BOARD ?= qemu_x86 ifeq ($(BOARD),bbc_microbit) CONF_FILE ?= microbit.conf else ifeq ($(BOARD),nrf51_blenano) CONF_FILE ?= nrf51-16k.conf else CONF_FILE ?= prj.conf endif QEMU_EXTRA_FLAGS = -serial unix:/tmp/bt-server-bredr -s include $(ZEPHYR_BASE)/Makefile.inc