On Sun, Sep 02, 2007 at 03:00:46PM +0200, Igor Sobrado wrote:
> On Sun, 2 Sep 2007, Alan Cox wrote:
>
>>> So, a multi-licensed file remains multi-licensed except when all authors
>>> agree about a change in the licensing terms. And it is clear on the BSD
>>
>> Not strictly true. They can either agree to a change and issue one or
>> they can convey to other parties the right to change the terms. The GPL
>> for example does this for version selection.
>
> So, under a dual-licensed BSD/GPL code the latter license allows a
> developer to remove the GPL license itself and release a single-licensed
> BSD code if other parties want to do it?
Exactly.
>> A multi-licensed work (note work not file - don't assume a file is a
>> boundary of a work) which conveys the choice of licence (as some bits of
>> ath5k did) allows a receiving party to choose the licence it wishes.
>> Failing that OpenBSD would have turned itself GPL by adding that file as
>> according to your argument "it must be distributed under *all* these
>> licensing terms concurrently".
>
> I would assume a file as a boundary of a work in the case that file is
> under different licensing terms to the rest of the software package. On a
> lot of software packages different modules are covered under different
> licensing terms.
>
> We can choose what license terms we will honor; however, we do not have the
> ability to remove the licensing terms we do not like.
We have the ability if the author explicitely allowed it.
This is the licencing text we are talking about:
/*-
* Copyright (c) 2002-2004 Sam Leffler, Errno Consulting
* 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,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
* redistribution must be conditioned upon including a substantially
* similar Disclaimer requirement for further binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* 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 NONINFRINGEMENT, MERCHANTIBILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES.
*/
The author himself offered two _alternatives_ for distributing his code.
> Igor.
cu
Adrian
--
"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed
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