[swift-dev] [Swift 2.2] Request to merge a build-script fix

[Ted Kremenek]

Approved for swift-2.2.

Cherry-picked to https://github.com/apple/swift/commit/d16df7a62cbbdcd10dcd9ee9733cf2f6c050348c.

> On Feb 2, 2016, at 5:58 PM, Dmitri Gribenko <gribozavr at gmail.com> wrote:
> 
> Hi Ted,
> 
> Under certain circumstances, when the OS X machine has the
> `/usr/include` directory that contains stale headers (not from the
> current Xcode installation), the build might fail.  This patch works
> around the issue by ensuring that LLVM CMake scripts don't try to look
> in `/usr/include`.
> 
> https://github.com/apple/swift/pull/1175
> https://github.com/apple/swift/commit/79fdc7831d2039b4c59954c8845df622d9360e9e
> 
> Dmitri
> 
> -- 
> main(i,j){for(i=2;;i++){for(j=2;j<i;j++){if(!(i%j)){j=0;break;}}if
> (j){printf("%d\n",i);}}} /*Dmitri Gribenko <gribozavr at gmail.com>*/

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