[MacPorts] #52210: libsdl2 can build on 10.6, but instructions a bit vague

[MacPorts]

#52210: libsdl2 can build on 10.6, but instructions a bit vague
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  Reporter:  kenneth.f.cunningham@…  |      Owner:  jmroot
      Type:  defect                  |     Status:  new
  Priority:  Low                     |  Milestone:
 Component:  ports                   |    Version:  2.3.4
Resolution:                          |   Keywords:
      Port:  libsdl2                 |
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Comment (by jmroot):

 If we need to add a compiler blacklist here as per
 [https://github.com/macports/macports-ports/pull/5 PR#5], I imagine it
 would be needed when actually building on 10.7 as well. Might need some
 more testing to find out exactly which compiler versions work.

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Ticket URL: <https://trac.macports.org/ticket/52210#comment:7>
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