[Rcpp-devel] g++ flags

[Romain Francois]

That looks alright to me. But apparently dirk has another way to do it that does not depend on R 3.1.0, whatever works.  

Romain

Le 30 avr. 2014 à 16:15, JJ Allaire <jj.allaire at gmail.com> a écrit :

> Romain,
> 
> I think this PR addresses the issue:
> 
> https://github.com/RcppCore/Rcpp/pull/143
> 
> I've tested and it seems to work as intended. Is this fix you were conceiving of or is there something more we should be doing?
> 
> J.J.
> 
> 
> On Wed, Apr 30, 2014 at 9:19 AM, Romain Francois <romain at r-enthusiasts.com> wrote:
>> The plugin as implemented now is not portable. The easiest way to make it portable would be to define the USE_CXX1X environment variable, which R knows how to interpret.
>> 
>> This way R would do what makes sense, i.e. use -std=c++0x on windows (for which rtools is limited to gcc 4.6.3 now) and -std=c++11 when it makes sense.
>> 
>> Romain
>> 
>> Le 30 avr. 2014 à 15:10, Darren Cook <darren at dcook.org> a écrit :
>> 
>> >> The problem seems to be that Rcpp uses -std=c++11; however, g++ 4.6.3,
>> >> which is what comes with the latest version of Rtools on Windows, uses
>> >> -std=c++0x or -std=gnu++0x ...
>> >
>> > In g++ 4.8.1 those two are deprecated in favour of -std=c++11 and
>> > -std=gnu++11 respectively; however they are still available.
>> >
>> > Darren
>> 
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> 
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