3·Sure enough, adding "-fPIC," as the error message suggested (and as hinted at by the Makefile's comments about two other common 64-bit architectures), fixes the problem.
非常确信，增加 “-fPIC” 可以解决这个问题，这正是错误消息建议的（也是 Makefile 中有关其他两个常见的 64 位体系架构的注释给我们的提示）。