[MacPorts] #45400: root6: error: thread-local storage is unsupported for the current target

[MacPorts]

#45400: root6: error: thread-local storage is unsupported for the current target
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  Reporter:  david.w.watson@…  |      Owner:  macports-tickets@…
      Type:  defect            |     Status:  new
  Priority:  Normal            |  Milestone:
 Component:  ports             |    Version:  2.3.1
Resolution:                    |   Keywords:
      Port:  root6             |
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Comment (by bpnuke@…):

 I have been trying to compile against the root libraries provided through
 macports and keep running into a similar error posted in this following
 URL.

 https://root.cern.ch/phpBB3/viewtopic.php?t=19551&p=83737

 The root developers say they've fixed the problem and that it is now
 compatible with OS X 10.10.3 Xcode 6.3.2 and this is correct. If I re-
 compile the root v6-04-00 natively on my machine, I don't have an issue
 compiling against the headers. I was wondering what version of Xcode/clang
 this current port was compiled with and if it could be recompiled to bring
 it up-to-date. That is if it'll actually fix the problem. May just be a
 problem on my end.

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Ticket URL: <https://trac.macports.org/ticket/45400#comment:9>
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