[Rd] Compiling "R Embedded" examples

Prof Brian Ripley ripley at stats.ox.ac.uk
Tue Mar 22 16:52:19 CET 2005

On Tue, 22 Mar 2005, Mauron Laurent (KETR 31) wrote:

> Thanks for your suggestion. I re-compiled R-2.0.1 with gcc 3.3.2. but 
> got exactly the same problem.

(Which problem is not described in this message and the stated URL is 
invalid.  Searching suggests it is related to MAIN__.)

> I am very puzzled because the compilation of R is ok. Is there any piece 
> of code that was succesfully compiled on my setup that could be used as 
> an example of embedding R in C/C++ (tcltk for example?).

No.  Only R.bin is in any way similar to the embedded examples: tcltk is 
run from R, not R from tcltk.

Solaris 8, gcc 3.4.3 works for me.

Note that MAIN__ is defined in Rmain.c, and that is part of R.bin and not 
libR.so.  You could try copying it is to Rtest.c to see if this helps.

What you have not told us is the Fortran that you are using.  That is 
likely to be the clue.  Try a current gcc AND g77 -- gcc is a Compiler 
Collection, not just a C compiler.

> $gcc -v
> Reading specs from /app/gcc_3.3.2/lib/gcc-lib/sparc-sun-solaris2.8/3.3.2/specs
> Configured with: ../configure --prefix=/app/gcc_3.3.2 --with-local-prefix=/app/gcc_3.3.2 --enable-threads --enable-version-specific-runtime-libs : (reconfigured) ../configure --prefix=/app/gcc_3.3.2 --with-local-prefix=/app/gcc_3.3.2 --enable-threads --enable-version-specific-runtime-libs
> Thread model: posix
> gcc version 3.3.2
> -----Original Message-----
> From: Duncan Temple Lang [mailto:duncan at wald.ucdavis.edu]
> Sent: 21 March 2005 20:01
> To: Mauron Laurent (KETR 31)
> Cc: 'r-devel at stat.math.ethz.ch'
> Subject: Re: [Rd] Compiling "R Embedded" examples
> Mauron Laurent (KETR 31) wrote:
>> Hi,
>> I haven't made any progress regarding compiling the "R embedding" 
>> example ( http://tolstoy.newcastle.edu.au/R/devel/05/03/0143.htm ) and 
>> I am running out of ideas.
>> I would be very grateful if someone could give me some reference or 
>> pointers where to look. In other words, how would you attack the 
>> problem if you were in the same situation?
> I would install a different version of gcc (e.g. gcc-3.3.3) as that works on
> one of the Solaris machines I use.
>   SunOS 5.8 Generic_117000-05 sun4u sparc SUNW,Ultra-5_10
> On that machine, all works fine.

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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