[CMake] CMake and MPIF90

[Pettey . Lucas]

Hello,

I am getting errors when I execute a simple "hello World" mpi program compiled using cmake.

I could not get the program to compile using various forms of FIND_PACKAGE(MPI REQUIRED), INCLUDE_DIRECTORIES(${MPI_INCLUDE_PATH}), TARGET_LINK_LIBRARIES(executable ${MPI_LIBRARIES}) and filling in flags manually for anything missing.

I then tried FC=mpif90 and the program compiled, but gave me upon execution a series of errors starting with:

[[INVALID],INVALID] ORTE_ERROR_LOG: Not found in file runtime/orte_init.c at line 121

The rest indicate that MPI is not being initialized properly.

As a sanity check, I compiled using mpif90 in the command line and everything worked fine.

Any ideas or links to documentation? I tried searching the wiki, but it is not very straightforward.

Thanks,
Lucas
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