CFLAGS = -c -fno-stack-protector -nostdlib -static -Iinclude/
LIBC_CFILES = $(shell find src/ -name "*.c")
LIBC_ASMFILES = $(shell find src/ -name "*.S")

LIBC_OBJ = $(LIBC_CFILES:.c=.o)
LIBC_ASMOBJ = $(LIBC_ASMFILES:.S=.S.o)

all: $(LIBC_ASMOBJ) $(LIBC_OBJ) build/libc.a

build/libc.a: build/
	ar rcs build/libc.a $(LIBC_OBJ) $(LIBC_ASMOBJ)

#build/ld.so: build/ linker/entry.c linker/entry.S
#	mkdir -p $(@D)
#	$(CC) $(CFLAGS) linker/entry.S -o build/entry.S.o
#	$(CC) $(CFLAGS) linker/entry.c -o build/entry.o
#	$(LD) -znoexecstack $(LIBC_OBJ) \
# 	build/entry.o build/entry.S.o -o $@

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

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

.PHONY:
build/:
	mkdir -p build/

.PHONY: clean
clean:
	rm -f $(LIBC_OBJ) $(LIBC_ASMOBJ)
	rm -rf build/
	rm -f $(shell cat include/sys/.sys_export)
	rm include/sys/.sys_export include/sys/.gitignore