'RE: [Rd] Compiling "R Embedded" examples'

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List:       r-devel
Subject:    RE: [Rd] Compiling "R Embedded" examples
From:       Prof Brian Ripley <ripley () stats ! ox ! ac ! uk>
Date:       2005-03-22 17:50:54
Message-ID: Pine.LNX.4.61.0503221748270.30346 () gannet ! stats
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On Tue, 22 Mar 2005, Mauron Laurent (KETR 31) wrote:

> Your suggestion to use Rmain.c led to the solution.
> 
> The compilation of Rmain.c worked ok. I had a look at Rmain.c and found this \
> reference to MAIN__ 
> /* Declarations to keep f77 happy */
> int MAIN_(int ac, char **av)  {return 0;}
> int MAIN__(int ac, char **av) {return 0;}
> int __main(int ac, char **av) {return 0;}
> 
> Adding those lines to Rtest.c did the trick.

That is actually what I suggested ... or rather, the second line.

> I am still puzzled by this problem.

So are we, but as two of us have no problem on our systems, it is 
something about yours, for example which loader you are using.

> The fortran compiler I was using is 
> g77 from gcc3.3.2.

> $ g77 -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
> 
> Anyway, it works now. Thanks a lot for your help!
> 
> Laurent
> 
> 
> 
> 
> -----Original Message-----
> From: Prof Brian Ripley [mailto:ripley@stats.ox.ac.uk]
> Sent: 22 March 2005 16:52
> To: Mauron Laurent (KETR 31)
> Cc: 'r-devel@stat.math.ethz.ch'
> Subject: RE: [Rd] Compiling "R Embedded" examples
> 
> 
> 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@wald.ucdavis.edu]
> > Sent: 21 March 2005 20:01
> > To: Mauron Laurent (KETR 31)
> > Cc: 'r-devel@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@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
> 
> ______________________________________________
> R-devel@stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-devel
> 
> 

-- 
Brian D. Ripley,                  ripley@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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