anchor.diff:    meta = {
       description = "Enlightenment foundation libraries";
       homepage = http://enlightenment.org/;
  -    maintainers = with stdenv.lib.maintainers; [ matejc tstrobel ftrvxmtrx ];
       platforms = stdenv.lib.platforms.linux;
       license = stdenv.lib.licenses.lgpl3;
  +    maintainers = with stdenv.lib.maintainers; [ matejc tstrobel ftrvxmtrx ];
     };
   }
  
positive.code: 
  stdenv.mkDerivation rec {
    name = "efl-${version}";
    version = "1.18.4";
  
    src = fetchurl {
      url = "http://download.enlightenment.org/rel/libs/efl/${name}.tar.xz";
      sha256 = "09c0ajszjarcs6d62zlgnf1aha2f921mfr0gxg6nwza36xzc1srr";
    };
  
    nativeBuildInputs = [ pkgconfig ];
  
negative.code:     libinput ];
  
    # ac_ct_CXX must be set to random value, because then it skips some magic which does alternative searching for g++
    configureFlags = [
      "--enable-sdl"
      "--enable-drm"
      "--enable-elput"
      "--with-opengl=full"
      "--enable-image-loader-jp2k"
      "--enable-xinput22"
      "--enable-multisense"
      "--enable-liblz4"
      "--enable-systemd"
      "--enable-image-loader-webp"
      "--enable-harfbuzz"
      "--enable-xine"
      "--enable-fb"
      "--disable-tslib"
      "--with-systemdunitdir=$out/systemd/user"
      "ac_ct_CXX=foo"
    ];
  
    patches = [ ./efl-elua.patch ];
  
    preConfigure = ''
      export LD_LIBRARY_PATH="$(pwd)/src/lib/eina/.libs:$LD_LIBRARY_PATH"
      export HOME="$TEMPDIR"
    '';
  
    postInstall = ''
  