I\'m running Xcode 11 Beta 4.
I\'m using CocoaPods, and wanted to use one of my dependencies with Swift Package Manager as a static library instead of as a framework.
On a fresh
It turned out that Swift Package Manager implicitly depends on the project's Configuration names. I had them at live/qa instead of Release/Debug, and changing them back resolved the issue. Very odd, but I hope it saves you some trouble dear reader.