[swift-server-dev] import Foundation => could not build Objective-C module 'CoreFoundation'

[Tony Parker]

This sounds like we’ve included a header which does not exist on Ubuntu 14.04 in CoreFoundation.h.

https://github.com/apple/swift-corelibs-foundation/blob/master/CoreFoundation/Base.subproj/SwiftRuntime/CoreFoundation.h#L36 <https://github.com/apple/swift-corelibs-foundation/blob/master/CoreFoundation/Base.subproj/SwiftRuntime/CoreFoundation.h#L36>

but that include has been there since the beginning… (and the sys/types.h include)

- Tony

> On Jan 18, 2017, at 6:57 AM, Andrew Cornett via swift-server-dev <swift-server-dev at swift.org> wrote:
> 
> Has anyone been able to `import Foundation` using a development snapshot on Ubuntu 14.04? I'm getting errors that make it seem like my environment isn't setup correctly, but the same environment works fine for the 3.0.2 release.
> 
> ```
> root at a079e93a1c57:/# swift 
> Welcome to Swift version 3.1-dev (LLVM 7e421db87c, Clang 8df9d5d9f9, Swift 6f08335ce0). Type :help for assistance.
>  1> import Foundation
> 
> error: /usr/include/x86_64-linux-gnu/sys/types.h:146:10: error: 'stddef.h' file not found
> error: /usr/lib/swift/CoreFoundation/CoreFoundation.h:25:10: error: could not build module 'SwiftGlibc'
> error: /usr/include/x86_64-linux-gnu/sys/cdefs.h:23:11: error: could not build module 'SwiftGlibc'
> error: could not build Objective-C module 'CoreFoundation'
> ```
> 
> I've tried manually providing some include paths to the swift command, which did remove the SwiftGlibc error, but nothing else seems to be working out for me :-(
> 
> ```
> root at a079e93a1c57:/# swift -I /usr/include/lldb/Symbol -I /usr/lib/swift/clang/include
> Welcome to Swift version 3.1-dev (LLVM 7e421db87c, Clang 8df9d5d9f9, Swift 6f08335ce0). Type :help for assistance.
>  1> import Glibc
>  2>  
>  3> print(random())
> 1804289383
>  4> 
>  5> import Foundation
> 
> error: /usr/lib/swift/CoreFoundation/CoreFoundation.h:26:10: error: 'stdarg.h' file not found
> error: /usr/lib/swift/dispatch/dispatch.h:43:10: error: 'stddef.h' file not found
> error: could not build Objective-C module 'CoreFoundation'
> ```
> 
> Since the 3.0.2 release version can import Foundation no problem, I'm wondering if there's something I'm missing when setting up a new development snapshot?
> 
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