makefile

来自「这是一个不到2000行的操作系统」· 代码 · 共 25 行

CROSSCOMPILE := arm-linux-

#CFLAGS 	:= -Wall -Wstrict-prototypes -ffreestanding -c
CFLAGS 	:= -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer -ffreestanding -c
CPPFLAGS   	:= -I$(INCLUDEDIR)
LDFLAGS 	:= 

CC 	:= $(CROSSCOMPILE)gcc
LD 	:= $(CROSSCOMPILE)ld
OBJCOPY 	:= $(CROSSCOMPILE)objcopy
OBJDUMP 	:= $(CROSSCOMPILE)objdump


leds : crt0.s  main.c lib.c lib.h
	$(CC) $(CFLAGS) -o crt0.o crt0.s
	$(CC) $(CFLAGS) -o main.o main.c
	$(CC) $(CFLAGS) -o lib.o lib.c
	$(LD) -Tusr.lds  crt0.o lib.o main.o -o leds_tmp.o
	$(OBJCOPY) -O binary -S leds_tmp.o leds
	$(OBJDUMP) -D -b binary -m arm  leds > disassemble.s
	cp -f leds ../
clean:
	rm -f   leds *.o