1libcoap_src = pdu.c net.c debug.c encode.c uri.c subscribe.c resource.c hashkey.c str.c option.c async.c block.c mem.c coap_io.c 2 3libcoap_dir := $(filter %libcoap,$(APPDS)) 4vpath %c $(libcoap_dir)/src 5 6# set include path for coap sources 7CFLAGS += -I$(libcoap_dir)/include/coap -DCOAP_RESOURCES_NOHASH 8