Bug 253480

Summary:	[build] Add Precompiled header to speed up TestWebKitAPI compilation
Product:	WebKit	Reporter:	Dan Glastonbury <djg>
Component:	Tools / Tests	Assignee:	Dan Glastonbury <djg>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	Other
Hardware:	Unspecified
OS:	Unspecified

Description Dan Glastonbury 2023-03-06 18:41:46 PST

ClangBuildAnaylzer reports parsing taking ~1200s across all files on an M1
MacStudio, predominately in Cocoa.h and gtest.h. By introducing a PCH including
those files, parsing time is reduced to ~400s.

Comment 1 Radar WebKit Bug Importer 2023-03-06 18:42:19 PST

<rdar://problem/106341388>

Comment 2 Dan Glastonbury 2023-03-06 18:45:24 PST

Pull request: https://github.com/WebKit/WebKit/pull/11146

Comment 3 EWS 2023-03-07 01:32:28 PST

Committed 261321@main (66552a5b71b8): <https://commits.webkit.org/261321@main>

Reviewed commits have been landed. Closing PR #11146 and removing active labels.