On Thu, 2014-04-10 at 11:14 -0400, Gabor Grothendieck wrote:
> On Tue, Oct 29, 2013 at 1:58 AM, <rom...@r-enthusiasts.com> wrote:
> > Le 2013-10-29 03:01, Whit Armstrong a écrit :
> >
> >> I would love to see optional c++0x support added for R.
> >
> >
> > c++0x was the name given for when this was in development. Now c++11 is a
> > published standard backed by implementations by major compilers.
> > people need to stop calling it c++0x
> >
> >
> >> If there is anything I can do to help, please let me know.
> >
> >
> > Come here https://github.com/romainfrancois/cpp11_article where I'm writing
> > an article on C++11 and what would be the benefits.
> >
>
> Unless you are willing to do it yourself currently Rtools on Windows uses
> g++ 4.6.3 and that requires that one specify -std=c++0x or -std=gnu++0x .
>
> Ubuntu 12.04 LTS also provides g++ 4.6.3.
>
> g++ 4.7 is the first version of g++ that accepts -std=c++11 or -std=gnu++11
>
> More info at:
> http://gcc.gnu.org/projects/cxx0x.html
The R configure script is permissive and will enable "C++11" support if
your compiler accepts -std=c++0x. Obviously you will only get partial
support for the C++11 standard (But this is also true of some compilers
that accept -std=c++11). You may be OK if you just want C99 features,
which were missing from the C++98 standard, and features previously
introduced in the TR1 extension. But there are no guarantees.
Cross-platform support for C++11 is going to remain poor for some time
to come, I'm afraid.
Martyn
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