45 lines
1.1 KiB
Makefile
45 lines
1.1 KiB
Makefile
SRC_S += $(SRC_S_IAR)
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# Assembly files can be name with upper case .S, convert it to .s
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SRC_S := $(SRC_S:.S=.s)
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# Due to GCC LTO bug https://bugs.launchpad.net/gcc-arm-embedded/+bug/1747966
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# assembly file should be placed first in linking order
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# '_asm' suffix is added to object of assembly file
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OBJ += $(addprefix $(BUILD)/obj/, $(SRC_S:.s=_asm.o))
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OBJ += $(addprefix $(BUILD)/obj/, $(SRC_C:.c=.o))
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# Linker script
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LDFLAGS += --config $(TOP)/$(LD_FILE_IAR)
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# ---------------------------------------
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# Rules
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# ---------------------------------------
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# Compile .c file
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$(BUILD)/obj/%.o: %.c
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@echo CC $(notdir $@)
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@$(CC) $(CFLAGS) -c -o $@ $<
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# ASM sources lower case .s
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$(BUILD)/obj/%_asm.o: %.s
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@echo AS $(notdir $@)
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@$(AS) $(ASFLAGS) -c -o $@ $<
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# ASM sources upper case .S
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$(BUILD)/obj/%_asm.o: %.S
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@echo AS $(notdir $@)
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@$(AS) $(ASFLAGS) -c -o $@ $<
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$(BUILD)/$(PROJECT).bin: $(BUILD)/$(PROJECT).elf
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@echo CREATE $@
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@$(OBJCOPY) --bin $^ $@
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$(BUILD)/$(PROJECT).hex: $(BUILD)/$(PROJECT).elf
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@echo CREATE $@
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@$(OBJCOPY) --ihex $^ $@
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$(BUILD)/$(PROJECT).elf: $(OBJ)
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@echo LINK $@
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@$(LD) -o $@ $(LDFLAGS) $^
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