Almost all Derived Files are included in Xcode projects with the Location attribute set to "Relative to Group". While this currently works, the Derived Files can no longer be found when enabling XCBuild (which has stricter requirements). Fix this by setting the Location attribute to "Relative to Build Products".
Created attachment 352876 [details] Patch
Comment on attachment 352876 [details] Patch It may be useful to add a style checker rule for this, so that people don't keep adding files with the old style.
<rdar://problem/45468803>
<rdar://problem/45468808>
Comment on attachment 352876 [details] Patch Clearing flags on attachment: 352876 Committed r237340: <https://trac.webkit.org/changeset/237340>
All reviewed patches have been landed. Closing bug.