[R] (not) compiling fortran -- dynamic loading problem

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Subject: [R] (not) compiling fortran -- dynamic loading problem
From: Matthew Wiener (mcw@ln.nimh.nih.gov)
Date: Wed 02 Feb 2000 - 12:43:20 EST 

Message-ID: <Pine.SGI.3.96.1000201213651.27226A-100000@ln.nimh.nih.gov>

Hi, everyone. This may be properly a fortran question rather than an R
question.

I'm trying to add a few print statements to otherwise working fortran code
in one of the libraries so I can see what's going on in the code. I have
no problem doing so on an SGI machine, but under LinuxPPC I've run into a
problem. The code compiles and creates a shared object (.so), but when I
issue the "library" command to load the new (printing) version, I get the
following error:

undefined symbol: do_lio

I assume this must be some fortran i/o function, and perhaps I'm missing a
library. But I've never seen this symbol before, and I can't find it in
the info pages for g77 (or on the LinuxPPC mailing lists). Does anyone
have any idea where I can find this library on LinuxPPC?

(Or do I have the wrong idea about what the problem is?)

Thanks,

Matt Wiener

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