anchor.diff:      glib
       gnome2.GConf
       gtk3
  -    libuuid
       libX11
  +    libXScrnSaver
       libXcomposite
       libXcursor
       libXdamage
  
positive.code: { stdenv, lib, fetchurl,
    dpkg,
    alsaLib,
    at-spi2-atk,
    atk,
    cairo,
    cups,
    dbus,
    expat,
    fontconfig,
    freetype,
    gdk_pixbuf,
    glib,
    gnome2,
    gnome3,
    gtk3,
    libuuid,
    libX11,
    libXcomposite,
    libXcursor,
    libXdamage,
    libXext,
    libXfixes,
    libXi,
    libXrandr,
    libXrender,
    libXScrnSaver,
    libXtst,
    nspr,
    nss,
    pango,
    udev,
    xorg,
    zlib,
    xdg_utils,
    wrapGAppsHook
  }:
  
  let rpath = lib.makeLibraryPath [
      alsaLib
      at-spi2-atk
      atk
      cairo
      cups
  
negative.code:     libXi
      libXrandr
      libXrender
      libXtst
      libuuid
      nspr
      nss
      pango
      udev
      xdg_utils
      xorg.libxcb
      zlib
  ];
  
  
  