[MacPorts] #55510: cmake 3.10.0 fails to build on leopard

[MacPorts]

#55510: cmake 3.10.0 fails to build on leopard
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  Reporter:  rmottola  |      Owner:  michaelld
      Type:  defect    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:  leopard
      Port:  cmake     |
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Comment (by kencu):

 He is trying to get a system together to build TenFourFox on 10.6.8 Intel.
 As a bridge, he's using Leopard Intel as a step in that direction, as
 TenFourFox does build on 10.5 PPC.

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Ticket URL: <https://trac.macports.org/ticket/55510#comment:6>
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