if(OSSIA_USE_SYSTEM_LIBRARIES) find_package(async-mqtt5 CONFIG GLOBAL) endif() if(NOT TARGET Async::MQTT5) add_library(async_mqtt5 INTERFACE IMPORTED GLOBAL) target_include_directories(async_mqtt5 INTERFACE "$" ) if(TARGET Boost::boost) target_link_libraries(async_mqtt5 INTERFACE $) elseif(TARGET boost) target_link_libraries(async_mqtt5 INTERFACE $) endif() add_library(Async::MQTT5 ALIAS async_mqtt5) endif()