anchor.diff:  { stdenv, fetchurl, meson, ninja, pkgconfig, SDL, SDL2, alsaLib,
     avahi, bullet, check, curl, dbus, doxygen, expat, fontconfig,
     freetype, fribidi, ghostscript, giflib, glib, gst_all_1, gtk3,
  -  harfbuzz, ibus, jbig2dec, libGL, libdrm, libinput, libjpeg, libpng,
  -  libpulseaudio, libraw, librsvg, libsndfile, libspectre, libtiff,
  -  libwebp, libxkbcommon, luajit, lz4, mesa, openjpeg, openssl,
  -  poppler, python27Packages, systemd, udev, utillinux, writeText,
  -  xorg, zlib
  -}:
  +  harfbuzz, hicolor-icon-theme, ibus, jbig2dec, libGL, libdrm,
  +  libinput, libjpeg, libpng, libpulseaudio, libraw, librsvg,
  +  libsndfile, libspectre, libtiff, libwebp, libxkbcommon, luajit, lz4,
  +  mesa, openjpeg, openssl, poppler, python27Packages, systemd, udev,
  +  utillinux, writeText, xorg, zlib }:
   
   stdenv.mkDerivation rec {
     pname = "efl";
  
positive.code:     xorg.libxkbfile
      xorg.xcbutilkeysyms
    ];
  
    mesonFlags = [
      "--buildtype=release"
  
negative.code:     xorg.libXcursor
      xorg.xorgproto
      zlib
      # still missing parent icon themes: Mint-X, RAVE-X, Faenza
    ];
  
    propagatedBuildInputs = [
  