[MacPorts] #67125: ccache fails to build on 10.5

[MacPorts]

#67125: ccache fails to build on 10.5
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  Reporter:  rmottola  |      Owner:  michaelld
      Type:  defect    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:  leopard
      Port:  ccache    |
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Comment (by rmottola):

 Do you know how to patch the cmake test, @kencu ?  I know little about
 cmake.

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Ticket URL: <https://trac.macports.org/ticket/67125#comment:5>
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