How to force CMake to link statically with Intel MPI

[DataScientist]

All my efforts to achieve this have so far failed. This included setting the proper compiler `-static` flags for Intel ifort and ifx. Is there a way to force static linking of MPI libraries?

[TobiasK]

@DataScientist

did you try to add -static_mpi ?

[DataScientist]

Thank you @TobiasK for the suggestion. I have tried adding it to the list of CMake compile/link flags but the compiler returned an error stating the flag is unrecognized. It seems like only the MPI wrapper recognizes the flag. Is this true?

If yes, do you know any way to add this to CMake?

[TobiasK · Accepted solution]

@DataScientist

according to https://cmake.org/cmake/help/latest/module/FindMPI.html

MPI_<lang>_COMPILER_FLAGS

should be used to pass -static_mpi

(https://gitlab.kitware.com/cmake/cmake/-/merge_requests/893)

does that work for you?

[DataScientist]

Thank you. It seems like this solution worked.