[postgis-tickets] [PostGIS] #4860: Fails to build with PROJ 8.0.0

[PostGIS]

#4860: Fails to build with PROJ 8.0.0
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  Reporter:  Bas Couwenberg         |      Owner:  strk
      Type:  defect                 |     Status:  new
  Priority:  high                   |  Milestone:  PostGIS 3.1.2
 Component:  build/upgrade/install  |    Version:  3.1.x
Resolution:                         |   Keywords:
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Comment (by Bas Couwenberg):

 The attached patch fixes the issue for me, it uses `AC_CHECK_LIB` with
 `proj_info` (which is available in `proj.h`) as a second opinion when
 `AC_CHECK_LIB` with `pj_get_release` (which was in `proj_api.h`) fails.

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/4860#comment:1>
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