> On Dec 21, 2015, at 10:57 , Pierre Habouzit <pie...@habouzit.net> wrote:
>
>> On Dec 21, 2015, at 9:34 AM, Jordan Rose via swift-corelibs-dev
>> <swift-corelibs-...@swift.org> wrote:
>>
>> Hm. If this is the right setting to set on everybody's system, we could add
>> it as part of Clang initialization (for the Clang inside Swift). Otherwise,
>> you can use "-Xcc" to pass extra flags to Clang, in this case "-Xcc
>> -D_GNU_SOURCE=1”.
>
> You definitely want -D_GNU_SOURCE=1 on linux systems, as all the non portable
> calls (that also are the interesting ones) will be hidden behind this.
Seems reasonable. If anyone wants to fix this, the relevant function is
getNormalInvocationArguments
<https://github.com/apple/swift/blob/master/lib/ClangImporter/ClangImporter.cpp#L265>
in ClangImporter.cpp; otherwise, please file a bug report at
https://bugs.swift.org <https://bugs.swift.org/>.
Thanks,
Jordan
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