anchor.diff:  { stdenv, fetchurl, makeDesktopItem, wrapGAppsHook
  -, atk, at-spi2-atk, alsaLib, cairo, cups, dbus, expat, gdk-pixbuf, glib, gtk3
  -, freetype, fontconfig, nss, nspr, pango, udev, libX11, libxcb, libXi
  +, atk, at-spi2-atk, at-spi2-core, alsaLib, cairo, cups, dbus, expat, gdk-pixbuf, glib, gtk3
  +, freetype, fontconfig, nss, nspr, pango, udev, libuuid, libX11, libxcb, libXi
   , libXcursor, libXdamage, libXrandr, libXcomposite, libXext, libXfixes
   , libXrender, libXtst, libXScrnSaver
   }:
  
positive.code:     nspr
      pango
      udev
      libX11
      libxcb
      libXi
  
negative.code:     stdenv.cc.cc.lib
      atk
      at-spi2-atk
      at-spi2-core
      alsaLib
      cairo
      cups
  