Bug 256646

Summary:	Build error for cygwin with c++20 WebCore::HTMLNames::WEBCORE_EXPORT': redefinition
Product:	WebKit	Reporter:	jaybhaskar <jay.bhaskar>
Component:	New Bugs	Assignee:	Nobody <webkit-unassigned>
Status:	NEW ---
Severity:	Blocker	CC:	Hironori.Fujii, webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Other
OS:	Windows 10

Description jaybhaskar 2023-05-11 08:02:28 PDT

facing below error:

WebCore::HTMLNames::WEBCORE_EXPORT': redefinition
C:\jay\workspace\win\Release\WebCore\PrivateHeaders\WebCore\HTMLNames.h(45): note: see declaration of 'WebCore::HTMLNames::WEBCORE_EXPORT'
C:\jay\workspace\build\win\Release\WebCore\PrivateHeaders\WebCore\HTMLNames.h(65): error C2144: syntax error: 'WTF::LazyNeverDestroyed<const WebCore::HTMLQualifiedName,WTF::AnyThreadsAccessTraits>' should be preceded by ';'

is it related to c++20 related bug?

Comment 1 Fujii Hironori 2023-05-11 20:22:42 PDT

Something is wrong.
Follow this build instruction.
https://trac.webkit.org/wiki/BuildingCairoOnWindows

Comment 2 Radar WebKit Bug Importer 2023-05-18 08:03:20 PDT

<rdar://problem/109514035>