ifeq ($(USE_SMART_BUILD),yes) ifneq ($(findstring HAL_USE_MAC TRUE,$(HALCONF)),) PLATFORMSRC += $(CHIBIOS)/os/hal/ports/SAMA/LLD/MACv1/hal_mac_lld.c endif else PLATFORMSRC += $(CHIBIOS)/os/hal/ports/SAMA/LLD/MACv1/hal_mac_lld.c endif PLATFORMINC += $(CHIBIOS)/os/hal/ports/SAMA/LLD/MACv1