[Webkit-unassigned] [Bug 279119] New: ptrauth build error in Source/WTF/wtf/BlockPtr.h

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=279119

            Bug ID: 279119
           Summary: ptrauth build error in Source/WTF/wtf/BlockPtr.h
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: fred.wang at free.fr

When I run `Tools/Scripts/build-and-analyze` on macOS with the public
SDK, I'm getting build errors in expansions of
WTF_COPY/DISPOSE/INVOKE_FUNCTION_POINTER_QUALIFIER macros. It seems
ptrauth.h exists but __ptrauth_block_copy/dipose/invoke_helper functions
are undefined. Probably it will be more robust to do doing something
like https://commits.webkit.org/222290@main and explicitly check whether
the functions are defined.

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