CMAKE_Swift_LANGUAGE_VERSIONΒΆ
Set to the Swift language version number. If not set, the oldest legacy version known to be available in the host Xcode version is assumed:
- Swift 4.0for Xcode 10.2 and above.
- Swift 3.0for Xcode 8.3 and above.
- Swift 2.3for Xcode 8.2 and below.
