[Rcpp-devel] Rcpp compiler support and tests for suitable compilers

Dominick Samperi djsamperi at gmail.com
Fri Dec 3 01:52:46 CET 2010

On Tue, Nov 30, 2010 at 3:20 PM, Dirk Eddelbuettel <edd at debian.org> wrote:

> The Rcpp (and RInside) documentation attempts to make it clear that the set
> of supported compilers is definied by R Core via the support in R and its
> tools.
> Rcpp is first and foremost an extension package for R, it does not live by
> itself out there in the wild.  So useful compilers are the ones used by R
> Core and the CRAN support teams.
> In other words, Rcpp is supported for
>   gcc/g++ on Linux, OS X and Windows (via MinGW in Rtools for the latter)
>   suncc on Linux, Solaris and whereever else you find it
> and just about nothing else.
> Two gcc-compatible compilers may also work: Intel's icc (has anybody here
> tried it?) as well as the newer up-and-coming clang/llvm for which we
> already
> applied a patch.
> Astute reader will by now have realized that this list does included
> products
> from Microsoft, Borland, ...   Indeed, those compilers *are not supported*.
> This does not seem to stop people from trying, and possibly getting very
> frustrated.  Some folks then send us mail asking for help -- but as per the
> discussion above there is no reasonable expectation of such support.
> Long story short: Going forward we will test for suitable compilers in the
> header files and emit an error pragma if no matching compiler is detected.
> If you plan on working with icc, please email us --- gcc, suncc and clang
> should be taken care of.

What does "issue an error pragma" mean? Does this mean it will be
impossible to compile if a compiler other than the supported ones
is used?

> Cheers, Dirk
> --
> Dirk Eddelbuettel | edd at debian.org | http://dirk.eddelbuettel.com
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