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CMakeLists.txt
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cmake_minimum_required(VERSION 3.12)
project(MDArray
VERSION 0.0.1
LANGUAGES CXX
)
################################################################################
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
################################################################################
option(MDARRAY_ENABLE_TESTS "Enable tests." Off)
option(MDARRAY_ENABLE_EXAMPLES "Build examples." Off)
#option(MDARRAY_ENABLE_BENCHMARKS "Enable benchmarks." Off)
#option(MDARRAY_ENABLE_COMP_BENCH "Enable compilation benchmarks." Off)
# Option to override which C++ standard to use
set(MDARRAY_CXX_STANDARD DETECT CACHE STRING "Override the default CXX_STANDARD to compile with.")
set_property(CACHE MDARRAY_CXX_STANDARD PROPERTY STRINGS DETECT 11 14 17 20)
option(MDARRAY_ENABLE_CONCEPTS "Try to enable concepts support by giving extra flags." On)
################################################################################
# Decide on the standard to use
if(MDARRAY_CXX_STANDARD STREQUAL "17")
if("cxx_std_17" IN_LIST CMAKE_CXX_COMPILE_FEATURES)
message(STATUS "Using C++17 standard")
set(CMAKE_CXX_STANDARD 17)
else()
message(FATAL_ERROR "Requested MDARRAY_CXX_STANDARD \"17\" not supported by provided C++ compiler")
endif()
elseif(MDARRAY_CXX_STANDARD STREQUAL "14")
if("cxx_std_14" IN_LIST CMAKE_CXX_COMPILE_FEATURES)
message(STATUS "Using C++14 standard")
set(CMAKE_CXX_STANDARD 14)
else()
message(FATAL_ERROR "Requested MDARRAY_CXX_STANDARD \"14\" not supported by provided C++ compiler")
endif()
elseif(MDARRAY_CXX_STANDARD STREQUAL "11")
message(STATUS "Using C++11 standard")
set(CMAKE_CXX_STANDARD 11)
elseif(MDARRAY_CXX_STANDARD STREQUAL "20")
if("cxx_std_20" IN_LIST CMAKE_CXX_COMPILE_FEATURES)
message(STATUS "Using C++20 standard")
set(CMAKE_CXX_STANDARD 20)
else()
message(FATAL_ERROR "Requested MDARRAY_CXX_STANDARD \"20\" not supported by provided C++ compiler")
endif()
else()
if("cxx_std_20" IN_LIST CMAKE_CXX_COMPILE_FEATURES)
set(CMAKE_CXX_STANDARD 20)
message(STATUS "Detected support for C++20 standard")
elseif("cxx_std_17" IN_LIST CMAKE_CXX_COMPILE_FEATURES)
set(CMAKE_CXX_STANDARD 17)
message(STATUS "Detected support for C++17 standard")
elseif("cxx_std_14" IN_LIST CMAKE_CXX_COMPILE_FEATURES)
set(CMAKE_CXX_STANDARD 14)
message(STATUS "Detected support for C++14 standard")
elseif("cxx_std_11" IN_LIST CMAKE_CXX_COMPILE_FEATURES)
set(CMAKE_CXX_STANDARD 11)
message(STATUS "Newest supported C++ standard detected is C++11.")
else()
message(FATAL_ERROR "Cannot detect CXX_STANDARD of C++11 or newer.")
endif()
endif()
################################################################################
if(MDARRAY_ENABLE_CONCEPTS)
if(CMAKE_CXX_STANDARD STREQUAL "20")
include(CheckCXXCompilerFlag)
CHECK_CXX_COMPILER_FLAG("-fconcepts" COMPILER_SUPPORTS_FCONCEPTS)
if(COMPILER_SUPPORTS_FCONCEPTS)
message(STATUS "Using \"-fconcepts\" to enable concepts support")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fconcepts")
else()
CHECK_CXX_COMPILER_FLAG("-fconcepts-ts" COMPILER_SUPPORTS_FCONCEPTS_TS)
if(COMPILER_SUPPORTS_FCONCEPTS)
message(STATUS "Using \"-fconcepts-ts\" to enable concepts support")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fconcepts-ts")
endif()
endif()
# Otherwise, it's possible that the compiler supports concepts without flags,
# but if it doesn't, they just won't be used, which is fine
endif()
endif()
################################################################################
find_package(mdspan REQUIRED)
if(mdspan_FOUND)
message(STATUS "Found mdspan in ${mdspan_DIR}")
endif()
################################################################################
add_library(mdarray INTERFACE)
add_library(std::mdarray ALIAS mdarray)
target_link_libraries(mdarray INTERFACE std::mdspan)
target_include_directories(mdarray INTERFACE
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
$<INSTALL_INTERFACE:include>
)
################################################################################
install(TARGETS mdarray EXPORT mdarrayTargets
INCLUDES DESTINATION include
)
install(EXPORT mdarrayTargets
FILE mdarrayTargets.cmake
NAMESPACE std::
DESTINATION cmake
)
export(TARGETS mdarray
NAMESPACE std::
FILE mdarrayTargets.cmake
)
install(DIRECTORY include/experimental DESTINATION include)
include(CMakePackageConfigHelpers)
configure_package_config_file(cmake/MDArrayConfig.cmake.in
${CMAKE_CURRENT_BINARY_DIR}/MDArrayConfig.cmake
INSTALL_DESTINATION cmake
)
write_basic_package_version_file(${CMAKE_CURRENT_BINARY_DIR}/MDArrayConfigVersion.cmake
COMPATIBILITY SameMajorVersion
)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/MDArrayConfig.cmake ${CMAKE_CURRENT_BINARY_DIR}/MDArrayConfigVersion.cmake
DESTINATION cmake
)
################################################################################
if(MDARRAY_ENABLE_TESTS)
enable_testing()
add_subdirectory(tests)
add_subdirectory(compilation_tests)
endif()
if(MDARRAY_ENABLE_EXAMPLES)
add_subdirectory(examples)
endif()
#if(MDARRAY_ENABLE_BENCHMARKS)
# add_subdirectory(benchmarks)
#endif()
#if(MDARRAY_ENABLE_COMP_BENCH)
# add_subdirectory(comp_bench)
#endif()