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CMakeLists.txt
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CMakeLists.txt
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# Copyright (c) 2015 Amanieu d'Antras
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
cmake_minimum_required(VERSION 3.1)
project(Async++ C CXX)
option(BUILD_SHARED_LIBS "Build Async++ as a shared library" ON)
option(USE_CXX_EXCEPTIONS "Enable C++ exception support" ON)
if (APPLE)
option(BUILD_FRAMEWORK "Build a Mac OS X framework instead of a library" OFF)
if (BUILD_FRAMEWORK AND NOT BUILD_SHARED_LIBS)
message(FATAL_ERROR "Can't build a framework with static libraries")
endif()
endif()
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
# Add all source and header files so IDEs can see them
set(ASYNCXX_INCLUDE
${PROJECT_SOURCE_DIR}/include/async++/aligned_alloc.h
${PROJECT_SOURCE_DIR}/include/async++/cancel.h
${PROJECT_SOURCE_DIR}/include/async++/continuation_vector.h
${PROJECT_SOURCE_DIR}/include/async++/parallel_for.h
${PROJECT_SOURCE_DIR}/include/async++/parallel_invoke.h
${PROJECT_SOURCE_DIR}/include/async++/parallel_reduce.h
${PROJECT_SOURCE_DIR}/include/async++/partitioner.h
${PROJECT_SOURCE_DIR}/include/async++/range.h
${PROJECT_SOURCE_DIR}/include/async++/ref_count.h
${PROJECT_SOURCE_DIR}/include/async++/scheduler.h
${PROJECT_SOURCE_DIR}/include/async++/scheduler_fwd.h
${PROJECT_SOURCE_DIR}/include/async++/task.h
${PROJECT_SOURCE_DIR}/include/async++/task_base.h
${PROJECT_SOURCE_DIR}/include/async++/traits.h
${PROJECT_SOURCE_DIR}/include/async++/when_all_any.h
)
set(ASYNCXX_SRC
${PROJECT_SOURCE_DIR}/src/internal.h
${PROJECT_SOURCE_DIR}/src/fifo_queue.h
${PROJECT_SOURCE_DIR}/src/scheduler.cpp
${PROJECT_SOURCE_DIR}/src/singleton.h
${PROJECT_SOURCE_DIR}/src/task_wait_event.h
${PROJECT_SOURCE_DIR}/src/threadpool_scheduler.cpp
${PROJECT_SOURCE_DIR}/src/work_steal_queue.h
)
source_group(include FILES ${PROJECT_SOURCE_DIR}/include/async++.h ${ASYNCXX_INCLUDE})
source_group(src FILES ${ASYNCXX_SRC})
add_library(Async++ ${PROJECT_SOURCE_DIR}/include/async++.h ${ASYNCXX_INCLUDE} ${ASYNCXX_SRC})
# Async++ only depends on the C++11 standard libraries, but some implementations
# require the -pthread compiler flag to enable threading functionality.
if (NOT MSVC)
target_compile_options(Async++ PRIVATE -std=c++11)
endif()
if (APPLE)
# Use libc++ on Mac because the shipped libstdc++ version is ancient
target_compile_options(Async++ PRIVATE -stdlib=libc++)
set_target_properties(Async++ PROPERTIES LINK_FLAGS -stdlib=libc++)
endif()
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads REQUIRED)
target_link_libraries(Async++ PUBLIC Threads::Threads)
# Set up preprocessor definitions
target_include_directories(Async++ PRIVATE ${PROJECT_SOURCE_DIR}/include)
set_target_properties(Async++ PROPERTIES DEFINE_SYMBOL LIBASYNC_BUILD)
if (BUILD_SHARED_LIBS)
# Minimize the set of symbols exported by libraries
set_target_properties(Async++ PROPERTIES CXX_VISIBILITY_PRESET hidden VISIBILITY_INLINES_HIDDEN ON)
else()
target_compile_definitions(Async++ PUBLIC LIBASYNC_STATIC)
endif()
# Enable warnings for strict C++ standard conformance
if (NOT MSVC)
target_compile_options(Async++ PRIVATE -Wall -Wextra -pedantic)
endif()
# Async++ doesn't make use of RTTI information, so don't generate it.
# There are issues on Apple platforms with exceptions and -fno-rtti, so keep it
# enabled there.
# See https://stackoverflow.com/questions/21737201/problems-throwing-and-catching-exceptions-on-os-x-with-fno-rtti
if (MSVC)
target_compile_options(Async++ PRIVATE /GR-)
elseif(NOT APPLE)
target_compile_options(Async++ PRIVATE -fno-rtti)
endif()
# Allow disabling exceptions, but warn the user about the consequences
if (NOT USE_CXX_EXCEPTIONS)
message(WARNING "Exceptions have been disabled. Any operation that would "
"throw an exception will result in a call to std::abort() instead.")
target_compile_definitions(Async++ PUBLIC LIBASYNC_NO_EXCEPTIONS)
if (MSVC)
target_compile_options(Async++ PUBLIC /EHs-c-)
else()
target_compile_options(Async++ PUBLIC -fno-exceptions)
endif()
endif()
# /Zc:__cplusplus is required to make __cplusplus accurate
# /Zc:__cplusplus is available starting with Visual Studio 2017 version 15.7
# (according to https://docs.microsoft.com/en-us/cpp/build/reference/zc-cplusplus)
# That version is equivalent to _MSC_VER==1914
# (according to https://docs.microsoft.com/en-us/cpp/preprocessor/predefined-macros?view=vs-2019)
# CMake's ${MSVC_VERSION} is equivalent to _MSC_VER
# (according to https://cmake.org/cmake/help/latest/variable/MSVC_VERSION.html#variable:MSVC_VERSION)
# GREATER and EQUAL are used because GREATER_EQUAL is available starting with CMake 3.7
# (according to https://cmake.org/cmake/help/v3.7/release/3.7.html#commands)
if ((MSVC) AND ((MSVC_VERSION GREATER 1914) OR (MSVC_VERSION EQUAL 1914)))
target_compile_options(Async++ PUBLIC /Zc:__cplusplus)
endif()
include(CMakePackageConfigHelpers)
configure_package_config_file("${CMAKE_CURRENT_LIST_DIR}/Async++Config.cmake.in"
"${PROJECT_BINARY_DIR}/Async++Config.cmake"
INSTALL_DESTINATION cmake
)
install(FILES "${PROJECT_BINARY_DIR}/Async++Config.cmake"
DESTINATION cmake
)
# Install the library and produce a CMake export script
include(GNUInstallDirs)
install(TARGETS Async++
EXPORT Async++
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
FRAMEWORK DESTINATION Frameworks
)
export(EXPORT Async++)
install(EXPORT Async++ DESTINATION cmake)
if (APPLE AND BUILD_FRAMEWORK)
set_target_properties(Async++ PROPERTIES OUTPUT_NAME Async++ FRAMEWORK ON)
set_source_files_properties(${ASYNCXX_INCLUDE} PROPERTIES MACOSX_PACKAGE_LOCATION Headers/async++)
set_source_files_properties(${PROJECT_SOURCE_DIR}/include/async++.h PROPERTIES MACOSX_PACKAGE_LOCATION Headers)
else()
set_target_properties(Async++ PROPERTIES OUTPUT_NAME async++)
target_include_directories(Async++ INTERFACE $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include> $<INSTALL_INTERFACE:include>)
install(FILES ${PROJECT_SOURCE_DIR}/include/async++.h DESTINATION include)
install(FILES ${ASYNCXX_INCLUDE} DESTINATION include/async++)
endif()
SET(CPACK_GENERATOR "DEB")
SET(CPACK_DEBIAN_PACKAGE_MAINTAINER "none") #required
INCLUDE(CPack)