As a special exception, the copyright holders of this library give
you permission to link this library with independent modules to
produce an executable, regardless of the license terms of these
independent modules, and to copy and distribute the resulting
executable under terms of your choice, provided that you also
meet, for each linked independent module, the terms and conditions
of the license of that module. An independent module is a module
which is not derived from or based on this library. If you modify
this library, you may extend this exception to your version of
the library, but you are not obligated to do so. If you do not
wish to do so, delete this exception statement from your version.
