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

[Daniel Dunbar]

+Jordan

All of the headers failing there are headers which should be found with the Clang compiler headers, which ship inside the snapshot (and are keyed by compiler version).

 - Daniel

> On Jan 18, 2017, at 11:50 AM, Tony Parker via swift-server-dev <swift-server-dev at swift.org> wrote:
> 
> 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 <mailto: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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