CMakeLists.txt - platform/external/google-fruit - Git at Google

 project(Fruit)
 cmake_minimum_required(VERSION 2.8)

 if (POLICY CMP0054)
     cmake_policy(SET CMP0054 NEW)
 endif()

 # CMake on OSX likes to see this set explicitly, otherwise it outputs a warning.
 set(CMAKE_MACOSX_RPATH 1)

 if(NOT "${CMAKE_BUILD_TYPE}" MATCHES "^(Debug|Release|RelWithDebInfo|MinSizeRel)$")
   message(FATAL_ERROR "Please re-run CMake, specifying -DCMAKE_BUILD_TYPE=Debug , -DCMAKE_BUILD_TYPE=Release , -DCMAKE_BUILD_TYPE=RelWithDebInfo or -DCMAKE_BUILD_TYPE=MinSizeRel .")
 endif()

 option(BUILD_SHARED_LIBS "Build shared library" ON)

 # The Visual Studio CMake generators default to multiple configurations, but Fruit doesn't support multi-configuration build directories.
 set(CMAKE_CONFIGURATION_TYPES "${CMAKE_BUILD_TYPE}")

 if(NOT "${RUNTIME_OUTPUT_DIRECTORY}")
   set(RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}")
 endif()

 set(FRUIT_ADDITIONAL_CXX_FLAGS "" CACHE STRING "Additional CXX compiler flags." FORCE)

 set(FRUIT_ADDITIONAL_COMPILE_FLAGS "${FRUIT_ADDITIONAL_CXX_FLAGS}")

 if(NOT "${CMAKE_CXX_COMPILER_ID}" MATCHES "^(GNU|Clang|AppleClang|MSVC)$")
   message(WARNING "Compiler not officially supported: ${CMAKE_CXX_COMPILER_ID}")
   # Full list of possible values at https://cmake.org/cmake/help/latest/variable/CMAKE_LANG_COMPILER_ID.html .
   # Major compilers not currently supported:
   # * "Intel": not supported ATM due to compiler bugs:
   #   - https://software.intel.com/en-us/forums/intel-c-compiler/topic/606048
   #   - https://software.intel.com/en-us/forums/intel-c-compiler/topic/606049
 endif()

 if("${CMAKE_CXX_COMPILER_ID}" MATCHES "^(GNU|Clang|Intel|AppleClang)$")
   set(FRUIT_ADDITIONAL_COMPILE_FLAGS "${FRUIT_ADDITIONAL_COMPILE_FLAGS} -std=c++11 -W -Wall -Wno-unknown-warning-option -Wno-missing-braces")
 elseif("${CMAKE_CXX_COMPILER_ID}" MATCHES "^(MSVC)$")
   # TODO: we currently disable the warning C4709 because MSVC emits it even when there is no reason to. Re-enable it when possible.
   # TODO: the warning C4141 is disabled, because MSVC emits it ("'inline': used more than once") when a function/method is marked with both __forceinline and inline.
   # TODO: the warning C4714 is disabled, MSVC emits it when it decides not to inline a __forceinline function/method.
   # The warning C4577 is disabled because we don't need a termination guarantee on exceptions for functions marked with
   # 'noexcept'.
   # The warning C4530 is disabled because it's triggered by MSVC's STL.
   set(FRUIT_ADDITIONAL_COMPILE_FLAGS "${FRUIT_ADDITIONAL_COMPILE_FLAGS} /nologo /FS /W4 /wd4324 /wd4709 /wd4459 /wd4141 /wd4714 /wd4577 /wd4530 /D_SCL_SECURE_NO_WARNINGS")
 endif()

 option(FRUIT_ENABLE_COVERAGE "Enable collection of test coverage. This is meant to be used by Fruit developers. It's only supported when using GCC on Linux." OFF)
 if("${FRUIT_ENABLE_COVERAGE}")
   # We also disable exceptions because otherwise GCC considers every function/method call that could throw as an
   # additional branch.
   set(FRUIT_ADDITIONAL_COMPILE_FLAGS "${FRUIT_ADDITIONAL_COMPILE_FLAGS} -fprofile-arcs -ftest-coverage -fno-exceptions -fno-inline -O0")
   set(FRUIT_ADDITIONAL_LINKER_FLAGS "${FRUIT_ADDITIONAL_LINKER_FLAGS} -fprofile-arcs -ftest-coverage -fno-exceptions -fno-inline -O0")
 endif()

 set(FRUIT_USES_BOOST TRUE CACHE BOOL
         "Whether to use Boost (specifically, boost::unordered_set and boost::unordered_map).
         If this is false, Fruit will use std::unordered_set and std::unordered_map instead (however this causes injection to be a bit slower).")

 set(FRUIT_IS_BEING_BUILT_BY_CONAN FALSE CACHE BOOL "This is set in Conan builds.")

 if("${WIN32}" AND "${FRUIT_USES_BOOST}" AND NOT "${FRUIT_IS_BEING_BUILT_BY_CONAN}")
   set(BOOST_DIR "" CACHE PATH "The directory where the boost library is installed, e.g. C:\\boost\\boost_1_62_0.")
   if("${BOOST_DIR}" STREQUAL "")
     message(FATAL_ERROR "Please re-run CMake, specifying the boost library path as BOOST_DIR, e.g. -DBOOST_DIR=C:\\boost\\boost_1_62_0, or specify -DFRUIT_USES_BOOST=False to not use boost.")
   endif()
   include_directories("${BOOST_DIR}")
 endif()

 set(RUN_TESTS_UNDER_VALGRIND FALSE CACHE BOOL "Whether to run Fruit tests under valgrind")
 if ("${RUN_TESTS_UNDER_VALGRIND}")
   set(RUN_TESTS_UNDER_VALGRIND_FLAG "1")
 endif()

 # Unsafe, only for debugging/benchmarking.
 #set(FRUIT_ADDITIONAL_COMPILE_FLAGS "${FRUIT_ADDITIONAL_COMPILE_FLAGS} -DFRUIT_NO_LOOP_CHECK=1")

 add_definitions(${FRUIT_ADDITIONAL_COMPILE_FLAGS})
 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${FRUIT_ADDITIONAL_LINKER_FLAGS}")
 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${FRUIT_ADDITIONAL_LINKER_FLAGS}")
 set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} ${FRUIT_ADDITIONAL_LINKER_FLAGS}")

 if ("${CMAKE_BUILD_TYPE}" STREQUAL "Release")
     set(FRUIT_COMPILE_FLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_RELEASE} ${FRUIT_ADDITIONAL_COMPILE_FLAGS}")
 else()
     set(FRUIT_COMPILE_FLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_DEBUG} ${FRUIT_ADDITIONAL_COMPILE_FLAGS}")
 endif()

 include_directories(${CMAKE_CURRENT_SOURCE_DIR}/include)
 include_directories(${CMAKE_CURRENT_BINARY_DIR}/include)

 # (debug-only) compile switch to get deep template instantiation stacktraces for errors (instead
 # of the user-friendly default that hides Fruit internals).
 #add_definitions(-DFRUIT_DEEP_TEMPLATE_INSTANTIATION_STACKTRACES_FOR_ERRORS=1)

 set(INSTALL_INCLUDE_DIR include/fruit CACHE PATH "Installation directory for headers")
 set(INSTALL_LIBRARY_DIR lib CACHE PATH "Installation directory for libraries")

 set(FRUIT_VERSION "3.4.0")

 add_subdirectory(configuration)
 add_subdirectory(src)

 if("${CMAKE_BUILD_TYPE}" STREQUAL "Debug")
   # Do not exclude these from "make all" in debug mode, they must build.
   add_subdirectory(examples)
   add_subdirectory(tests)
 else()
   add_subdirectory(examples EXCLUDE_FROM_ALL)
   add_subdirectory(tests)
 endif()

 add_subdirectory(extras EXCLUDE_FROM_ALL)

 install(DIRECTORY include/fruit/
   DESTINATION "${INSTALL_INCLUDE_DIR}"
   FILES_MATCHING PATTERN "*.h")

 set(CPACK_PACKAGE_NAME "Fruit")
 set(CPACK_PACKAGE_VENDOR "Marco Poletti")
 set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "Fruit - Dependency Injection Framework For C++")
 string(REGEX REPLACE "([^.]*)\\.([^.]*)\\.([^.]*)" "\\1" CPACK_PACKAGE_VERSION_MAJOR "${FRUIT_VERSION}")
 string(REGEX REPLACE "([^.]*)\\.([^.]*)\\.([^.]*)" "\\2" CPACK_PACKAGE_VERSION_MINOR "${FRUIT_VERSION}")
 string(REGEX REPLACE "([^.]*)\\.([^.]*)\\.([^.]*)" "\\3" CPACK_PACKAGE_VERSION_PATCH "${FRUIT_VERSION}")
 set(CPACK_PACKAGE_VERSION "${FRUIT_VERSION}")
 set(CPACK_PACKAGE_INSTALL_DIRECTORY "Fruit")
	project(Fruit)
	cmake_minimum_required(VERSION 2.8)

	if (POLICY CMP0054)
	cmake_policy(SET CMP0054 NEW)
	endif()

	# CMake on OSX likes to see this set explicitly, otherwise it outputs a warning.
	set(CMAKE_MACOSX_RPATH 1)

	if(NOT "${CMAKE_BUILD_TYPE}" MATCHES "^(Debug\|Release\|RelWithDebInfo\|MinSizeRel)$")
	message(FATAL_ERROR "Please re-run CMake, specifying -DCMAKE_BUILD_TYPE=Debug , -DCMAKE_BUILD_TYPE=Release , -DCMAKE_BUILD_TYPE=RelWithDebInfo or -DCMAKE_BUILD_TYPE=MinSizeRel .")
	endif()

	option(BUILD_SHARED_LIBS "Build shared library" ON)

	# The Visual Studio CMake generators default to multiple configurations, but Fruit doesn't support multi-configuration build directories.
	set(CMAKE_CONFIGURATION_TYPES "${CMAKE_BUILD_TYPE}")

	if(NOT "${RUNTIME_OUTPUT_DIRECTORY}")
	set(RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}")
	endif()

	set(FRUIT_ADDITIONAL_CXX_FLAGS "" CACHE STRING "Additional CXX compiler flags." FORCE)

	set(FRUIT_ADDITIONAL_COMPILE_FLAGS "${FRUIT_ADDITIONAL_CXX_FLAGS}")

	if(NOT "${CMAKE_CXX_COMPILER_ID}" MATCHES "^(GNU\|Clang\|AppleClang\|MSVC)$")
	message(WARNING "Compiler not officially supported: ${CMAKE_CXX_COMPILER_ID}")
	# Full list of possible values at https://cmake.org/cmake/help/latest/variable/CMAKE_LANG_COMPILER_ID.html .
	# Major compilers not currently supported:
	# * "Intel": not supported ATM due to compiler bugs:
	# - https://software.intel.com/en-us/forums/intel-c-compiler/topic/606048
	# - https://software.intel.com/en-us/forums/intel-c-compiler/topic/606049
	endif()

	if("${CMAKE_CXX_COMPILER_ID}" MATCHES "^(GNU\|Clang\|Intel\|AppleClang)$")
	set(FRUIT_ADDITIONAL_COMPILE_FLAGS "${FRUIT_ADDITIONAL_COMPILE_FLAGS} -std=c++11 -W -Wall -Wno-unknown-warning-option -Wno-missing-braces")
	elseif("${CMAKE_CXX_COMPILER_ID}" MATCHES "^(MSVC)$")
	# TODO: we currently disable the warning C4709 because MSVC emits it even when there is no reason to. Re-enable it when possible.
	# TODO: the warning C4141 is disabled, because MSVC emits it ("'inline': used more than once") when a function/method is marked with both __forceinline and inline.
	# TODO: the warning C4714 is disabled, MSVC emits it when it decides not to inline a __forceinline function/method.
	# The warning C4577 is disabled because we don't need a termination guarantee on exceptions for functions marked with
	# 'noexcept'.
	# The warning C4530 is disabled because it's triggered by MSVC's STL.
	set(FRUIT_ADDITIONAL_COMPILE_FLAGS "${FRUIT_ADDITIONAL_COMPILE_FLAGS} /nologo /FS /W4 /wd4324 /wd4709 /wd4459 /wd4141 /wd4714 /wd4577 /wd4530 /D_SCL_SECURE_NO_WARNINGS")
	endif()

	option(FRUIT_ENABLE_COVERAGE "Enable collection of test coverage. This is meant to be used by Fruit developers. It's only supported when using GCC on Linux." OFF)
	if("${FRUIT_ENABLE_COVERAGE}")
	# We also disable exceptions because otherwise GCC considers every function/method call that could throw as an
	# additional branch.
	set(FRUIT_ADDITIONAL_COMPILE_FLAGS "${FRUIT_ADDITIONAL_COMPILE_FLAGS} -fprofile-arcs -ftest-coverage -fno-exceptions -fno-inline -O0")
	set(FRUIT_ADDITIONAL_LINKER_FLAGS "${FRUIT_ADDITIONAL_LINKER_FLAGS} -fprofile-arcs -ftest-coverage -fno-exceptions -fno-inline -O0")
	endif()

	set(FRUIT_USES_BOOST TRUE CACHE BOOL
	"Whether to use Boost (specifically, boost::unordered_set and boost::unordered_map).
	If this is false, Fruit will use std::unordered_set and std::unordered_map instead (however this causes injection to be a bit slower).")

	set(FRUIT_IS_BEING_BUILT_BY_CONAN FALSE CACHE BOOL "This is set in Conan builds.")

	if("${WIN32}" AND "${FRUIT_USES_BOOST}" AND NOT "${FRUIT_IS_BEING_BUILT_BY_CONAN}")
	set(BOOST_DIR "" CACHE PATH "The directory where the boost library is installed, e.g. C:\\boost\\boost_1_62_0.")
	if("${BOOST_DIR}" STREQUAL "")
	message(FATAL_ERROR "Please re-run CMake, specifying the boost library path as BOOST_DIR, e.g. -DBOOST_DIR=C:\\boost\\boost_1_62_0, or specify -DFRUIT_USES_BOOST=False to not use boost.")
	endif()
	include_directories("${BOOST_DIR}")
	endif()

	set(RUN_TESTS_UNDER_VALGRIND FALSE CACHE BOOL "Whether to run Fruit tests under valgrind")
	if ("${RUN_TESTS_UNDER_VALGRIND}")
	set(RUN_TESTS_UNDER_VALGRIND_FLAG "1")
	endif()

	# Unsafe, only for debugging/benchmarking.
	#set(FRUIT_ADDITIONAL_COMPILE_FLAGS "${FRUIT_ADDITIONAL_COMPILE_FLAGS} -DFRUIT_NO_LOOP_CHECK=1")

	add_definitions(${FRUIT_ADDITIONAL_COMPILE_FLAGS})
	set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${FRUIT_ADDITIONAL_LINKER_FLAGS}")
	set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${FRUIT_ADDITIONAL_LINKER_FLAGS}")
	set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} ${FRUIT_ADDITIONAL_LINKER_FLAGS}")

	if ("${CMAKE_BUILD_TYPE}" STREQUAL "Release")
	set(FRUIT_COMPILE_FLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_RELEASE} ${FRUIT_ADDITIONAL_COMPILE_FLAGS}")
	else()
	set(FRUIT_COMPILE_FLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_DEBUG} ${FRUIT_ADDITIONAL_COMPILE_FLAGS}")
	endif()

	include_directories(${CMAKE_CURRENT_SOURCE_DIR}/include)
	include_directories(${CMAKE_CURRENT_BINARY_DIR}/include)

	# (debug-only) compile switch to get deep template instantiation stacktraces for errors (instead
	# of the user-friendly default that hides Fruit internals).
	#add_definitions(-DFRUIT_DEEP_TEMPLATE_INSTANTIATION_STACKTRACES_FOR_ERRORS=1)

	set(INSTALL_INCLUDE_DIR include/fruit CACHE PATH "Installation directory for headers")
	set(INSTALL_LIBRARY_DIR lib CACHE PATH "Installation directory for libraries")

	set(FRUIT_VERSION "3.4.0")

	add_subdirectory(configuration)
	add_subdirectory(src)

	if("${CMAKE_BUILD_TYPE}" STREQUAL "Debug")
	# Do not exclude these from "make all" in debug mode, they must build.
	add_subdirectory(examples)
	add_subdirectory(tests)
	else()
	add_subdirectory(examples EXCLUDE_FROM_ALL)
	add_subdirectory(tests)
	endif()

	add_subdirectory(extras EXCLUDE_FROM_ALL)

	install(DIRECTORY include/fruit/
	DESTINATION "${INSTALL_INCLUDE_DIR}"
	FILES_MATCHING PATTERN "*.h")

	set(CPACK_PACKAGE_NAME "Fruit")
	set(CPACK_PACKAGE_VENDOR "Marco Poletti")
	set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "Fruit - Dependency Injection Framework For C++")
	string(REGEX REPLACE "([^.])\\.([^.])\\.([^.]*)" "\\1" CPACK_PACKAGE_VERSION_MAJOR "${FRUIT_VERSION}")
	string(REGEX REPLACE "([^.])\\.([^.])\\.([^.]*)" "\\2" CPACK_PACKAGE_VERSION_MINOR "${FRUIT_VERSION}")
	string(REGEX REPLACE "([^.])\\.([^.])\\.([^.]*)" "\\3" CPACK_PACKAGE_VERSION_PATCH "${FRUIT_VERSION}")
	set(CPACK_PACKAGE_VERSION "${FRUIT_VERSION}")
	set(CPACK_PACKAGE_INSTALL_DIRECTORY "Fruit")