[Rd] Re: [R] R on gentoo amd64 (gcc 3.3.3) is unstable --- no!

Prof Brian Ripley ripley at stats.ox.ac.uk
Mon Sep 13 08:40:48 CEST 2004


On Mon, 13 Sep 2004, Prof Brian Ripley wrote:

> This has been in the R-admin manual for a least a week, and I reported it 
> here earlier than that.
> 
> R 2.0.0 alpha does not allow f2c on 64-bit platforms.
> 
> It's all been dealt with quite awhile ago ....
> 
> On Sun, 12 Sep 2004 ivo_welch-rstat8783 at mailblocks.com wrote:
> 
> > 
> > from the gentoo folks, on f2c problems with R on 64bit platforms:
> > 
> > "Config and me finally found the reason. When R calls fortran functions 
> >  from its c sources, it uses strictly ints for intgeres, not long ints. 
> > But f2c is perfectly right to use long ints on 64bit arches."

They may assert so, but no real Fortran compiler we have ever 
encountered does, in particular not g77 based on f2c.  So it does rather 
sound like `I am perfectly right but the world is out of step with me'.

-- 
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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