mirror of
https://github.com/microsoft/GSL.git
synced 2024-11-03 17:56:43 -05:00
108 lines
3.7 KiB
CMake
108 lines
3.7 KiB
CMake
cmake_minimum_required(VERSION 3.1.3...3.16)
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list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/")
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include(guidelineSupportLibrary)
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project(GSL VERSION 3.1.0 LANGUAGES CXX)
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include(ExternalProject)
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find_package(Git)
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# Use GNUInstallDirs to provide the right locations on all platforms
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include(GNUInstallDirs)
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# Creates a library GSL which is an interface (header files only)
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add_library(GSL INTERFACE)
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# NOTE: If you want to use GSL prefer to link against GSL using this alias target
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# EX:
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# target_link_libraries(foobar PRIVATE Microsoft.GSL::GSL)
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#
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# Add Microsoft.GSL::GSL alias for GSL so that dependents can be agnostic about
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# whether GSL was added via `add_subdirectory` or `find_package`
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add_library(Microsoft.GSL::GSL ALIAS GSL)
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# Determine whether this is a standalone project or included by other projects
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set(GSL_STANDALONE_PROJECT OFF)
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if (CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
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set(GSL_STANDALONE_PROJECT ON)
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endif()
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# This GSL implementation generally assumes a platform that implements C++14 support.
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set(gsl_min_cxx_standard "14")
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if (GSL_STANDALONE_PROJECT)
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gsl_set_default_cxx_standard(${gsl_min_cxx_standard})
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else()
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gsl_client_set_cxx_standard(${gsl_min_cxx_standard})
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endif()
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# add include folders to the library and targets that consume it
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# the SYSTEM keyword suppresses warnings for users of the library
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if(GSL_STANDALONE_PROJECT)
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target_include_directories(GSL INTERFACE
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$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
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$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
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)
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else()
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target_include_directories(GSL SYSTEM INTERFACE
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$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
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$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
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)
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endif()
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if (CMAKE_VERSION VERSION_GREATER 3.7.8)
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if (MSVC_IDE)
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option(GSL_VS_ADD_NATIVE_VISUALIZERS "Configure project to use Visual Studio native visualizers" TRUE)
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else()
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set(GSL_VS_ADD_NATIVE_VISUALIZERS FALSE CACHE INTERNAL "Native visualizers are Visual Studio extension" FORCE)
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endif()
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# add natvis file to the library so it will automatically be loaded into Visual Studio
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if(GSL_VS_ADD_NATIVE_VISUALIZERS)
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target_sources(GSL INTERFACE
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$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/GSL.natvis>
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)
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endif()
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endif()
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install(TARGETS GSL EXPORT Microsoft.GSLConfig)
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install(
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DIRECTORY include/gsl
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DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
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)
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# Make library importable by other projects
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install(EXPORT Microsoft.GSLConfig NAMESPACE Microsoft.GSL:: DESTINATION ${CMAKE_INSTALL_DATADIR}/cmake/Microsoft.GSL)
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export(TARGETS GSL NAMESPACE Microsoft.GSL:: FILE Microsoft.GSLConfig.cmake)
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# Add find_package() versioning support. The version for
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# generated Microsoft.GSLConfigVersion.cmake will be used from
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# last project() command. The version's compatibility is set between all
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# minor versions (as it was in prev. GSL releases).
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include(CMakePackageConfigHelpers)
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if(${CMAKE_VERSION} VERSION_LESS "3.14.0")
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write_basic_package_version_file(
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${CMAKE_CURRENT_BINARY_DIR}/Microsoft.GSLConfigVersion.cmake
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COMPATIBILITY SameMajorVersion
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)
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else()
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write_basic_package_version_file(
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${CMAKE_CURRENT_BINARY_DIR}/Microsoft.GSLConfigVersion.cmake
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COMPATIBILITY SameMajorVersion
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ARCH_INDEPENDENT
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)
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endif()
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install(FILES ${CMAKE_CURRENT_BINARY_DIR}/Microsoft.GSLConfigVersion.cmake DESTINATION ${CMAKE_INSTALL_DATADIR}/cmake/Microsoft.GSL)
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option(GSL_TEST "Generate tests." ${GSL_STANDALONE_PROJECT})
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if (GSL_TEST)
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enable_testing()
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if(IOS)
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add_compile_definitions(
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GTEST_HAS_DEATH_TEST=1
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)
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endif()
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add_subdirectory(tests)
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endif ()
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