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CMakeLists.txt
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cmake_minimum_required(VERSION 3.15)
include(CMakeDependentOption)
project(libcoro
VERSION 0.11.1
LANGUAGES CXX
DESCRIPTION "C++20 coroutine library"
)
if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
set(MACOSX TRUE)
# We need to build with clang >= 17, assuming its installed by
# brew. We also need to force linking to libc++.a
add_link_options(-L/usr/local/opt/llvm/lib)
link_libraries(-lc++)
endif()
include(GNUInstallDirs)
include(GenerateExportHeader)
if (NOT "$ENV{version}" STREQUAL "")
set(PROJECT_VERSION "$ENV{version}" CACHE INTERNAL "Copied from environment variable")
endif()
option(LIBCORO_EXTERNAL_DEPENDENCIES "Use Cmake find_package to resolve dependencies instead of embedded libraries, Default=OFF." OFF)
option(LIBCORO_BUILD_TESTS "Build the tests, Default=ON." ON)
option(LIBCORO_CODE_COVERAGE "Enable code coverage, tests must also be enabled, Default=OFF" OFF)
option(LIBCORO_BUILD_EXAMPLES "Build the examples, Default=ON." ON)
option(LIBCORO_RUN_GITCONFIG "Set the githooks directory to auto format and update the readme, Default=OFF." OFF)
option(LIBCORO_BUILD_SHARED_LIBS "Build shared libraries, Default=OFF." OFF)
# Set the githooks directory to auto format and update the readme.
if (LIBCORO_RUN_GITCONFIG)
message("${PROJECT_NAME} ${CMAKE_CURRENT_SOURCE_DIR} -> git config --local core.hooksPath .githooks")
execute_process(
COMMAND git config --local core.hooksPath .githooks
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
)
endif()
cmake_dependent_option(LIBCORO_FEATURE_NETWORKING "Include networking features, Default=ON." ON "NOT EMSCRIPTEN; NOT MSVC" OFF)
cmake_dependent_option(LIBCORO_FEATURE_TLS "Include TLS encryption features, Default=ON." ON "NOT EMSCRIPTEN; NOT MSVC" OFF)
message("${PROJECT_NAME} LIBCORO_EXTERNAL_DEPENDENCIES = ${LIBCORO_EXTERNAL_DEPENDENCIES}")
message("${PROJECT_NAME} LIBCORO_BUILD_TESTS = ${LIBCORO_BUILD_TESTS}")
message("${PROJECT_NAME} LIBCORO_CODE_COVERAGE = ${LIBCORO_CODE_COVERAGE}")
message("${PROJECT_NAME} LIBCORO_BUILD_EXAMPLES = ${LIBCORO_BUILD_EXAMPLES}")
message("${PROJECT_NAME} LIBCORO_FEATURE_NETWORKING = ${LIBCORO_FEATURE_NETWORKING}")
message("${PROJECT_NAME} LIBCORO_FEATURE_TLS = ${LIBCORO_FEATURE_TLS}")
message("${PROJECT_NAME} LIBCORO_RUN_GITCONFIG = ${LIBCORO_RUN_GITCONFIG}")
message("${PROJECT_NAME} LIBCORO_BUILD_SHARED_LIBS = ${LIBCORO_BUILD_SHARED_LIBS}")
if(LIBCORO_EXTERNAL_DEPENDENCIES)
if(LIBCORO_FEATURE_NETWORKING)
find_package(c-ares CONFIG REQUIRED)
endif()
else()
if(NOT LIBCORO_BUILD_TESTS)
# Disable testing in expected
set(BUILD_TESTING OFF CACHE INTERNAL "")
endif()
if(LIBCORO_FEATURE_NETWORKING)
set(CARES_STATIC $<NOT:${LIBCORO_BUILD_SHARED_LIBS}> CACHE INTERNAL "")
set(CARES_SHARED ${LIBCORO_BUILD_SHARED_LIBS} CACHE INTERNAL "")
set(CARES_INSTALL OFF CACHE INTERNAL "")
add_subdirectory(vendor/c-ares/c-ares)
endif()
endif()
set(BUILD_SHARED_LIBS ${LIBCORO_BUILD_SHARED_LIBS} CACHE INTERNAL "")
set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ${LIBCORO_BUILD_SHARED_LIBS} CACHE INTERNAL "")
set(LIBCORO_SOURCE_FILES
include/coro/concepts/awaitable.hpp
include/coro/concepts/buffer.hpp
include/coro/concepts/executor.hpp
include/coro/concepts/promise.hpp
include/coro/concepts/range_of.hpp
include/coro/detail/void_value.hpp
include/coro/attribute.hpp
include/coro/coro.hpp
include/coro/event.hpp src/event.cpp
include/coro/generator.hpp
include/coro/latch.hpp
include/coro/mutex.hpp src/mutex.cpp
include/coro/ring_buffer.hpp
include/coro/semaphore.hpp src/semaphore.cpp
include/coro/shared_mutex.hpp
include/coro/sync_wait.hpp src/sync_wait.cpp
include/coro/task.hpp
include/coro/task_container.hpp
include/coro/thread_pool.hpp src/thread_pool.cpp
include/coro/time.hpp
include/coro/when_all.hpp
)
if(LIBCORO_FEATURE_NETWORKING)
list(APPEND LIBCORO_SOURCE_FILES
include/coro/detail/poll_info.hpp
include/coro/fd.hpp
include/coro/io_scheduler.hpp src/io_scheduler.cpp
include/coro/poll.hpp src/poll.cpp
)
list(APPEND LIBCORO_SOURCE_FILES
include/coro/net/dns/resolver.hpp src/net/dns/resolver.cpp
include/coro/net/connect.hpp src/net/connect.cpp
include/coro/net/hostname.hpp
include/coro/net/ip_address.hpp src/net/ip_address.cpp
include/coro/net/recv_status.hpp src/net/recv_status.cpp
include/coro/net/send_status.hpp src/net/send_status.cpp
include/coro/net/socket.hpp src/net/socket.cpp
include/coro/net/tcp/client.hpp src/net/tcp/client.cpp
include/coro/net/tcp/server.hpp src/net/tcp/server.cpp
include/coro/net/udp/peer.hpp src/net/udp/peer.cpp
)
if(LIBCORO_FEATURE_TLS)
find_package(OpenSSL REQUIRED)
list(APPEND LIBCORO_SOURCE_FILES
include/coro/net/tls/client.hpp src/net/tls/client.cpp
include/coro/net/tls/connection_status.hpp src/net/tls/connection_status.cpp
include/coro/net/tls/context.hpp src/net/tls/context.cpp
include/coro/net/tls/recv_status.hpp src/net/tls/recv_status.cpp
include/coro/net/tls/send_status.hpp src/net/tls/send_status.cpp
include/coro/net/tls/server.hpp src/net/tls/server.cpp
)
endif()
endif()
if(DEFINED EMSCRIPTEN)
add_compile_options(-fwasm-exceptions)
add_compile_options(-pthread)
add_compile_options(-matomics)
add_link_options(-fwasm-exceptions)
add_link_options(-pthread)
add_link_options(-sPROXY_TO_PTHREAD)
add_link_options(-sALLOW_MEMORY_GROWTH)
add_link_options(-sEXIT_RUNTIME)
endif()
add_library(${PROJECT_NAME} ${LIBCORO_SOURCE_FILES})
set_target_properties(${PROJECT_NAME} PROPERTIES LINKER_LANGUAGE CXX PREFIX "" VERSION ${PROJECT_VERSION} SOVERSION ${PROJECT_VERSION_MAJOR})
target_compile_features(${PROJECT_NAME} PUBLIC cxx_std_20)
target_include_directories(${PROJECT_NAME} PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/include PUBLIC ${CMAKE_CURRENT_BINARY_DIR}/include)
generate_export_header(${PROJECT_NAME} BASE_NAME CORO EXPORT_FILE_NAME include/coro/export.hpp)
if(UNIX)
target_link_libraries(${PROJECT_NAME} PUBLIC pthread)
endif()
if(LIBCORO_FEATURE_NETWORKING)
target_link_libraries(${PROJECT_NAME} PUBLIC c-ares::cares)
target_compile_definitions(${PROJECT_NAME} PUBLIC LIBCORO_FEATURE_NETWORKING)
if(LIBCORO_FEATURE_TLS)
target_link_libraries(${PROJECT_NAME} PUBLIC OpenSSL::SSL OpenSSL::Crypto)
target_compile_definitions(${PROJECT_NAME} PUBLIC LIBCORO_FEATURE_TLS)
endif()
endif()
if(${CMAKE_CXX_COMPILER_ID} MATCHES "GNU")
if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "10.2.0")
message(FATAL_ERROR "g++ version ${CMAKE_CXX_COMPILER_VERSION} is unsupported, please upgrade to at least 10.2.0")
endif()
target_compile_options(${PROJECT_NAME} PUBLIC
$<$<COMPILE_LANGUAGE:CXX>:-fcoroutines>
$<$<COMPILE_LANGUAGE:CXX>:-fconcepts>
$<$<COMPILE_LANGUAGE:CXX>:-fexceptions>
$<$<COMPILE_LANGUAGE:CXX>:-Wall>
$<$<COMPILE_LANGUAGE:CXX>:-Wextra>
$<$<COMPILE_LANGUAGE:CXX>:-pipe>
)
elseif(${CMAKE_CXX_COMPILER_ID} MATCHES "Clang")
if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "16.0.0")
message(FATAL_ERROR "Clang version ${CMAKE_CXX_COMPILER_VERSION} is unsupported, please upgrade to at least 16.0.0")
endif()
target_compile_options(${PROJECT_NAME} PUBLIC
$<$<COMPILE_LANGUAGE:CXX>:-fexceptions>
$<$<COMPILE_LANGUAGE:CXX>:-Wall>
$<$<COMPILE_LANGUAGE:CXX>:-Wextra>
$<$<COMPILE_LANGUAGE:CXX>:-pipe>
)
elseif(MSVC)
target_compile_options(${PROJECT_NAME} PUBLIC
/W4
)
endif()
if(LIBCORO_BUILD_TESTS)
if(LIBCORO_CODE_COVERAGE)
target_compile_options(${PROJECT_NAME} PRIVATE --coverage)
target_link_libraries(${PROJECT_NAME} PRIVATE gcov)
endif()
include(CTest)
add_subdirectory(test)
endif()
if(LIBCORO_BUILD_EXAMPLES)
add_subdirectory(examples)
endif()
# generate pc file for pkg-config
if(MSVC)
set(target1 ${PROJECT_NAME})
else()
string(REGEX REPLACE "^lib" "" target1 ${PROJECT_NAME})
endif()
configure_file(libcoro.pc.in libcoro.pc @ONLY)
install(TARGETS libcoro)
install(DIRECTORY include/coro TYPE INCLUDE)
install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/coro TYPE INCLUDE)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libcoro.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)