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CMake

cmake_minimum_required(VERSION 3.1.0)
project(webcc)
option(WEBCC_ENABLE_LOG "Enable console logger?" ON)
option(WEBCC_ENABLE_SOAP "Enable SOAP support (need pugixml)?" ON)
option(WEBCC_BUILD_UNITTEST "Build unit test?" ON)
option(WEBCC_BUILD_EXAMPLE "Build examples?" ON)
set(WEBCC_LOG_LEVEL "VERB" CACHE STRING "Log level (VERB, INFO, WARN, ERRO or FATA)")
if(WEBCC_ENABLE_LOG)
add_definitions(-DWEBCC_ENABLE_LOG)
message(STATUS "WEBCC_LOG_LEVEL: ${WEBCC_LOG_LEVEL}")
# Add definition of WEBCC_LOG_LEVEL according variable WEBCC_LOG_LEVEL.
if(WEBCC_LOG_LEVEL MATCHES "^VERB$")
add_definitions(-DWEBCC_LOG_LEVEL=0)
elseif(WEBCC_LOG_LEVEL MATCHES "^INFO$")
add_definitions(-DWEBCC_LOG_LEVEL=1)
elseif(WEBCC_LOG_LEVEL MATCHES "^WARN$")
add_definitions(-DWEBCC_LOG_LEVEL=2)
elseif(WEBCC_LOG_LEVEL MATCHES "^ERRO$")
add_definitions(-DWEBCC_LOG_LEVEL=3)
elseif(WEBCC_LOG_LEVEL MATCHES "^FATA$")
add_definitions(-DWEBCC_LOG_LEVEL=4)
endif()
endif()
if(WEBCC_ENABLE_SOAP)
add_definitions(-DWEBCC_ENABLE_SOAP)
endif()
if(WEBCC_BUILD_UNITTEST)
enable_testing()
endif()
# Automatically detect _WIN32_WINNT for Asio.
# See: https://stackoverflow.com/a/40217291
if(WIN32)
macro(get_WIN32_WINNT version)
if(CMAKE_SYSTEM_VERSION)
set(ver ${CMAKE_SYSTEM_VERSION})
string(REGEX MATCH "^([0-9]+).([0-9])" ver ${ver})
string(REGEX MATCH "^([0-9]+)" verMajor ${ver})
# Check for Windows 10, b/c we'll need to convert to hex 'A'.
if("${verMajor}" MATCHES "10")
set(verMajor "A")
string(REGEX REPLACE "^([0-9]+)" ${verMajor} ver ${ver})
endif("${verMajor}" MATCHES "10")
# Remove all remaining '.' characters.
string(REPLACE "." "" ver ${ver})
# Prepend each digit with a zero.
string(REGEX REPLACE "([0-9A-Z])" "0\\1" ver ${ver})
set(${version} "0x${ver}")
endif(CMAKE_SYSTEM_VERSION)
endmacro(get_WIN32_WINNT)
get_WIN32_WINNT(ver)
# E.g., 0x0601 for Win7.
message(STATUS "_WIN32_WINNT=${ver}")
# Asio needs this!
add_definitions(-D_WIN32_WINNT=${ver})
endif()
if(WIN32)
# Disable warning on boost string algorithms.
add_definitions(-D_SCL_SECURE_NO_WARNINGS)
endif()
# C++ standard requirements.
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
# CMake 3.1.0+ required.
# See: https://stackoverflow.com/a/29871891
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads REQUIRED)
# Boost 1.66+ required.
set(Boost_USE_STATIC_LIBS ON)
set(Boost_USE_MULTITHREADED ON)
if(WIN32)
# TODO: Fix COMPONENTS on Windows.
find_package(Boost 1.66.0 REQUIRED)
else()
find_package(Boost 1.66.0 REQUIRED COMPONENTS system thread)
endif()
if(Boost_FOUND)
include_directories(${Boost_INCLUDE_DIRS})
link_directories(${Boost_LIBRARY_DIRS})
message(STATUS ${Boost_LIBRARIES})
endif()
# For including its own headers as "webcc/http_client.h".
include_directories(${PROJECT_SOURCE_DIR}/src)
# SOAP support needs pugixml to parse and create XML.
if(WEBCC_ENABLE_SOAP)
add_subdirectory(${PROJECT_SOURCE_DIR}/third_party/pugixml)
# For including pugixml as "pugixml/pugixml.hpp".
# TODO: Remove "pugixml" prefix?
include_directories(${PROJECT_SOURCE_DIR}/third_party)
endif()
add_subdirectory(src/webcc)
if(WEBCC_BUILD_EXAMPLE)
add_subdirectory(${PROJECT_SOURCE_DIR}/example/http/client)
add_subdirectory(${PROJECT_SOURCE_DIR}/example/http/async_client)
# REST example needs jsoncpp to parse and create JSON.
add_subdirectory(${PROJECT_SOURCE_DIR}/third_party/jsoncpp)
include_directories(${PROJECT_SOURCE_DIR}/third_party/jsoncpp)
add_subdirectory(${PROJECT_SOURCE_DIR}/example/rest/book_server)
add_subdirectory(${PROJECT_SOURCE_DIR}/example/rest/book_client)
add_subdirectory(${PROJECT_SOURCE_DIR}/example/rest/book_async_client)
if(WEBCC_ENABLE_SOAP)
add_subdirectory(${PROJECT_SOURCE_DIR}/example/soap/calc_server)
add_subdirectory(${PROJECT_SOURCE_DIR}/example/soap/calc_client)
endif()
endif()
if(WEBCC_BUILD_UNITTEST)
add_subdirectory(third_party/gtest)
add_subdirectory(unittest)
endif()