Re: [Rd] Updated Windows toolchain

From: Duncan Murdoch <murdoch.duncan_at_gmail.com>
Date: Tue, 10 Jan 2012 13:09:46 -0500

On 10/01/2012 12:51 PM, Dan Tenenbaum wrote:
> On Mon, Nov 28, 2011 at 11:56 PM, Prof Brian Ripley
> <ripley_at_stats.ox.ac.uk> wrote:
> > An updated toolchain is now being used for Windows' builds of R-devel:
> > details are in the R-admin manual and at
> > http://www.murdoch-sutherland.com/Rtools/ and
> > http://www.stats.ox.ac.uk/pub/Rtools/
> >
>
> Thanks for the update.
> I saw that
> http://cran.r-project.org/bin/windows/Rtools/VERSION.txt
> had the following contents:
> Rtools version 2.15.0.1911
>
> So I downloaded Rtools215.exe but when I installed it, the VERSION.txt
> that was extracted read:
> Rtools version 2.15.0.1908
>
> ...which is the same version I previously had installed.
>
> Has the new version not propagated yet or is there some other issue?

I see 2.15.0.1911 in the original of that file, but the file on the Canadian mirror is the 1908 version (not current). Not sure how that happened; it might just be really bad luck in the update timing.

I'll wait until tomorrow to see if things clear themselves up automatically.

Duncan Murdoch

> Thanks,
> Dan
>
>
> > Both 32- and 64-bit parts of the toolchain use v2.0.1 of the Mingw-w64
> > project's runtime and a beta of gcc 4.5.4: the Mingw.org project's builds
> > are no longer used. This should mean that code which compiles for 64-bit
> > Windows also compiles for 32-bit Windows, and v.v. unless code makes
> > (incorrect but common) assumptions that pointers fit into longs.
> >
> > A very few packages will need modifications because they contain
> > declarations which clash with the headers in this toolchain: where we are
> > aware of problems the maintainers have been informed.
> >
> > At DLL level different Windows' toolchains should be compatible: at C level
> > they mostly are but at C++ level they are pretty much incompatible (so that
> > for example GDAL has to be re-compiled for every toolchain: and Rcpp users
> > need to be careful to use only one toolchain for Rcpp and their packages).
> > All the external software previously made available (and more) is made
> > available at http://www.stats.ox.ac.uk/pub/Rtools .
> >
> > The toolchain has support for OpenMP and pthreads: however OpenMP support is
> > not enabled by default in R (it is too slow to be much use). If you do make
> > use of it in your packages, be aware that you will need to ship the
> > appropriate pthreads DLL(s).
> >
> > It is expected that there will be several further minor updates prior to the
> > release of 2.15.0 in ca 4 months, but this step is the major one.
> >
> > --
> > 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
> >
> > ______________________________________________
> > R-devel_at_r-project.org mailing list
> > https://stat.ethz.ch/mailman/listinfo/r-devel
>
> ______________________________________________
> R-devel_at_r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-devel



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