[swift-users] Disable "indexing while building" in Xcode9 (unknown argument: `-index-store-path`)

[Alex Blewitt]

A workaround is to add SWIFT_INDEX_STORE_ENABLE=NO as a build time setting in Xcode, which prevents this argument being added to the call to swiftc.



> On 5 Jul 2017, at 02:02, Anders Hasselqvist via swift-users <swift-users at swift.org> wrote:
> 
> Hi,
> 
> I've been trying to use the swift4 snapshot toolchains with Xcode9 beta with little success.
> 
> When building I get the error:
> "
> <unknown>:0: error: unknown argument: '-index-store-path'
> Command /Library/Developer/Toolchains/swift-4.0-DEVELOPMENT-SNAPSHOT-2017-06-29-a.xctoolchain/usr/bin/swiftc failed with exit code 1
> "
> 
> 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: https://github.com/apple/swift/pull/10726 <https://github.com/apple/swift/pull/10726>)
> 
> Is there a way to disable "indexing while building" in Xcode9?
> 
> Thanks,
> Anders
> 
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> swift-users at swift.org
> https://lists.swift.org/mailman/listinfo/swift-users

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