Bugs item #3277614, was opened at 2011-04-06 18:09
Message generated for change (Tracker Item Submitted) made by schtob
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Category: Installation/Building
Group: 2.3.x
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Tobias Schmidt (schtob)
Assigned to: Nobody/Anonymous (nobody)
Summary: undefined symbol in python when compiling without EIGEN2
Initial Comment:
When I compiled openbabel (version 2.3.0) without EIGEN2, I get an undefined
symbol error when importing openbabel into python (see error message below). As
soon as I included EIGEN2 (using -DEIGEN2_INCLUDE_DIR) everything works fine.
If I understood correctly, EIGEN2 is optional. In that case, I guess there is a
missing #ifdef. Otherwise, cmake should give an error if EIGEN2 is missing.
My system: RedHat Linux, python 2.5.4, openbabel 2.3.0
Python 2.5.4 (r254:67916, Mar 25 2009, 14:31:21)
[GCC 4.1.2 20071124 (Red Hat 4.1.2-42)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import openbabel
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/soft/openbabel/2.3.0/lib/python2.5/site-packages/openbabel.py", line
87, in <module>
import _openbabel
ImportError: /soft/openbabel/2.3.0/lib/python2.5/site-packages/_openbabel.so:
undefined symbol: _ZTVN9OpenBabel22OBEnergyConformerScoreE
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