[Rd] Updated Windows toolchain

[Duncan Murdoch]

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
>
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