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

Matthew Wiener mcw at ln.nimh.nih.gov
Wed Feb 2 03:43:20 CET 2000

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

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?)


Matt Wiener

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