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endif
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endif
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# Optimization level, can be [0, 1, 2, 3, s]. 0 turns off optimization.
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# Optimization level, can be [0, 1, 2, 3, s]. 0 turns off optimization.
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# (Note: 3 is not always the best optimization level. See avr-libc FAQ.)
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# (Note: 3 is not always the best optimization level. See avr-libc FAQ.)
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OPT = 2
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OPT = s
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##########################################################################################################
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##########################################################################################################
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#CFLAGS += -std=c89
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#CFLAGS += -std=c89
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#CFLAGS += -std=gnu89
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#CFLAGS += -std=gnu89
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#CFLAGS += -std=c99
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#CFLAGS += -std=c99
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CFLAGS += -std=gnu99
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CFLAGS += -std=gnu99
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CFLAGS += $(CDEFS)
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CFLAGS += $(CDEFS)
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# shrink code size
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CFLAGS += -mtiny-stack
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#CFLAGS += -fno-inline-functions
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CFLAGS += -mcall-prologues
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CFLAGS += -DVERSION_MAJOR=$(VERSION_MAJOR) -DVERSION_MINOR=$(VERSION_MINOR) -DVERSION_PATCH=$(VERSION_PATCH) -DVERSION_SERIAL_MAJOR=$(VERSION_SERIAL_MAJOR) -DVERSION_SERIAL_MINOR=$(VERSION_SERIAL_MINOR) -DBOARD=$(BOARD) -DNC_I2C_COMPATIBLE=$(NC_I2C_COMPATIBLE)
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CFLAGS += -DVERSION_MAJOR=$(VERSION_MAJOR) -DVERSION_MINOR=$(VERSION_MINOR) -DVERSION_PATCH=$(VERSION_PATCH) -DVERSION_SERIAL_MAJOR=$(VERSION_SERIAL_MAJOR) -DVERSION_SERIAL_MINOR=$(VERSION_SERIAL_MINOR) -DBOARD=$(BOARD) -DNC_I2C_COMPATIBLE=$(NC_I2C_COMPATIBLE)
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ifeq ($(OPTION), HEADTRACKER)
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ifeq ($(OPTION), HEADTRACKER)
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CFLAGS += -DHEADTRACKER
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CFLAGS += -DHEADTRACKER
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REMOVE = rm -f
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REMOVE = rm -f
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COPY = cp
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COPY = cp
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HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
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HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
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ELFSIZE = $(SIZE) -A $(TARGET).elf
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ELFSIZE = $(SIZE) -A $(TARGET).elf
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LIMITS = $(SIZE) --mcu=$(MCU) -C $(TARGET).elf
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	@echo
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	@echo
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# Display size of file.
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# Display size of file.
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sizebefore:
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sizebefore:
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	@if [ -f $(TARGET).elf ]; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); echo; fi
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	@if [ -f $(TARGET).elf ]; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); $(LIMITS); echo; fi
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sizeafter:
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sizeafter: