[Gmsh] Gmsh API Licensing

[Juan Sanchez]

If you use:
https://github.com/nschloe/pygmsh

which is a MIT-licensed library, I would argue that your software could
remain closed source.  pygmsh provides a means to generates .geo scripts,
which are then interpreted by Gmsh, so no dynamic linking is involved.

Of course, I would recommend talking to your legal department concerning
your strategy.  I would be most concerned about the implications of using
the AGPL when Gmsh dynamically links against the TetGen library.

Regards,

Juan


On Tue, Oct 22, 2019 at 1:51 PM Jean-François Remacle <
jean-francois.remacle at uclouvain.be> wrote:

>
>
> Le 21 oct. 2019 à 22:11, Niloufar <faghihi.niloufar at gmail.com> a écrit :
>
> Hi,
>
> I am a new user of Gmsh and I have a question regarding its licensing. I
> was wondering whether the Gmsh API is also under the GPL license meaning
> that I can not use the Gmsh API in a closed-source Python code. Is that
> right?
>
>
>
> *Question : If a programming language interpreter has a license that is
> incompatible with the GPL, can I run GPL-covered programs on it? *
> *Answer* : When the interpreter just interprets a language, the answer is
> yes. The interpreted program, to the interpreter, is just data; the
> GPL doesn't restrict what tools you process the program with.
>
> However, when the interpreter is extended to provide “bindings” to other
> facilities (often, but not necessarily, libraries), the interpreted program
> is effectively linked to the facilities it uses through these bindings. The
> JNI or Java Native Interface is an example of such a facility; libraries
> that are accessed in this way are linked dynamically with the Java programs
> that call them.
>
> So if these facilities are released under a GPL-incompatible license, the
> situation is like linking in any other way with a GPL-incompatible library.
>
> JF
>
> Thank you,
> Niloufar
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> ------------------------------------------------------------------
> Prof. Jean-Francois Remacle
> Universite catholique de Louvain (UCL)
> Ecole Polytechnique de Louvain (EPL) - Louvain School of Engineering
> Institute of Mechanics, Materials and Civil Engineering (iMMC)
> Center for Systems Engineering and Applied Mechanics (CESAME)
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