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Update websocketpp and fix c++20 compliance #1216
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,282 @@ | ||
| add_library(websocketpp INTERFACE) | ||
| target_include_directories(websocketpp INTERFACE .) | ||
| target_link_libraries(websocketpp INTERFACE asio) | ||
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| ############ Setup project and cmake | ||
| # Minimum cmake requirement. We should require a quite recent | ||
| # cmake for the dependency find macros etc. to be up to date. | ||
| cmake_minimum_required (VERSION 2.8.8) | ||
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| ############ Paths | ||
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| set (WEBSOCKETPP_ROOT ${CMAKE_CURRENT_SOURCE_DIR}) | ||
| set (WEBSOCKETPP_INCLUDE ${WEBSOCKETPP_ROOT}/websocketpp) | ||
| set (WEBSOCKETPP_BUILD_ROOT ${CMAKE_CURRENT_BINARY_DIR}) | ||
| set (WEBSOCKETPP_BIN ${WEBSOCKETPP_BUILD_ROOT}/bin) | ||
| set (WEBSOCKETPP_LIB ${WEBSOCKETPP_BUILD_ROOT}/lib) | ||
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| # CMake install step prefix. I assume linux users want the prefix to | ||
| # be the default /usr or /usr/local so this is only adjusted on Windows. | ||
| # This must be set prior to any call to project or it will not be read correctly. | ||
| # - Windows: Build the INSTALL project in your solution file. | ||
| # - Linux/OSX: make install. | ||
| if (WIN32) | ||
| set (CMAKE_INSTALL_PREFIX "${WEBSOCKETPP_ROOT}/install" CACHE PATH "") | ||
| endif () | ||
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||
| ############ Project name and version | ||
| set (WEBSOCKETPP_MAJOR_VERSION 0) | ||
| set (WEBSOCKETPP_MINOR_VERSION 8) | ||
| set (WEBSOCKETPP_PATCH_VERSION 2) | ||
| set (WEBSOCKETPP_VERSION ${WEBSOCKETPP_MAJOR_VERSION}.${WEBSOCKETPP_MINOR_VERSION}.${WEBSOCKETPP_PATCH_VERSION}) | ||
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| if(POLICY CMP0048) | ||
| cmake_policy(GET CMP0048 _version_policy) | ||
| endif() | ||
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| if(_version_allowed STREQUAL NEW) | ||
| project (websocketpp VERSION ${WEBSOCKETPP_VERSION}) | ||
| else() | ||
| project (websocketpp) | ||
| endif() | ||
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| set_property(GLOBAL PROPERTY USE_FOLDERS ON) | ||
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| set(INSTALL_INCLUDE_DIR include CACHE PATH "Installation directory for header files") | ||
| if (WIN32 AND NOT CYGWIN) | ||
| set (DEF_INSTALL_CMAKE_DIR cmake) | ||
| else () | ||
| set (DEF_INSTALL_CMAKE_DIR lib/cmake/websocketpp) | ||
| endif () | ||
| set (INSTALL_CMAKE_DIR ${DEF_INSTALL_CMAKE_DIR} CACHE PATH "Installation directory for CMake files") | ||
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||
| # Make relative paths absolute (needed later on) | ||
| foreach (p INCLUDE CMAKE) | ||
| set (var INSTALL_${p}_DIR) | ||
| if (NOT IS_ABSOLUTE "${${var}}") | ||
| set (${var} "${CMAKE_INSTALL_PREFIX}/${${var}}") | ||
| endif () | ||
| endforeach () | ||
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||
| # Set CMake library search policy | ||
| if (COMMAND cmake_policy) | ||
| cmake_policy (SET CMP0003 NEW) | ||
| cmake_policy (SET CMP0005 NEW) | ||
| endif () | ||
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||
| # Disable unnecessary build types | ||
| set (CMAKE_CONFIGURATION_TYPES "Release;RelWithDebInfo;Debug" CACHE STRING "Configurations" FORCE) | ||
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| # Include our cmake macros | ||
| set (CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/cmake) | ||
| include (CMakeHelpers) | ||
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| ############ Build customization | ||
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| # Override from command line "CMake -D<OPTION>=TRUE/FALSE/0/1/ON/OFF" | ||
| option (ENABLE_CPP11 "Build websocketpp with CPP11 features enabled." TRUE) | ||
| option (BUILD_EXAMPLES "Build websocketpp examples." FALSE) | ||
| option (BUILD_TESTS "Build websocketpp tests." FALSE) | ||
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| if (BUILD_TESTS OR BUILD_EXAMPLES) | ||
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| enable_testing () | ||
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| ############ Compiler specific setup | ||
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| set (WEBSOCKETPP_PLATFORM_LIBS "") | ||
| set (WEBSOCKETPP_PLATFORM_TLS_LIBS "") | ||
| set (WEBSOCKETPP_BOOST_LIBS "") | ||
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||
| # VC9 and C++11 reasoning | ||
| if (ENABLE_CPP11 AND MSVC AND MSVC90) | ||
| message("* Detected Visual Studio 9 2008, disabling C++11 support.") | ||
| set (ENABLE_CPP11 FALSE) | ||
| endif () | ||
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||
| # Detect clang. Not officially reported by cmake. | ||
| execute_process(COMMAND "${CMAKE_CXX_COMPILER}" "-v" ERROR_VARIABLE CXX_VER_STDERR) | ||
| if ("${CXX_VER_STDERR}" MATCHES ".*clang.*") | ||
| set (CMAKE_COMPILER_IS_CLANGXX 1) | ||
| endif () | ||
|
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||
| # C++11 defines | ||
| if (ENABLE_CPP11) | ||
| if (MSVC) | ||
| add_definitions (-D_WEBSOCKETPP_CPP11_FUNCTIONAL_) | ||
| add_definitions (-D_WEBSOCKETPP_CPP11_SYSTEM_ERROR_) | ||
| add_definitions (-D_WEBSOCKETPP_CPP11_RANDOM_DEVICE_) | ||
| add_definitions (-D_WEBSOCKETPP_CPP11_MEMORY_) | ||
| else() | ||
| add_definitions (-D_WEBSOCKETPP_CPP11_STL_) | ||
| endif() | ||
| endif () | ||
|
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||
| # Visual studio | ||
| if (MSVC) | ||
| set (WEBSOCKETPP_BOOST_LIBS system thread) | ||
| set (CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /GL /Gy /GF /Ox /Ob2 /Ot /Oi /MP /arch:SSE2 /fp:fast") | ||
| set (CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} /LTCG /INCREMENTAL:NO /OPT:REF /OPT:ICF") | ||
| add_definitions (/W3 /wd4996 /wd4995 /wd4355) | ||
| add_definitions (-DUNICODE -D_UNICODE) | ||
| add_definitions (-D_CRT_SECURE_NO_WARNINGS -D_SCL_SECURE_NO_WARNINGS) | ||
| add_definitions (-DNOMINMAX) | ||
| endif () | ||
|
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||
| # g++ | ||
| if (CMAKE_COMPILER_IS_GNUCXX) | ||
| if (NOT APPLE) | ||
| set (WEBSOCKETPP_PLATFORM_LIBS pthread rt) | ||
| else() | ||
| set (WEBSOCKETPP_PLATFORM_LIBS pthread) | ||
| endif() | ||
| set (WEBSOCKETPP_PLATFORM_TLS_LIBS ssl crypto) | ||
| set (WEBSOCKETPP_BOOST_LIBS system thread) | ||
| set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x") | ||
| if (NOT APPLE) | ||
| add_definitions (-DNDEBUG -Wall -Wcast-align) # todo: should we use CMAKE_C_FLAGS for these? | ||
| endif () | ||
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| # Try to detect version. Note: Not tested! | ||
| execute_process (COMMAND ${CMAKE_CXX_COMPILER} "-dumpversion" OUTPUT_VARIABLE GCC_VERSION) | ||
| if ("${GCC_VERSION}" STRGREATER "4.4.0") | ||
| message("* C++11 support partially enabled due to GCC version ${GCC_VERSION}") | ||
| set (WEBSOCKETPP_BOOST_LIBS system thread) | ||
| endif () | ||
| endif () | ||
|
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||
| # clang | ||
| if (CMAKE_COMPILER_IS_CLANGXX) | ||
| if (NOT APPLE) | ||
| set (WEBSOCKETPP_PLATFORM_LIBS pthread rt) | ||
| else() | ||
| set (WEBSOCKETPP_PLATFORM_LIBS pthread) | ||
| endif() | ||
| set (WEBSOCKETPP_PLATFORM_TLS_LIBS ssl crypto) | ||
| set (WEBSOCKETPP_BOOST_LIBS system thread) | ||
| set (CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} "-std=c++0x -stdlib=libc++") # todo: is libc++ really needed here? | ||
| if (NOT APPLE) | ||
| add_definitions (-DNDEBUG -Wall -Wno-padded) # todo: should we use CMAKE_C_FLAGS for these? | ||
| endif () | ||
| endif () | ||
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| # OSX, can override above. | ||
| if (APPLE) | ||
| add_definitions (-DNDEBUG -Wall) | ||
| endif () | ||
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| if (BUILD_EXAMPLES) | ||
| list (APPEND WEBSOCKETPP_BOOST_LIBS random) | ||
| endif() | ||
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| if (BUILD_TESTS) | ||
| list (APPEND WEBSOCKETPP_BOOST_LIBS unit_test_framework) | ||
| endif() | ||
|
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| ############ Dependencies | ||
|
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| # Set BOOST_ROOT env variable or pass with cmake -DBOOST_ROOT=path. | ||
| # BOOST_ROOT can also be defined by a previous run from cmake cache. | ||
| if (NOT "$ENV{BOOST_ROOT_CPP11}" STREQUAL "") | ||
| # Scons documentation for BOOST_ROOT_CPP11: | ||
| # "look for optional second boostroot compiled with clang's libc++ STL library | ||
| # this prevents warnings/errors when linking code built with two different | ||
| # incompatible STL libraries." | ||
| file (TO_CMAKE_PATH "$ENV{BOOST_ROOT_CPP11}" BOOST_ROOT) | ||
| set (BOOST_ROOT ${BOOST_ROOT} CACHE PATH "BOOST_ROOT dependency path" FORCE) | ||
| endif () | ||
| if ("${BOOST_ROOT}" STREQUAL "") | ||
| file (TO_CMAKE_PATH "$ENV{BOOST_ROOT}" BOOST_ROOT) | ||
| # Cache BOOST_ROOT for runs that do not define $ENV{BOOST_ROOT}. | ||
| set (BOOST_ROOT ${BOOST_ROOT} CACHE PATH "BOOST_ROOT dependency path" FORCE) | ||
| endif () | ||
|
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| message ("* Configuring Boost") | ||
| message (STATUS "-- Using BOOST_ROOT") | ||
| message (STATUS " " ${BOOST_ROOT}) | ||
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||
| if (MSVC) | ||
| set (Boost_USE_MULTITHREADED TRUE) | ||
| set (Boost_USE_STATIC_LIBS TRUE) | ||
| else () | ||
| set (Boost_USE_MULTITHREADED FALSE) | ||
| set (Boost_USE_STATIC_LIBS FALSE) | ||
| endif () | ||
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| if (BOOST_STATIC) | ||
| set (Boost_USE_STATIC_LIBS TRUE) | ||
| endif () | ||
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| if (NOT Boost_USE_STATIC_LIBS) | ||
| add_definitions (-DBOOST_TEST_DYN_LINK) | ||
| endif () | ||
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| set (Boost_FIND_REQUIRED TRUE) | ||
| set (Boost_FIND_QUIETLY TRUE) | ||
| set (Boost_DEBUG FALSE) | ||
| set (Boost_USE_MULTITHREADED TRUE) | ||
| set (Boost_ADDITIONAL_VERSIONS "1.39.0" "1.40.0" "1.41.0" "1.42.0" "1.43.0" "1.44.0" "1.46.1") # todo: someone who knows better spesify these! | ||
|
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| find_package (Boost 1.39.0 COMPONENTS "${WEBSOCKETPP_BOOST_LIBS}") | ||
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| if (Boost_FOUND) | ||
| # Boost is a project wide global dependency. | ||
| include_directories (${Boost_INCLUDE_DIRS}) | ||
| link_directories (${Boost_LIBRARY_DIRS}) | ||
|
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||
| # Pretty print status | ||
| message (STATUS "-- Include Directories") | ||
| foreach (include_dir ${Boost_INCLUDE_DIRS}) | ||
| message (STATUS " " ${include_dir}) | ||
| endforeach () | ||
| message (STATUS "-- Library Directories") | ||
| foreach (library_dir ${Boost_LIBRARY_DIRS}) | ||
| message (STATUS " " ${library_dir}) | ||
| endforeach () | ||
| message (STATUS "-- Libraries") | ||
| foreach (boost_lib ${Boost_LIBRARIES}) | ||
| message (STATUS " " ${boost_lib}) | ||
| endforeach () | ||
| message ("") | ||
| else () | ||
| message (FATAL_ERROR "Failed to find required dependency: boost") | ||
| endif () | ||
|
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| find_package(OpenSSL) | ||
| find_package(ZLIB) | ||
| endif() | ||
|
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| ############ Add projects | ||
|
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| # Add main library | ||
| add_subdirectory (websocketpp) | ||
|
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| # Add examples | ||
| if (BUILD_EXAMPLES) | ||
| include_subdirs ("examples") | ||
| endif () | ||
|
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| # Add tests | ||
| if (BUILD_TESTS) | ||
| include_subdirs ("test") | ||
| endif () | ||
|
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| print_used_build_config() | ||
|
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| export (PACKAGE websocketpp) | ||
|
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| include(CMakePackageConfigHelpers) | ||
| configure_package_config_file(websocketpp-config.cmake.in | ||
| "${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/websocketpp-config.cmake" | ||
| PATH_VARS INSTALL_INCLUDE_DIR | ||
| INSTALL_DESTINATION "${INSTALL_CMAKE_DIR}" | ||
| NO_CHECK_REQUIRED_COMPONENTS_MACRO | ||
| ) | ||
| write_basic_package_version_file("${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/websocketpp-configVersion.cmake" | ||
| VERSION ${WEBSOCKETPP_VERSION} | ||
| COMPATIBILITY ExactVersion) | ||
|
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| # Install the websocketpp-config.cmake and websocketpp-configVersion.cmake | ||
| install (FILES | ||
| "${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/websocketpp-config.cmake" | ||
| "${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/websocketpp-configVersion.cmake" | ||
| DESTINATION "${INSTALL_CMAKE_DIR}" COMPONENT dev) | ||
|
|
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