Xcode upgrade to 8.3 after you use the command to pack the hint below this error
Xcrun:error:unable to find Utility "packageapplication", not a developer tool or in PATH
Later, according to the comparison found that the new version of Xcode less this packageapplication
Let's go find the old version of Xcode and copy it.
Put it in the following directory:
/applications/xcode.app/contents/developer/platforms/iphoneos.platform/developer/usr/bin/
Then execute the command.
sudo xcode-select-switch/applications/xcode.app/contents/developer/
chmod +x/applications/xcode.app/contents/developer/platforms/iphoneos.platform/developer/usr/bin/ Packageapplication
Finally, attach packageapplication:
Link: Https://pan.baidu.com/s/1ihh9j70KLAlHICEMooVlCQ Password: cvq7
Xcrun:error:unable to find Utility "packageapplication", not a developer tool or in PATH