When building an iOS app, GeneXus uses the Xcode Commad Line Tools.
You may have several versions of Xcode installed on your Mac computer, in which case, you need to tell GeneXus the Xcode version to use for compiling.
To change the version used by GeneXus:
- Go to the Mac and open Xcode
- Go to Preferences...
- Change the Command Line Tools option to the desired one