GCCPREFIX	?= $(shell if i386-jos-elf-objdump -i 2>&1 | grep '^elf32-i386$$' >/dev/null 2>&1; \
			then echo 'i386-jos-elf-'; else echo ''; fi)

CC		:= $(GCCPREFIX)gcc
LD		:= $(GCCPREFIX)ld

ASFLAGS		+= -m32
CFLAGS		+= -m32 -ffreestanding -O2
LDFLAGS		+= -m elf_i386 -Ttext 0x10000

KERNEL		:= hello.out

all: $(KERNEL)

$(KERNEL): start.o main.o
	$(LD) $(LDFLAGS) -o $@ $^

clean:
	-rm -f *.o $(KERNEL)

qemu: $(KERNEL)
	qemu-system-i386 -kernel $<