On 06.08.2013 13:41, Rob Weir wrote:
> On Tue, Aug 6, 2013 at 7:22 AM, Jürgen Schmidt <jogischm...@gmail.com> wrote:
>> On 8/6/13 11:40 AM, FR web forum wrote:
>>> Hello dev,
>>>
>>> Some enhancements exists in LibO and published under MPL v2
>>> Example:
>>> RTF import filter https://bugs.freedesktop.org/show_bug.cgi?id=58819 [1]
>>> Calc polynomial curve 
>>> https://bugs.freedesktop.org/show_bug.cgi?id=35712#c10 [2]
>>> Do you think it is possible to integrate this into AOO next release?
>>
>> I believe we can't use it. MPL is category b and we can use external
>> libs for example and can link against it. But we can't use patches on
>> Apache licensed code that are under MPL only. We can only accept ALv2
>> patches on this code. Please correct me if I am wrong. This is the crux
>> with this license conglomerate that makes no sense at all. And I believe
>> many people don't get the details what it really means.
>>
> 
> That is my understanding as well.  But remember, LO is not licensing
> these patches at all.  The developers who write the code are providing
> the license.  This is a subtle difference, but it means the developers
> are free to license the patch under ALv2 as well.  So if there is
> something we really would like to integrate we can approach the
> developer and ask if they would be willing to license the patch under
> ALv2.   I believe that some of the independent LO developers are also
> frustrated with the LO hoarding that is going on.
> 
MPL has a very weak copyleft, but it has one. So you can't mix it with
code, which is licened unter a non-copyleft licence like the AL.

The LibreOffice developers don't want to have a management of copyrights
by their foundation. So you have to talk to each developer, whether he
or she is willing to licence his or her code under the ALv2 too.

Good luck!

Regards
Michael


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