[MacPorts] #60087: gcc47: build failure

[MacPorts]

#60087: gcc47: build failure
---------------------------+----------------------
  Reporter:  alaingirault  |      Owner:  (none)
      Type:  defect        |     Status:  reopened
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.6.2
Resolution:                |   Keywords:
      Port:  gcc47         |
---------------------------+----------------------

Comment (by kencu):

 If you {{{sudo port -v rev-upgrade}}} you’ll see what is broken and
 calling for this.

 Uninstall that, then reinstall it with {{{sudo port install}}} and you
 should get some more up to date and useful variants.

 gcc versions < 6 are sketchy on newer systems.

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Ticket URL: <https://trac.macports.org/ticket/60087#comment:7>
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