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CC = i686-elf-gcc
AS = i686-elf-as
CFLAGS = -std=gnu99 -ffreestanding -O2 -Wall -Wextra
OBJS = src/boot.o src/kernel.o
.PHONY: all clean iso-files
all: FrenchToastOS.iso
src/boot.o: src/boot.s
$(AS) src/boot.s -o src/boot.o
src/kernel.o: src/kernel.c
$(CC) $(CFLAGS) -c src/kernel.c -o src/kernel.o
FrenchToastOS.bin: $(OBJS)
$(CC) -T linker.ld -o FrenchToastOS.bin -ffreestanding -O2 -nostdlib $(OBJS) -lgcc
iso-files: FrenchToastOS.bin
mkdir -p isodir/boot/grub
cp FrenchToastOS.bin isodir/boot/
cp boot/grub.cfg isodir/boot/grub/
FrenchToastOS.iso: iso-files
grub-mkrescue /usr/lib/grub/i386-pc /usr/lib/grub/i386-efi /usr/lib/grub/x86_64-efi -o FrenchToastOS.iso isodir
clean:
rm -f $(OBJS) FrenchToastOS.bin FrenchToastOS.iso
rm -rf isodir
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