[gull] Fwd: European Union Public License v. 1.2 added to license list

[Miçhael Parchet]

Début du message transféré :

> Expéditeur: "Free Software Foundation" <info at fsf.org>
> Date: 27 juin 2018 à 22:11:52 UTC+2
> Destinataire: Michael Parchet <mparchet at sunrise.ch>
> Objet: European Union Public License v. 1.2 added to license list
> Répondre à: "Free Software Foundation" <info at fsf.org>
> 
> 
> 
> Read and share online: https://www.fsf.org/blogs/licensing/european-union-public-license-v-1-2-added-to-license-list
> 
> Hello Michael Parchet,
> 
> We recently added the EUPL-1.2 to our list of Various Licenses and Comments About Them. This list helps users to understand whether a particular license is a free software license, and whether it is compatible with the GNU General Public License (GNU GPL). Like the previous version of the EUPL (EUPL-1.1), the EUPL-1.2 is included in the section for free licenses that are GNU GPL-incompatible, but with an important caveat. While the EUPL-1.2's copyleft by itself is incompatible with the GNU GPL, the license provides a few mechanisms for re-licensing which enable combination with GNU GPL-licensed works. We explain the situation more fully in the entry itself:
> 
> This is a free software license. By itself, it has a copyleft comparable
> to the GPL's, and incompatible with it. However, it gives recipients
> ways to relicense the work under the terms of other selected licenses,
> and some of those -- the Eclipse Public License in particular -- only provide
> a weaker copyleft. Thus, developers can't rely on this license to
> provide a strong copyleft.
> 
> The EUPL allows relicensing to GPLv2 only and GPLv3 only, because those
> licenses are listed as two of the alternative licenses that users may
> convert to. It also, indirectly, allows relicensing to GPL version 3 or
> any later version, because there is a way to relicense to the CeCILL v2,
> and the CeCILL v2 gives a way to relicense to any version of the GNU GPL.
> 
> To do this two-step relicensing, you need to first write a piece of code
> which you can license under the CeCILL v2, or find a suitable module
> already available that way, and add it to the program. Adding that code
> to the EUPL-covered program provides grounds to relicense it to the
> CeCILL v2. Then you need to write a piece of code which you can license
> under the GPLv3+, or find a suitable module already available that way,
> and add it to the program. Adding that code to the CeCILL-covered
> program provides grounds to relicense it to GPLv3+.
> These comments are very similar to the ones we made for the EUPL-1.1, as the EUPL-1.2 is an update that is very much in line with its predecessor. The biggest change was adding the GNU GPLv3 only as an alternative license, simplifying the process of incorporating EUPL-1.2 code into a GNU GPLv3 only project. Note, however, that the two-step re-licensing process previously described is still needed in order to incorporate EUPL-1.2 code into a GNU GPLv3+ project.
> 
> With all that said, the EUPL-1.2 is the newest addition to our list of free licenses, but more will be added in the future. To keep up to date, here's what you can do:
> 
> To keep informed about changes to our license list and other licensing-related news and announcements, subscribe to our Licensing Updates Mailing List
> 
> Help us make a stand for software freedom by becoming an FSF Associate Member or consider making a donation
> 
> Sincerely,
> 
> Donald Robertson, III
> Licensing & Compliance Manager
> 
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