[R] Need Arith.h

Prof Brian D Ripley ripley at stats.ox.ac.uk
Sun Mar 5 08:56:43 CET 2000

On Sat, 4 Mar 2000, Stuart Luppescu wrote:

> I just installed 1.0 (great job, everyone!) and rebuilt all my packages. I have
> found an error in making  VR_6.1-6.tar.gz:

That's not the current version: using VR_6.1-7.tar.gz does not give this
problem. It will be true for a number of other packages too.
> Installing package `MASS' ...
>  libs
> gcc -I/usr/lib/R/include   -mieee-fp  -fPIC -O2 -m486
-fno-strength-reduce -g
> -c MASS.c -o MASS.o
> MASS.c:631: Arith.h: No such file or directory
> make: *** [MASS.o] Error 1
> The file /usr/lib/R/include/Arith.h used to be there (locate says it's
> but the locate db hasn't been rebuilt yet) but isn't anymore.

It was there prior to 0.99.0, but not in the last two versions.

> Never mind -- I don't need Arith.h anymore. I found it in
> /usr/lib/R/include/R_ext and made a link to it in /usr/lib/R/include.

No, please don't do that. Put "R_ext/Arith.h" in the source of old
versions of packages if you need to.

There is a rationale for the change: `Arith.h' is too common a name
for us to be sure of people getting the right 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 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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