external: import cpu_features library
Taken from https://github.com/google/cpu_features at revision 26133d3b620c2c27f31d571efd27371100f891e9
This commit is contained in:
Simon Fels
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165
external/cpu_features/CMakeLists.txt
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165
external/cpu_features/CMakeLists.txt
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cmake_minimum_required(VERSION 3.0)
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project(CpuFeatures VERSION 0.1.0)
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# Default Build Type to be Release
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if(NOT CMAKE_BUILD_TYPE)
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set(CMAKE_BUILD_TYPE "Release" CACHE STRING
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"Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel."
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FORCE)
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endif(NOT CMAKE_BUILD_TYPE)
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# BUILD_TESTING is a standard CMake variable, but we declare it here to make it
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# prominent in the GUI.
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option(BUILD_TESTING "Enable test (depends on googletest)." OFF)
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# BUILD_SHARED_LIBS is a standard CMake variable, but we declare it here to make
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# it prominent in the GUI.
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option(BUILD_SHARED_LIBS "Build library as shared." OFF)
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#
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# library : cpu_features
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#
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set(_HDRS
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include/cpuinfo_aarch64.h
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include/cpuinfo_arm.h
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include/cpuinfo_mips.h
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include/cpuinfo_ppc.h
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include/cpuinfo_x86.h
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include/cpu_features_macros.h
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)
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add_library(cpu_features
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${_HDRS}
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include/internal/bit_utils.h
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include/internal/linux_features_aggregator.h
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include/internal/cpuid_x86.h
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include/internal/filesystem.h
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include/internal/hwcaps.h
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include/internal/stack_line_reader.h
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include/internal/string_view.h
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include/cpu_features_macros.h
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src/linux_features_aggregator.c
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src/cpuid_x86_clang_gcc.c
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src/cpuid_x86_msvc.c
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src/cpuinfo_aarch64.c
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src/cpuinfo_arm.c
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src/cpuinfo_mips.c
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src/cpuinfo_ppc.c
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src/cpuinfo_x86.c
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src/filesystem.c
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src/hwcaps.c
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src/stack_line_reader.c
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src/string_view.c
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)
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target_include_directories(cpu_features
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PUBLIC
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$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>
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$<INSTALL_INTERFACE:include/cpu_features>
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PRIVATE
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include/internal
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)
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set_target_properties(cpu_features PROPERTIES PUBLIC_HEADER "${_HDRS}")
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target_compile_definitions(cpu_features
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PUBLIC STACK_LINE_READER_BUFFER_SIZE=1024)
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target_link_libraries(cpu_features PUBLIC ${CMAKE_DL_LIBS})
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# The use of shared libraries is discouraged.
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# For API / ABI compatibility reasons, it is recommended to build and use
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# cpu_features in a subdirectory of your project or as an embedded dependency.
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if(BUILD_SHARED_LIBS)
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set_property(TARGET cpu_features PROPERTY POSITION_INDEPENDENT_CODE ON)
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endif()
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add_library(CpuFeature::cpu_features ALIAS cpu_features)
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#
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# program : list_cpu_features
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#
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add_executable(list_cpu_features src/utils/list_cpu_features.c)
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target_link_libraries(list_cpu_features PRIVATE cpu_features)
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add_executable(CpuFeature::list_cpu_features ALIAS list_cpu_features)
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#
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# tests
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#
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include(CTest)
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if(BUILD_TESTING)
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# Automatically incorporate googletest into the CMake Project if target not
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# found.
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if(NOT TARGET gtest OR NOT TARGET gmock_main)
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# Download and unpack googletest at configure time.
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configure_file(
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cmake/googletest.CMakeLists.txt.in
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googletest-download/CMakeLists.txt
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)
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execute_process(
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COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" .
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RESULT_VARIABLE result
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WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/googletest-download)
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if(result)
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message(FATAL_ERROR "CMake step for googletest failed: ${result}")
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endif()
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execute_process(
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COMMAND ${CMAKE_COMMAND} --build .
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RESULT_VARIABLE result
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WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/googletest-download)
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if(result)
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message(FATAL_ERROR "Build step for googletest failed: ${result}")
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endif()
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# Prevent overriding the parent project's compiler/linker settings on
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# Windows.
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set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
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# Add googletest directly to our build. This defines the gtest and
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# gtest_main targets.
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add_subdirectory(${CMAKE_BINARY_DIR}/googletest-src
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${CMAKE_BINARY_DIR}/googletest-build
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EXCLUDE_FROM_ALL)
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endif()
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add_subdirectory(test)
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endif()
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#
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# Install
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#
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include(GNUInstallDirs)
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install(TARGETS cpu_features list_cpu_features
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EXPORT CpuFeaturesTargets
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PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/cpu_features
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ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
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LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
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RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
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)
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install(EXPORT CpuFeaturesTargets
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NAMESPACE CpuFeatures::
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DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/CpuFeatures
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COMPONENT Devel
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)
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include(CMakePackageConfigHelpers)
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configure_package_config_file(cmake/CpuFeaturesConfig.cmake.in
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"${PROJECT_BINARY_DIR}/CpuFeaturesConfig.cmake"
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INSTALL_DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/CpuFeatures"
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NO_SET_AND_CHECK_MACRO
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NO_CHECK_REQUIRED_COMPONENTS_MACRO
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)
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write_basic_package_version_file(
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"${PROJECT_BINARY_DIR}/CpuFeaturesConfigVersion.cmake"
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COMPATIBILITY SameMajorVersion
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)
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install(
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FILES
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"${PROJECT_BINARY_DIR}/CpuFeaturesConfig.cmake"
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"${PROJECT_BINARY_DIR}/CpuFeaturesConfigVersion.cmake"
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DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/CpuFeatures"
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COMPONENT Devel
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)
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