License and copyright
=====================

Copyright (c) 2017-2020, The Regents of the University of California,
through Lawrence Berkeley National Laboratory (subject to receipt of
any required approvals from the U.S. Dept. of Energy). All rights
reserved. Redistribution and use in source and binary forms, with or
without modification, are permitted provided that the following
conditions are met:

(1) Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
(2) Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
(3) Neither the name of the University of California, Lawrence Berkeley
National Laboratory, U.S. Dept. of Energy nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.

You are under no obligation whatsoever to provide any bug fixes,
patches, or upgrades to the features, functionality or performance of
the source code ("Enhancements") to anyone; however, if you choose to
make your Enhancements available either publicly, or directly to
Lawrence Berkeley National Laboratory, without imposing a separate
written license agreement for such Enhancements, then you hereby grant
the following license: a non-exclusive, royalty-free perpetual license
to install, use, modify, prepare derivative works, incorporate into
other computer software, distribute, and sublicense such Enhancements
or derivative works thereof, in binary and source code form.


Additional copyright holders
----------------------------

In addition to LBNL/UC Berkeley, this package contains files copyrighted by
one or more of the following people and organizations, and licensed under
the same conditions (except for some compatible licenses as retained in the
source code):

  * CERN
  * Simone Bacchio
  * Robert Bradshaw
  * Ellis Breen
  * Antonio Cuni
  * Aditi Dutta
  * Shaheed Haque
  * Jonsomi
  * Max Kolin
  * Alvaro Moran
  * Tarmo Pikaro
  * Matti Picus
  * Camille Scott
  * Toby StClere-Smithe
  * Stefan Wunsch

Conda-forge recipes were provided by Julian Rueth and Isuru Fernando.


External code
-------------

The create_src_directory.py script will pull in ROOT and LLVM sources, which
are licensed differently:

 LLVM: distributed under University of Illinois/NCSA Open Source License
   https://opensource.org/licenses/UoI-NCSA.php
 ROOT: distributed under LGPL 2.1
   https://root.cern.ch/license

The ROOT and LLVM/Clang codes are modified/patched, as part of the build
process.
