ifdef MSG_SIZE
PFLAGS += -DTOSH_DATA_LENGTH=$(MSG_SIZE)
endif
+ifdef DEFAULT_LOCAL_GROUP
+PFLAGS += -DDEFINED_TOS_AM_GROUP=$(DEFAULT_LOCAL_GROUP)
+endif
AVRGCCMAJOR = $(shell avr-gcc -v 2>&1 | grep "gcc version" | sed -n 's/gcc version \([2-5]\)\.\([0-9]\)\.\([0-9]\).*/\1/p')
ifeq ($(AVRGCCMAJOR),4)