Xcode 9 : Module compiled with Swift 3.1 cannot be imported in Swift 4.0
Update: Solution also tested and working in Swift 5 and Xcode 11. Original: I would like to add that if you are using Carthage to compile a module in Swift 3.2 you should go to a terminal and run: sudo xcode-select –switch /Applications/Xcode-beta.app/Contents/Developer To use the Xcode 9 command line tools, then you can run: … Read more