[petsc-users] build with Scalapack/Blacs from MKL (failed to compile a test)

[Denis Davydov]

> On 14 Mar 2016, at 17:22, Satish Balay <balay at mcs.anl.gov> wrote:
> 
> I do not know why this is hapenning. I just tried to reproduce - but it ran fine for me.
> 
> balay at es^/scratch/balay/petsc(master=) $ ./configure --with-cc=mpicc.openmpi --with-cxx=mpicxx.openmpi --with-fc=mpif90.openmpi --with-blas-lapack-dir=$MKL_HOME --with-scalapack-include=$MKL_HOME/include --with-scalapack-lib="-L$MKL_HOME/lib/intel64 -lmkl_scalapack_lp64 -lmkl_blacs_openmpi_lp64"
> 
> 
> Is this issue reproduceable if you just configure with scalapack [as above?] - and not any other package?

I tried with the same simple setup, but no luck. In Ubuntu OpenMPI is 1.6.5.

> 
> What if you try using --download-openmpi - instead of ubuntu openmpi?

did that, 1.8.5 was fetched. But this did not change the result.
Very strange...

> 
> Sorry - I don't have a good answer for this issue..

Could this be related to the usage of GNU compilers? 
But since MUMPS linked and tests run, i don’t see how this is possible.

Regards,
Denis.


> 
> Satish
> 
> 
> On Mon, 14 Mar 2016, Denis Davydov wrote:
> 
>> Hi Satish,
>> 
>> Please find the log attached.
>> 
>> 
>> Kind regards,
>> Denis
>> 
>>> On 14 Mar 2016, at 16:59, Satish Balay <balay at mcs.anl.gov> wrote:
>>> 
>>> please send corresponding configure.log
>>> 
>>> Satish
>>> 
>>> On Mon, 14 Mar 2016, Denis Davydov wrote:
>>> 
>>>> Dear all,
>>>> 
>>>> What is the correct way to build PETSc with Scalapack/Blacs from MKL?
>>>> I tried:
>>>> 
>>>> —with-scalapack-lib=/path/to/mkl/lib/intel64/libmkl_scalapack_lp64.so /path/to/mkl/lib/intel64/libmkl_blacs_openmpi_lp64.so
>>>> —with-scalapack-include=/path/to/mkl/include
>>>> 
>>>> but PETSc config fails to compile a test program and gives a lot of
>>>>        “undefined reference to ‘ompi_mpi_real’, ‘MPI_Allgather’, ‘MPI_Cart_create’” etc from libmkl_blacs_openmpi_lp64.so.
>>>> Strangely enough I do see “-lmpi_f90 -lmpi_f77 -lmpi” in the compiler line, so i don’t know why these symbols are missing.
>>>> Also MPI wrapper is used (/usr/bin/mpicc).
>>>> 
>>>> I already built MUMPS without a problem and even tests run ok, so I am quite puzzled whether it’s something related to PETSc or MKL.
>>>> 
>>>> p.s. I use OpenMPI provided by Ubuntu.
>>>> 
>>>> Kind regards,
>>>> Denis
>>>> 
>>>> 
>> 
>> 
>>