[MacPorts] #59835: cmake: strange libc++ "if" condition

[MacPorts]

#59835: cmake: strange libc++ "if" condition
------------------------+-----------------------
  Reporter:  michaelld  |      Owner:  michaelld
      Type:  defect     |     Status:  closed
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:
Resolution:  fixed      |   Keywords:
      Port:  cmake      |
------------------------+-----------------------
Changes (by michaelld):

 * owner:  (none) => michaelld
 * status:  new => closed
 * resolution:   => fixed


Comment:

 In [changeset:"b0c237895ad01a35d3ceb0c5a54acf665cec3585/macports-ports"
 b0c237895ad01a35d3ceb0c5a54acf665cec3585/macports-ports] (master):
 {{{
 #!ConfigurableCommitTicketReference repository="macports-ports"
 revision="b0c237895ad01a35d3ceb0c5a54acf665cec3585"
 cmake: tweak explicitly using `cxx_stdlib libc++` for just Darwin 9+

 Closes: https://trac.macports.org/ticket/59835
 }}}

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Ticket URL: <https://trac.macports.org/ticket/59835#comment:14>
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