[zeromq-dev] If we compile ZeroMQ sources without modifying them, and link the resulting DLL to an executable that is part of our commercial product , does this make our whole product become a software under LGPL license?

Osiris Pedroso opedroso at gmail.com
Mon Nov 13 17:32:50 CET 2017


An even better solution is to submit a PR for your later version of
compiler which then everybody can use (including you) without "compiling
it".

On Mon, Nov 13, 2017 at 4:41 AM Am Shalem, Shlomo [BWIIL] <
samshal at its.jnj.com> wrote:

> Thanks!
>
> -----Original Message-----
> From: zeromq-dev [mailto:zeromq-dev-bounces at lists.zeromq.org] On Behalf
> Of Luca Boccassi
> Sent: Monday, November 13, 2017 12:19 PM
> To: ZeroMQ development list <zeromq-dev at lists.zeromq.org>
> Subject: [EXTERNAL] Re: [zeromq-dev] If we compile ZeroMQ sources without
> modifying them, and link the resulting DLL to an executable that is part of
> our commercial product , does this make our whole product become a software
> under LGPL license?
>
> On Mon, 2017-11-13 at 06:48 +0000, Am Shalem, Shlomo [BWIIL] wrote:
> > Hello
> >
> > We are two people in our company, who are getting to opposite
> > conclusions, when reading the license and the license FAQ...
> > Could you please help us with the doubt?
> >
> > If we compile ZeroMQ sources without modifying them, and link the
> > resulting DLL to an executable that is part of  our  commercial
> > product ,
> >
> >   1.  Does this make our whole product become a software under LGPL
> > license?
> >   2.  OR does this maintain it as legal, closed-source software?
> >
> > Thanks
> >
> > Motivation: We are interested in compiling the sources because we are
> > using a late version of VisualStudio for which we did not find
> > compiled DLL in the ZeroMQ depository.
>
> The short answers is the 2, the license of your code is not affected.
>
> The verboser explanation is that any LGPL code can be dynamically linked
> to software of any license without affecting it. libzmq offers an
> additional grant of top of that which also allows statically linking.
>
> https://github.com/zeromq/libzmq/blob/master/COPYING.LESSER#L169
>
> --
> Kind regards,
> Luca Boccassi
> _______________________________________________
> zeromq-dev mailing list
> zeromq-dev at lists.zeromq.org
> https://lists.zeromq.org/mailman/listinfo/zeromq-dev
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.zeromq.org/pipermail/zeromq-dev/attachments/20171113/10321ca0/attachment.htm>


More information about the zeromq-dev mailing list