This example relies on:
  - the GTK libraries (libgtk, libgdk), version 3.10 or later
  - the glib libraries (libglib)
  - the GTK / C++ bindings (libgtkmm)

Installation:
  ./autogen.sh
  ./configure --prefix=/some/prefix
  make
  make install
Cleanup:
  make distclean
  ./autoclean.sh
