[riot-devel] openthread and riot - license issues?

MATTIA ANTONINI mattia.antonini1 at studenti.unipr.it
Thu Oct 27 15:07:30 CEST 2016

Hi All,
Any news on this topic?


2016-10-24 12:15 GMT+02:00 Kaspar Schleiser <kaspar at schleiser.de>:

> Hi,
> On 10/24/2016 10:59 AM, Martine Lenders wrote:
> >
> >     from [0]. But RIOT is not an "APACHE PRODUCT"... , :-)
> > Well we do it the other way around, we include (in this instant I mean
> > linking) a non-LGPL product within a LGPL product. The code itself isn't
> > even included, but downloaded from source. AFAIK this is fine*.
> I think what Alexander wants to point out is that above statement can be
> misread as "Apache 2.0 and LGPLv2.1 are incompatible from Apache's
> perspective.
> Here [1] is an interesting thread which should clarify the issue.
> In essence, the Apache foundation has a *policy* that *Apache foundation
> projects* may not use mandatory LGPL'ed components, in order for
> downstream users to not have to deal with LGPL's requirements.
> That does not mean that the Apache License 2.0 ("AL 2.0") is
> incompatible with LGPLv2.1.
> I've contacted the FSF (again) to clarify our specific "AL 2.0 package"
> problem, and I'm waiting for them to answer. But currently I read the
> licenses as follows:
> 1. LGPLv2.1 does not consider a released binary as derivative work if
> the LGPL'ed code is only linked to non-LGPL'ed code, and the distributor
> of that combined work distributes the means necessary to replace and/or
> debug the LGPL'ed part. As packages are available as source, this
> constraint is satisfied, thus from the LGPLv2.1 perspective using AL 2.0
> packages is fine.
> 2. AL 2.0 has a linking exception: "For the purposes of this License,
> Derivative Works shall not include works that remain separable from, or
> merely link (or bind by name) to the interfaces of, the Work and
> Derivative Works thereof." Thus using an AL 2.0 as package is fine.
> Kaspar
> [1] https://issues.apache.org/jira/browse/LEGAL-192
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