Traceback (most recent call last):
  File "/home/ubuntu/galaxy-es/lib/galaxy/earthsystem/gridftp_security/gridftp_acl_plugin.py", line 2, in <module>
    import galaxy.eggs
  File "/home/ubuntu/galaxy-es/lib/galaxy/eggs/__init__.py", line 5, in <module>
    import os, sys, shutil, glob, urllib, urllib2, ConfigParser, HTMLParser, zipimport, zipfile
  File "/usr/lib/python2.7/zipfile.py", line 6, in <module>
    import io
  File "/usr/lib/python2.7/io.py", line 60, in <module>
    import _io
ImportError: /usr/lib/python2.7/lib-dynload/_io.so: undefined symbol: PyExc_ImportError

Python 2.7.1+ (r271:86832, Apr 11 2011, 18:13:53)
[GCC 4.5.2] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import galaxy.eggs
>>>

SET ( CMAKE_SHARED_LINKER_FLAGS "/usr/lib/python2.7/lib-dynload/datetime.so" )

g++ -shared -o libfoo.so foo.o -lbar -lzab /usr/lib/python2.7/lib-dynload/datetime.so

// new line of code
void*const libpython_handle = dlopen("libpython2.6.so", RTLD_LAZY | RTLD_GLOBAL);

PyInitialize();