[CMake] FindMPI: finding openmpi libs and includes

[Hicham Mouline]

Hi,

I have built debug and release win32 and x64 openmpi libs for windows, and I
have them installed on linux x64.

How does FindMPI work for auto detecting If I don't set any MPI_ variable at
all?

Does it search for mpic++ in the %PATH% or $PATH?

What MPI_ variables is the user required to define?

 

regards,

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