[MacPorts] #44207: qt5-mac @5.3.1_0 : enable parallel builds

[MacPorts]

#44207: qt5-mac @5.3.1_0 : enable parallel builds
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  Reporter:  mk@…                     |      Owner:  mcalhoun@…
      Type:  update                   |     Status:  new
  Priority:  Normal                   |  Milestone:
 Component:  ports                    |    Version:
Resolution:                           |   Keywords:
      Port:  qt-mac, qt5-creator-mac  |
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Comment (by kuba@…):

 Both Qt5 and Qt creator are supporting parallel builds and this doesn't
 need any testing/verification. The entire Qt continuous integration system
 has been parallel building since day 1 IIRC, and they consider broken
 parallel builds to be serious issues. There's no reason to have parallel
 building disabled. Really.

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Ticket URL: <https://trac.macports.org/ticket/44207#comment:7>
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