[swift-dev] [swift-corelibs-dev] Defining _GNU_SOURCE for module-map-included headers

[Dmitri Gribenko]

+ swift-dev, Jordan

On Sun, Dec 20, 2015 at 2:21 AM, Dan Stenmark via swift-corelibs-dev
<swift-corelibs-dev at swift.org> wrote:
> I'm trying to invoke Linux's unshare() system call from Swift, but without much success.  From C, it requires _GNU_SOURCE to be #define'd before the #include <sched.h>.  The Glibc module map does indeed include sched.h, so the lack of _GNU_SOURCE appears to be the likely culprit.  What's the appropriate action to take here?
>
> Dan
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main(i,j){for(i=2;;i++){for(j=2;j<i;j++){if(!(i%j)){j=0;break;}}if
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