TIFF Software Distribution (libtiff), version 4.5.1

Used in the qtiff image plugin if no system libtiff is found.

The sources can be found in qt-everywhere-src-5.15.15/qtimageformats/src/3rdparty/libtiff.

Project Homepage, upstream version: 4.5.1

 Copyright (c) 1988-1997 Sam Leffler
 Copyright (c) 1991-1997 Silicon Graphics, Inc.

libtiff License.

 Copyright (c) 1988-1997 Sam Leffler
 Copyright (c) 1991-1997 Silicon Graphics, Inc.

 Permission to use, copy, modify, distribute, and sell this software and
 its documentation for any purpose is hereby granted without fee, provided
 that (i) the above copyright notices and this permission notice appear in
 all copies of the software and related documentation, and (ii) the names of
 Sam Leffler and Silicon Graphics may not be used in any advertising or
 publicity relating to the software without the specific, prior written
 permission of Sam Leffler and Silicon Graphics.

 THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
 EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
 WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.

 IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
 ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
 OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
 WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
 LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
 OF THIS SOFTWARE.