[MacPorts] #36172: povray 3.7 fails with thread-local storage not supported

[MacPorts]

#36172: povray 3.7 fails with thread-local  storage not supported
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  Reporter:  peyser.alex@…  |      Owner:  macports-tickets@…
      Type:  defect         |     Status:  new
  Priority:  Normal         |  Milestone:
 Component:  ports          |    Version:  2.1.2
Resolution:                 |   Keywords:
      Port:  povray         |
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Comment (by peyser.alex@…):

 > You should report this problem to the developers of povray; they need to
 fix it to be compatible with GCC on OS X. You could point them to
 [http://lifecs.likai.org/2010/05/mac-os-x-thread-local-storage.html this
 page] which seems to explain the problem. It compiled fine for me on
 Mountain Lion with Xcode 4.4 and clang, so presumably clang does now have
 an implementation of thread-local storage (and that page does not mention
 that).

 From the mailing lists, they've known about it for several years and have
 decided that that's not going to happen (fixing it to work on old gcc's).
 So apparently the resolution is that this port will only work with Xcode >
 4, unless anyone happens to know a variety of gcc or clang from earlier
 versions where thread local variables have crept in. Clang-3.1 from
 macports fails here as well, using configure.compiler and configure.cxx.

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Ticket URL: <https://trac.macports.org/ticket/36172#comment:5>
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