anchor.diff:  { stdenv, makeWrapper, fetchurl, dpkg
   , alsaLib, atk, cairo, cups, dbus, expat, fontconfig, freetype
  -, gdk_pixbuf, glib, gnome2, nspr, nss, gtk3, gtk2, at-spi2-atk 
  +, gdk_pixbuf, glib, gnome2, nspr, nss, gtk3, gtk2, at-spi2-atk
  +, gsettings-desktop-schemas, gobject-introspection, wrapGAppsHook
   , libX11, libXScrnSaver, libXcomposite, libXcursor, libXdamage, libXext
   , libXfixes, libXi, libXrandr, libXrender, libXtst, libxcb, nghttp2
   , libudev0-shim, glibc, curl, openssl, autoPatchelfHook
  
positive.code:     gnome2.pango
      gtk2
      gtk3
      libX11
      libXScrnSaver
      libXcomposite
  
negative.code:     autoPatchelfHook
      dpkg
      makeWrapper
      gobject-introspection wrapGAppsHook
    ];
    
    buildInputs = [
  