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benchmark/CMakeLists.txt

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CMake
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Initial commit Benchmark library builds and runs but only single-threaded. Multithreaded support needs a bit more love. Currently requires some C++11 support (g++ 4.6.3 seems to work).
2013-12-19 00:55:45 +00:00
cmake_minimum_required (VERSION 2.8)
project (benchmark)
get_git_version CMake function
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# Make sure we can import out CMake functions
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
CMakeLists.txt comments
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# Resolve dependent packages
Thread is required
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find_package(Threads REQUIRED)
Initial commit Benchmark library builds and runs but only single-threaded. Multithreaded support needs a bit more love. Currently requires some C++11 support (g++ 4.6.3 seems to work).
2013-12-19 00:55:45 +00:00
Add ExternalProject reference to Google Test 1.7.0.
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# Import and build Google Test
include(ExternalProject)
set_directory_properties(properties EP_PREFIX "${CMAKE_BINARY_DIR}/third_party")
ExternalProject_Add(googletest
Consistent indentation in CMakeLists.txt
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URL "https://googletest.googlecode.com/files/gtest-1.7.0.zip"
URL_MD5 2d6ec8ccdf5c46b05ba54a9fd1d130d7
SOURCE_DIR "${CMAKE_BINARY_DIR}/third_party/gtest"
CMAKE_ARGS "-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}"
INSTALL_COMMAND "")
Add ExternalProject reference to Google Test 1.7.0.
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ExternalProject_Get_Property(googletest source_dir)
include_directories(${source_dir}/include)
ExternalProject_Get_Property(googletest binary_dir)
link_directories(${binary_dir})
Detect compiler flags and append to default CMake flags
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# Enable the latest C++ standard possible
CMake function for adding compiler flags
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include(CheckCXXCompilerFlag)
Detect compiler flags and append to default CMake flags
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check_cxx_compiler_flag(--std=c++14 HAVE_FLAG_CXX_14)
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_14)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --std=c++14")
elseif (HAVE_FLAG_CXX_11)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --std=c++11")
elseif (HAVE_FLAG_CXX_0X)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --std=c++0x")
endif()
# Turn compiler warnings up to 11
CMake function for adding compiler flags
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include(AddCXXCompilerFlag)
add_cxx_compiler_flag(-Wall)
add_cxx_compiler_flag(-Wshadow)
add_cxx_compiler_flag(-Werror)
add_cxx_compiler_flag(-pedantic-errors)
# Release flags
add_cxx_compiler_flag(-fno-strict-aliasing RELEASE)
Detect compiler flags and append to default CMake flags
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# Add a debug definition so we can make decisions in the compilation
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -DDEBUG")
Initial commit Benchmark library builds and runs but only single-threaded. Multithreaded support needs a bit more love. Currently requires some C++11 support (g++ 4.6.3 seems to work).
2013-12-19 00:55:45 +00:00
# Set OS
if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
Consistent indentation in CMakeLists.txt
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add_definitions(-DOS_MACOSX)
Initial commit Benchmark library builds and runs but only single-threaded. Multithreaded support needs a bit more love. Currently requires some C++11 support (g++ 4.6.3 seems to work).
2013-12-19 00:55:45 +00:00
endif()
if(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
Consistent indentation in CMakeLists.txt
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add_definitions(-DOS_LINUX)
Initial commit Benchmark library builds and runs but only single-threaded. Multithreaded support needs a bit more love. Currently requires some C++11 support (g++ 4.6.3 seems to work).
2013-12-19 00:55:45 +00:00
endif()
if(${CMAKE_SYSTEM_NAME} MATCHES "Windows")
Consistent indentation in CMakeLists.txt
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add_definitions(-DOS_WINDOWS)
Initial commit Benchmark library builds and runs but only single-threaded. Multithreaded support needs a bit more love. Currently requires some C++11 support (g++ 4.6.3 seems to work).
2013-12-19 00:55:45 +00:00
endif()
# Set CPU
if(${CMAKE_SYSTEM_PROCESSOR} MATCHES "x86")
Consistent indentation in CMakeLists.txt
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add_definitions(-DARCH_X86)
Initial commit Benchmark library builds and runs but only single-threaded. Multithreaded support needs a bit more love. Currently requires some C++11 support (g++ 4.6.3 seems to work).
2013-12-19 00:55:45 +00:00
endif()
Implemented git versioning This patch automatically versions the shared libraries from any annotated `git` tags: ``` git tag -a v1.0.0 ``` It expects semver version tags such as `v1.0.0`. It would be trivial to support `1.0.0` but looking around it seems that most C/C++ projects follow `vX.X.X` rather that `X.X.X` like a lot of `Node.js` stuff. This determines that the if the project has had a certain amount of commits since the last tag and also if the project is _dirty_ (has modified files), but does __nothing__ with that information. In the future a more robust release could be implemented in the script. This is pretty brittle and has little in the way of configuration. Ideally we should use `find_program` to work out where `git` is so that users can configure it. This implementation assumes that `git` will be available in `PATH` Outputs the following on the command line: ``` -- git Version: v[MAJOR].[MINOR].[PATCH]-[COMMITS_SINCE_TAG]-[SHA1](-dirty)? -- Version: [MAJOR].[MINOR].[PATCH] ```
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# Read the git tags to determine the project version
get_git_version CMake function
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include(GetGitVersion)
get_git_version(GIT_VERSION)
Implemented git versioning This patch automatically versions the shared libraries from any annotated `git` tags: ``` git tag -a v1.0.0 ``` It expects semver version tags such as `v1.0.0`. It would be trivial to support `1.0.0` but looking around it seems that most C/C++ projects follow `vX.X.X` rather that `X.X.X` like a lot of `Node.js` stuff. This determines that the if the project has had a certain amount of commits since the last tag and also if the project is _dirty_ (has modified files), but does __nothing__ with that information. In the future a more robust release could be implemented in the script. This is pretty brittle and has little in the way of configuration. Ideally we should use `find_program` to work out where `git` is so that users can configure it. This implementation assumes that `git` will be available in `PATH` Outputs the following on the command line: ``` -- git Version: v[MAJOR].[MINOR].[PATCH]-[COMMITS_SINCE_TAG]-[SHA1](-dirty)? -- Version: [MAJOR].[MINOR].[PATCH] ```
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# Tell the user what versions we are using
string(REGEX MATCH "[0-9]+\\.[0-9]+\\.[0-9]+" VERSION ${GIT_VERSION})
message("-- Version: ${VERSION}")
Allow shared libraries with BUILD_SHARED_LIBS
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# The version of the libraries
Implemented git versioning This patch automatically versions the shared libraries from any annotated `git` tags: ``` git tag -a v1.0.0 ``` It expects semver version tags such as `v1.0.0`. It would be trivial to support `1.0.0` but looking around it seems that most C/C++ projects follow `vX.X.X` rather that `X.X.X` like a lot of `Node.js` stuff. This determines that the if the project has had a certain amount of commits since the last tag and also if the project is _dirty_ (has modified files), but does __nothing__ with that information. In the future a more robust release could be implemented in the script. This is pretty brittle and has little in the way of configuration. Ideally we should use `find_program` to work out where `git` is so that users can configure it. This implementation assumes that `git` will be available in `PATH` Outputs the following on the command line: ``` -- git Version: v[MAJOR].[MINOR].[PATCH]-[COMMITS_SINCE_TAG]-[SHA1](-dirty)? -- Version: [MAJOR].[MINOR].[PATCH] ```
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set(GENERIC_LIB_VERSION ${VERSION})
string(SUBSTRING ${VERSION} 0 1 GENERIC_LIB_SOVERSION)
Allow shared libraries with BUILD_SHARED_LIBS
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Resolve regular expression engines
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# C++ feature checks
include(CXXFeatureCheck)
cxx_feature_check(STD_REGEX)
cxx_feature_check(GNU_POSIX_REGEX)
cxx_feature_check(POSIX_REGEX)
Initial commit Benchmark library builds and runs but only single-threaded. Multithreaded support needs a bit more love. Currently requires some C++11 support (g++ 4.6.3 seems to work).
2013-12-19 00:55:45 +00:00
# Set up directories
include_directories(${PROJECT_SOURCE_DIR}/include)
include_directories(${PROJECT_SOURCE_DIR}/src)
# Build the targets
Setup targets from each directory, rather than the top-level.
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enable_testing()
add_subdirectory(src)
add_subdirectory(test)