Hello,

MPICH and LAM are *not* binary compatible, so it's not possible to
configure their links at runtime.  That's why PETSc links specifically
to the mpich libraries.  It is not possible to use the alternatives
system to switch between them.

But you can configure PETSc to use lam.  The details on how to do this
are in the README.Debian file which comes with libpetsc2.2.0-dev.

How that will work with 2.3.0 will depend on how I package it.  I'm
afraid I'm stuck now on getting hypre to build at all with the new
toolchain, spent about eight hours on it yesterday. :-(  When all of the
new mpich dependencies get into testing, then I'll focus on petsc again.

Thanks for the report,
Adam

On Mon, 2005-09-05 at 14:07 -0400, Faheem Mitha wrote:
> Dear Adam Powell,
> 
> I'm forwarding this message (from the DOLFIN dev mailing list) here since 
> this looks like it might be relevant to packaging PETSc.
> 
> You probably understand these issues better than I do. However, feel free 
> to ask for clarifications if necessary.
> 
> How is the packaging going?
> 
>                                                                    Faheem.

-Adam
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