Importing Photos.Framework is causing compile error on macOS Big Sur / Xcode 12 Beta 3

Question

Created Jul ’20

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On macOS Big Sur Beta 3 / Xcode 12 Beta 3 when i create vanilla macOS SwiftUI / App project and import Photos framework i get the following compile error:

Code Block Failed to build module 'Photos' from its module interface; the compiler that produced it, 'Apple Swift version 5.3 (swiftlang-1200.2.22.2 clang-1200.0.25.1)', may have used features that aren't supported by this compiler, 'Apple Swift version 5.3 (swiftlang-1200.0.22.4 clang-1200.0.25.1)'

Can i set the swift compiler version from Xcode somehow?

The code i try to compile:

Code Block swiftimport SwiftUI
import Photos
struct ContentView: View {
    var body: some View {
        Text("Hello, world!").padding()
    }
}

It was compiling fine on Beta 2 in one of my projects. Created vanilla project just to make sure there wasn't something odd in project config.

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Answer 1

tzhs OP

Jul ’20

The same with AVFoundation

Code Block Failed to build module 'AVFoundation' from its module interface; the compiler that produced it, 'Apple Swift version 5.3 (swiftlang-1200.2.22.2 clang-1200.0.25.1)', may have used features that aren't supported by this compiler, 'Apple Swift version 5.3 (swiftlang-1200.0.22.4 clang-1200.0.25.1)'

2

Answer 2

C_Wiz OP

Jul ’20

Can confirm, same issue here on my project that worked fine with previous Xcode builds :

/Applications/Xcode-beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.0.sdk/usr/lib/swift/AVFoundation.swiftmodule/arm64e-apple-macos.swiftinterface:1:1: Failed to build module 'AVFoundation' from its module interface; the compiler that produced it, 'Apple Swift version 5.3 (swiftlang-1200.2.22.2 clang-1200.0.25.1)', may have used features that aren't supported by this compiler, 'Apple Swift version 5.3 (swiftlang-1200.0.22.4 clang-1200.0.25.1)'

Looks like a problem with the SDK, hopefully we'll get a fix soon.

1

Answer 3

C_Wiz OP

Jul ’20

FYI, reverting to Xcode beta2 lets you compile again (as the SDK is bundled with the xcode build), I filed a radar, guess we'll see.

1

Answer 4

MSteini82 OP

Jul ’20

Same Error for QuickLook Framework:

Code Block Failed to build module '_QuickLook_SwiftUI' from its module interface; the compiler that produced it, 'Apple Swift version 5.3 (swiftlang-1200.2.22.2 clang-1200.0.25.1)', may have used features that aren't supported by this compiler, 'Apple Swift version 5.3 (swiftlang-1200.0.22.4 clang-1200.0.25.1)'

1

Answer 5

priit OP

Aug ’20

Seems to be fixed in Xcode 12 Beta 4

2