[FFmpeg-devel] GPL version matter

Måns Rullgård mans
Fri Jul 6 17:53:47 CEST 2007


Michael Niedermayer wrote:
> Hi
>
> On Fri, Jul 06, 2007 at 10:13:01AM +0200, Diego Biurrun wrote:
>> On Fri, Jul 06, 2007 at 08:48:15AM +0200, Christophe GISQUET wrote:
>> >
>> > M?ns Rullg?rd a ?crit :
>> > > Personally, I generally release code where I am in full control
>> > > under the MIT license, so I'm not terribly bothered by that clause
>> > > being present in the license for FFmpeg.
>> >
>> > Being indeed a small and very dependent piece of code, my code wouldn't
>> > be used elsewhere than ffmpeg, so licensing of it is not very important.
>> > But does ffmpeg accept code such as MIT, modified BSD or the like
>> > compatible with GPL ?
>>
>> Yes, we accept MIT-licensed code
>
> yes
>
>> since it is sublicensable and thus
>> effectively includes (L)GPL 2+.
>
> MIT is compatible with (L)GPL 2 and 3, we do not know yet about later versions
> though iam pretty sure we would try hard to move to a different license if
> the FSF makes the (L)GPL 4, MIT incompatible ...

It's impossible to make a license incompatible with the MIT license, since it
explicitly allows sublicensing meaning it can legally be replaced by anything.

-- 
M?ns Rullg?rd
mans at mansr.com




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