[Bug 56973] Building wine with mingw/gcc 14.1.1 fails with error '-Wimplicit-function-declaration'

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=56973

--- Comment #5 from Nikolay Sivov  ---
(In reply to Zeb Figura from comment #2)
> (In reply to Nikolay Sivov from comment #1)
> > I think the question here is why this path is used:
> >
> > -I/usr/i686-w64-mingw32/sys-root/mingw/include/libxml2
> >
> > It's most likely incompatible, and for wine we are using imported libxml2
> > code, including headers.
>
> Because using external PE libraries is supported. Are we modifying the
> bundled libxml in a way that makes it incompatible? If so (and assuming we
> really do need to do that) we shouldn't allow using external libxml.

No, we don't modify it. It appears to be their change [1], for no good reason.

[1] https://gitlab.gnome.org/GNOME/libxml2/-/commit/61034116d