[postgis-tickets] [PostGIS] #3423: CREATE EXTENSION postgis fails with "ERROR: could not load library "/usr/pgsql-9.5/lib/postgis-2.2.so": /usr/pgsql-9.5/lib/postgis-2.2.so: undefined symbol: GEOSClipByRect"

[PostGIS]

#3423: CREATE EXTENSION postgis fails with "ERROR:  could not load library
"/usr/pgsql-9.5/lib/postgis-2.2.so": /usr/pgsql-9.5/lib/postgis-2.2.so:
undefined symbol: GEOSClipByRect"
--------------------------+---------------------------
  Reporter:  motiumansky  |      Owner:  pramsey
      Type:  defect       |     Status:  new
  Priority:  medium       |  Milestone:  PostGIS 2.2.2
 Component:  postgis      |    Version:  2.2.x
Resolution:               |   Keywords:
--------------------------+---------------------------

Comment (by gdt):

 That symbol is in geos (3.5.0 anyway).   Are you using the same prefix
 pattern for 9.4, or do 9.4 and geos share a prefix?  This looks like a
 failure to set -L in the LDFLAGS of linking postgis.so (broadly; I realize
 the specific L, -rpath, etc. vary).

 Run ldd on postgis.so and see if it is finding all the shlibs, and in
 particular if it is finding the libgeos_c that you expect.

 (I have not tried with 9.5, but this looks like a postgis build issue, not
 a 9.5 issue to me.)

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/3423#comment:1>
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