R help - May 2002 - Two questions about nmath

Hi !

1) First question.

Excuse me for trouble with the same question. I still have problems
with the compilation of test.c in src/nmath/standalone.

I did follow the instructions you gave me but I still receive this message


[root at my standalone]# cc -o test test.c -L/usr/local -lRmath
/usr/local/libRmath.so: undefined reference to `log'
/usr/local/libRmath.so: undefined reference to `sqrt'
/usr/local/libRmath.so: undefined reference to `ceil'
/usr/local/libRmath.so: undefined reference to `floor'
/usr/local/libRmath.so: undefined reference to `cos'
/usr/local/libRmath.so: undefined reference to `sin'
/usr/local/libRmath.so: undefined reference to `pow'
/usr/local/libRmath.so: undefined reference to `sinh'
/usr/local/libRmath.so: undefined reference to `log10'
/usr/local/libRmath.so: undefined reference to `exp'
/usr/local/libRmath.so: undefined reference to `tan'
/usr/local/libRmath.so: undefined reference to `atan'
/usr/local/libRmath.so: undefined reference to `hypot'
collect2: ld returned 1 exit status

Which is the problem now ?

I did produce libRmath.so and then I did copy it in /usr/local. I did
add the path /usr/local in /etc/ls.so.conf, then I did run ldconfig as
follows

./sbin/ldconfig -n /usr/local

2) Second question
 Where can I find documentation about Rmath ?

Thanks a lot,
Paola.

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On Fri, 31 May 2002, Paola Lecca wrote:
> 1) First question.
>
> Excuse me for trouble with the same question. I still have problems
> with the compilation of test.c in src/nmath/standalone.
>
> I did follow the instructions you gave me but I still receive this message
I don't think R-help collectively gave you instructions.  Credit where
credit is due (and ditto for blame), please.
> [root at my standalone]# cc -o test test.c -L/usr/local -lRmath
> /usr/local/libRmath.so: undefined reference to `log'
[...]
> Which is the problem now ?
The same as before.  Did you actually try

make test

?   Do try it and see what you can learn from it.
> I did produce libRmath.so and then I did copy it in /usr/local. I did
A very strange place to put it: /usr/local/lib is the conventional place
for third-party libraries.
> add the path /usr/local in /etc/ls.so.conf, then I did run ldconfig as
> follows
(ld.so.conf?)
> ./sbin/ldconfig -n /usr/local
> 2) Second question
>  Where can I find documentation about Rmath ?
The README, the appropriate R manual, R-exts.texi etc, and in the source
code.

-- 
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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