R help - Nov 2020 - C++11 requirements for package dependencies

A colleague uses a package I maintain (rstpm2) as a dependency in their
package (rsimsum) with testing using GitHub Actions. They found that
testing failed against R versions 3.3, 3.4 and 3.5 because recent
versions of RcppArmadillo (which is a dependency in rstpm2) require
C++11. As a dependency diagram:

rsimsum --> rstpm2 --> RcppArmadillo

Should I update rstpm2 to include "CXX_STD = CXX11" in the Makevars
and
Makevars.win files and add "SystemRequirements: C++11" to the
DESCRIPTION, or is there a simple way in GitHub Actions to use C++11 for
older versions of R?

Moreover, as a principle, should a package need to change the Makevars
and DESCRIPTION files to suit the most recent updates of their
dependencies? I would have thought that such a need would break many
packages.

Sincerely, Mark.




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On Mon, Nov 30, 2020 at 12:45 AM Mark Clements <mark.clements at ki.se>
wrote:
> A colleague uses a package I maintain (rstpm2) as a dependency in their
> package (rsimsum) with testing using GitHub Actions. They found that
> testing failed against R versions 3.3, 3.4 and 3.5 because recent
> versions of RcppArmadillo (which is a dependency in rstpm2) require
> C++11. As a dependency diagram:
>
> rsimsum --> rstpm2 --> RcppArmadillo
>
> Should I update rstpm2 to include "CXX_STD = CXX11" in the
Makevars and
> Makevars.win files and add "SystemRequirements: C++11" to the
> DESCRIPTION, or is there a simple way in GitHub Actions to use C++11 for
> older versions of R?
>
> Moreover, as a principle, should a package need to change the Makevars
> and DESCRIPTION files to suit the most recent updates of their
> dependencies? I would have thought that such a need would break many
> packages.
>
> Sincerely, Mark.
>
>
>
>
> N?r du skickar e-post till Karolinska Institutet (KI) inneb?r detta att KI
> kommer att behandla dina personuppgifter. H?r finns information om hur KI
> behandlar personuppgifter<
> https://ki.se/medarbetare/integritetsskyddspolicy>.
>
>
> Sending email to Karolinska Institutet (KI) will result in KI processing
> your personal data. You can read more about KI?s processing of personal
> data here<https://ki.se/en/staff/data-protection-policy>.
>
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