anchor.diff:  
   , xorg, libxkbcommon
   , fontconfig, freetype, openssl, dbus, glib, udev, libxml2, libxslt, pcre
  -, zlib, libjpeg, libpng, libtiff, sqlite, icu
  +, zlib, libjpeg, libpng, libtiff, sqlite, icu, harfbuzz, libinput, mtdev
   
   , coreutils, bison, flex, gdb, gperf, ruby
   , python, perl, pkgconfig
  
positive.code:   propagatedBuildInputs = [
      xorg.libXcomposite xorg.libX11 xorg.libxcb xorg.libXext xorg.libXrender xorg.libXi
      fontconfig freetype openssl dbus.libs glib udev libxml2 libxslt pcre
      zlib libjpeg libpng libtiff sqlite icu
      xorg.xcbutil xorg.xcbutilimage xorg.xcbutilkeysyms xorg.xcbutilwm libxkbcommon
    ]
    # Qt doesn't directly need GLU (just GL), but many apps use, it's small and
  
negative.code:       make docs && make install_docs
      '';
  
    preFixup = ''
      sed -i 's,-lqtharfbuzzng,,g' $out/lib/pkgconfig/Qt5Gui.pc
    '';
  
    inherit (xorg) lndir;
    setupHook = ./setup-hook.sh;
  
  