Re: [R] Dynamic load

From: Uwe Ligges <>
Date: Tue 17 Jan 2006 - 18:58:08 EST

Mikael Anderson wrote:

> Hi,
> I am trying to load a FORTRAN program which I have downloaded from netlib.
> Counting the number of dependencies, there are about 10 programs which have
> to be loaded. This is under SunOS 5.9 and R 2.2.1. I have compiled the
> files with R221 CMD SHLIB *.f.
> If I load these object files one by one with dyn.load() I get an error like
> _j4save:reference symbol not found.

Why not compile them into one shared library?

> I have used S-Plus in the past 15 years and what I remember is that in the
> old versions of S-Plus (3.4 maybe?) one could create one single object file
> under UNIX and load them with dyn.load but I don't have access to those old
> manuals at the moment. I am new to R, so I wonder what is the best way of

It might surprise many R-help posters, but R has manuals as well...

Uwe Ligges

> loading a FORTRAN file with all its dependencies to R.
> /Mikael
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