Module compiled with swift 3.0 cannot be imported in Swift 3.0.1

swift swifty-json
HH887 picture HH887 · Oct 25, 2016 · Viewed 25.2k times · Source

I upgraded Xcode to 8.1 GM and am now getting the below error for SwiftyJSON. Other imported frameworks seem to work. Is there a way to force this to work in Swift 3 until SwiftyJSON upgrades their framework? I used Carthage to import/update frameworks. I also tried changing Use Legacy Swift language version On and Off to no avail.

Module compiled with Swift 3.0 cannot be imported in Swift 3.0.1: Modules/SwiftyJSON.swiftmodule/arm64.swiftmodule

Answer

zirinisp picture zirinisp · Oct 31, 2016

SwiftyJson is being downloaded precompiled by carthage. The precompiled download is with Swift Version 3.0. That makes the compiler complain that the version is not correct. Using the following command: 

carthage update --platform iOS --no-use-binaries

SwiftyJson (and all other frameworks within Carthage) will be compiled locally using the local version of Swift (3.0.1) and the compiler will not complain anymore.

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