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cmake_minimum_required(VERSION 3.10)
project(TestFindMPI NONE)
include(CTest)
macro(source_code_mapper_helper LANG_NAME)
if("${LANG_NAME}" STREQUAL "C")
set(MPITEST_SOURCE_FILE "main.c")
elseif("${LANG_NAME}" STREQUAL "CXX")
configure_file("main.c" "main.cxx" COPYONLY)
set(MPITEST_SOURCE_FILE "main.cxx")
elseif("${LANG_NAME}" STREQUAL "Fortran")
set(MPITEST_SOURCE_FILE "main.f90")
endif()
endmacro()
foreach(c C CXX Fortran)
if("${MPI_TEST_${c}}")
message("Testing ${c}")
enable_language(${c})
endif()
endforeach()
set(MPI_CXX_SKIP_MPICXX TRUE)
set(MPI_CXX_VALIDATE_SKIP_MPICXX TRUE)
find_package(MPI REQUIRED)
foreach(c C CXX Fortran)
if(NOT "${MPI_TEST_${c}}")
continue()
endif()
if(${c} STREQUAL CXX AND MPI_MPICXX_FOUND)
message(FATAL_ERROR "Could not suppress MPI-2 C++ bindings for this MPI.")
endif()
source_code_mapper_helper(${c})
add_executable(test_tgt_${c} ${MPITEST_SOURCE_FILE})
target_link_libraries(test_tgt_${c} MPI::MPI_${c})
add_test(NAME test_tgt_${c} COMMAND test_tgt_${c})
add_executable(test_var_${c} ${MPITEST_SOURCE_FILE})
target_include_directories(test_var_${c} PRIVATE "${MPI_${c}_INCLUDE_PATH}")
target_link_libraries(test_var_${c} PRIVATE "${MPI_${c}_LINK_FLAGS}" "${MPI_${c}_LIBRARIES}")
set(copied_MPI_${c}_OPTIONS "${MPI_${c}_COMPILE_FLAGS}")
separate_arguments(copied_MPI_${c}_OPTIONS)
target_compile_options(test_var_${c} PRIVATE "${copied_MPI_${c}_OPTIONS}")
add_test(NAME test_var_${c} COMMAND test_var_${c})
endforeach()
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