[MacPorts] #66189: gsed 4.9 fails to build on 10.6.8 with gcc-4.2

[MacPorts]

#66189: gsed 4.9 fails to build on 10.6.8 with gcc-4.2
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  Reporter:  barracuda156  |      Owner:  Schamschula
      Type:  defect        |     Status:  assigned
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.8.0
Resolution:                |   Keywords:  snowleopard, leopard
      Port:  gsed          |
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Comment (by Schamschula):

 I have no way of testing this other than blindly committing possible
 solutions. My oldest active OS in Big Sur. PRs are welcome.

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Ticket URL: <https://trac.macports.org/ticket/66189#comment:3>
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