[Rd] Rtools and R 4.0.0?

[Steve Bronder]

Also related to this, I tried looking in the archives and couldn't find a
previous discussion, was gcc 8.1 chosen over gcc 9 because mingw-w64 does
not support v9 yet? It looks like 9 is the first version that makes C++17
support non-experimental

https://gcc.gnu.org/gcc-9/changes.html

Regards,

Steve Bronder
Website: stevebronder.com
Phone: 412-719-1282
Email: sbronder using stevebronder.com



On Thu, Apr 2, 2020 at 12:36 AM Kevin Ushey <kevinushey using gmail.com> wrote:

> Hello,
>
> Has a decision been made yet as to whether R 4.0.0 on Windows is going
> to be built using the new gcc8 toolchain (described at
> https://cran.r-project.org/bin/windows/testing/rtools40.html)?
>
> From the sidelines, I can see that the toolchain is being used to
> build and test packages on CRAN; if there are any remaining issues
> that I can help to try and run down (either in R or any CRAN packages)
> I'd be happy to try and help.
>
> FWIW, I'm excited at the prospect at seeing a new toolchain for
> Windows, since it would imply support for C++17 and so it would become
> easier for CRAN packages to depend on the newer C++ standard.
>
> Thanks,
> Kevin
>
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