[R] dyn.load and/or add new package (Windows 98)

Prof Brian Ripley ripley at stats.ox.ac.uk
Wed Dec 2 17:41:22 CET 1998

On Wed, 2 Dec 1998, Yoon, Hoon (CICG - NY Program Trading) wrote:

> Acutally the dll's on Splus could be compiled from VC++ and Borland.
> http://www.mathsoft.com/support/splusmenu.htm
> check the docs on cfortran.pdf
> I am surprised that R can't do that. Am I misunderstanding something.

Yes. This is not true for S-PLUS (see the V&R2 programming complements)
and the same reasoning applies to R. You can build DLLs on other
compilers, but then don't expect to be able to call system routines.

BTW: Douglas Steele's caveat on DLLs is out of date: we do know how
to build them natively on Windows in a way that works on all Windows
platforms. Look back in instructions in the V&R2 `R complements' for
details. (www.stats.ox.ac.uk/pub/MASS2/sites.html)

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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