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cmake_minimum_required(VERSION 3.8)
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project(TestFindMPI NONE)
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include(CTest)
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macro(source_code_mapper_helper LANG_NAME)
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if("${LANG_NAME}" STREQUAL "C")
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set(MPITEST_SOURCE_FILE "main.c")
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elseif("${LANG_NAME}" STREQUAL "CXX")
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configure_file("main.c" "main.cxx" COPYONLY)
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set(MPITEST_SOURCE_FILE "main.cxx")
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elseif("${LANG_NAME}" STREQUAL "Fortran")
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set(MPITEST_SOURCE_FILE "main.f90")
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endif()
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endmacro()
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foreach(c C CXX Fortran)
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if("${MPI_TEST_${c}}")
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message("Testing ${c}")
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enable_language(${c})
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endif()
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endforeach()
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set(MPI_CXX_SKIP_MPICXX TRUE)
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set(MPI_CXX_VALIDATE_SKIP_MPICXX TRUE)
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find_package(MPI REQUIRED)
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foreach(c C CXX Fortran)
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if(NOT "${MPI_TEST_${c}}")
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continue()
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endif()
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if(${c} STREQUAL CXX AND MPI_MPICXX_FOUND)
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message(FATAL_ERROR "Could not suppress MPI-2 C++ bindings for this MPI.")
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endif()
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source_code_mapper_helper(${c})
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add_executable(test_tgt_${c} ${MPITEST_SOURCE_FILE})
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target_link_libraries(test_tgt_${c} MPI::MPI_${c})
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add_test(NAME test_tgt_${c} COMMAND test_tgt_${c})
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add_executable(test_var_${c} ${MPITEST_SOURCE_FILE})
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target_include_directories(test_var_${c} PRIVATE "${MPI_${c}_INCLUDE_PATH}")
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target_link_libraries(test_var_${c} PRIVATE "${MPI_${c}_LINK_FLAGS}" "${MPI_${c}_LIBRARIES}")
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set(copied_MPI_${c}_OPTIONS "${MPI_${c}_COMPILE_FLAGS}")
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separate_arguments(copied_MPI_${c}_OPTIONS)
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target_compile_options(test_var_${c} PRIVATE "${copied_MPI_${c}_OPTIONS}")
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add_test(NAME test_var_${c} COMMAND test_var_${c})
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endforeach()
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