[postgis-tickets] [PostGIS] #4322: Update Proj handling to use new API

[PostGIS]

#4322: Update Proj handling to use new API
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 Reporter:  pramsey      |      Owner:  pramsey
     Type:  enhancement  |     Status:  assigned
 Priority:  critical     |  Milestone:  PostGIS 3.0.0
Component:  postgis      |    Version:  trunk
 Keywords:               |
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 proj_api.h is deprecated, we are supposed to use proj.h going forwards, so
 for proj6+ we should probably do the "new thing". Might want to also
 consider using the WKT instead of the proj code, for an eventual removal
 of the proj4text column from spatial_ref_sys.

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/4322>
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