mpi4cpp/CMakeLists.txt at master · hel-astro-lab/mpi4cpp · GitHub

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# Copyright 2018 - 2026, Joonas Nättilä and the hel-astro-lab contributors
# SPDX-License-Identifier: Apache-2.0

cmake_minimum_required (VERSION 3.23)

if(NOT DEFINED CMAKE_CXX_STANDARD)
    set (CMAKE_CXX_STANDARD 17)
    set (CMAKE_CXX_STANDARD_REQUIRED ON)
endif()

set (CMAKE_CXX_EXTENSIONS OFF)

project (
    mpi4cpp
    VERSION 0.1.0
    DESCRIPTION "C++ MPI wrapper library."
    HOMEPAGE_URL "https://github.com/hel-astro-lab"
    LANGUAGES CXX
)

add_library (mpi4cpp INTERFACE)

target_sources (
    mpi4cpp
    INTERFACE FILE_SET
              all_mpi4cpp_headers
              TYPE
              HEADERS
              BASE_DIRS
              ./include/
              FILES
              ./include/mpi4cpp/communicator.h
              ./include/mpi4cpp/communicator_impl.h
              ./include/mpi4cpp/datatype_fwd.h
              ./include/mpi4cpp/datatype.h
              ./include/mpi4cpp/environment.h
              ./include/mpi4cpp/environment_impl.h
              ./include/mpi4cpp/exception.h
              ./include/mpi4cpp/mpi.h
              ./include/mpi4cpp/nonblocking.h
              ./include/mpi4cpp/nonblocking_impl.h
              ./include/mpi4cpp/point2point_impl.h
              ./include/mpi4cpp/request.h
              ./include/mpi4cpp/request_impl.h
              ./include/mpi4cpp/status.h
              ./include/mpi4cpp/status_impl.h
              ./include/mpi4cpp/detail/mpi_datatype_cache.h
              ./include/mpi4cpp/detail/mpi_datatype_cache_impl.h
              ./include/mpi4cpp/detail/mpl.h
)

# Use phony target for handling targets.
add_library (mpi4cpp_warnings INTERFACE)
target_compile_options (mpi4cpp_warnings
    INTERFACE
    $<$<CXX_COMPILER_ID:GNU>:-Wall -Wextra -Wpedantic>
    $<$<CXX_COMPILER_ID:Clang>:-Wall -Wextra -Wpedantic -Wno-missing-braces>
)

find_package (MPI)

target_link_libraries (mpi4cpp INTERFACE MPI::MPI_CXX mpi4cpp_warnings)

if (PROJECT_IS_TOP_LEVEL)
    # Declares BUILD_TESTING option (default: ON).
    include(CTest)
    if (BUILD_TESTING)
        message (STATUS "Enabling tests...")
        add_subdirectory (test)
    endif ()
endif ()