30 lines
615 B
Makefile
30 lines
615 B
Makefile
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SRCS = $(shell find -name '*.[cS]')
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OBJS = $(addsuffix .o,$(basename $(SRCS)))
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CC = gcc
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LD = ld
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# define nullptr, but not NULL.
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CFLAGS = -m32 -Dnullptr=0
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ASFLAGS =
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CCFLAGS = -g -std=c11 -Wall -g -fno-stack-protector -ffreestanding
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LDFLAGS = -g -melf_i386 -Tkernel.ld
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kernel: $(OBJS)
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$(LD) $(LDFLAGS) -o $@ $(addprefix obj/, $(notdir $^))
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%.o: %.c
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$(CC) $(CFLAGS) $(CCFLAGS) -c -o $(addprefix obj/, $(notdir $@)) $^
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%.o: %.S
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$(CC) $(CFLAGS) $(ASFLAGS) -c -o $(addprefix obj/, $(notdir $@)) $^
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clean:
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rm $(addprefix obj/, $(notdir $(OBJS)))
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run:
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qemu-system-i386 -kernel kernel
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.PHONY: clean
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.PHONY: run
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