Hi Forest, I'm pretty sure it's not quite like that:
It does exchange data structures and calls into GR/gets called from GR, so it needs a GPLv3-compatible license, but not necessarily the GPLv3 itself. In essence, fully agree with Sylvain's POV. Cheers, Marcus On 17.07.2016 21:32, Forest Crossman wrote: > Jan, > > If your OOT module uses GNU Radio data structures or function calls > (i.e., the API), then it can only be distributed under the GPL. This > is because the work is "based on" GNU Radio[1]. Since a work "based > on" a GPL'd work can only be distributed under the same license[2], > your OOT module would have to be licensed under the GPLv3+. It works > the same way in Wireshark, where any plugins developed for it can only > be distributed under the GPLv2+ or the GPLv3+. > > Of course, you can release any code not based on GNU Radio (i.e., > implementations of algorithms that could operate independently of GNU > Radio) under any license you want, so in essence you would be > dual-licensing a portion of the OOT module, but that could get legally > tricky very quickly. > > To be clear, I'm not a lawyer, and I could be wrong, so don't take any > of this as legal advice. For that, I would consult the Software > Freedom Law Center[3]. If you want more non-lawyer advice, #fsf on > Freenode could probably give you some more pointers. > > On a more cynical note, none of this license stuff really matters if > nobody sues you, so if you were to technically violate the GPL but do > it in a way that didn't make anyone too angry, you could probably get > away with it. > > [1]: "To 'modify' a work means to copy from or adapt all or part of > the work in a fashion requiring copyright permission, other than the > making of an exact copy. The resulting work is called a 'modified > version' of the earlier work or a work 'based on' the earlier work." > [2]: "You may convey a work based on the Program, or the modifications > to produce it from the Program, in the form of source code under the > terms of section 4, provided that you also meet all of these > conditions: ... You must license the entire work, as a whole, under > this License to anyone who comes into possession of a copy." > [3]: https://softwarefreedom.org > > On Fri, Jul 8, 2016 at 2:08 PM, Jan Krämer <kraemer...@gmail.com> wrote: >> Hey everyone, >> >> thanks for your answers guys, I think you clarified pretty much everything. >> Now all I can do is wait for an answer from management. >> >> Cheers, >> Jan >> >> 2016-07-07 19:02 GMT+02:00 Martin Braun <mar...@gnuradio.org>: >>> Jan, >>> >>> also, don't forget, code you write is yours. You can even have multiple >>> licenses for the same code (at least for modules and parts that don't >>> use GNU Radio or other GPL'd libraries). >>> >>> Cheers, >>> Martin >>> >>> On 07/07/2016 06:18 AM, Jan Krämer wrote: >>>> Thanks Michael, now fingers crossed that I am allowed to publish the >>>> code under one of those licenses. >>>> >>>> Cheers, >>>> Jan >>>> >>>> 2016-07-07 12:18 GMT+02:00 Michael Dickens <michael.dick...@ettus.com >>>> <mailto:michael.dick...@ettus.com>>: >>>> >>>> __ >>>> What Sylvain wrote is correct: if you publish your GR OOT module, >>>> then you have to choose GPLv3 or a compatible FOSS license. I >>>> believe that by default the license is GPLv3, since that's what GR >>>> is. See also < http://www.gnu.org/licenses/license-list.html > for a >>>> list of compatible (and incompatible) licenses. - MLD >>>> >>>> _______________________________________________ >>>> Discuss-gnuradio mailing list >>>> Discuss-gnuradio@gnu.org <mailto:Discuss-gnuradio@gnu.org> >>>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >>>> >>>> >>>> >>>> >>>> _______________________________________________ >>>> Discuss-gnuradio mailing list >>>> Discuss-gnuradio@gnu.org >>>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >>>> >>> >>> _______________________________________________ >>> Discuss-gnuradio mailing list >>> Discuss-gnuradio@gnu.org >>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> >> >> _______________________________________________ >> Discuss-gnuradio mailing list >> Discuss-gnuradio@gnu.org >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> > > _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
