<div dir="ltr">Hi,<div><br></div><div>I've been trying to use the swift4 snapshot toolchains with Xcode9 beta with little success.<br></div><div><br></div><div>When building I get the error:<br></div><div>"</div><div><span style="font-family:Menlo;font-size:11px"><unknown>:0: error: unknown argument: '-index-store-path'</span></div>
<p style="margin:0px 0px 0px 12px;font-size:11px;line-height:normal;font-family:Menlo">Command /Library/Developer/Toolchains/swift-4.0-DEVELOPMENT-SNAPSHOT-2017-06-29-a.xctoolchain/usr/bin/swiftc failed with exit code 1</p><div>"</div><div><br></div><div>I believe that this because of missing "indexing while building" support in the open source swift in the currently available snapshots. (The feature was merged just a few days ago: <a href="https://github.com/apple/swift/pull/10726">https://github.com/apple/swift/pull/10726</a>)</div><div><br></div><div>Is there a way to disable "indexing while building" in Xcode9?</div><div><br></div><div>Thanks,</div><div>Anders</div><div><br></div></div>