[Community] Rtree installation errors

[Ryan Miller]

I'm running into issues installing Rtree.  I've installed
spatialindex-1.4.0 on Ubuntu 9.04 and created the libraries
libspatialindex.so, libspatialindex.so.1, and libspatialindex.so.1.0.0.  It
appears Rtree is looking for libspatialindex_c.so, therefore when i enter
the line "from rtree import core" i get the following message:

...
Python 2.6.2 (release26-maint, Apr 19 2009, 01:56:41)
[GCC 4.3.3] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> from rtree import core
Traceback (most recent call last):
 File "<stdin>", line 1, in <module>
 File "rtree/__init__.py", line 8, in <module>
   from index import Rtree
 File "rtree/index.py", line 2, in <module>
   import core
 File "rtree/core.py", line 94, in <module>
   rt = ctypes.CDLL(lib_name)
 File "/usr/lib/python2.6/ctypes/__
init__.py", line 353, in __init__
   self._handle = _dlopen(self._name, mode)
OSError: libspatialindex_c.so: cannot open shared object file: No such
file or directory

I've tried changing the libspatialindex_c.so reference in core.py to
libspatialindex.so, but i then recieve an error stating:

OSError: /usr/local/lib/libspatialindex.so: undefined symbol:
_ZTVN10__cxxabiv121__vmi_class_type_infoE

Any suggestions would be greatly appreciated.
Thanks,
Ryan
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