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Split CMakeLists
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‎CMakeLists.txt

Lines changed: 130 additions & 349 deletions
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‎cmake/BuildDependencies.cmake

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macro(get_compiler_id)
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# Get lowercase compiler id
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string(TOLOWER "${CMAKE_CXX_COMPILER_ID}" cmake_cxx_compiler_id)
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if(cmake_cxx_compiler_id STREQUAL "gnu")
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set(cmake_cxx_compiler_id "gcc")
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endif()
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endmacro()
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# if set toolchain file, don't build, and add include path and link path
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if(CMAKE_TOOLCHAIN_FILE)
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set(BUILD_DEPENDENCIES
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OFF
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CACHE BOOL "Build Dependencies" FORCE
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)
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# toolchain file added include path and link path, use it
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target_include_directories(${PROJECT_NAME} PRIVATE ${CMAKE_INCLUDE_PATH})
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target_link_directories(${PROJECT_NAME} PRIVATE ${CMAKE_LIBRARY_PATH})
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endif()
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if(BUILD_DEPENDENCIES)
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message(STATUS "Building Dependencies")
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# CMake >= 3.14
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if(${CMAKE_VERSION} VERSION_LESS "3.14")
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message(FATAL_ERROR "CMake >= 3.14 required")
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endif()
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include(FetchContent)
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# show progress
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set(FETCHCONTENT_QUIET OFF)
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set(FETCHCONTENT_UPDATES_DISCONNECTED ON)
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# disable CMP0135 warning
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if(${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.24")
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cmake_policy(SET CMP0135 NEW)
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endif()
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# 💡Using URL is faster than git clone
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# GTest/GoogleTest
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if(BUILD_TESTING)
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#[[
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# Can't use name ⚠️GTest/gtest⚠️ in FetchContent_Declare, see:
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# CMake FetchContent not working as expected (https://github.com/google/googletest/issues/2457)
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# FetchContent_* does not work with GTest as dependency name on Windows (https://gitlab.kitware.com/cmake/cmake/-/issues/25294)
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# The name gtest reserved:
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# googletest_SOURCE_DIR: build/_deps/googletest-src
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# gtest_SOURCE_DIR: build/_deps/googletest-src/googletest
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#]]
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FetchContent_Declare(googletest URL "https://github.com/google/googletest/archive/refs/tags/v1.14.0.tar.gz")
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# For Windows: Prevent overriding the parent project's compiler/linker ⚠️MT/MD⚠️ settings
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set(gtest_force_shared_crt
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ON
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CACHE BOOL "" FORCE
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)
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FetchContent_MakeAvailable(googletest)
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# Set build output path, this is mainly for Windows, to solve the test/unittests running 0x000135 problems
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set_standard_build_output(gtest)
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set_standard_build_output(gtest_main)
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set_standard_build_output(gmock)
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set_standard_build_output(gmock_main)
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endif()
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# spdlog
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if(TRANTOR_USE_SPDLOG)
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FetchContent_Declare(fmt URL "https://github.com/fmtlib/fmt/archive/refs/tags/10.2.1.tar.gz")
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FetchContent_Declare(spdlog URL "https://github.com/gabime/spdlog/archive/refs/tags/v1.13.0.tar.gz")
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FetchContent_MakeAvailable(fmt spdlog)
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# Set build output path, this is mainly for Windows, to solve the test/unittests running 0x000135 problems
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set_standard_build_output(fmt)
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set_standard_build_output(spdlog)
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endif()
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# c-ares
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if(TRANTOR_USE_C-ARES)
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FetchContent_Declare(c-ares URL "https://github.com/c-ares/c-ares/archive/refs/tags/cares-1_25_0.tar.gz")
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FetchContent_MakeAvailable(c-ares)
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# Set build output path, this is mainly for Windows, to solve the test/unittests running 0x000135 problems
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set_standard_build_output(c-ares)
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endif()
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# OpenSSL
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if(TRANTOR_TLS_PROVIDER STREQUAL "openssl")
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# openssl build need perl
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find_package(Perl REQUIRED)
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FetchContent_Declare(OpenSSL URL "https://github.com/openssl/openssl/archive/refs/tags/openssl-3.2.0.tar.gz")
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FetchContent_MakeAvailable(OpenSSL)
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# Set OPENSSL_ROOT_DIR, to let find_package could search from the build directory
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set(OPENSSL_ROOT_DIR
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${FETCHCONTENT_BASE_DIR}/openssl
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CACHE PATH "Let find_package use the directory to find" FORCE
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)
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if(NOT EXISTS ${OPENSSL_ROOT_DIR}/include/openssl)
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# ⚠️ remove "no-asm" flags to improve openssl performance
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if(CMAKE_CXX_COMPILER_ID MATCHES MSVC)
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execute_process(
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COMMAND ${PERL_EXECUTABLE} ${openssl_SOURCE_DIR}/Configure VC-WIN64A no-asm no-tests
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--prefix=${OPENSSL_ROOT_DIR} WORKING_DIRECTORY ${openssl_BINARY_DIR}
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)
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execute_process(COMMAND nmake WORKING_DIRECTORY ${openssl_BINARY_DIR})
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execute_process(COMMAND nmake install WORKING_DIRECTORY ${openssl_BINARY_DIR})
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else()
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execute_process(
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COMMAND ${openssl_SOURCE_DIR}/config no-asm no-tests --prefix=${OPENSSL_ROOT_DIR}
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WORKING_DIRECTORY ${openssl_BINARY_DIR}
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)
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execute_process(COMMAND make -j WORKING_DIRECTORY ${openssl_BINARY_DIR})
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execute_process(COMMAND make install WORKING_DIRECTORY ${openssl_BINARY_DIR})
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endif() # compiler id
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endif()
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target_include_directories(${PROJECT_NAME} PRIVATE ${OPENSSL_ROOT_DIR}/include)
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# copy dlls, this is mainly for Windows, to solve the test/unittests running 0x000135 problems
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copy_dlls_to_standard_build_output(${OPENSSL_ROOT_DIR}/bin)
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endif()
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# Botan-3
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#[[
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# ⚠️⚠️⚠️Botan3 is now a C++20 codebase; compiler requirements have been increased to GCC 11, Clang 14, or MSVC 2022. (GH #2455 #3086)
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# support ninja build after botan 3.2
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#]]
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if(TRANTOR_TLS_PROVIDER STREQUAL "botan-3")
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# botan build need python
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find_package(PythonInterp REQUIRED)
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FetchContent_Declare(Botan URL "https://github.com/randombit/botan/archive/refs/tags/3.2.0.tar.gz")
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FetchContent_MakeAvailable(Botan)
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set(BOTAN_ROOT_DIR
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${FETCHCONTENT_BASE_DIR}/botan-3
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CACHE PATH "Let find_package use the directory to find" FORCE
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)
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if(NOT EXISTS ${BOTAN_ROOT_DIR}/include/botan-3/botan)
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# Get lowercase compiler id
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get_compiler_id()
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if(CMAKE_CXX_COMPILER_ID MATCHES MSVC)
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# ⚠️botan-3 support ninja build
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execute_process(
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COMMAND ${PYTHON_EXECUTABLE} ${botan_SOURCE_DIR}/configure.py --prefix=${BOTAN_ROOT_DIR}
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--cc=${cmake_cxx_compiler_id} --build-tool=ninja --with-pkg-config --build-target=shared
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WORKING_DIRECTORY ${botan_BINARY_DIR}
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)
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execute_process(COMMAND ninja -j WORKING_DIRECTORY ${botan_BINARY_DIR})
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execute_process(COMMAND ninja install WORKING_DIRECTORY ${botan_BINARY_DIR})
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else()
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execute_process(
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COMMAND ${PYTHON_EXECUTABLE} ${botan_SOURCE_DIR}/configure.py --prefix=${BOTAN_ROOT_DIR}
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--cc=${cmake_cxx_compiler_id} --with-pkg-config --build-target=shared
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WORKING_DIRECTORY ${botan_BINARY_DIR}
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)
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execute_process(COMMAND make -j WORKING_DIRECTORY ${botan_BINARY_DIR})
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execute_process(COMMAND make install WORKING_DIRECTORY ${botan_BINARY_DIR})
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endif() # compiler id
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endif()
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target_include_directories(${PROJECT_NAME} PRIVATE ${BOTAN_ROOT_DIR}/include/botan-3)
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# copy dlls, this is mainly for Windows, to solve the test/unittests running 0x000135 problems
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copy_dlls_to_standard_build_output(${BOTAN_ROOT_DIR}/bin)
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endif()
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endif()

‎cmake/SetBuildOutput.cmake

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# Set build output path, this is mainly for Windows, to solve the test/unittests running 0x000135 problems
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macro(set_standard_build_output Tgt)
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if(WIN32)
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set_target_properties(${Tgt} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})
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set_target_properties(${Tgt} PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})
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set_target_properties(${Tgt} PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})
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endif()
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endmacro()
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# copy dll, this is mainly for Windows, to solve the test/unittests running 0x000135 problems
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macro(copy_dlls_to_standard_build_output SPath)
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if(WIN32)
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if(NOT CMAKE_BUILD_TYPE)
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set(CMAKE_BUILD_TYPE "Release")
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endif()
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file(GLOB_RECURSE dlls ${SPath}/*.dll)
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foreach(dll ${dlls})
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message(STATUS "copying ${dll} to ${CMAKE_BINARY_DIR}/${CMAKE_BUILD_TYPE}")
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file(COPY ${dll} DESTINATION ${CMAKE_BINARY_DIR}/${CMAKE_BUILD_TYPE})
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endforeach()
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endif()
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endmacro()

‎cmake/SetCAres.cmake

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# set normal resolver
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macro(set_normal_resolver)
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list(APPEND TRANTOR_SOURCES trantor/net/inner/NormalResolver.cc)
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list(APPEND PRIVATE_HEADERS trantor/net/inner/NormalResolver.h)
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endmacro()
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# set cares resolver
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macro(set_cares_resolver)
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if(NOT BUILD_SHARED_LIBS)
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target_compile_definitions(${PROJECT_NAME} PRIVATE CARES_STATICLIB)
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endif()
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target_link_libraries(${PROJECT_NAME} PRIVATE c-ares::cares)
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if(APPLE)
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target_link_libraries(${PROJECT_NAME} PRIVATE resolv)
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elseif(WIN32)
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target_link_libraries(${PROJECT_NAME} PRIVATE Iphlpapi)
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endif()
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list(APPEND TRANTOR_SOURCES trantor/net/inner/AresResolver.cc)
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list(APPEND PRIVATE_HEADERS trantor/net/inner/AresResolver.h)
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endmacro()
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# ######################################################################################################################
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message(STATUS "Setting c-ares: ${TRANTOR_USE_C-ARES}")
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if(TRANTOR_USE_C-ARES)
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if(NOT BUILD_DEPENDENCIES)
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find_package(c-ares REQUIRED)
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endif()
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set_cares_resolver()
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else()
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set_normal_resolver()
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endif()

‎cmake/SetDoxygen.cmake

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message(STATUS "Setting Doxygen documentation: ${BUILD_DOC}")
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if(BUILD_DOC)
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if(WIN32)
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set(DOXYGEN_PREDEFINED _WIN32)
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endif(WIN32)
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find_package(Doxygen OPTIONAL_COMPONENTS dot dia)
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if(DOXYGEN_FOUND)
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set(DOXYGEN_PROJECT_BRIEF "Non-blocking I/O cross-platform TCP network library, using C++14")
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set(DOXYGEN_OUTPUT_DIRECTORY docs/${PROJECT_NAME})
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set(DOXYGEN_GENERATE_LATEX NO)
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set(DOXYGEN_BUILTIN_STL_SUPPORT YES)
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set(DOXYGEN_USE_MDFILE_AS_MAINPAGE README.md)
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set(DOXYGEN_STRIP_FROM_INC_PATH ${PROJECT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR}/exports)
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doxygen_add_docs(
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doc_${PROJECT_NAME}
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README.md
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ChangeLog.md
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${public_net_headers}
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${public_utils_headers}
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COMMENT "Generate documentation"
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)
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add_dependencies(${PROJECT_NAME} doc_${PROJECT_NAME})
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endif()
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endif(BUILD_DOC)

‎cmake/SetExportHeader.cmake

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include(GenerateExportHeader)
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set(TRANTOR_EXPORT_HEADER ${CMAKE_CURRENT_BINARY_DIR}/exports/trantor/exports.h)
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generate_export_header(${PROJECT_NAME} EXPORT_FILE_NAME ${TRANTOR_EXPORT_HEADER})
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set_target_properties(${PROJECT_NAME} PROPERTIES EXPORT_NAME Trantor)

‎cmake/SetInstall.cmake

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message(STATUS "Setting Install")
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# Install target Output Artifacts and associated files
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install(
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TARGETS trantor
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# IMPORTANT: Add the trantor library to the "export-set",
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# ⚠️To actually install the export file itself, call install(EXPORT),
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EXPORT TrantorTargets
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RUNTIME DESTINATION "${INSTALL_BIN_DIR}" COMPONENT bin
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ARCHIVE DESTINATION "${INSTALL_LIB_DIR}" COMPONENT lib
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LIBRARY DESTINATION "${INSTALL_LIB_DIR}" COMPONENT lib
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)
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# Install a CMake file exporting targets for dependent projects
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install(
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EXPORT TrantorTargets
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DESTINATION "${INSTALL_TRANTOR_CMAKE_DIR}"
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NAMESPACE Trantor::
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COMPONENT dev
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)
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# Install header files
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install(FILES ${public_net_headers} DESTINATION ${INSTALL_INCLUDE_DIR}/trantor/net)
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install(FILES ${public_utils_headers} DESTINATION ${INSTALL_INCLUDE_DIR}/trantor/utils)
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install(FILES ${trantor_export_header} DESTINATION ${INSTALL_INCLUDE_DIR}/trantor)
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# Install the package configuration and package version file and cmake module files
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install(
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FILES "${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/TrantorConfig.cmake"
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"${CMAKE_CURRENT_BINARY_DIR}/TrantorConfigVersion.cmake"
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"${CMAKE_CURRENT_SOURCE_DIR}/cmake_modules/Findc-ares.cmake"
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"${CMAKE_CURRENT_SOURCE_DIR}/cmake_modules/FindBotan.cmake"
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DESTINATION "${INSTALL_TRANTOR_CMAKE_DIR}"
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COMPONENT dev
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)
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# Install the documentation. Don't install twice, so limit to Debug (assume developer)
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if(BUILD_DOC)
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install(
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DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/docs/${PROJECT_NAME}
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TYPE DOC
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CONFIGURATIONS Debug
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)
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endif()

‎cmake/SetInstallDirs.cmake

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message(STATUS "Setting Install Dirs")
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include(GNUInstallDirs)
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# Offer the user the choice of overriding the installation directories
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set(INSTALL_BIN_DIR
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${CMAKE_INSTALL_BINDIR}
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CACHE PATH "Installation directory for binaries"
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)
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set(INSTALL_LIB_DIR
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${CMAKE_INSTALL_LIBDIR}
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CACHE PATH "Installation directory for libraries"
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)
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set(INSTALL_INCLUDE_DIR
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${CMAKE_INSTALL_INCLUDEDIR}
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CACHE PATH "Installation directory for header files"
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)
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set(INSTALL_TRANTOR_CMAKE_DIR
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${CMAKE_INSTALL_LIBDIR}/cmake/Trantor
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CACHE PATH "Installation directory for cmake files"
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)
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if(BUILD_SHARED_LIBS
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AND (NOT
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"${CMAKE_INSTALL_PREFIX}/${INSTALL_LIB_DIR}"
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IN_LIST
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CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES
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)
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)
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set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/${INSTALL_LIB_DIR}")
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endif()

‎cmake/SetPackageConfig.cmake

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message(STATUS "Setting Package config")
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include(CMakePackageConfigHelpers)
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# Generating a Package Configuration File
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configure_package_config_file(
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cmake/templates/TrantorConfig.cmake.in ${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/TrantorConfig.cmake
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INSTALL_DESTINATION ${INSTALL_TRANTOR_CMAKE_DIR}
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)
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# Generating a Package Version File
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write_basic_package_version_file(
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${CMAKE_CURRENT_BINARY_DIR}/TrantorConfigVersion.cmake
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VERSION ${TRANTOR_VERSION}
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COMPATIBILITY SameMajorVersion
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)

‎cmake/SetSpdlog.cmake

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message(STATUS "Setting for spdlog: ${TRANTOR_USE_SPDLOG}")
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if(TRANTOR_USE_SPDLOG)
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target_compile_definitions(${PROJECT_NAME} PUBLIC TRANTOR_SPDLOG_SUPPORT)
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if(BUILD_DEPENDENCIES)
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target_include_directories(
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${PROJECT_NAME}
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PRIVATE
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PUBLIC $<BUILD_INTERFACE:${spdlog_SOURCE_DIR}/include> $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
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)
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else()
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find_package(spdlog REQUIRED)
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target_link_libraries(${PROJECT_NAME} PUBLIC spdlog::spdlog)
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target_compile_definitions(${PROJECT_NAME} PUBLIC TRANTOR_SPDLOG_SUPPORT SPDLOG_FMT_EXTERNAL SPDLOG_FMT_EXTERNAL_HO)
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endif()
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endif()

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