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- To: eigen <eigen@xxxxxxxxxxxxxxxxxxx>
- Subject: Re: [eigen] Eigen and GPL
- From: Gael Guennebaud <gael.guennebaud@xxxxxxxxx>
- Date: Mon, 1 Jul 2013 09:52:52 +0200
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"with a work governed by one or more Secondary Licenses."
In your case "work" is referring to your GPL2 work, so no worry.
gael
On Mon, Jul 1, 2013 at 9:28 AM, Mark <mark.ortmann85@xxxxxxxxx> wrote:
> Hi,
>
> thank you for your quick and helpful response.
>
> Just for clarification:
>
> I am working on a GPL 2 licensed software and may not modify the licence,
> yet we are not using any further GPL or secondary licensed software. Does
> that mean I am contravening against 3.3 in particular:
>
>
> " The Larger Work must be "a combination of Covered Software with a work
> governed by one or more Secondary Licenses." So you can't just say "I really
> prefer (L)GPL" - you must have a need to combine with another, existing GPL
> work. (This is different from a traditional dual-license, which does not
> require you to combine, and instead allows you to simply say "I've decided
> to be GPL-only.")"
>
>
> Thank you for your help
>
> Mark
>
> Am 30.06.2013 04:25, schrieb Gael Guennebaud:
>
> There is practical guide there:
>
> http://www.mozilla.org/MPL/2.0/combining-mpl-and-gpl.html
>
> Since you're not going to modify Eigen's source code, you have nothing
> special to do!
>
> cheers,
> gael
>
> On Sat, Jun 29, 2013 at 10:37 AM, Mark <mark.ortmann85@xxxxxxxxx> wrote:
>
> Hi everybody,
>
> I have already read the thread "MPL2 is really compatible with GPL/LGPL",
> yet I am still unsure about how to proceed.
>
> I want to use Eigen (and only Eigen) within a GPL 2 licensed software, which
> has been available for a long time and we cannot change the license (or
> "extend" it).
>
> According to http://www.mozilla.org/MPL/2.0/FAQ.html Q14 requirement 1 is
> met by Eigen. However, we are not yet using any other GPL licensed third
> party library, therefore I am not sure if we fulfill requirement 2.
>
> My questions are:
>
> 1. Can I combine Eigen within my GPL 2 software?
> 2. Do I have to change/modify my license?
> 3. How do I meet requirement 3 of Q 14 (MPL/FAQ)?
> 4. Do I have to add a license file (as in Eigen COPYING.*)?
>
> Please note I am not intending to modify any of the Eigen source code and
> would really love to use this library within my software.
>
> Thanks for your help,
> Mark
>
>