[postgis-tickets] [PostGIS] #5091: configure --without-protobuf broken

[PostGIS]

#5091: configure --without-protobuf broken
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  Reporter:  tbussmann              |      Owner:  strk
      Type:  defect                 |     Status:  reopened
  Priority:  medium                 |  Milestone:  PostGIS 3.2.2
 Component:  build/upgrade/install  |    Version:  3.2.x
Resolution:                         |   Keywords:
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Comment (by tbussmann):

 I rechecked with master but no - that changes did not fix it for me.

 I got it to build when completely disabling the flatgeobuf support if
 protobuf-c is not available. But reading on the backgrounds of it, there
 should be no dependency as flatgeobuf is based on flatbuffers and not like
 geobuf on protbuf. So this was a red herring.

 Experimenting further, I found that the build succeeds if I remove the
 suppression of wagyu despite we don't need it w/o protobuf. As both
 require a C++ compiler I then carefully checked the generated LDFLAGS and
 found the culprit: a single 'W' character
 [source:/git/configure.ac at 3ae2c58#L1591] slipped in from copy&pasting the
 configure code in the original flatgeobuf changeset [3ae2c584/git]

 PR: https://github.com/postgis/postgis/pull/670

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5091#comment:7>
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