[postgis-tickets] [PostGIS] #3238: SFCGAL tests failing

[PostGIS]

#3238: SFCGAL tests failing
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  Reporter:  strk     |      Owner:  colivier
      Type:  defect   |     Status:  new
  Priority:  blocker  |  Milestone:  PostGIS 2.2.0
 Component:  sfcgal   |    Version:  trunk
Resolution:           |   Keywords:  testsing
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Comment (by robe):

 Is there something in our code that tries to maybe switch the backend back
 to geos?

 What I am noticing here, though its postgis_lib_version() triggering the
 issue, it doesn't happen if I call postgis_lib_version() directly.

 So as far as I can reckon, the postgis_lib_version() is maybe trying to
 flip back to geos (it's default state), and it can't do that when it's
 running with postgis_full_version();

 Anyrate, all works fine (aside from that annoying topology message), when
 I flip back to geos backend.

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/3238#comment:5>
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