[GRASS-dev] Min. req. of programming language standard support, GRASS GIS 8

[Anna Petrášová]

On Thu, Jan 28, 2021 at 4:28 AM Nicklas Larsson via grass-dev <
grass-dev at lists.osgeo.org> wrote:

> Dear Devs!
>
> As a relatively new member of the GRASS GIS dev community, I have had to
> search for information on mailing lists, old trac comments etc. regarding
> coding practice and in particular minimum programming language standard
> support. Ending up in not entirely conclusive understanding. Up until now,
> I have been mostly involved in Python development and I’m still not
> absolutely certain, although I assume 3.5 is minimum version. And I’m not
> alone, see e.g. [1].
>
> Now, I’ve encountered a similar dilemma with C standard support,
> attempting to address compiler warnings [2], in particular with the PR
> #1256 [3].
>
> I would be great if there were a (one) place where the min support of
> Python version, C (C89, C99, C11, C17…) and C++ (C++03, C++11, C++14 …)
> standard is stated -- loud and clear. Obviously, there has to be a
> consensus in the community on these matters for that to happen. Such a
> statement will also have to be revised now and then. (A related question is
> also whether or not to support 32 bit, which I know have been raised
> recently).
>
> I’d appreciate your opinion is on this issue!
> Let me put up a a suggestion for min. req. for coming GRASS GIS 8 as a
> starting point of discussion:
> - Python 3.7
> - C11
> - C++11
>
>
> Best regards,
> Nicklas
>
>
Regarding Python, not sure if we shouldn't set 3.6 as minimum for G8, it is
still used e.g. in Ubuntu 18. Any reason to set 3.7 as minimum, some
specific features we would want to use?

Anna


>
> [1] https://github.com/OSGeo/grass/issues/1241
> [2] https://github.com/OSGeo/grass/issues/1247
> [3] https://github.com/OSGeo/grass/pull/1256
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