simplify the cmake script and add tls target

CMakeLists.txt

@@ -1,54 +1,6 @@
 cmake_minimum_required(VERSION 3.1.0 FATAL_ERROR)
 PROJECT(sioclient)
 
-function(get_lib_name out_lib_name component)
-if(MSVC)
-set(${out_lib_name} "${component}.lib" PARENT_SCOPE)
-else()
-set(${out_lib_name} "lib${component}.a" PARENT_SCOPE)
-endif()
-endfunction()
-
-function(install_debug_libs lib_dir)
-get_lib_name(renamed_system "boost_system")
-install(FILES ${Boost_SYSTEM_LIBRARY_DEBUG}
-    CONFIGURATIONS "Debug" DESTINATION ${lib_dir} RENAME ${renamed_system}
-)
-get_lib_name(renamed_date_time "boost_date_time")
-install(FILES ${Boost_DATE_TIME_LIBRARY_DEBUG}
-    CONFIGURATIONS "Debug" DESTINATION ${lib_dir} RENAME ${renamed_date_time}
-)
-get_lib_name(renamed_random "boost_random")
-install(FILES ${Boost_RANDOM_LIBRARY_DEBUG}
-    CONFIGURATIONS "Debug" DESTINATION ${lib_dir} RENAME ${renamed_random}
-)
-
-install(TARGETS sioclient
-    CONFIGURATIONS "Debug" DESTINATION ${lib_dir}
-)
-endfunction()
-
-function(install_release_libs lib_dir)
-get_lib_name(renamed_system "boost_system")
-install(FILES ${Boost_SYSTEM_LIBRARY_RELEASE}
-    CONFIGURATIONS "Release" DESTINATION ${lib_dir} RENAME ${renamed_system}
-)
-get_lib_name(renamed_date_time "boost_date_time")
-install(FILES ${Boost_DATE_TIME_LIBRARY_RELEASE}
-    CONFIGURATIONS "Release" DESTINATION ${lib_dir} RENAME ${renamed_date_time}
-)
-get_lib_name(renamed_random "boost_random")
-install(FILES ${Boost_RANDOM_LIBRARY_RELEASE}
-    CONFIGURATIONS "Release" DESTINATION ${lib_dir} RENAME ${renamed_random}
-)
-
-install(TARGETS sioclient
-    CONFIGURATIONS "Release" DESTINATION ${lib_dir}
-)
-endfunction()
-
-
-MESSAGE(STATUS ${CMAKE_CURRENT_LIST_DIR})
 if(NOT CMAKE_BUILD_TYPE )
 MESSAGE(STATUS "not define build type, set to release" )
 set(CMAKE_BUILD_TYPE Release )
@@ -67,7 +19,7 @@ find_package(Boost ${BOOST_VER} REQUIRED COMPONENTS system date_time random)
 aux_source_directory(${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 )
-MESSAGE(STATUS ${ALL_HEADERS} )
+set(SIO_INCLUDEDIR ${CMAKE_CURRENT_LIST_DIR})
 
 add_library(sioclient STATIC ${ALL_SRC}) 
 target_include_directories(sioclient PRIVATE ${Boost_INCLUDE_DIRS} 
@@ -79,12 +31,32 @@ target_include_directories(sioclient PRIVATE ${Boost_INCLUDE_DIRS}
 set_property(TARGET sioclient PROPERTY CXX_STANDARD 11)
 set_property(TARGET sioclient PROPERTY CXX_STANDARD_REQUIRED ON)
 target_link_libraries(sioclient PRIVATE ${Boost_LIBRARIES})
+
+find_package(OpenSSL)
+if(OPENSSL_FOUND)
+add_library(sioclient_tls STATIC ${ALL_SRC})
+target_include_directories(sioclient_tls PRIVATE ${Boost_INCLUDE_DIRS} 
+    ${CMAKE_CURRENT_LIST_DIR}/src 
+    ${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 PRIVATE ${Boost_LIBRARIES} ${OPENSSL_LIBRARIES} )
+target_compile_definitions(sioclient_tls PRIVATE -DSIO_TLS)
+
+endif()
+
 install(FILES ${ALL_HEADERS} 
     DESTINATION "${CMAKE_CURRENT_LIST_DIR}/build/include"
-    )
+)
 
-if(CMAKE_BUILD_TYPE STREQUAL "Debug")
-install_debug_libs("${CMAKE_CURRENT_LIST_DIR}/build/lib/${CMAKE_BUILD_TYPE}" )
-else()
-install_release_libs("${CMAKE_CURRENT_LIST_DIR}/build/lib/${CMAKE_BUILD_TYPE}" )
-endif()
+install(TARGETS sioclient
+    DESTINATION "${CMAKE_CURRENT_LIST_DIR}/build/lib/${CMAKE_BUILD_TYPE}"
+)
+
+install(FILES ${Boost_LIBRARIES} 
+    DESTINATION "${CMAKE_CURRENT_LIST_DIR}/build/lib/${CMAKE_BUILD_TYPE}"
+)