[Webkit-unassigned] [Bug 185194] [GTK] Error building WebKitGtk+ with gcc version 7.3.1

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=185194

--- Comment #9 from JF Bastien <jfbastien at apple.com> ---
(In reply to Michael Catanzaro from comment #8)
> JF, this might be a tricky one. Problem is, with --std=c++17 we must use the
> real std::optional rather than our own (fixed in bug #185159). But with,
> libstdc++ 7 std::optional does not support incomplete types.

Can you avoid using the provided one in that case?

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