[Webkit-unassigned] [Bug 204643] New: [GTK] [2.27.3] GCMemoryOperations.h: Unknown architecture

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=204643

            Bug ID: 204643
           Summary: [GTK] [2.27.3] GCMemoryOperations.h: Unknown
                    architecture
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKitGTK
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: berto at igalia.com
                CC: bugs-noreply at webkitgtk.org

The latest development release of WebKitGTK fails to build in several
non-major architectures (mips64el, ppc64el, s390x, ...):

../Source/JavaScriptCore/heap/GCMemoryOperations.h:125:2: error: #error "Unknown architecture."
  125 | #error "Unknown architecture."

A quick look suggests that functions like gcSafeMemcpy() and possibly
others have fast implementations in x86_64 and arm64 but fall back to
a slower memcpy implementation in other cases.

The detection of when to use the slow path seems to be incorrect,
hence the error.

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