MAC编译OpenJDK8：ld: library not found for -lstdc++（独家解决办法）

参考：

https://blog.csdn.net/quantum7/article/details/108486354

吾试过目录是：

/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/lib