Swift Beta 6 - Confusing Linker Error Message

Swift beta 6 - Confusing linker error message

I got this error even with the new version of Beta6 that was release hours after the bad one got pulled.

I've solved this and other similarly illegible errors by deleting the contents of the Derived folder. You can find where that folder is located by going to Preferences > Locations.

The default path is:
/Users/[your username]/Library/Developer/Xcode/DerivedData

You can also hold Option while the Product menu is open in Xcode, which will change Clean to Clean Build Folder... and accomplish the same task without having to folder-hunt.

AudioKit 5 and Xcode 12 beta 6 Build Errors

From what info the error is giving, it sounds like it Xcode is having trouble finding the Swift 5.1 methods which makes sense. Xcode beta will be using the latest version of Swift which I believe is 5.3

You should try what @megastep says. I just built the v5-develop branch and ran the AKMIDITrackView example on my iPhone with the latest iOS 14.0 beta 8 and Xcode 12 beta 6.

You can check out the example here if you want to try building a demo AudioKit project which is helpful to do sometimes: https://github.com/AudioKit/MIDITrackView

And that's right! I just discovered the Swift packages which is a very nice feature. I believe if you just select the Code button on an example project and select Open with Xcode everything will be taken care of for you.

In my tutorial, I wasn't using Xcode beta which is why I chose to use the v5-master branch. I should have made that more clear. I'll make sure to do that next time.

Suddenly getting compiler crash arrayForceCast in Swift XCode beta 6

Launch Organizer and then hit the Delete button as shown below. Rebuild and the error will go away.

Xcode 6 Beta 5 Swift Error: Class Exists in libswift_stdlib_core.dylib and in libswiftCore.dylib. Which one is undefined

Had the same issue, doing a Clean (Shift+Cmd+K) resolved it for me.

Xcode6 beta SourceKitService error

Is your project named Swift? With seeing that message, build would be failed too with message: <unknown>:0: error: module name "Swift" is reserved for the standard library. Try using another project name such as SwiftTest. It would work.

(Duplicated: SourceKitService Terminated)

Swift auto completion not working in Xcode 6 Beta

I have figured it out. If your Swift files contain Unicode characters, auto completion will fail even if the characters are comments. So just delete all the Unicode characters, and the auto completion feature will work well!

I think this is a Xcode 6 Beta bug!

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