[R-sig-Fedora] R 4.0.0

[Iñaki Ucar]

On Thu, 14 May 2020 at 21:41, José Abílio Matos <jamatos using fc.up.pt> wrote:
>
> On Monday, 11 May 2020 16.47.55 WEST Iñaki Ucar wrote:
> > AFAIK, there's this commitment only for patch versions. In fact, the
> > path for the personal library is:
> >
> > ~/R/x86_64-redhat-linux-gnu-library/<major>.<minor>/
> >
> > so, when you install a new minor version, you don't have any package
> > in your personal library. Most of the time, for many packages, it just
> > works if you copy the old packages into the new folder, but many times
> > things break and reinstallation is needed. And this may happen for
> > compiled packages, but also for non-compiled ones (e.g.: "Packages
> > defining S4 classes with the above S3/S4 classes as slots should be
> > reinstalled", in R 3.3.0).
> >
> > So maybe we should streamline mass rebuild of R packages, and do it
> > for all minor updates. The virtual provide you proposed will force us
> > to do that, and will prevent breakages and complaints.
>
> Something that I have been wondering for some time, previous to this thread,
> is why is not this the default also for system installation and not just for
> users installs.
>
> With this I mean to have the system directories to be respectively:
>
> %{__libdir}|%{__datadir}/R<major>.<minor>
>
> Is this due to inertia or are there other reasons. That would naturally solve
> the need to rebuild for each minor release. The major point here is that would
> apply not only to our packages but also for others installed using R itself.

Mmmh... but then you have to change that in the packages' SPEC and
rebuild them anyway when you update R. So... what's the advantage of
this?

-- 
Iñaki Úcar