[omochi@omochi-iMac-PC43 ~]$ sudo xcode-select -s /Applications/Xcode-beta.app/Contents/Developer [omochi@omochi-iMac-PC43 ~]$ xcrun --show-sdk-path /Library/Developer/CommandLineTools/SDKs/MacOSX10.13.sdk[omochi@omochi-iMac-PC43 ~]$ sudo xcode-select -s /Applications/Xcode-beta.app/Contents/Developer [omochi@omochi-iMac-PC43 ~]$ xcrun --show-sdk-path /Library/Developer/CommandLineTools/SDKs/MacOSX10.13.sdk