[Ifeffit] Athena 0.8.014

[Carlo U. Segre]

Matt:

Yes, I agree and using the --with-pgplot=/usr/lib/pgplot5/
option fixes things.  The only confusion I have is why version 1.0075a
seemed to work correctly.  Oh, well.

Carlo


On Tue, 4 Mar 2003, Matt Newville wrote:

>Hi Carlo,
>
>Yes, the problem you're seeing is almost certainly due to the
>debian PGPLOT package providing a shared library (libpgplot.so)
>which the compiler sees at compile time but the loader cannot
>find at run time.  An easy way to check this (on linux, darwin,
>and a few other unix-like systems) is to do
>  ldd /usr/local/bin/ifeffit
>
>which will list all shared libraries this exe will try to load.
>If the comiler has tried to use a shared library, it will be
>listed.  If the loader can find it, the actual path to the shared
>library will be given.  If it can't be found, that will be
>stated, and the exe will fail when trying to use anything from
>that library.
>
>There are a few possible solutions.  One option is to not use the
>debian PGPLOT package, but use my PGPLOT_INSTALL instead.  This
>makes sure the shared object is deleted, so that ifeffit will
>build with the static library.  Another option is to copy the
>shared object to somewhere it can be found by the system --
>/usr/lib always works, and /usr/local/lib usually works too.  A
>final option is to tell the loader where to look for shared
>objects.  On linux, the list is in /etc/ld.so.conf.  Edit this
>file to include /usr/local/lib, and/or /usr/local/pgplot,
>and then run /sbin/ldconfig.
>
>You will probably also need to run ldd on
>
>  /usr/lib/perl5.6/..../auto/Ifeffit/Ifeffit.so
>  /usr/lib/python.../site-packages/Ifeffit/_ifeffit.so
>
>to make sure that these can see libpgplot.so as well.
>
>It seems strange that Debian would distribute a PGPLOT package
>that provides a shared-object in a place that does not work.
>What other packages rely on the PGPLOT package?  Do those work?
>
>A positive aspect of all of this is that if Debian and Fink are
>both distributing binary packages of PGPLOT, then I could
>probably distribute my own PGPLOT binaries (say for linux and
>darwin) to be used in the Ifeffit build process.  That would be a
>little bit of work, and there seem to be no volunteers, so it
>won't happen immediately.  Frankly, I view this as a low priority
>compared to fixing the Mac OS X build issues.
>
>--Matt
>
>

-- 
Carlo U. Segre -- Professor of Physics
Associate Dean for Research, Armour College
Illinois Institute of Technology
Voice: 312.567.3498            Fax: 312.567.3494
Carlo.Segre at iit.edu    http://www.iit.edu/~segre