[MacPorts] #57883: libcxx @5.0.1_3: error: thread-local storage is unsupported for the current target

[MacPorts]

#57883: libcxx @5.0.1_3: error: thread-local storage is unsupported for the current
target
-------------------------+-------------------------
  Reporter:  ryandesign  |      Owner:  jeremyhu
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:  snowleopard
      Port:  libcxx      |
-------------------------+-------------------------

Comment (by kencu):

 I'm not 100% sure how we might get the emulated-tls version of `libcxx` on
 the buildbot, though. There appears to be an insurmountable manual step
 involved.

 Although I also have `libcxx` building WITH emulated-tls built by `gcc6`,
 `gcc7`, and `gcc8` that might be another way around that, if Jeremy
 accepts that method (which is not a given).

-- 
Ticket URL: <https://trac.macports.org/ticket/57883#comment:6>
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