iw6-mod/deps/GSL/CMakeLists.txt

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2024-02-27 01:34:37 -05:00
cmake_minimum_required(VERSION 3.14...3.16)
project(GSL VERSION 4.0.0 LANGUAGES CXX)
add_library(GSL INTERFACE)
add_library(Microsoft.GSL::GSL ALIAS GSL)
# https://cmake.org/cmake/help/latest/variable/PROJECT_IS_TOP_LEVEL.html
string(COMPARE EQUAL ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_SOURCE_DIR} PROJECT_IS_TOP_LEVEL)
option(GSL_INSTALL "Generate and install GSL target" ${PROJECT_IS_TOP_LEVEL})
option(GSL_TEST "Build and perform GSL tests" ${PROJECT_IS_TOP_LEVEL})
# The implementation generally assumes a platform that implements C++14 support
target_compile_features(GSL INTERFACE "cxx_std_14")
# Setup include directory
add_subdirectory(include)
target_sources(GSL INTERFACE $<BUILD_INTERFACE:${GSL_SOURCE_DIR}/GSL.natvis>)
if (GSL_TEST)
enable_testing()
add_subdirectory(tests)
endif()
if (GSL_INSTALL)
include(GNUInstallDirs)
include(CMakePackageConfigHelpers)
install(DIRECTORY "${PROJECT_SOURCE_DIR}/include/gsl" DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
set(export_name "Microsoft.GSLConfig")
set(namespace "Microsoft.GSL::")
set(cmake_files_install_dir ${CMAKE_INSTALL_DATADIR}/cmake/Microsoft.GSL)
install(TARGETS GSL EXPORT ${export_name} INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
install(EXPORT ${export_name} NAMESPACE ${namespace} DESTINATION ${cmake_files_install_dir})
export(TARGETS GSL NAMESPACE ${namespace} FILE ${export_name}.cmake)
set(gls_config_version "${CMAKE_CURRENT_BINARY_DIR}/Microsoft.GSLConfigVersion.cmake")
write_basic_package_version_file(${gls_config_version} COMPATIBILITY SameMajorVersion ARCH_INDEPENDENT)
install(FILES ${gls_config_version} DESTINATION ${cmake_files_install_dir})
install(FILES GSL.natvis DESTINATION ${cmake_files_install_dir})
endif()