cmake HAVE_MQTT examples

john30/ebusd CMakeLists.txt :93 

find_library(HAVE_MQTT mosquitto)

john30/ebusd CMakeLists.txt :99 

unset(HAVE_MQTT)

john30/ebusd CMakeLists.txt :101 

endif(HAVE_MQTT)

john30/ebusd CMakeLists.txt :190 

endif(HAVE_MQTT)

john30/ebusd src/ebusd/CMakeLists.txt :17 

endif(HAVE_MQTT)