[MacPorts] #59391: icu @65.1 fails to build on 10.9

[MacPorts]

#59391: icu @65.1 fails to build on 10.9
---------------------+------------------------
  Reporter:  jmroot  |      Owner:  ryandesign
      Type:  defect  |     Status:  assigned
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:
Resolution:          |   Keywords:  mavericks
      Port:  icu     |
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Comment (by MarcusCalhoun-Lopez):

 The problem seems to be that Clang does not provides
 [https://en.cppreference.com/w/c/types/max_align_t max_align_t] in stdio.h
 as it should for a C11 compiler.\\
 This causes problems in at least three files.\\
 One solution is to patch the three files.\\
 The other option is to use a more standards compliant compiler (see
 [https://github.com/macports/macports-ports/pull/5564 the pull
 request]).\\
 N.B. that this fix requires [https://github.com/macports/macports-
 ports/pull/5563 another pull request] to be merged first.

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Ticket URL: <https://trac.macports.org/ticket/59391#comment:1>
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