xcode를 업데이트 후 콘솔에 에러가 찍히기 시작..
xcodebuild[1983:10543] Requested but did not find extension point with identifier Xcode.IDEKit.ExtensionSentinelHostApplications for extension Xcode.DebuggerFoundation.AppExtensionHosts.watchOS of plug-in com.apple.dt.IDEWatchSupportCore
xcodebuild[1983:10543] Requested but did not find extension point with identifier Xcode.IDEKit.ExtensionPointIdentifierToBundleIdentifier for extension Xcode.DebuggerFoundation.AppExtensionToBundleIdentifierMap.watchOS of plug-in com.apple.dt.IDEWatchSupportCore
// Remove CommandLineTools
sudo rm -rf /Library/Developer/CommandLineTools
// Reinstall CommandLineTools
xcode-select --install
// Select CommandLineTools
sudo xcode-select -s /Library/Developer/CommandLineTools
commandLineTools를 리인스톨 할 때 다운로드를 새로 받기 때문에 약간의 시간이 걸린다.