[swift-corelibs-dev] Fwd: Foundation build failing

David Dunn ddunnibm at gmail.com
Thu Mar 23 11:03:47 CDT 2017

---------- Forwarded message ----------
From: Philippe Hausler <phausler at apple.com>
Date: Thu, Mar 23, 2017 at 1:41 PM
Subject: Re: [swift-corelibs-dev] Foundation build failing
To: David Dunn <ddunnibm at gmail.com>

This is because mangling changed and that was pushed before the toolchain
was updated to the new mangling.

Revert this commit: https://github.com/apple/swift-corelibs-

Sent from my iPhone

On Mar 23, 2017, at 6:24 AM, David Dunn via swift-corelibs-dev <
swift-corelibs-dev at swift.org> wrote:


I've downloaded the latest Xcode (beta 5), using the
swift-3.1-DEVELOPMENT-SNAPSHOT-2017-03-19-a toolchain and also pulled down
the latest code from Apple master but when I run the build in Xcode it
fails with the following errors:

Undefined symbols for architecture x86_64:

  "__T015SwiftFoundation014__CFInitializeA0yyF", referenced from:

      ___CFInitialize in libCoreFoundation.a(CFRuntime.o)

referenced from:

      ___CFInitialize in libCoreFoundation.a(CFRuntime.o)

ld: symbol(s) not found for architecture x86_64

clang: error: linker command failed with exit code 1 (use -v to see

A colleague also sees this problem, can anyone else reproduce it and does
anyone know how to fix it?


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