[MacPorts] #44125: cmake needs to support building against / with a deployment target set (prevents libc++ support on Snow Leopard for cmake projects)

[MacPorts]

#44125: cmake needs to support building against / with a deployment target set
(prevents libc++ support on Snow Leopard for cmake projects)
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  Reporter:  mojca@…       |      Owner:  macports-tickets@…
      Type:  defect        |     Status:  reopened
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:
Resolution:                |   Keywords:
      Port:  cmake libcxx  |
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Comment (by jmr@…):

 To give some background and history on this issue:

 #29008, #37527, #41321

 r60805, r66929, r73038, r78651, r101141, r101169, r101420, r119436

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Ticket URL: <https://trac.macports.org/ticket/44125#comment:12>
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