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CMakeLists.txt
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CMakeLists.txt
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################################################## Project ##################################################
cmake_minimum_required(VERSION 3.10 FATAL_ERROR)
project (mpi VERSION 1.0 LANGUAGES C CXX)
list (APPEND CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)
set_property (GLOBAL PROPERTY USE_FOLDERS ON)
set (CMAKE_CXX_STANDARD 20)
include (set_max_warning_level)
set_max_warning_level ()
################################################## Options ##################################################
option(MPI_BUILD_TESTS "Build tests." OFF)
option(MPI_USE_EXCEPTIONS "Use exceptions." OFF)
option(MPI_USE_RELAXED_TRAITS "Use relaxed traits." OFF)
option(MPI_USE_UNSUPPORTED "Use features that are within the standard but currently not supported by major implementations (e.g. MPI_T_BIND_MPI_SESSION)." OFF)
if (MPI_USE_EXCEPTIONS)
list(APPEND PROJECT_COMPILE_DEFINITIONS -DMPI_USE_EXCEPTIONS)
endif ()
if (MPI_USE_RELAXED_TRAITS)
list(APPEND PROJECT_COMPILE_DEFINITIONS -DMPI_USE_RELAXED_TRAITS)
endif ()
if (MPI_USE_UNSUPPORTED)
list(APPEND PROJECT_COMPILE_DEFINITIONS -DMPI_USE_UNSUPPORTED)
endif ()
################################################## Sources ##################################################
file(GLOB_RECURSE PROJECT_HEADERS include/*.h include/*.hpp)
file(GLOB_RECURSE PROJECT_CMAKE_UTILS cmake/*.cmake)
file(GLOB_RECURSE PROJECT_MISC *.md *.txt)
set (PROJECT_FILES
${PROJECT_HEADERS}
${PROJECT_CMAKE_UTILS}
${PROJECT_MISC})
include (assign_source_group)
assign_source_group(${PROJECT_FILES})
################################################## Dependencies ##################################################
find_package(MPI REQUIRED COMPONENTS C)
list (APPEND PROJECT_LIBRARIES MPI::MPI_C)
################################################## Targets ##################################################
add_library(${PROJECT_NAME} INTERFACE)
target_include_directories(${PROJECT_NAME} INTERFACE
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
$<INSTALL_INTERFACE:include>
)
target_include_directories(${PROJECT_NAME} INTERFACE ${PROJECT_INCLUDE_DIRS})
target_link_libraries (${PROJECT_NAME} INTERFACE ${PROJECT_LIBRARIES})
target_compile_definitions(${PROJECT_NAME} INTERFACE ${PROJECT_COMPILE_DEFINITIONS})
# Hack for header-only project to appear in the IDEs.
add_library(${PROJECT_NAME}_ STATIC ${PROJECT_FILES})
target_include_directories(${PROJECT_NAME}_ PUBLIC
${CMAKE_CURRENT_SOURCE_DIR}/include
)
target_include_directories(${PROJECT_NAME}_ PUBLIC ${PROJECT_INCLUDE_DIRS})
target_link_libraries (${PROJECT_NAME}_ PUBLIC ${PROJECT_LIBRARIES})
target_compile_definitions(${PROJECT_NAME}_ PUBLIC ${PROJECT_COMPILE_DEFINITIONS})
set_target_properties (${PROJECT_NAME}_ PROPERTIES LINKER_LANGUAGE CXX)
################################################## Testing ##################################################
if(MPI_BUILD_TESTS)
enable_testing ()
set (TEST_MAIN_NAME test_main)
set (TEST_MAIN_SOURCES tests/internal/main.cpp)
add_library (${TEST_MAIN_NAME} OBJECT ${TEST_MAIN_SOURCES})
set_property (TARGET ${TEST_MAIN_NAME} PROPERTY FOLDER tests)
assign_source_group(${TEST_MAIN_SOURCES})
file(GLOB PROJECT_TEST_CPPS tests/*.cpp)
foreach(_SOURCE ${PROJECT_TEST_CPPS})
get_filename_component(_NAME ${_SOURCE} NAME_WE)
add_executable (${_NAME} ${_SOURCE} $<TARGET_OBJECTS:${TEST_MAIN_NAME}>)
target_link_libraries (${_NAME} ${PROJECT_NAME})
add_test (${_NAME} ${_NAME})
set_property (TARGET ${_NAME} PROPERTY FOLDER tests)
assign_source_group (${_SOURCE})
endforeach()
endif()
################################################## Installation ##################################################
install(TARGETS ${PROJECT_NAME} EXPORT ${PROJECT_NAME}-config)
install(DIRECTORY include/ DESTINATION include)
install(EXPORT ${PROJECT_NAME}-config DESTINATION cmake)
export (TARGETS ${PROJECT_NAME} FILE ${PROJECT_NAME}-config.cmake)