mirror of
https://github.com/google/benchmark.git
synced 2024-12-27 13:00:36 +08:00
103 lines
3.1 KiB
CMake
103 lines
3.1 KiB
CMake
cmake_minimum_required (VERSION 2.8)
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project (benchmark)
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# Make sure we can import out CMake functions
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list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
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# We need threads in this project
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find_package(Threads REQUIRED)
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# Import and build Google Test
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include(ExternalProject)
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set_directory_properties(properties EP_PREFIX "${CMAKE_BINARY_DIR}/third_party")
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ExternalProject_Add(googletest
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URL "https://googletest.googlecode.com/files/gtest-1.7.0.zip"
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SOURCE_DIR "${CMAKE_BINARY_DIR}/third_party/gtest"
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CMAKE_ARGS "-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}"
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INSTALL_COMMAND "")
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ExternalProject_Get_Property(googletest source_dir)
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include_directories(${source_dir}/include)
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ExternalProject_Get_Property(googletest binary_dir)
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link_directories(${binary_dir})
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# Set up the compiler flags
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include(CheckCXXCompilerFlag)
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# Enable the latest C++ standard possible
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check_cxx_compiler_flag(--std=c++14 HAVE_FLAG_CXX_14)
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check_cxx_compiler_flag(--std=c++11 HAVE_FLAG_CXX_11)
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check_cxx_compiler_flag(--std=c++0x HAVE_FLAG_CXX_0X)
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if (HAVE_FLAG_CXX_14)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --std=c++14")
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elseif (HAVE_FLAG_CXX_11)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --std=c++11")
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elseif (HAVE_FLAG_CXX_0X)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --std=c++0x")
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endif()
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# Turn compiler warnings up to 11
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check_cxx_compiler_flag(-Wall HAVE_FLAG_WALL)
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if (HAVE_FLAG_WALL)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")
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endif()
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check_cxx_compiler_flag(-Wshadow HAVE_FLAG_WSHADOW)
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if (HAVE_FLAG_WSHADOW)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wshadow")
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endif()
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check_cxx_compiler_flag(-Werror HAVE_FLAG_WERROR)
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if (HAVE_FLAG_WERROR)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror")
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endif()
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check_cxx_compiler_flag(-pedantic-errors HAVE_FLAG_PEDANTIC_ERRORS)
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if (HAVE_FLAG_PEDANTIC_ERRORS)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pedantic-errors")
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endif()
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# Add a debug definition so we can make decisions in the compilation
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set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -DDEBUG")
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# We relax the aliasing in release
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check_cxx_compiler_flag(-fno-strict-aliasing HAVE_FLAG_NO_STRICT_ALIASING)
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if (HAVE_FLAG_NO_STRICT_ALIASING)
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set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -fno-strict-aliasing")
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endif()
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# Set OS
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if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
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add_definitions(-DOS_MACOSX)
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endif()
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if(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
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add_definitions(-DOS_LINUX)
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endif()
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if(${CMAKE_SYSTEM_NAME} MATCHES "Windows")
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add_definitions(-DOS_WINDOWS)
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endif()
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# Set CPU
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if(${CMAKE_SYSTEM_PROCESSOR} MATCHES "x86")
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add_definitions(-DARCH_X86)
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endif()
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# Read the git tags to determine the project version
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include(GetGitVersion)
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get_git_version(GIT_VERSION)
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# Tell the user what versions we are using
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string(REGEX MATCH "[0-9]+\\.[0-9]+\\.[0-9]+" VERSION ${GIT_VERSION})
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message("-- Version: ${VERSION}")
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# The version of the libraries
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set(GENERIC_LIB_VERSION ${VERSION})
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string(SUBSTRING ${VERSION} 0 1 GENERIC_LIB_SOVERSION)
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# Set up directories
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include_directories(${PROJECT_SOURCE_DIR}/include)
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include_directories(${PROJECT_SOURCE_DIR}/src)
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# Build the targets
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enable_testing()
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add_subdirectory(src)
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add_subdirectory(test)
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