[MacPorts] #62118: gdal @3.2.1+postgresql12+proj7 fails due to trying to build grib support even when the +grib variant isn't requested

[MacPorts]

#62118: gdal @3.2.1+postgresql12+proj7 fails due to trying to build grib support
even when the +grib variant isn't requested
---------------------------+--------------------
  Reporter:  cooljeanius   |      Owner:  (none)
      Type:  defect        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.6.4
Resolution:                |   Keywords:
      Port:  gdal, wgrib2  |
---------------------------+--------------------

Comment (by cooljeanius):

 Still happens with gdal 3.3.1 btw. Also, while I'm looking at the build
 output, would it be possible to turn off `-Wdocumentation` during the
 build process? It only serves to add noise that makes it harder to find
 the real error.

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Ticket URL: <https://trac.macports.org/ticket/62118#comment:5>
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