CC = gcc
CFLAGS = -Wall -O2
all: b2d
b2d: b2d.o
$(CC) $(LFLAGS) -o b2d b2d.o
b2d.o: b2d.c b2d.h
$(CC) $(CFLAGS) -c b2d.c
clean:
rm -f *~ *.o b2d