[PostGIS] #5985: Can't do configure on trixie for stable-3.3 thru stable-3.5 branches

[PostGIS]

#5985: Can't do configure on trixie for stable-3.3 thru stable-3.5 branches
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  Reporter:  robe     |      Owner:  robe
      Type:  defect   |     Status:  assigned
  Priority:  medium   |  Milestone:  PostGIS 3.3.9
 Component:  postgis  |    Version:  3.5.x
Resolution:           |   Keywords:
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Comment (by robe):

 Okay I see that @strk made changes 3 months ago to account for newer
 Debian autoconf at [eca9f43e69/git]  so I'll try to back port that to 3.3
 - 3.5 to see if it fixes my configure issue
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5985#comment:1>
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