.PHONY: all clean

CC := x86_64-elf-gcc
LD := x86_64-elf-ld

override CFLAGS = -Wall \
					-Wextra \
					-ffreestanding \
					-fno-stack-protector \
					-fno-stack-check \
					-fno-lto \
					-fno-PIC \
					-ffunction-sections \
					-fdata-sections \
					-m64 \
					-march=x86-64 \
					-mabi=sysv \
					-mno-80387 \
					-mno-mmx \
					-mno-sse \
					-mno-sse2 \
					-mno-red-zone \
					-mcmodel=kernel \
					-I. \
					-I../limine \
					-DPRINTF_INCLUDE_CONFIG_H=1

override LDFLAGS = \
	-m elf_x86_64 \
	-nostdlib \
	-static \
	-z max-page-size=0x1000 \
	--gc-sections \
	-T link.ld

override NASMFLAGS = \
	-felf64 \
	-Wall \
	-F dwarf -g

override SRCFILES := $(shell find -L . -type f 2>/dev/null | LC_ALL=C sort)
override CFILES := $(filter %.c,$(SRCFILES))
override ASFILES := $(filter %.asm,$(SRCFILES))
override OBJ := $(patsubst %.c,%.o,$(CFILES)) $(patsubst %.asm,%.o,$(ASFILES))

%.o: %.c
	$(CC) $(CFLAGS) -c $< -o $@

%.o: %.asm
	nasm $(NASMFLAGS) $< -o $@

all: mop2

mop2: $(OBJ)
	$(LD) $^ $(LDFLAGS) -o $@

clean:
	rm -f $(OBJ) mop2