CMakeLists.txt

cmake_minimum_required(VERSION 3.1.0 FATAL_ERROR)
PROJECT(sioclient)

option(BUILD_SHARED_LIBS "Build the shared library" OFF)

set(MAJOR 1)
set(MINOR 6)
set(PATCH 0)

if(NOT CMAKE_BUILD_TYPE )
    MESSAGE(STATUS "not define build type, set to release" )
    set(CMAKE_BUILD_TYPE Release )
elseif(NOT (${CMAKE_BUILD_TYPE} STREQUAL "Release" OR ${CMAKE_BUILD_TYPE} STREQUAL "Debug" ))
    MESSAGE(SEND_ERROR "CMAKE_BUILD_TYPE must be either Release or Debug")
    return()
endif()

aux_source_directory(${CMAKE_CURRENT_LIST_DIR}/src ALL_SRC)
aux_source_directory(${CMAKE_CURRENT_LIST_DIR}/src/internal ALL_SRC)
file(GLOB ALL_HEADERS ${CMAKE_CURRENT_LIST_DIR}/src/*.h )
set(SIO_INCLUDEDIR ${CMAKE_CURRENT_LIST_DIR})

add_library(sioclient ${ALL_SRC})
target_include_directories(sioclient PUBLIC ${CMAKE_CURRENT_LIST_DIR}/src
    ${CMAKE_CURRENT_LIST_DIR}/lib/asio/asio/include
    ${CMAKE_CURRENT_LIST_DIR}/lib/websocketpp
    ${CMAKE_CURRENT_LIST_DIR}/lib/rapidjson/include
)

set_property(TARGET sioclient PROPERTY CXX_STANDARD 11)
set_property(TARGET sioclient PROPERTY CXX_STANDARD_REQUIRED ON)
target_link_libraries(sioclient)
if(BUILD_SHARED_LIBS)
    set_target_properties(sioclient
        PROPERTIES
            SOVERSION ${MAJOR}
            VERSION ${MAJOR}.${MINOR}.${PATCH}
        )
endif()
list(APPEND TARGET_LIBRARIES sioclient)

find_package(OpenSSL)
if(OPENSSL_FOUND)
    add_library(sioclient_tls ${ALL_SRC})
    target_include_directories(sioclient_tls PUBLIC ${CMAKE_CURRENT_LIST_DIR}/src
        ${CMAKE_CURRENT_LIST_DIR}/lib/asio/asio/include
        ${CMAKE_CURRENT_LIST_DIR}/lib/websocketpp
        ${CMAKE_CURRENT_LIST_DIR}/lib/rapidjson/include
        ${OPENSSL_INCLUDE_DIR}
    )

    set_property(TARGET sioclient_tls PROPERTY CXX_STANDARD 11)
    set_property(TARGET sioclient_tls PROPERTY CXX_STANDARD_REQUIRED ON)
    target_link_libraries(sioclient_tls PUBLIC ${OPENSSL_LIBRARIES})
    target_compile_definitions(sioclient_tls PRIVATE -DSIO_TLS)
    if(BUILD_SHARED_LIBS)
        set_target_properties(sioclient_tls
            PROPERTIES
                SOVERSION ${MAJOR}
                VERSION ${MAJOR}.${MINOR}.${PATCH}
            )
    endif()
    list(APPEND TARGET_LIBRARIES sioclient_tls)

endif()

install(FILES ${ALL_HEADERS}
    DESTINATION "${CMAKE_CURRENT_LIST_DIR}/build/include"
)

install(TARGETS ${TARGET_LIBRARIES}
    DESTINATION "${CMAKE_CURRENT_LIST_DIR}/build/lib/${CMAKE_BUILD_TYPE}"
)

install(FILES ${Boost_LIBRARIES}
    DESTINATION "${CMAKE_CURRENT_LIST_DIR}/build/lib/${CMAKE_BUILD_TYPE}"
)