>
> If you know to which standard the MPI installation is conforming, you
> could try to set it via
> cmake -DMPI_VERSION=...
> yourself.
The MPI version is 3.1. But will this be of use? After all, the include
paths, linker flags and library variables will still be blank.
But separately, we try to obtain the MPI version from the file mpi.h via
> the
> following cmake code in cmake/modules/FindMPI.h
I tried this. The mpi.h file is present in
/opt/cray/pe/mpt/default/gni/mpich-gnu/5.1/include. So I modified my cmake
invocation as follows.
cmake -DCMAKE_INSTALL_PREFIX=~/bin/dealii-9.1.1 \
-DPREFIX_PATH=/opt/cray/pe \
-DWITH_MPI=ON \
-DMPI_DIR=/opt/cray/pe/mpt/default/gni/mpich-gnu/5.1 \
-DMPI_CXX_INCLUDE_PATH=/opt/cray/pe/mpt/default/gni/mpich-gnu/5.1/include \
-DCMAKE_CXX_COMPILER=/opt/cray/pe/craype/2.5.13/bin/CC \
-DCMAKE_C_COMPILER=/opt/cray/pe/craype/2.5.13/bin/cc \
-DCMAKE_Fortran_COMPILER=/opt/cray/pe/craype/2.5.13/bin/ftn
\
-DWITH_LAPACK=OFF
-DLAPACK_DIR=/opt/cray/pe/libsci/17.12.1/GNU/6.1/x86_64 \
-DWITH_PETSC=OFF -DPETSC_DIR=$PETSC_DIR -DPETSC_ARCH=$PETSC_ARCH \
-DWITH_P4EST=OFF -DP4EST_DIR=~/bin/p4est-2.2 \
~/source/dealii-9.1.1
The output still shows this message:
-- Include
/home/ComptGasDynLab/vachanpotluri/source/dealii-9.1.1/cmake/configure/configure_1_mpi.cmake
-- MPI_MPI_H not found! Call:
-- FIND_FILE(MPI_MPI_H NAMES mpi.h HINTS)
-- MPI_VERSION: 0.0
-- 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.
and the detailed log still shows blanks:
# DEAL_II_WITH_MPI set up with external dependencies
# MPI_VERSION = 0.0
# MPI_DIR = /opt/cray/pe/mpt/default/gni/mpich-gnu/5.1
# MPI_C_COMPILER = /opt/cray/pe/craype/2.5.13/bin/cc
# MPI_CXX_COMPILER = /opt/cray/pe/craype/2.5.13/bin/CC
# MPI_Fortran_COMPILER = /opt/cray/pe/craype/2.5.13/bin/ftn
# MPI_CXX_FLAGS =
# MPI_LINKER_FLAGS =
# MPI_INCLUDE_DIRS =
# MPI_USER_INCLUDE_DIRS =
# MPI_LIBRARIES =
Even after giving the MPI_CXX_INCLUDE_PATH hint, why is cmake not able to
detect the version? Am I missing something?
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