Monday 16 April 2018
ReactNative Error Command failed: xcrun instruments -s
For one of my "pet projects" (more on that in a lter post...) I am building a native a pp using ReactNative.
After reinstalling MacOS on a brand new (and insanely fast) SSD drive I experienced the following error when starting up a ReactNative app in the simulator using the command
react-native run-ios
The error appearing was:
react-native run-ios
Scanning folders for symlinks in /projects/rn/tst1/node_modules (22ms)
Found Xcode project tst1.xcodeproj
xcrun: error: unable to find utility "instruments", not a developer tool or in PATH
Command failed: xcrun instruments -s
xcrun: error: unable to find utility "instruments", not a developer tool or in PATH
The issue and solution is explained here:
https://stackoverflow.com/questions/39778607/error-running-react-native-app-from-terminal-ios
In the XCode Preferences you have to set the XCode Command Line Tool version:
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