[MacPorts] #54798: webkit2-gtk +quartz build fails with many compiler errors

[MacPorts]

#54798: webkit2-gtk +quartz build fails with many compiler errors
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 Reporter:  Polyergic  |      Owner:
     Type:  defect     |     Status:  new
 Priority:  Normal     |  Milestone:
Component:  ports      |    Version:
 Keywords:             |       Port:  webkit2-gtk
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 `port upgrade outdated` was failing because `Error: Failed to archivefetch
 webkit2-gtk: gtk3 must be installed with +x11.`  It seems that somewhere
 buried in the dependency tree something switched to webkit2-gtk, and
 `gtk3` was already installed with `+quartz` rather than `+x11`.  The
 natural solution seems to be to install `webkit2-gtk +quartz`, but that
 won't build.

 There are tens of compiler errors, none jumped out at me as the key error;
 other updates built successfully so I'm pretty sure it's not something
 like an xcode update breaking everything.

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Ticket URL: <https://trac.macports.org/ticket/54798>
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