This example relies on:
  - Qt (libqt) and its dependencies: OpenGL (libGL), libpng, zlib (libz)
  - the C++ runtime libraries (libstdc++)

Installation:
  ./autogen.sh
  ./configure --prefix=/some/prefix --with-qt-dir=/usr/lib/qt3 --enable-threads
  make
  make install
Cleanup:
  make distclean
  ./autoclean.sh
