er-coap_src = er-coap.c er-coap-engine.c er-coap-transactions.c      \
  er-coap-observe.c er-coap-separate.c er-coap-res-well-known-core.c \
  er-coap-block1.c er-coap-observe-client.c

# Erbium will implement the REST Engine
CFLAGS += -DREST=coap_rest_implementation

ifeq ($(WITH_DTLS_COAP),1)
er-coap_src += er-coap-dtls.c

# Load tinydtls
APPS += tinydtls
$(CONTIKI)/apps/tinydtls/Makefile.tinydtls:
	@echo "    You should run 'git submodule update --init' to clone 'app/tinydtls'"
	@exit 1
include $(CONTIKI)/apps/tinydtls/Makefile.tinydtls
PROJECTDIRS+=$(CONTIKI)/apps/tinydtls/aes $(CONTIKI)/apps/tinydtls/sha2 $(CONTIKI)/apps/tinydtls/ecc

else
er-coap_src += er-coap-udp.c
endif