EXEC := boucane
CC := g++ -g -Wno-write-strings -Wno-int-to-pointer-cast -mcmodel=large -nostdlib -nostdinc -no-pie -fno-builtin -fno-stack-protector -I ./ -I include
LD_SCRIPT := linker.ld

# Note that BOOT_OBJ do not match boot.S
# Indeed boot.o generated by boot.S should appear
# first in the kernel binary (thus it must be linked first, cf the $(EXEC) rule)
BOOT_OBJ := $(addsuffix .o,$(basename $(shell find ./boot -name '*.cc' -o -name '*.S' ! -name "boot.S")))
DRIVERS_OBJ := $(addsuffix .o,$(basename $(shell find ./drivers -name '*.cc' -o -name '*.S')))
LIBS_OBJ := $(addsuffix .o,$(basename $(shell find ./libs -name '*.cc' -o -name '*.S')))
CORE_OBJ := $(addsuffix .o,$(basename $(shell find ./core -name '*.cc' -o -name '*.S')))
RES_OBJ := $(addsuffix .o,$(basename $(shell find ./res -type f)))

all: $(EXEC)

$(EXEC): boot/boot.o $(BOOT_OBJ) $(DRIVERS_OBJ) $(LIBS_OBJ) $(CORE_OBJ) $(RES_OBJ) boucane.o
	$(CC) -T $(LD_SCRIPT) -nostdlib -o $@ $^

%.o: %.S
	as -o $@ $^

%.o: %.cc
	$(CC) -c -o $@ $^

%.o: %.psf
	objcopy -I binary -O elf64-x86-64 --prefix-symbol res $^ $@

%.o: %.bmp
	objcopy -I binary -O elf64-x86-64 --prefix-symbol res $^ $@

clean:
	rm -f $(EXEC)
	find ./ -name "*.o" -delete

.PHONY: clean cdrom