TARGET = usrbin_blob.o

LIB = ../lib/lib.a

SRCS = $(wildcard *.c)
ASMS = $(wildcard *.s)
OBJS = $(SRCS:.c=.o) $(ASMS:.s=.o)

CFLAGS = -m32 -I../include -ffreestanding -nostdinc -nostdlib -fno-stack-protector -fno-pie -g
LDFLAGS = -m elf_i386 -T link.ld
ASMFLAGS = -f elf32

CC = gcc $(CFLAGS)
LD = ld $(LDFLAGS)
ASM = nasm $(ASMFLAGS)

all: build

build: $(TARGET)

.s.o:
	$(ASM) -o $*.o $^

.c.o:
	$(CC) -c -o $*.o $^

$(TARGET): $(OBJS)
	$(LD) -o usrbin.bin $(OBJS) $(LIB)
	objcopy -I binary -O elf32-i386 -B i386 usrbin.bin $(TARGET) \
	  --redefine-sym _binary_usrbin_bin_start=_usrbin_start \
	  --redefine-sym _binary_usrbin_bin_end=_usrbin_end \
	  --redefine-sym _binary_usrbin_bin_size=_usrbin_size

clean:
	rm -f usrbin.bin
	rm -f $(OBJS)
	rm -f $(TARGET)