[Rd] building a libR.a for BlueGene/L

[Prof Brian Ripley]

On Mon, 19 Jun 2006, Sean Hill wrote:

>
> We would like to compile a minimal R library that could be linked
> into an application that will be run on a BlueGene/L system with
> 8,192 processors. This is a system that requires no shared libraries,
> no graphical interface, must be single threaded, and will be cross-
> compiled.  I would statically link the code for the packages we require.
>
> From looking through the code, it seems like it should be possible
> to build such a version.  However, it would be invaluable to have the
> advice and aid of the people who truly know this software.
>
> Thus far, I have configured the build to use the appropriate
> compilers.  I had to tell configure that it was crosscompiling by
> editing the config.site file (it didn't recognize that it was).

There is no support for cross-compiling R (except for Windows on 
Linux/...).  This may explain the test failure below, as it runs an 
executable.

> However, I am currently hitting a roadblock with configure failing
> with the report:
> WARNING: blrts_xlf and blrts_xlc disagree on int and double
> configure: error: Maybe change CFLAGS or FFLAGS
>
> The last lines in config.log are:
> #ifdef __cplusplus
> extern "C" void exit (int) throw ();
>
> configure: exit 1
>
> Thank you very much for any assistance,
> Best
> Sean
>
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>
>

-- 
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)
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