Hello,
I'm a beginner and I apologize in case I'm asking a question that
has already been answered. I would like to find mpi in my
CMakeLists.txt and enable the user to set the mpi inlude and lib
directories by setting say variables MY_MPI_INCLUDE_DIR and
MY_MPI_LIB_DIR in cmake gui.
Using find_package(MPI) works just fine for me, but once the
package is found (and the variables MPI_LIBRARY and MPI_INCLUDE_PATH
are set and cached), I cannot force cmake to search again for MPI in a
different directory).
Could you please give me a hint how to do this? How should I handle
a situation where a user has possibly multiple mpi installations?
Thank you very much.
Best regards,
Martin Vymazal
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