[Rd] Updated Windows toolchain
murdoch.duncan at gmail.com
Tue Jan 10 19:09:46 CET 2012
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
> had the following contents:
> Rtools version 18.104.22.1681
> So I downloaded Rtools215.exe but when I installed it, the VERSION.txt
> that was extracted read:
> Rtools version 22.214.171.1248
> ...which is the same version I previously had installed.
> Has the new version not propagated yet or is there some other issue?
I see 126.96.36.1991 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.
> > 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
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