ifdef CONFIG_ZOAP include $(srctree)/subsys/net/lib/zoap/Makefile endif ifdef CONFIG_DNS_RESOLVER include $(srctree)/subsys/net/lib/dns/Makefile endif ifdef CONFIG_MQTT_LIB include $(srctree)/subsys/net/lib/mqtt/Makefile endif ifdef CONFIG_HTTP_PARSER include $(srctree)/subsys/net/lib/http/Makefile endif