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[cmake] Adding options for INSTALL and TEST (#964)
* [cmake] Adding GSL_INSTALL option Not all consumers of GSL automatically want to have this install logic. It's good practice to gate install logic behind an option. For an example look at magic_enum: https://github.com/Neargye/magic_enum/blob/master/CMakeLists.txt If the client wants to install GSL they still can. But they should ask for it by overriding GSL_INSTALL. * Update cmake/guidelineSupportLibrary.cmake added nl@eof * Update CMakeLists.txt * Update CMakeLists.txt Co-authored-by: Juan Ramos <juanr0911@gmail.com> Co-authored-by: Jordan Maples [MSFT] <49793787+JordanMaples@users.noreply.github.com>
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@ -3,10 +3,10 @@ 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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# Use GNUInstallDirs to provide the right locations on all platforms
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include(GNUInstallDirs)
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project(GSL
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VERSION 3.1.0
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LANGUAGES CXX
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)
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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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@ -25,6 +25,10 @@ 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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### Project options
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option(GSL_INSTALL "Generate and install GSL target" ${GSL_STANDALONE_PROJECT})
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option(GSL_TEST "Build and perform GSL tests" ${GSL_STANDALONE_PROJECT})
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# This GSL implementation generally assumes a platform that implements C++14 support.
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set(gsl_min_cxx_standard "14")
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@ -34,58 +38,21 @@ else()
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gsl_client_set_cxx_standard(${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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# Setup the include directory
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gsl_target_include_directories(${GSL_STANDALONE_PROJECT})
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# Add natvis file
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gsl_add_native_visualizer_support()
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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 ${CMAKE_INSTALL_DATADIR}/cmake/Microsoft.GSL)
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export(TARGETS GSL NAMESPACE Microsoft.GSL:: FILE Microsoft.GSLConfig.cmake)
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# Add packaging support
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gsl_create_packaging_file()
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# Add find_package() versioning support. The version for
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# generated Microsoft.GSLConfigVersion.cmake will be used from
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# last project() command. The version's compatibility is set between all
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# minor versions (as it was in prev. GSL releases).
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include(CMakePackageConfigHelpers)
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if(${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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if (GSL_INSTALL)
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# Setup install/export logic
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gsl_install_logic()
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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." ${GSL_STANDALONE_PROJECT})
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if (GSL_TEST)
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enable_testing()
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if(IOS)
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add_compile_definitions(
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GTEST_HAS_DEATH_TEST=1
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)
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endif()
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add_subdirectory(tests)
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endif()
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@ -9,6 +9,9 @@ if (DEFINED guideline_support_library_include_guard)
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endif()
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set(guideline_support_library_include_guard ON)
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# Neccessary for 'write_basic_package_version_file'
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include(CMakePackageConfigHelpers)
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function(gsl_set_default_cxx_standard min_cxx_standard)
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set(GSL_CXX_STANDARD "${min_cxx_standard}" CACHE STRING "Use c++ standard")
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@ -75,3 +78,55 @@ function(gsl_add_native_visualizer_support)
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endif()
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endif()
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endfunction()
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function(gsl_target_include_directories is_standalone)
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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(${is_standalone})
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target_include_directories(GSL INTERFACE
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$<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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endfunction()
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function(gsl_install_logic)
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# Use GNUInstallDirs to provide the right locations on all platforms
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# NOTE: Including GNUInstallDirs automatically executes logic
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include(GNUInstallDirs)
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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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install(FILES ${CMAKE_CURRENT_BINARY_DIR}/Microsoft.GSLConfigVersion.cmake DESTINATION ${CMAKE_INSTALL_DATADIR}/cmake/Microsoft.GSL)
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endfunction()
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# Add find_package() versioning support. The version for
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# generated Microsoft.GSLConfigVersion.cmake will be used from
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# last project() command. The version's compatibility is set between all
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# minor versions (as it was in prev. GSL releases).
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function(gsl_create_packaging_file)
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if(${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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endfunction()
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@ -10,6 +10,10 @@ find_package(Git REQUIRED QUIET)
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# will make visual studio generated project group files
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set_property(GLOBAL PROPERTY USE_FOLDERS ON)
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if(IOS)
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add_compile_definitions(GTEST_HAS_DEATH_TEST=1)
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endif()
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pkg_search_module(GTestMain gtest_main)
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if (NOT GTestMain_FOUND)
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configure_file(CMakeLists.txt.in googletest-download/CMakeLists.txt)
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