[R] Building a dll for windows

Prof Brian Ripley ripley at stats.ox.ac.uk
Wed Sep 19 16:50:49 CEST 2001

On Wed, 19 Sep 2001, Victor Moreno wrote:

> This is a recurrent question but could not find the answer in the
> documentation.
> I want to build a dll for windows from a fortran program to be loaded with
> dyn.load. I can do it easily for linux with: g77 -shared -o foo.dll foo.f
> The g77 compiler (mingw-1.01) for windows does not recognise the -shared
> option.
> In windows the Writing extensions manual tells to use Rcmd SHLIB but I can't
> find Rcmd
> Any help would be appreciated.

Just to add a small piece: with that compiler g77 --shared -o foo.dll
foo.f works for me.  Note, --shared.

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 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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