[R] Atlas shared

[Huntsinger, Reid]

I don't see why the Debian shared libraries shouldn't work, but it's not too
hard to make shared ATLAS: first you need to get the flags for
position-independent code (-fPIC on gcc) into the compilations, which can be
done in the "config" program (add it to the defaults for the C and Fortran
compiler flags), then you extract the object files from the .a archive built
by "make install" and put them into a shared library with ld -shared. See
the "Program Library Howto" at
http://www.ibiblio.org/pub/Linux/docs/HOWTO/other-formats/pdf/Program-Librar
y-HOWTO.pdf.

PS I couldn't make it work without saying "yes" to pthreads in the config
program, though, and trying to give the libraries different names (in the
config program) also didn't work. 

Reid Huntsinger

-----Original Message-----
From: Göran Broström [mailto:gb at stat.umu.se]
Sent: Wednesday, October 02, 2002 3:06 AM
To: r-help at stat.math.ethz.ch
Subject: [R] Atlas shared



In a FAQ on an ATLAS home page I see that shared libraries are not
supported, and indeed, when I build from source I only get static
libraries. R  needs shared libraries (right?!), so how do I get that?
With Debian (and Windows?) there are no problems, since there are
prebuilt shared libraries, but how about RedHat? (These are my three
systems.)

How do I get shared atlas libraries that work with  R  on RedHat?

Thanks,

Göran
---
 Göran Broström                    tel: +46 90 786 5223
 Department of Statistics          fax: +46 90 786 6614
 Umeå University                   http://www.stat.umu.se/egna/gb/
 SE-90187 Umeå, Sweden             e-mail: gb at stat.umu.se


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