Request related to SLEPc

[Matthew Knepley]

If PETSC_ARCH is not set, I would just use the default arch generated by
configure, like
we do in the PETSc configure.

  Matt

On Fri, Dec 12, 2008 at 11:29 AM, Jose E. Roman <jroman at dsic.upv.es> wrote:

>
> On 12/12/2008, Jose E. Roman wrote:
>
>  SLEPc's configure.py uses the value of $PETSC_ARCH in order to setup
>> everything for installation. We never had a $SLEPC_ARCH variable because our
>> configure.py does not add platform-dependent functionality.
>>
>> Now the problem comes when PETSc has been configured with --prefix and
>> installed with make install. In that case, $PETSC_ARCH is no longer
>> available and SLEPc's configure.py is in trouble.
>>
>> A simple workaround would be that PETSc's configure (or make install)
>> would add a variable (e.g. PETSC_ARCH_NAME) in file petscvariables. We parse
>> this file so the arch name would be readily available even if $PETSC_ARCH is
>> undefined.
>>
>> Can someone do this? Other solutions are welcome.
>>
>> Thanks,
>> Jose
>>
>>
> Let me explain the situation a bit better.
>
> In SLEPc's configure.py we now (in slepc-dev) create a directory called
> $PETSC_ARCH in $SLEPC_DIR, then $PETSC_ARCH/lib contains the compiled SLEPc
> libraries and $PETSC_ARCH/conf contains log files and a "slepcvariables"
> file. After building, we allow 'make install' if a --prefix was specified in
> SLEPc's configure.py (this is not working in slepc-dev yet).
>
> The thing is that if $PETSC_ARCH is not set, then we cannot create the
> $PETSC_ARCH directory. I guess it would be ok to create the files in the
> root $SLEPC_DIR directory, but this may be confusing for users if they
> expect a $PETSC_ARCH directory, and more complicated for our makefiles.
>
> Any suggestion?
>
> The latest SLEPc snapshot is here:
> http://www.grycap.upv.es/slepc/download/distrib/pre/slepc-dev-081210.tgz
>
> Jose
>
>


-- 
What most experimenters take for granted before they begin their experiments
is infinitely more interesting than any results to which their experiments
lead.
-- Norbert Wiener
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