Recently, Steve Lime reconfigured MapServer to use the GEOS C API
instead of the C++ one. Python Cartographic Library, which builds on
MapServer and GEOS, among other things, *also* uses the GEOS C
API. Each subsystem doesn't know when the other is calling
initGEOS/finishGEOS, and on teardown, this is causing a segfault
because the geomFactory has already been destroyed.
After some discussion on #gdal with Frank, Norman, and Mateusz, we
suggest that initGEOS/finishGEOS do some reference counting to ensure
that geomFactory isn't prematurely destroyed.
Does this seem reasonable?
Howard
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