The C++ portions of the Xtensa C Library (xclib) include
Cadence proprietary modifications and additions, as well
as portions covered by the following old-style MIT license.


  Permission to use, copy, modify, distribute and sell this
  software and its documentation for any purpose is hereby
  granted without fee, provided that the above copyright notice
  appear in all copies and that both that copyright notice and
  this permission notice appear in supporting documentation.
  <ORGANISATION> makes no representations about the
  suitability of this software for any purpose. It is provided
  "as is" without express or implied warranty.


where:

  <ORGANISATION> = Hewlett-Packard Company
  Copyright (c) 1994
  Hewlett-Packard Company

and

  <ORGANISATION> = William E. Kempf
  (c) Copyright William E. Kempf 2001