[R] installation of R/parallel package in win32/64

Prof Brian Ripley ripley at stats.ox.ac.uk
Wed Dec 22 14:35:21 CET 2010

This is simply misinformation.  The Rtools distribution does include 
g++ suitably configured for static linking of libstdc++, and that 
works for the hundreds of CRAN/BioC packages using C++.

And please report bugs in packages to their maintainers, not here.
You do not need to include the paths to MinGW's include and lib 
directories in Makevars.win, so that package should not have them.

On Tue, 21 Dec 2010, Andy Zhu wrote:

> This is to summarize my workaround to install R/parallel in win32/64 boxes.
> Recently I had problems to install rparallel:
> 1. The package's Makevars.win coded include fixed path for Rtools
> 2. package is written in C++; Rtools and R are not intended to run g++ by
> default.
> My workaround:
> 1. Need to install R, Rtools as usual.  Note Rtools 2.12 has both 32bit mingw
> and 64 bit.  However, it doesn't include package for g++ and libstdc++.  You
> need to install these 2 packages into rtools from sourceforge first.
> 2. In rparallel source tree, open Makevars.win: change the PKG_CPPFLAGS and
> PKG_LIBS variables to point to your correct rtools and rtools/mingw directories.
> 3. In R_installation/etc: open i386 or win64 (forget the name for 64bit) and
> open Makeconf file; look for DLLFLAGS += ... and append -static-libstdc++.  This
> flag will cause g++ to statically link in libstdc++.
> then you can run usual R CMD INSTALL rparallel.
> Good luck.
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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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