Vachan,
I saw on the other thread that you were using CMake 3.5. I would advise to
download a newer version of CMake. deal.II uses FindMPI from CMake and this
was rewritten in CMake 3.10 to fix problems with Cray supercomputers.
Best,
Bruno
On Saturday, February 8, 2020 at 1:43:59 AM UTC-5, vachan potluri wrote:
>
> Dear Prof. Bangerth,
>
> Can you attach it to a reply? It would be interesting to see why the
>> version
>> detection didn't work. (Although I see that cmake complains that it can't
>> find
>> the file, so that is probably the issue. I don't know why it can't find
>> the
>> file...)
>
> I really appreciate and value your involvement in this thread. I have
> attached mpi.h with this mail. I want to mention that I added this line
> in FindMPI.cmake just before DEAL_II_FIND_FILE(MPI_MPI_H ...):
> MESSAGE(STATUS "Searching for mpi.h in ${MPI_CXX_INCLUDE_PATH}")
> and found the corresponding output by cmake to be as follows.
> -- Include
> /home/ComptGasDynLab/vachanpotluri/source/dealii-9.1.1/cmake/configure/configure_1_mpi.cmake
> -- Searching for mpi.h in
> -- Found MPI_MPI_H
> -- MPI_VERSION: 3.1
> -- MPI_LIBRARIES:
> -- MPI_INCLUDE_DIRS:
> -- MPI_USER_INCLUDE_DIRS:
> -- MPI_CXX_FLAGS:
> -- MPI_LINKER_FLAGS:
> -- Found MPI
> -- DEAL_II_WITH_MPI successfully set up with external dependencies.
> Notice that the path is not printed, the variable is empty! Probably the
> problem is not with reading the header but with the variable being changed
> somewhere else.
>
> It's still possible that everything links correctly. What happens if you
>> run
>> cmake and then compile? Does it work?
>
> I have not tried compiling the source because there are some other things
> also that I wanted to figure out. I have started a new thread for this
> purpose here https://groups.google.com/forum/#!topic/dealii/MCYyPrZNyjg.
> I request you to have a look at this one too.
>
> Thank you
>
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