[MacPorts] #57404: gcc48: backport of cmath fixes

[MacPorts]

#57404: gcc48: backport of cmath fixes
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  Reporter:  rmottola  |      Owner:  (none)
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:  haspatch
      Port:  gcc48     |
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Comment (by rmottola):

 I udnerstand that all versions up to gcc7 when it was fixed are affected.
 I didn't think gcc5 was used at all in ports?
 With some fuzz, using either the gcc48 or the gcc6 patches will probably
 apply to gcc49 and gcc5

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Ticket URL: <https://trac.macports.org/ticket/57404#comment:4>
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