On Thu, 10 Mar 2011, Anirban Mukherjee wrote:
Folks,
I was wondering what the forward plans are for R on Mac vis-a-vis
apple-gcc/Clang. Xcode 4 was just released with LLVM 2.x. From what I
can tell, Apple will in the future only support Clang/LLVM. For now, I
believe they are still including the same gcc as with 3.2. But longer
term, the move seems to be to Clang/LLVM.
http://developer.apple.com/technologies/tools/whats-new.html
http://clang.llvm.org/
Does R build with Clang/LLVM? I know Clang is being developed with a
view to ensure GCC "compatibility".
It did at one point. However, note that R is not just a C program: it
has important components in Fortran.
The R project simply does not have the resources to treat Apple
specially: R is written in strict conformance to language standards to
maximize portability at minimum cost. So whataever technology Apple
(or anyone else) use for their compilers should have no impact
*provided* they follow standards.
The impact is more likely to come with contributed packages. Too many
people write packages as if g++ were a language standard (including
some much self-promoted authors), and their work is unlikely to work
anywhere else.
Best,
Anirban
--
Brian D. Ripley, [email protected]
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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