[Savannah-hackers] Re: License compatibility

[Mathieu Roy]

Cheyenne <address@hidden> a tapoté :

> Mathieu Roy <address@hidden> writes:
>
>> Vincent Caron <address@hidden> a tapoté :
>>
>>> Cheyenne wrote:
>>>> I'm  a  little  confused  about  some  licensing  issues.   My
>>>> project,
>>>> swtscore, has  been accepted on  savannah. This project,  released under
>>>> GPL, uses  SWT, released under CPL,  as GUI library. But  I've just seen
>>>> that            CPL            is            GPL            incompatible
>>>> (http://www.gnu.org/licenses/license-list.html).
>>>>
>>>> Does that mean  that I will have  to change the license of  my program ?
>>>
>>> CPL is a free license, that's why it was accepted on Savannah. However
>>> it is true that you cannot combine CPL 1.0 and GPL v2. It looks like
>>> this issue is more or less debated, maybe you could send some
>>> encouragements to the Eclipse and SWT people to update their licensing
>>> scheme to something GPL compatible, it would benefit everybody.
>
> I could also send encouragements to the FSF to modify the GPL ;)
>
> Talking  about that,  will the  GPL  v3 clarify  things concerning  this
> issues ? 
>
>>>
>>>  From here, you can either choose another toolkit (like GTK+), or
>>> relicense your project (CPL or BSD comes to mind). You'll have to
>>> contact us again to change the displayed licensed on your project page
>>> when you have made up your mind.
>>
>> Note that the CPL, as it is incompatible with the GPL, will not be
>> accepted. 
>
> Anyway I would prefer a copyleft licence. Would the LGPL be suitable ? I
> find no references about compatibility between LGPL and other licences,
> only GPL

The LGPL is way permissive. I do not remember exactly how it the CPL
but it is not hard to find license LGPL-compatible.


-- 
Mathieu Roy

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