NOS4/makefile at master · Regan-Koopmans/NOS4 · GitHub

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# sudo apt-get install g++ binutils libc6-dev-i386
#
GCCPARAMS = -m32 -fno-use-cxa-atexit -nostdlib -fno-builtin -fno-rtti -fno-exceptions -fno-leading-underscore
ASPARAMS = --32
LDPARAMS = -melf_i386

objects = loader.o kernel.o

%.o: %.cpp
	gcc $(GCCPARAMS) -c -o $@ $<

%.o: %.s
	as $(ASPARAMS) -o $@ $<

nos4.bin: linker.ld $(objects)
	ld $(LDPARAMS) -T $< -o $@ $(objects)

install: nos4.bin
	sudo cp $< /boot/nos4.bin


nos4.iso: nos4.bin
	mkdir iso
	mkdir iso/boot
	mkdir iso/boot/grub
	cp nos4.bin iso/boot/nos4.bin
	echo 'set timeout=0'                      > iso/boot/grub/grub.cfg
	echo 'set default=0'                     >> iso/boot/grub/grub.cfg
	echo ''                                  >> iso/boot/grub/grub.cfg
	echo 'menuentry "My Operating System" {' >> iso/boot/grub/grub.cfg
	echo '  multiboot /boot/nos4.bin'    >> iso/boot/grub/grub.cfg
	echo '  boot'                            >> iso/boot/grub/grub.cfg
	echo '}'                                 >> iso/boot/grub/grub.cfg
	grub-mkrescue --output=nos4.iso iso
	rm -rf iso