[postgis-users] Cygwin/CVS/GEOS compile question

[Norman Vine]

Eliot Cline  writes:
  I have setup PostgreSQL/postgis-0.75 succesfully using Cygwin on a Win2K
box. I would really like to try out the features of the cvs version using
the geos libs. However I cant get the cvs version to compile under
Win2K/Cygwin. I get a heap of error messages like:

  /usr/local/lib/libgeos.a(CentroidArea.o)(.text+0x4aa): In function
  `_ZN4geos12CentroidArea3addEPNS_8GeometryE':
  /usr/src/geos-20030916/source/geom/../algorithm/CentroidArea.cpp:44:
  undefined reference to `___cxa_bad_typeid'

  I tried using "LDFLAGS=-lstdc++ ./configure --other-options" to compile
postgres. When running ldd to check the whether the lib got linked to the
postgres .exe I don't see libstdc++ in the list. Is this because there is no
libstdc++.dll on my system? If so, is there a workaround (other than
switching to Linux)? Or am I totally off the mark and the problem is
something else?

  Libtool on Win32 doesn't automagically pick up that c++ files need to be
compiled with c++
  so you gave to configure this explicitly

  so you need to do something like
  ./autogen.sh
  gcc=c++ ./configure
  make

  HTH

  Norman
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