[MacPorts] #59511: icu-bootstrap @58.3: configure: error: Namespace support is required to build ICU.

[MacPorts]

#59511: icu-bootstrap @58.3: configure: error: Namespace support is required to
build ICU.
-------------------------+--------------------
  Reporter:  ryandesign  |      Owner:  (none)
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.6.2
Resolution:              |   Keywords:
      Port:  icu         |
-------------------------+--------------------

Comment (by jmroot):

 Not really a problem on 10.14 since nothing needs this subport there. I
 assume it's just failing because libstdc++ is no longer supported. We
 could make it error out early on 10.14+ I guess.

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Ticket URL: <https://trac.macports.org/ticket/59511#comment:1>
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