, libinput, systemd }:
  -
  +{ stdenv, fetchurl, pkgconfig, openssl, libjpeg, zlib, lz4, freetype, fontconfig, fribidi, SDL2, SDL, mesa, giflib, libpng, libtiff, glib, gst_all_1, libpulseaudio, libsndfile, xorg, libdrm, libxkbcommon, udev, utillinux, dbus, bullet, luajit, python27Packages, openjpeg, doxygen, expat, harfbuzz, jbig2dec, librsvg, dbus_libs, alsaLib, poppler, ghostscript, libraw, libspectre, xineLib, libwebp, curl, libinput, systemd }:
   
   stdenv.mkDerivation rec {
     name = "efl-${version}";
  -  version = "1.17.2";
  +  version = "1.18.0";
   
     src = fetchurl {
       url = "http://download.enlightenment.org/rel/libs/efl/${name}.tar.xz";
  -    sha256 = "1dpq5flygrjg931nzsr2ra8icqffzrzbs1lnrzarbpsbmgq3zacs";
  +    sha256 = "17mzbjmz8d2vs8p63r1sk3mppl3l2fhxy2jv24dp75lgqbsvp806";
     };
   
     nativeBuildInputs = [ pkgconfig ];
   
  -  buildInputs = [ openssl zlib freetype fontconfig fribidi SDL2 SDL mesa
  -    giflib libpng libtiff glib gst_all_1.gstreamer gst_all_1.gst-plugins-base
  +  buildInputs = [ openssl zlib lz4 freetype fontconfig fribidi SDL2 SDL mesa
  +    giflib libpng libtiff glib gst_all_1.gstreamer gst_all_1.gst-plugins-base gst_all_1.gst-plugins-good
       gst_all_1.gst-libav libpulseaudio libsndfile xorg.libXcursor xorg.printproto
       xorg.libX11 udev utillinux systemd ];
   
  
positive.code:     xorg.libXdamage xorg.libXinerama xorg.libXp xorg.libXtst xorg.libXi xorg.libXext
      bullet xorg.libXScrnSaver xorg.libXrender xorg.libXfixes xorg.libXrandr
      xorg.libxkbfile xorg.libxcb xorg.xcbutilkeysyms openjpeg doxygen expat luajit
      harfbuzz jbig2dec librsvg dbus_libs alsaLib poppler libraw libspectre xineLib libwebp curl libdrm
      libinput ];
  
    # ac_ct_CXX must be set to random value, because then it skips some magic which does alternative searching for g++
    configureFlags = [ "--with-tests=none" "--enable-sdl" "--enable-drm" "--with-opengl=full"
      "--enable-image-loader-jp2k" "--enable-xinput22" "--enable-multisense" "--enable-systemd"
      "--enable-image-loader-webp" "--enable-harfbuzz" "--enable-xine" "--enable-fb"
      "--disable-tslib" "--with-systemdunitdir=$out/systemd/user"
      "ac_ct_CXX=foo" ];
  
    NIX_CFLAGS_COMPILE = [ "-I${xorg.libXtst}" "-I${dbus_libs.dev}/include/dbus-1.0" "-I${dbus_libs.lib}/lib/dbus-1.0/include" ];
  
    patches = [ ./efl-elua.patch ];
  
    preConfigure = ''
      export PKG_CONFIG_PATH="${gst_all_1.gst-plugins-base.dev}/lib/pkgconfig/gstreamer-video-0.10.pc:$PKG_CONFIG_PATH"
      export LD_LIBRARY_PATH="$(pwd)/src/lib/eina/.libs:$LD_LIBRARY_PATH"
    '';
  
  
negative.code:   enableParallelBuilding = true;
  
    meta = {
      description = "Enlightenment foundation libraries";
      homepage = http://enlightenment.org/;
      maintainers = with stdenv.lib.maintainers; [ matejc tstrobel ftrvxmtrx ];
      platforms = stdenv.lib.platforms.linux;
  