[PostGIS] #5796: Build without pgxs

[PostGIS]

#5796: Build without pgxs
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  Reporter:  robe    |      Owner:  strk
      Type:  defect  |     Status:  new
  Priority:  medium  |  Milestone:  PostGIS 3.7.0
 Component:  build   |    Version:  master
Resolution:          |   Keywords:
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Changes (by strk):

 * priority:  blocker => medium

Comment:

 I've downgraded to medium, although I feel this would be "low" instead.
 Regina if you think priority is higher please say why.
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5796#comment:2>
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