OBJ=bin/obj OBJS=$(OBJ)/prc_calc.o all: $(OBJS) $(OBJ)/prc_calc.o: pre prcalc.c $(CC) $(CFLAGS) -c prcalc.c -o $(OBJ)/prc_calc.o check: $(CC) $(CFLAGS) $(OBJS) check.c -o bin/check -lm ./bin/check pre: mkdir -p bin/obj