Merge pull request #18 from llamerada-jp/add-libsioclient_tls-to-cmake

Fix installation issue with TLS

CMakeLists.txt

@@ -31,6 +31,7 @@ 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})
+list(APPEND TARGET_LIBRARIES sioclient)
 
 find_package(OpenSSL)
 if(OPENSSL_FOUND)
@@ -46,14 +47,15 @@ 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)
+list(APPEND TARGET_LIBRARIES sioclient_tls)
 
 endif()
 
 install(FILES ${ALL_HEADERS} 
     DESTINATION "${CMAKE_CURRENT_LIST_DIR}/build/include"
 )
 
-install(TARGETS sioclient
+install(TARGETS ${TARGET_LIBRARIES}
     DESTINATION "${CMAKE_CURRENT_LIST_DIR}/build/lib/${CMAKE_BUILD_TYPE}"
 )