R help - Jun 2004 - loading multiple C files to R

Hi,
   I am willing to load multiple C files to R, which
are inter-dependent (functions used in one may be
defined in other). What I was trying is to first
compile all of them separately (using R CMD SHLIB ...)
and then load them one by one (using dyn.load("...")
), but  it doesnt work (which seems to be obvious).
During loading, it was unable to recognize the
functions declared in already loaded file.

Please help.
Is there any documentation available on this topic,
other than "Writing R extensions"?

Thanks,
Utsav

On Tue, 15 Jun 2004, Utsav Boobna wrote:
> Hi,
>    I am willing to load multiple C files to R, which
> are inter-dependent (functions used in one may be
> defined in other). What I was trying is to first
> compile all of them separately (using R CMD SHLIB ...)
> and then load them one by one (using dyn.load("...")
> ), but  it doesnt work (which seems to be obvious).
> During loading, it was unable to recognize the
> functions declared in already loaded file.
> 
> Please help.
> Is there any documentation available on this topic,
> other than "Writing R extensions"?
Which is sufficient, as it tells you

  This accepts as arguments a list of files which
  must be object files (with extension @file{.o}) or C, C++, or FORTRAN
  sources (with extensions @file{.c}, @file{.cc} or @file{.cpp} or
  @file{.C}, and @file{.f}, respectively).  See @kbd{R CMD SHLIB --help},
  or the on-line help for @code{SHLIB}, for usage information. 

Did you not notice `a list of files'?  You should be calling R CDM SHLIB 
only once.

-- 
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

On Tue, Jun 15, 2004 at 01:43:21AM -0700, Utsav Boobna
wrote:
> Hi,
>    I am willing to load multiple C files to R, which
> are inter-dependent (functions used in one may be
> defined in other). What I was trying is to first
> compile all of them separately (using R CMD SHLIB ...)
> and then load them one by one (using dyn.load("...")
> ), but  it doesnt work (which seems to be obvious).
> During loading, it was unable to recognize the
> functions declared in already loaded file.
> 
> Please help.
> Is there any documentation available on this topic,
> other than "Writing R extensions"?
> 
> Thanks,
> Utsav
> 
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Dear Utsav,

  I think that you missed an option in dyn.load().
You can load your program by
dyn.load("your.program",local=FALSE)

  Good luck.

  Jin