[Rd] Re: [R] pl/R and MacOS X using R binary
Prof Brian Ripley
ripley at stats.ox.ac.uk
Tue Apr 19 14:56:21 CEST 2005
[Moved from R-help.]
On Tue, 19 Apr 2005, Sean Davis wrote:
> I'm sorry if this is too off-topic--feel free to ignore. I am interested in
> using pl/R, an amazing "plugin" for the postgresql database. As is typical
> of these types of applications, pl/R needs to link against a shared library.
> However, it appears that the MacOS R binary does not build a static (.so)
> shared library.
Excuse me, but a .so is a DSO, a Dynamic _Shared_ Object. What does
`static' have to do with this? libR is a dynamic library, actually
libR$(DYLIB_EXT) with values of .so. .sl and .dylib being known.
> Is there an accepted, general way (read, a way that works)
> for linking against R (presumably the dylib) on the Mac?
Yes, since that is how the GUI on MacOS X works.
My guess is that you think that pl/R requires libR.so: if correct that is
a false assumption made somewhere along the line, and the best thing to do
is to consult the author. In any case
http://www.joeconway.com/plr/doc/plr-install.html
just says
Tip: R headers are required. Download and install R prior to building
PL/R. R must have been built with the --enable-R-shlib option when it
was configured, in order for the libR shared object library to be available.
Please do consult the posting guide as to the right place. (I've moved
this to R-devel and included Joe Conway. Joe: perhaps you could make you
email address more readily available in the PL/R pages.)
--
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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