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Re: [Discuss-gnuradio] Copyrights using gr-modtool

From: Tom Rondeau
Subject: Re: [Discuss-gnuradio] Copyrights using gr-modtool
Date: Tue, 12 Mar 2013 15:56:27 -0400

On Tue, Mar 12, 2013 at 1:36 PM, Sean Nowlan
<address@hidden> wrote:
> On 03/12/2013 11:24 AM, Tom Rondeau wrote:
> On Tue, Mar 12, 2013 at 11:22 AM, Martin Braun (CEL)
> <address@hidden> wrote:
> On Tue, Mar 12, 2013 at 11:04:20AM -0400, Tom Rondeau wrote:
> On Tue, Mar 12, 2013 at 10:29 AM, Sean Nowlan
> <address@hidden> wrote:
> I've noticed that gr-modtool keeps FSF's copyright assignment for a lot of
> boilerplate (CMakeLists.txt, QA code, etc.) but puts a hook for the end
> user's copyright statement in block source files. Is this a pretty standard
> way of doing things?
> Yes, pretty much. Of course, this is just my understanding of how
> copyright of works is handled, and obviously IAMAL.
> I assume you meant 'IANAL'. It kind of reads the opposite way :)
> MB
> Yeah, typo....
> Tom
> _______________________________________________
> Discuss-gnuradio mailing list
> address@hidden
> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
> With the understanding that I will *not* take any answers as *actual* legal
> advice, is it generally reasonable to say:
> 1) If I copy a gnuradio block (copyright FSF), tweak a few things, and
> redistribute, FSF retains copyright and I have no copyright to the changes

No, that's not what I said (or at least meant). The code generated
from gr-modtool is copyrighted by the FSF. If you add any
modifications to the file, that new code will be your copyright. You
would then add a copyright notice into the file to say that this is
copyright you, 2013.

> 2) If I build a block from the ground up, it's still GPLv3 since it depends
> on gnuradio, but I may either maintain copyright or assign it to FSF
> --sean

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