Matthew Knepley knepley at
Fri Jun 12 19:06:18 CDT 2009

On Fri, Jun 12, 2009 at 6:43 PM, Pedro Juan Torres Lopez <
torres.pedrozpk at> wrote:

> Dear PETSc Team,
> I'm trying to enable mpe log in PETSc. But compiling a example, I get this
> errors,
> /home/ptorres/soft/petsc-3.0.0-p5/src/ksp/ksp/examples/tutorials/ex23.c:38:
> undefined reference to `PetscLogMPEBegin()'
> /home/ptorres/soft/petsc-3.0.0-p5/src/ksp/ksp/examples/tutorials/ex23.c:193:
> undefined reference to `PetscLogMPEDump(char const*)'
> Do I need to define PETSC_HAVE_MPE in the installation step to fix that?.
> If so, how can I do that?. I really appreciate any clue.
> I send attached my 'make info' output.
> Thanks in advance!.

I thought we have taken this support out, however it still seems to be
there. You can try it by adding

#define PETSC_HAVE_MPE 1

to $PETSC_ARCH/include/petscconf.h

and rebuilding.


> Regards
> Pedro Torres
> Pos-Graduação em Engenharia Mecanica
> UERJ-Universidade do Estado do Rio de Janeiro
> Rio de Janeiro - Brasil
What most experimenters take for granted before they begin their experiments
is infinitely more interesting than any results to which their experiments
-- Norbert Wiener
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