[MacPorts] #54151: qjackctl @0.45+qt4: variant +qt4 fails to build on Sierra

[MacPorts]

#54151: qjackctl @0.45+qt4: variant +qt4 fails to build on Sierra
-----------------------+-------------------
  Reporter:  detlevd   |      Owner:
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.4.1
Resolution:            |   Keywords:
      Port:  qjackctl  |
-----------------------+-------------------
Changes (by detlevd):

 * Attachment "main.log" added.

 Logfile of failed build with +qt4 on Sierra

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Ticket URL: <https://trac.macports.org/ticket/54151>
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