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-   -   [OpenFOAM.org] Missing mpi.h file error (https://www.cfd-online.com/Forums/openfoam-installation/233147-missing-mpi-h-file-error.html)

Pranto January 15, 2021 04:09

Missing mpi.h file error
 
I got following warnings
Code:


Warning in OpenFOAM-dev/etc/config.sh/settings:
    MPI_ARCH_FLAGS is not set. Example:

export MPI_ARCH_FLAGS="-DOMPI_SKIP_MPICXX" 

 Warning in OpenFOAM-dev/etc/config.sh/settings:   

MPI_ARCH_LIBS is not set. Example:         

export MPI_ARCH_LIBS="-L$MPI_ROOT/lib -lmpi"

where should I put MPI_ARCH_FLAGS? Otherwise, it gives
Code:


 UPstream.C:30:10: fatal error: mpi.h: No such file or directory


Thanks in advance


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