[MacPorts] #53625: qscintilla: requires C++11, not using the right compiler

[MacPorts]

#53625: qscintilla: requires C++11, not using the right compiler
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  Reporter:  mojca       |      Owner:  michaelld
      Type:  defect      |     Status:  reopened
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:
      Port:  qscintilla  |
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Comment (by kencu):

 I worked on this a bit regarding adding into the clang code directly
 <https://trac.macports.org/ticket/53634#comment:6>. It's possible, but
 it's a bit hard as there needs to be a test you can call in the clang code
 to see if macports-libstdc++ is the selected stdlib, and I don't know how
 to do that from that point in the code.

 MUCH easier would be to add -std=c++11 in the cxx11 1.1 portgroup code,
 but that runs the risk of trashing some other specified standard in the
 port itself.

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Ticket URL: <https://trac.macports.org/ticket/53625#comment:25>
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