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EXEC := boucane
CC := g++ -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 := $(addsuffix .cc,$(basename $(shell find ./boot -name '*.cc' -name '*.S' ! -name "boot.S")))
DRIVERS_OBJ := $(addsuffix .o,$(basename $(shell find ./drivers -name '*.cc' -o -name '*.S')))
LIBS_OBJ := $(addsuffix .cc,$(basename $(shell find ./libs -name '*.cc' -o -name '*.S')))

all: $(EXEC)

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

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

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

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

.PHONY: clean cdrom