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

[MacPorts]

#48578: msgpack-1.0.1_0 configuration error - build failure
-----------------------------+-------------------
  Reporter:  nathan.smith@…  |      Owner:  hum@…
      Type:  defect          |     Status:  new
  Priority:  Normal          |  Milestone:
 Component:  ports           |    Version:  2.3.3
Resolution:                  |   Keywords:
      Port:  msgpack         |
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Changes (by ryandesign@…):

 * owner:  macports-tickets@… => hum@…
 * keywords:  msgpack =>
 * port:   => msgpack


Comment:

 What is the output of:

 {{{
 /usr/bin/m4 --version
 }}}

 Because on my 10.10 system it says it's version 1.4.6, and msgpack builds
 fine.

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Ticket URL: <https://trac.macports.org/ticket/48578#comment:2>
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