[MacPorts] #57656: backport of cmath fixes for gcc65

[MacPorts]

#57656: backport of cmath fixes for gcc65
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  Reporter:  rmottola  |      Owner:  (none)
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:  gcc6 leopard snowleopard
      Port:  gcc6      |
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Changes (by rmottola):

 * Attachment "mp-gcc6-patches.zip" added.


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Ticket URL: <https://trac.macports.org/ticket/57656>
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