[Dune-devel] Vote: Required CMake version 3.1 or 3.13?

[Dominic Kempf]

Hey everybody

@Peter: Robert laid out some in
https://gitlab.dune-project.org/core/dune-common/-/issues/200#note_70701

I am all with what Oliver said, especially the part that we should help and
support
those brave souls that currently invest a lot of work into a topic as
unrewarding as
a build system.

I therefore vote for newer CMake as well.

Best,
Dominic



On Wed, Sep 30, 2020 at 10:47 AM Peter Bastian <
Peter.Bastian at iwr.uni-heidelberg.de> wrote:

> Dear all,
>
> I would also prefer to go for the new version.
> Could we hear an argument by those prefering 3.10? Since there is
> Ubuntu 20.04 LTS now, maybe this argument has changed?
>
> Best,
> Peter
>
>
> Am 30.09.20 um 10:27 schrieb Oliver Sander:
>
> Hi,
>
> personally I don't care much either way.  However, given that
>
> a) the requirements have been changed 4 month ago, and nobody seems to have
>    cared until now,
> b) I expect students that are able to install Dune master to be able
>    to install custom cmake binaries as well
> c) I appreciate the modernization work of Simon (and Christoph, Lukas, etc)
>    a lot, and I would like to help them,
>
> I vote for the status quo.
>
> Best,
> Oliver
>
> On 29.09.20 21:17, Christoph Grüninger wrote:
>
> Dear fellow Dune core developers,
>
> in May I merged dune-common#200 [1] which bumped the required CMake
> version for Dune core modules to 3.13. Roberts want to lower this to
> CMake 3.10.
> His rationale is, that Ubuntu 18.04 LTS only ships CMake 3.10.
>
> As discussed in [1], I (and some others) want 3.12 for better Python
> detection support and 3.13 for an improved library handling, which will
> help us to modernize the build system (which we already started).
>
> To get more arguments and much more opinions, please have a look at [1].
>
> From the discussion I assume that the following people are in favor of 3.10:
> Robert
>
> In favor of 3.13 seem to be:
> Jö
> Markus
> Simon
> Christoph
>
> From the following developers I don't have a clear opinion without
> interpreting too much:
> Peter
> Ansgar
> Andreas
> Christian
> Carsten
> Dominic
> Mario
> Oliver
>
> Please cast your vote by commenting to [1] or answering this email. If I
> got your opinion wrong or you changed your mind, please vote. You have
> two weeks (unit Okt. 13).
>
> Thank you!
> Christoph
>
>
> [1] https://gitlab.dune-project.org/core/dune-common/-/issues/200
>
>
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