ifeq ($(USE_SMART_BUILD),yes)
ifneq ($(findstring HAL_USE_CRC TRUE,$(HALCONF)),)
PLATFORMSRC += $(CHIBIOS)/os/hal/ports/AVR/XMEGA/LLD/CRCv1/hal_crc_lld.c
PLATFORMSRC += $(CHIBIOS)/os/hal/ports/AVR/XMEGA/LLD/CRCv1/hal_crc.c
endif
else
PLATFORMSRC += $(CHIBIOS)/os/hal/ports/AVR/XMEGA/LLD/CRCv1/hal_crc_lld.c
PLATFORMSRC += $(CHIBIOS)/os/hal/ports/AVR/XMEGA/LLD/CRCv1/hal_crc.c
endif

PLATFORMINC += $(CHIBIOS)/os/hal/ports/AVR/XMEGA/LLD/CRCv1