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