Hi Pavol, Make sure you are running Xcode 9 beta 1 on macOS 10.12.4+, also delete the build directory from previous Xcode before building with new Xcode.
Thanks, Mishal Shah > On Jun 16, 2017, at 2:07 PM, Pavol Vaskovic via swift-dev > <swift-dev@swift.org> wrote: > > Hello, > > I guess this has something to do with the recent updates to build > requirements. > > I have downloaded Xcode 9 beta, and used xcode-select to use that version > from command line. What else do I need to do to make Swift build again on > Sierra with Xcode 9 beta? > > Best regards > Pavol Vaskovic > _______________________________________________ > swift-dev mailing list > swift-dev@swift.org > https://lists.swift.org/mailman/listinfo/swift-dev
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