anchor.diff:    '';
   
     preConfigure = ''
  -    export LD_LIBRARY_PATH="$(pwd)/src/lib/eina/.libs:$LD_LIBRARY_PATH"
  +    # allow ecore_con to find libcurl.so, which is a runtime dependency (it is dlopened)
  +    export LD_LIBRARY_PATH="${curl.out}/lib:$LD_LIBRARY_PATH"
  +
       source "$setupHook"
     '';
   
     NIX_CFLAGS_COMPILE = [ "-DluaL_reg=luaL_Reg" ]; # needed since luajit-2.1.0-beta3
   
     postInstall = ''
  +    # fix use of $out variable
       substituteInPlace "$out/share/elua/core/util.lua" --replace '$out' "$out"
  +
  +    # add all module include dirs to the Cflags field in efl.pc
       modules=$(for i in "$out/include/"*/; do printf ' -I''${includedir}/'`basename $i`; done)
  -    substituteInPlace "$out/lib/pkgconfig/efl.pc" --replace 'Cflags: -I''${includedir}/efl-1' \
  -      'Cflags: -I''${includedir}/eina-1/eina'"$modules"
  +    substituteInPlace "$out/lib/pkgconfig/efl.pc" \
  +      --replace 'Cflags: -I''${includedir}/efl-1' \
  +                'Cflags: -I''${includedir}/eina-1/eina'"$modules"
   
       # build icon cache
       gtk-update-icon-cache "$out"/share/icons/Enlightenment-X
     '';
   
  -  # EFL applications depend on libcurl, although it is linked at
  -  # runtime by hand in code (it is dlopened).
     postFixup = ''
  +    # EFL applications depend on libcurl, which is linked at runtime by hand in code (it is dlopened)
       patchelf --add-needed ${curl.out}/lib/libcurl.so $out/lib/libecore_con.so
     '';
  -
  -  enableParallelBuilding = true;
   
     meta = {
       description = "Enlightenment foundation libraries";
  
positive.code: { stdenv, fetchurl, pkgconfig, SDL, SDL2, alsaLib, bullet, curl, dbus,
    doxygen, expat, fontconfig, freetype, fribidi, ghostscript, giflib,
    glib, gst_all_1, gtk3, harfbuzz, jbig2dec, libGL, libdrm, libinput,
    libjpeg, libpng, libpulseaudio, libraw, librsvg, libsndfile,
    libspectre, libtiff, libwebp, libxkbcommon, luajit, lz4, mesa,
    openjpeg, openssl, poppler, python27Packages, systemd, udev,
  
negative.code:     xorg.xcbutilkeysyms
    ];
  
    mesonFlags = [
      "--buildtype=release"
      "-D build-tests=false" # disable build tests, which are not working
      "-D drm=true"
      "-D embedded-lz4=false"
      "-D evas-loaders-disabler=json"
      "-D fb=true"
      "-D opengl=full"
      "-D sdl=true"
    ];
  
    patches = [ ./efl-elua.patch ];
  
    postPatch = ''
      patchShebangs src/lib/elementary/config_embed
  
      # fix destination of systemd unit and dbus service
      substituteInPlace systemd-services/meson.build --replace "dep.get_pkgconfig_variable('systemduserunitdir')" "'$out/systemd/user'"
      substituteInPlace dbus-services/meson.build --replace "dep.get_pkgconfig_variable('session_bus_services_dir')" "'$out/share/dbus-1/services'"
    '';
  
    # bin/edje_cc creates $HOME/.run, which would break build of reverse dependencies.
  