[petsc-users] PETSc config error

[Jed Brown]

On Thu, Sep 8, 2011 at 02:01, amrit poudel <amrit_pou at hotmail.com> wrote:

>
>  ./config/configure.py --prefix=/home/amrit/PETSc
> --with-scalar-type=complex --with-batch --with-cc=/home/amrit/MPI/bin/mpicc
> --with-fc=/home/amrit/MPI/bin/mpif77
>
>
> ===============================================================================
>              Configuring PETSc to compile on your
> system
>
> ===============================================================================
> TESTING: configureMPIEXEC from
> config.packages.MPI(config/BuildSystem/config/pac*******************************************************************************
>          UNABLE to CONFIGURE with GIVEN OPTIONS    (see configure.log for
> details):
>
> -------------------------------------------------------------------------------
> Must give a default value for known-mpi-shared since executables cannot be
> run


You need to determine whether your MPI implementation uses static or shared
libraries, then pass --known-mpi-shared=1 if it shared and
--known-mpi-shared=0 otherwise. You can determine whether it is shared by
examining the libraries.

mpicc -show
ls /home/amrit/MPI/lib                  # look for *.a for shared libs and
*.so or *.dylib for shared libs.
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