[MacPorts] #48578: msgpack-1.0.1_0 configuration error - build failure

[MacPorts]

#48578: msgpack-1.0.1_0 configuration error - build failure
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 Reporter:  nathan.smith@…  |      Owner:  macports-tickets@…
     Type:  defect          |     Status:  new
 Priority:  Normal          |  Milestone:
Component:  ports           |    Version:  2.3.3
 Keywords:  msgpack         |       Port:
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 appears to be an issue with identification of m4 version - if I'm reading
 the error log correctly.

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Ticket URL: <https://trac.macports.org/ticket/48578>
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