[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 ccorn):

 Replying to [comment:8 seanfarley]:
 > It seems that `configure.cflags` should be passed to `build.cmd` all the
 time and that it's a bug currently.
 Looking at the portgroup `python-1.0.tcl` I agree with that sentiment. The
 only reason `CFLAGS` etc are in the `build.env` at all is due to the
 `default python.add_archflags yes`, and the corresponding code sets
 `CFLAGS` only to the archflags. By overwriting, not by appending. Thus no
 optflags are passed to `setup.py` ever. But matplotlib's `setup.py`
 prepends its own flags nevertheless: I find `-DNDEBUG -g -fwrapv -O3
 -Wall` in the log. Perhaps the portgroup designer trusts `setup.py` to do
 the right thing more often than generic MacPorts CFLAGS could.

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Ticket URL: <https://trac.macports.org/ticket/55051#comment:9>
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