[Opm] Minimum version of dependencies after new release

[Atgeirr Rasmussen]

Hi all,

I agree that we should do this (unless other disadvantages come to light).

I'd say that the loss of Ubuntu 18.04 LTS as a supported target is less of
a problem than it appears, since that version provides a faulty MPI
implementation so we cannot provide MPI packages for it anyway.

Are Dune 2.6 packages are available for current debian stable?

Atgeirr

________________________________
Frå: Opm <opm-bounces at opm-project.org> på vegne av Alf Birger Rustad <abir at equinor.com>
Sendt: onsdag 2. oktober 2019 14:36
Til: opm at opm-project.org <opm at opm-project.org>
Emne: [Opm] Minimum version of dependencies after new release

Hi everybody,

A new release is cooking, and this brings up the possibility of upping the minimum version of dependencies for the opm-simulators build chain. This time around we may consider a larger jump than usual. These are some of the options:
Increase minimum version of Ubuntu to Cosmic 18.10 and Debian to Buster 10. This again allows us to bump GCC to 8.2, and Dune to 2.6.0. The pros: We may not need Boost anymore, we can include the CPR implementation in flow,  we can have working MPI on Ubuntu. For Red Hat there will be no change since building on Red Hat 7 without the devtoolset broke a long time ago anyway, and Red Hat 8 has GCC 8.2 as default. Downsides include breaking build on Ubuntu LTS and Debian oldstable. I really do not know to what extent this will be problematic. At Equinor we are already deep into the devtoolsets, so this will not bite us.

What do you think?
Alf


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