[MacPorts] #55051: py-matplotlib: pre-C99 compatibility patch

[MacPorts]

#55051: py-matplotlib: pre-C99 compatibility patch
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  Reporter:  ccorn          |      Owner:  sean@…
      Type:  defect         |     Status:  assigned
  Priority:  Normal         |  Milestone:
 Component:  ports          |    Version:
Resolution:                 |   Keywords:  haspatch
      Port:  py-matplotlib  |
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Comment (by udbraumann):

 Instead of patching the code I propose to add the `-std=c99` switch to the
 C-compiler calls.

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Ticket URL: <https://trac.macports.org/ticket/55051#comment:5>
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