CC = arm-elf-gccEXEC = button_testOBJS = button_test.oCFLAGS+=LDFLAGS+=-Wall -elf2flt -O2all:$(EXEC)$(EXEC): $(OBJS)	$(CC) $(LDFLAGS) -o $@ $(OBJS)clean:	-rm -f $(EXEC) *.elf *.gdb *.o