Author: Robert Hyatt
Date: 12:04:26 08/28/01
Go up one level in this thread
On August 28, 2001 at 13:48:48, Gian-Carlo Pascutto wrote:
>On August 28, 2001 at 13:28:57, Robert Hyatt wrote:
>
>>There are only a few differences between crafty's license and the GPL. Those
>>differences are there due to a problem that happened a couple of years ago.
>>Actually multiple different problems...
>
>Only a few? Hmm, weird definition of few. Anyway, the differences that *are*
>there already make it totally incompatible with the GPL.
>
>For comparsation, Crafty's license:
>
>-------------------------------------------------------------------------------
>* Crafty, copyright 1996-1999 by Robert M. Hyatt, Ph.D., Associate Professor *
>* of Computer and Information Sciences, University of Alabama at Birmingham. *
>* *
>* All rights reserved. No part of this program may be reproduced in any *
>* form or by any means, for other than your personal use, without the *
>* express written permission of the author. This program may not be used in *
>* whole, nor in part, to enter any computer chess competition without *
>* written permission from the author. Such permission will include the *
>* requirement that the program be entered under the name "Crafty" so that *
>* the program's ancestry will be known.
This is to solve an ICCA problem.
*
>* *
>* Copies of the source must contain the original copyright notice intact. *
This is normal for GPL. Except for the two exceptions noted here, I don't
think there is much difference, conceptually. The source is distributed,
it is copyrighted by the author, etc...
>* *
>* Any changes made to this software must also be made public to comply with *
>* the original intent of this software distribution project. These *
>* restrictions apply whether the distribution is being done for free or as *
>* part or all of a commercial product. The author retains sole ownership *
>* and copyright on this program except for 'personal use' explained below. *
>* *
The above is the main difference.
>* personal use includes any use you make of the program yourself, either by *
>* playing games with it yourself, or allowing others to play it on your *
>* machine, and requires that if others use the program, it must be clearly *
>* identified as "Crafty" to anyone playing it (on a chess server as one *
>* example). Personal use does not allow anyone to enter this into a chess *
>* tournament where other program authors are invited to participate. IE you *
>* can do your own local tournament, with Crafty + other programs, since this *
>* is for your personal enjoyment. But you may not enter Crafty into an *
>* event where it will be in competition with other programs/programmers *
>* without permission as stated previously.
>--------------------------------------------------------------------------------
>Sjeng's license:
>
>Sjeng is Free Software and is licensed under the GNU General
>Public License. For more details see the file COPYING that
>comes with Sjeng.
>
>If this file is missing, write to the Free Software Foundation,
>Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
>
>Sjeng should have come with source code, or you should have
>been given the possibility to obtain it for a charge no more
>than the cost of physically performing the source distribution.
>If not, please contact gcp@sjeng.org.
>
>Sjeng includes tablebase accessing code written by Andrew Kadatch
>and Eugene Nalimov. This code is contained in the files tbindex.cpp
>and tbdecode.h and is copyrighted by them, all rights reserved.
>This code does _not_ fall under the GPL. You are hereby given the
>additional right to compile and link Sjeng with this code, as well
>as to distribute the resulting executable and code under the
>conditions of the GPL, except for the files tbindex.cpp and
>tbdecode.h, which do not fall under the GPL, but may also be
>distributed together with Sjeng.
>
>The author regrets having to include this non-free code with
>Sjeng, but no free replacement of the same quality is availble
>yet.
>--------------------------------------------------------------------------------
>The GPL:
> GNU GENERAL PUBLIC LICENSE
> Version 2, June 1991
>
> Copyright (C) 1989, 1991 Free Software Foundation, Inc.
> 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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> Preamble
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> TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
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>
> How to Apply These Terms to Your New Programs
>
> If you develop a new program, and you want it to be of the greatest
>possible use to the public, the best way to achieve this is to make it
>free software which everyone can redistribute and change under these terms.
>
> To do so, attach the following notices to the program. It is safest
>to attach them to the start of each source file to most effectively
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>the "copyright" line and a pointer to where the full notice is found.
>
> <one line to give the program's name and a brief idea of what it does.>
> Copyright (C) 19yy <name of author>
>
> This program is free software; you can redistribute it and/or modify
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> This program is distributed in the hope that it will be useful,
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> GNU General Public License for more details.
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>
>Also add information on how to contact you by electronic and paper mail.
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>If the program is interactive, make it output a short notice like this
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>
> Gnomovision version 69, Copyright (C) 19yy name of author
> Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
> This is free software, and you are welcome to redistribute it
> under certain conditions; type `show c' for details.
>
>The hypothetical commands `show w' and `show c' should show the appropriate
>parts of the General Public License. Of course, the commands you use may
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>
>You should also get your employer (if you work as a programmer) or your
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>necessary. Here is a sample; alter the names:
>
> Yoyodyne, Inc., hereby disclaims all copyright interest in the program
> `Gnomovision' (which makes passes at compilers) written by James Hacker.
>
> <signature of Ty Coon>, 1 April 1989
> Ty Coon, President of Vice
>
>This General Public License does not permit incorporating your program into
>proprietary programs. If your program is a subroutine library, you may
>consider it more useful to permit linking proprietary applications with the
>library. If this is what you want to do, use the GNU Library General
>Public License instead of this License.
>
>--
>GCP
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