[PostGIS] #5624: Provide more info about out of date geos when checking PostGIS_Full_Version() ;

[PostGIS]

#5624: Provide more info about out of date geos when checking
PostGIS_Full_Version() ;
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  Reporter:  Lars Aksel Opsahl  |      Owner:  strk
      Type:  defect             |     Status:  new
  Priority:  medium             |  Milestone:  PostGIS 3.5.0
 Component:  upgrade            |    Version:  3.4.x
Resolution:                     |   Keywords:
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Comment (by strk):

 Note that if the version of GEOS used when compiling does not match the
 version of GEOS found at runtime should already be giving you the compiled
 version in parens, right after the runtime version.

 I'm thinking we should really have a JSON flavor of this version function
 as it would be much easier to parse.

 Feel free to file a ticket on the GEOS side to expose an web endpoint to
 report what the latest version is, btw, as that endpoint would be needed
 shall you decide to implement the check you are asking for in your custom
 code.
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5624#comment:4>
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