[MacPorts] #63738: auto-multiple-choice/auto-multiple-choice-devel: fix build failures for older macOS releases, or set known_fail

[MacPorts]

#63738: auto-multiple-choice/auto-multiple-choice-devel: fix build failures for
older macOS releases, or set known_fail
-------------------------------------------------+-------------------------
  Reporter:  mascguy                             |      Owner:  mascguy
      Type:  defect                              |     Status:  closed
  Priority:  Normal                              |  Milestone:
 Component:  ports                               |    Version:  2.7.1
Resolution:  fixed                               |   Keywords:
      Port:  auto-multiple-choice auto-          |
  multiple-choice-devel                          |
-------------------------------------------------+-------------------------

Comment (by Christopher Nielsen <mascguy@…>):

 In [changeset:"55b25a2f83556ba9dfa0d234e31b346ee9199bb7/macports-ports"
 55b25a2f83556ba9dfa0d234e31b346ee9199bb7/macports-ports] (master):
 {{{
 #!ConfigurableCommitTicketReference repository="macports-ports"
 revision="55b25a2f83556ba9dfa0d234e31b346ee9199bb7"
 auto-multiple-choice/auto-multiple-choice-devel: blacklist clang < 900
 See: https://trac.macports.org/ticket/63738
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/63738#comment:9>
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