[MacPorts] #50347: qt4-mac lacks global pkgconfig data

[MacPorts]

#50347: qt4-mac lacks global pkgconfig data
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  Reporter:  fhgwright  |      Owner:  michaelld
      Type:  defect     |     Status:  closed
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.3.4
Resolution:  fixed      |   Keywords:
      Port:  qt4-mac    |
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Comment (by michaelld):

 I'd still encourage the use of "QTDIR" and/or "QMAKE" ... but this change
 makes a lot of sense & will help some ports find Qt4 where they couldn't
 before!

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Ticket URL: <https://trac.macports.org/ticket/50347#comment:15>
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