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	@$(NM) -n $< > $@
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	@$(NM) -n $< > $@
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# Link: create ELF output file from object files.
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# Link: create ELF output file from object files.
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.SECONDARY : $(TARGET).elf
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.SECONDARY : $(TARGET).elf
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.PRECIOUS : $(OBJ)
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.PRECIOUS : $(OBJ)
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# GCC bug workaround:
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# The compiler driver adds '-Tdata 0x800100' to the ld command line for some
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# AVRs, making it impossible to override the .data placement with a
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# subsequent -Tdata option. Detect the broken case and re-run ld with the
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ifneq (,$(filter atmega88 atmega168, $(MCU)))
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# correct .data location substituted.
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%.elf: $(OBJ)
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%.elf: $(OBJ)
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	@echo $(MSG_LINKING) $@
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	@echo $(MSG_LINKING) $@
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	@echo GCC bug workaround for ATmega88/ATmega168:
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	@eval $$($(CC) -v $(CFLAGS) -o $@ $^ $(LDFLAGS) 2>&1 | $(AWK) '{ if (gsub("0x800100","$(BIOS_RAM_END)") == 1) print }')
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	@eval $$($(CC) -v $(CFLAGS) -o $@ $^ $(LDFLAGS) 2>&1 | $(AWK) '{ if (gsub("0x800100","$(BIOS_RAM_END)") == 1) print }')
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else
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%.elf: $(OBJ)
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	@echo $(MSG_LINKING) $@
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	@$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS)
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endif
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# Compile: create object files from C source files.
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# Compile: create object files from C source files.
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%.o : %.c
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%.o : %.c
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	@echo $(MSG_COMPILING) $<
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	@echo $(MSG_COMPILING) $<
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	@$(CC) -c $(CFLAGS) $< -o $@
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	@$(CC) -c $(CFLAGS) $< -o $@