| cmake_minimum_required (VERSION 2.8) |
| project (benchmark) |
| |
| option(BENCHMARK_ENABLE_SHARED "Enable building a shared library." OFF) |
| option(BENCHMARK_ENABLE_TESTING "Enable testing of the benchmark library." ON) |
| # Make sure we can import out CMake functions |
| list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake") |
| |
| # Read the git tags to determine the project version |
| include(GetGitVersion) |
| get_git_version(GIT_VERSION) |
| |
| # Tell the user what versions we are using |
| string(REGEX MATCH "[0-9]+\\.[0-9]+\\.[0-9]+" VERSION ${GIT_VERSION}) |
| message("-- Version: ${VERSION}") |
| |
| # The version of the libraries |
| set(GENERIC_LIB_VERSION ${VERSION}) |
| string(SUBSTRING ${VERSION} 0 1 GENERIC_LIB_SOVERSION) |
| |
| # Try and enable C++11. Don't use C++14 because it doesn't work in some |
| # configurations. |
| include(CheckCXXCompilerFlag) |
| include(AddCXXCompilerFlag) |
| include(CXXFeatureCheck) |
| |
| check_cxx_compiler_flag(-std=c++11 HAVE_FLAG_CXX_11) |
| check_cxx_compiler_flag(-std=c++0x HAVE_FLAG_CXX_0X) |
| if (HAVE_FLAG_CXX_11) |
| set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11") |
| elseif (HAVE_FLAG_CXX_0X) |
| set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x") |
| endif() |
| |
| # Turn compiler warnings up to 11 |
| add_cxx_compiler_flag(-Wall) |
| add_cxx_compiler_flag(-Wextra) |
| add_cxx_compiler_flag(-Wshadow) |
| add_cxx_compiler_flag(-Werror) |
| add_cxx_compiler_flag(-pedantic-errors) |
| add_cxx_compiler_flag(-Wshorten-64-to-32) |
| add_cxx_compiler_flag(-Wfloat-equal) |
| add_cxx_compiler_flag(-Wzero-as-null-pointer-constant) |
| # Release flags |
| add_cxx_compiler_flag(-fno-strict-aliasing RELEASE) |
| |
| add_cxx_compiler_flag(-Wthread-safety) |
| if (HAVE_WTHREAD_SAFETY) |
| add_definitions(-DHAVE_WTHREAD_SAFETY) |
| cxx_feature_check(THREAD_SAFETY_ATTRIBUTES) |
| endif() |
| |
| # C++ feature checks |
| cxx_feature_check(STD_REGEX) |
| cxx_feature_check(GNU_POSIX_REGEX) |
| cxx_feature_check(POSIX_REGEX) |
| |
| # Set up directories |
| include_directories(${PROJECT_SOURCE_DIR}/include) |
| |
| # Build the targets |
| add_subdirectory(src) |
| |
| if (BENCHMARK_ENABLE_TESTING) |
| enable_testing() |
| add_subdirectory(test) |
| endif() |