[R-pkg-devel] Ongoing CXX17 woes

[Tim Keitt]

On Fri, Aug 6, 2021 at 4:22 PM Tim Keitt <tkeitt using gmail.com> wrote:

>
>
> On Fri, Aug 6, 2021 at 4:05 PM Ivan Krylov <krylov.r00t using gmail.com> wrote:
>
>> On Fri, 6 Aug 2021 15:51:37 -0500
>> Tim Keitt <tkeitt using gmail.com> wrote:
>>
>> > CXX17=`${R_HOME}/bin/R CMD config --all | awk '{print $1}' | grep \
>> > "^CXX17$"`
>>
>> This seems to output "CXX17" on a machine with no C++17 support. On the
>> other hand, running `${R_HOME}/bin/R CMD config CXX17` here gives me an
>> empty string.
>>
>
Actually, you are right -- from the shell it does return a string. I'll try
the alternative version.

THK


>
> Not on my machine. But perhaps this is the issue with Solaris? You can
> check the comments at
> https://github.com/eddelbuettel/rcppsimdjson/blob/master/configure that
> suggest the grep method is more robust. But perhaps that's no longer the
> case or on all platforms.
>
> THK
>
>
>>
>> --
>> Best regards,
>> Ivan
>>
>

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