[MacPorts] #58211: qt56-qtbase @5.6.3_6 on Lion: error: no type named 'u16string' in namespace 'std'

[MacPorts]

#58211: qt56-qtbase @5.6.3_6 on Lion: error: no type named 'u16string' in namespace
'std'
--------------------------+---------------------------------
  Reporter:  kencu        |      Owner:  MarcusCalhoun-Lopez
      Type:  defect       |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:  lion
      Port:  qt56-qtbase  |
--------------------------+---------------------------------
Changes (by kencu):

 * Attachment "qt56-nocxx11PG-fail.log" added.

 an attempt to build it on 10.7 without the cxx11 PG fails

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Ticket URL: <https://trac.macports.org/ticket/58211>
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