$ tar xf gtk+-3.24.46.tar.xz               # unpack the sources
    $ cd gtk+-3.24.46                          # change to the topleveldirectory
    $ meson setup _build                       # configure GTK+
    $ meson compile -C _build                  # build GTK+
                                               # Become root if necessary ]
    $ meson install -C _build                  # install GTK+