The url: https://ports.macports.org/port/gcc10-bootstrap/details/ <https://ports.macports.org/port/gcc10-bootstrap/details/> says that port has been deleted.
But it quite alive: https://github.com/macports/macports-ports/blob/master/lang/gcc10-bootstrap/Portfile <https://github.com/macports/macports-ports/blob/master/lang/gcc10-bootstrap/Portfile> -- wbr, Kirill
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