[Pixman] [PATCH] ARMv5 optimisations

Søren Sandmann sandmann at cs.au.dk
Sun Sep 30 14:21:43 PDT 2012

Andre Renaud <andre at bluewatersys.com> writes:

>>>> As the code comes from the Android code base, it is Apache licensed -
>>>> is this a problem with Pixman?
>>> I am not a lawyer, but Apache license does not seem to be
>>> compatible with GPL2 according to:
>>>    http://www.apache.org/licenses/GPL-compatibility.html
>>> This is an extra restriction, which does not exist in the current
>>> pixman MIT/X11 license. I personally would not touch Apache licensed
>>> code without a really good reason.
>> Yeah, unfortunately we can't ship Apache licensed code in pixman.
> Thanks for all the feedback, I'll probably take a look at the bugs &
> check them. However given that the license is incompatible, it doesn't
> seem like there is much point in continuing with this, as it's not
> possible for it to be merged. Unfortunately I don't think my ARM ASM
> skills are up to recreating these from scratch.
> Is the Pixman project GPL2? I thought it was all MIT - is that an
> upcoming change?

It's all MIT, but if we added Apache licensed code, it would effectively
become Apache licensed and therefore among other things become
incompatible with GPL2.


More information about the Pixman mailing list