digraph stack
{
  compound=true;
  rankdir="LR";
  node [
    shape="box";
  ]

  gcc -> gsettings

  xf86libinput -> libinput

  subgraph cluster0 {
    label="X.Org";
    xf86libinput [label="xf86-input-libinput"];
    xserver [label="X Server"];
    xserver -> xf86libinput;
  }

  gcc [label="gnome-control-center"];

  subgraph cluster3 {
    gsettings
  }

  gsd [label="mutter"];

  gsd -> gsettings
  gsd -> xserver
}