[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:
Resolution:                          |   Keywords:
      Port:  libsdl2                 |
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Comment (by ken-cunningham-webuse):

 Replying to [comment:7 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.

 I didn't try on 10.7 - but the libsdl2 docs indicate it will build on a
 stock 10.7 system, so whatever clang version that represents would appear
 to be good enough. I suppose we might just check if the 10.7 buildbot
 built it, and that would answer the question.

 As to which clang -- I set the bar at 211, and that pulled in clang-3.4,
 which worked. As per other macports documentation, that test would appear
 to be sufficient, and plumbing the bottom didn't seem to be worth the time
 it would take to explicitly figure it out.

 To be honest, I would personally be inclined to set the bar such that
 clang-3.7 was pulled in (I think all 10.6 users should be using that, if
 they are going to pull in anything at all), but here I'm deferring to
 other admins who felt that wasn't the right thing to do.

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Ticket URL: <https://trac.macports.org/ticket/52210#comment:11>
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