[MacPorts] #44129: cmake: fix build against libc++ on Lion

[MacPorts]

#44129: cmake: fix build against libc++ on Lion
---------------------+-----------------------
  Reporter:  mojca   |      Owner:  michaelld
      Type:  defect  |     Status:  closed
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:
Resolution:  fixed   |   Keywords:  lion
      Port:  cmake   |
---------------------+-----------------------
Changes (by mojca):

 * status:  new => closed
 * resolution:   => fixed


Comment:

 In [changeset:"9eb9d7b3907205aacf74e3bebffd3f03546da31f/macports-ports"
 9eb9d7b3/macports-ports]:
 {{{
 #!ConfigurableCommitTicketReference repository="macports-ports"
 revision="9eb9d7b3907205aacf74e3bebffd3f03546da31f"
 cmake: blacklist clang < 3.4 for libc++

 CMake fails to compile with clang < 3.4 against libc++
 due to a compiler bug. Blacklist old clang compilers.

 See: https://cmake.org/Bug/view.php?id=15039
 Closes: https://trac.macports.org/ticket/44129
 }}}

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Ticket URL: <https://trac.macports.org/ticket/44129#comment:31>
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