[CMake] FindMPI not looking in /usr?

[Pettey . Lucas]

Hello,

I am running CMake 2.8.12 on a Mac OSX 10.8. The FindMPI.cmake module doesn't appear to accept that the mli libraries are in the /usr/lib directory. I get the error message pasted below. It would seem that mlicc --showme yields "gcc -lmpi -lm". The module then tries to find the libraries "mpi" and "m" but either isn't looking in "/usr/lib" or isn't looking there correctly, because the libraries are there and MPI works fine. Any advice is appreciated.

 CMake Warning at /Applications/CMake 2.8-12.app/Contents/share/cmake-2.8/Modules/FindMPI.cmake:383 (message):
   Unable to find MPI library mpi
 Call Stack (most recent call first):
   /Applications/CMake 2.8-12.app/Contents/share/cmake-2.8/Modules/FindMPI.cmake:569 (interrogate_mpi_compiler)
   CMakeLists.txt:456 (find_package)



 CMake Warning at /Applications/CMake 2.8-12.app/Contents/share/cmake-2.8/Modules/FindMPI.cmake:383 (message):
   Unable to find MPI library m
 Call Stack (most recent call first):
   /Applications/CMake 2.8-12.app/Contents/share/cmake-2.8/Modules/FindMPI.cmake:569 (interrogate_mpi_compiler)
   CMakeLists.txt:456 (find_package)



 CMake Error at /Applications/CMake 2.8-12.app/Contents/share/cmake-2.8/Modules/FindPackageHandleStandardArgs.cmake:108 (message):
   Could NOT find MPI_C (missing: MPI_C_LIBRARIES)
 Call Stack (most recent call first):
   /Applications/CMake 2.8-12.app/Contents/share/cmake-2.8/Modules/FindPackageHandleStandardArgs.cmake:315 (_FPHSA_FAILURE_MESSAGE)
   /Applications/CMake 2.8-12.app/Contents/share/cmake-2.8/Modules/FindMPI.cmake:587 (find_package_handle_standard_args)
   CMakeLists.txt:456 (find_package)

Thanks
Lucas

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