[swift-users] Undefined symbols preventing build

[Kilian Koeltzsch]

I've opened an issue for this here [0]. This is occurring on OS X
10.11.1.

[0] https://bugs.swift.org/browse/SR-151

On Wed, Dec 9, 2015, at 00:53, Max Howell wrote:
> If you report the bug I can get the relevant people involved in solving
> this: https://bugs.swift.org
> 
> Otherwise from what I can see the Swift standard library is not being
> linked. I can’t say why. It may help if you run `swift build -v` and also
> which OS X is this?
> 
> > On Dec 8, 2015, at 12:36 PM, Kilian Koeltzsch via swift-users <swift-users at swift.org> wrote:
> > 
> > Hello all,
> > 
> > I've tried using the Swift 2.2 compiler from swift.org to compile a
> > simple sample project locally on OS X containing nothing besides a
> > hello-world example and a basic Package.swift but am failing to do so
> > due to several "Undefined symbols for architecture x86_64". 
> > 
> > The sample project is as simple as possible with only a Package.swift
> > and a Sources directory containing a main.swift with nothing but a
> > print() statement. There is nothing declared in the Package.swift
> > besides the name of the module and an empty dependencies array.
> > 
> > This is the complete output from running `swift build`:
> > 
> > Compiling Swift Module 'foo' (1 sources)
> > Linking Executable:  .build/debug/foo
> > Undefined symbols for architecture x86_64:
> >  "__TFSSCfT21_builtinStringLiteralBp8byteSizeBw7isASCIIBi1__SS",
> >  referenced from:
> >      _main in main.swift.o
> >  "__TFs5printFTGSaP__9separatorSS10terminatorSS_T_", referenced from:
> >      _main in main.swift.o
> >  "__TIFs5printFTGSaP__9separatorSS10terminatorSS_T_A0_", referenced
> >  from:
> >      _main in main.swift.o
> >  "__TIFs5printFTGSaP__9separatorSS10terminatorSS_T_A1_", referenced
> >  from:
> >      _main in main.swift.o
> >  "__TMSS", referenced from:
> >      _main in main.swift.o
> >  "__TTSg5P____TFs27_allocateUninitializedArrayurFBwTGSax_Bp_",
> >  referenced from:
> >      _main in main.swift.o
> >  "__TZvOs7Process11_unsafeArgvGSpGSpVs4Int8__", referenced from:
> >      _main in main.swift.o
> >  "__TZvOs7Process5_argcVs5Int32", referenced from:
> >      _main in main.swift.o
> >  "_globalinit_33_1BDF70FFC18749BAB495A73B459ED2F0_func5", referenced
> >  from:
> >      _main in main.swift.o
> >  "_globalinit_33_1BDF70FFC18749BAB495A73B459ED2F0_token5", referenced
> >  from:
> >      _main in main.swift.o
> > ld: symbol(s) not found for architecture x86_64
> > <unknown>:0: error: build had 1 command failures
> > swift-build: exit(1):
> > ["/Library/Developer/Toolchains/swift-2.2-SNAPSHOT-2015-12-01-a.xctoolchain/usr/bin/swift-build-tool",
> > "-f", "/Users/kilian/Desktop/foo/.build/debug/foo.o/llbuild.yaml"]
> > 
> > This minimal example seems to be working fine on other installs of OS X
> > and also inside an Ubuntu VM.
> > 
> > Any help on how to fix this would be much appreciated. Anything I can
> > find online on this refers to adjusting Xcode build setting to link with
> > external libraries.
> > 
> > There's also a StackOverflow question for this here[0].
> > 
> > Thank you very much in advance!
> > 
> > 
> > [0]
> > http://stackoverflow.com/questions/34162636/swift-2-2-undefined-symbols-preventing-build
> > _______________________________________________
> > swift-users mailing list
> > swift-users at swift.org
> > https://lists.swift.org/mailman/listinfo/swift-users
>