The only exception to that (which I am aware of) is if you are on a CRAY system where the MPI (and BLAS and LAPACK) are baked into the compiler wrappers (cc, ftn, etc). In those situations, you actually do not want to run find_package(MPI) or it will throw errors.
Tim ----- Original Message ----- From: "Andreas Naumann" <andreas-naum...@gmx.net> To: cmake@cmake.org Sent: Tuesday, September 8, 2015 8:07:38 AM Subject: Re: [CMake] CMake + MPI Hi Nico, I just use find_package(MPI REQUIRED) and use the given MPI_CXX_LIBRARIES and MPI_CXX_INCLUDE_PATH. Recent mpi wrappers should support support interspection. Regards, Andreas Am 08.09.2015 um 13:01 schrieb Nico Schlömer: > Hi everyone, > > When it comes to compiling and linking, the MPI world is quite a mess. > Sometimes, vendors make you link and include certain > libraries/directories, sometimes you are supposed to simply use a > compiler wrapper, often both. > > What's the recommended way of dealing with MPI in CMake? Do you > `find_package(MPI REQUIRED)` and set LINK_LIBRARIES and INCLUDE_DIRS? > Do you select a compiler wrapper from within the CMake file? From outside? > > Cheers, > Nico > > -- Powered by www.kitware.com Please keep messages on-topic and check the CMake FAQ at: http://www.cmake.org/Wiki/CMake_FAQ Kitware offers various services to support the CMake community. For more information on each offering, please visit: CMake Support: http://cmake.org/cmake/help/support.html CMake Consulting: http://cmake.org/cmake/help/consulting.html CMake Training Courses: http://cmake.org/cmake/help/training.html Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html Follow this link to subscribe/unsubscribe: http://public.kitware.com/mailman/listinfo/cmake -- Powered by www.kitware.com Please keep messages on-topic and check the CMake FAQ at: http://www.cmake.org/Wiki/CMake_FAQ Kitware offers various services to support the CMake community. For more information on each offering, please visit: CMake Support: http://cmake.org/cmake/help/support.html CMake Consulting: http://cmake.org/cmake/help/consulting.html CMake Training Courses: http://cmake.org/cmake/help/training.html Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html Follow this link to subscribe/unsubscribe: http://public.kitware.com/mailman/listinfo/cmake
