我在通过迦太基依赖管理器构建一些Xcode项目的SwiftJSON框架时得到这个错误。

Sivaramaiahs-Mac-mini:GZipDemoApp vsoftMacmini5$ carthage update --platform iOS *** Fetching GzipSwift *** Fetching SwiftyJSON *** Checking out GzipSwift at "3.1.1" *** Downloading SwiftyJSON.framework binary at "3.1.3" *** xcodebuild output can be found in /var/folders/7m/y0r2mdhn0f16zz1nlt34ypzr0000gn/T/carthage-xcodebuild.apLXCc.log A shell task (/usr/bin/xcrun xcodebuild -project /Users/vsoftMacmini5/Desktop/GZipDemoApp/Carthage/Checkouts/GzipSwift/Gzip.xcodeproj CODE_SIGNING_REQUIRED=NO CODE_SIGN_IDENTITY= CARTHAGE=YES -list) failed with exit code 72: xcrun: error: unable to find utility "xcodebuild", not a developer tool or in PATH