ifeq ($(BUILDROOT),)
$(error BUILDROOT IS NOT SET!)
endif

TARGET := x86_64-elf
MAKE.kernel := TARGET=${TARGET} $(MAKE) -C src/kernel
MAKE.libmittos := TARGET=${TARGET} $(MAKE) -C src/libmittos

DIST := $(BUILDROOT)/mittos.iso
SYSROOT := $(BUILDROOT)/sysroot


all: kernel


dist: $(DIST)
$(DIST): kernel
	$(BUILDROOT)/toolchain/setup-grub.sh
	grub-mkrescue -o $@ $(SYSROOT)


kernel: $(SYSROOT)/kernel
$(SYSROOT)/kernel: musllib libmittos FORCE
ifeq ($(shell $(MAKE.kernel) -sq install || echo 1), 1)
	$(MAKE.kernel) install
endif

musllib: $(SYSROOT)/usr/lib/libc.a
$(SYSROOT)/usr/lib/libc.a:
	$(BUILDROOT)/toolchain/ports/musl/build.sh

libmittos: $(SYSROOT)/usr/lib/libmittos.a
$(SYSROOT)/usr/lib/libmittos.a: FORCE
ifeq ($(shell $(MAKE.libmittos) -sq install || echo 1), 1)
	$(MAKE.libmittos) install
	$(MAKE) $(MAKECMDGOALS)
endif


clean:
	rm -rf $(DIST)
	$(MAKE.kernel) clean
	$(MAKE.libmittos) clean

distclean:
	$(MAKE) clean
	rm -rf $(SYSROOT)

love: FORCE
	@echo Not war?

.PHONY: all dist sysroot FORCE