CROSS_COMPILE:=arm-linux-gnueabihf- AS:=$(CROSS_COMPILE)as CC:=$(CROSS_COMPILE)gcc STRIP:=$(CROSS_COMPILE)strip .PHONY: all: AppMain.bin m4_loader.bin .PHONY: clean: @rm -f *.bin *.elf AppMain.bin: @$(AS) main.S -o main.elf @./extract.py -p main.elf AppMain.bin m4_loader.bin: @$(AS) m4_loader.S -mcpu=cortex-m4 -o m4_loader.elf @./extract.py -p m4_loader.elf m4_loader.bin