==> Error: The vendor/include and/or vendor/lib directories are missing. Please run git submodule update --init --recursive in your Theos directory. More information: https://github.com/theos/theos/wiki/Installation.
make: *** [before-all] Error 1
之前由于Xcode路径问题， error: SDK “iphoneos” cannot be located，找不到/Library/Developer/CommandLineTools/Platforms/iPhoneOS.platform/Developer/SDKs的路径，然后在用命令行更改过路径：mac$ sudo xcode-select --switch /Applications/Xcode.app/Contents/Developer/，也按照错误提示修改过，没有解决。。，报了上面的错误，不知道该如何解决，求大神指点。