[R-SIG-Mac] R 3.0.0 beta

Kasper Daniel Hansen kasperdanielhansen at gmail.com
Wed Mar 20 15:14:49 CET 2013


I have heard rumors of GCC 4.7.2, has this been abandoned?

Kasper

On Wed, Mar 20, 2013 at 5:23 AM, Prof Brian Ripley
<ripley at stats.ox.ac.uk> wrote:
> R 3.0.0 is due to be released on Apr 3, and is now in beta.  Simon is
> travelling but before he left put up a binary distribution at
> http://r.research.att.com/snowleopard/R-3.0-branch/R-3.0-branch-snowleopard-signed.pkg
> .   A high proportion of CRAN is available as binary packages, and we will
> improve that over the next two weeks.
>
> UseRs and especially package developers are encouraged to try this out.  For
> CRAN packages there are logs available at
> http://cran.r-project.org/web/checks/check_results_NAME.html (replace NAME
> by the name of your package).
>
> Note that there are quite a few changes in this pre-release:
>
> - it requires Snow Leopard or later.
>
> - it is x86_64 only and sub-architectures are not used.
>
> - the recommended compilers have changed and the CRAN distribution uses
> rather specific names for them to make it easier to match them.  Those
> compilers need Xcode 4.2 or later and (if relevant) a Fortran compiler from
> http://r.research.att.com.  Note that the binary is set up for the matching
> gfortran for 10.6: if you have Lion or Mountain Lion you will need to edit
> FLIBS in etc/Makeconf.
>
> - the relevant manuals are part of the distribution, or see
> http://cran.r-project.org/doc/manuals/r-devel/R-admin.html, especially
> chapter 4 and sections 6.3.2 and C.4.
>
> I've reported most of the issues thrown up with CRAN packages to their
> maintainers.  Common issues are
>
> - including headers such as R.h which have #defines before system headers
> and/or without R_NO_REMAP or similar (see 'Writing R Extensions').
>
> - misuse of 'inline' in C code: only 'static inline' is really portable.
>
> - lack of care with OpenMP: the CRAN distribution does not support OpenMP
> and this toolchain has flaky OpenMP support.
>
> Note too that checking with clang (at least the version in Xcode 4.6) rather
> than gcc shows up further problems: the R-admin manual shows you how to set
> that up for yourself.
>
> --
> Brian D. Ripley,                  ripley at stats.ox.ac.uk
> 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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