Egenix-mx-base install not working (with virtualenv, python 2.7 on ubuntu linux 11.04)

I can't install egenix-mx-base on ubuntu, neither using easy_install
[1] nor using "python setup.py install"[2]. Somehow installing using
easy_install it thinks that I'm on a windows machine, which clearly is
not the case[3]. Is there some workaround?

[1]:

$ python setup.py install
running install
no build data file 'build/build-py2.7_ucs4.pck' found
running build
running mx_autoconf
error: None

[2]:

$ easy_install egenix-mx-base
Searching for egenix-mx-base
Reading http://pypi.python.org/simple/egenix-mx-base/
Reading http://www.egenix.com/products/python/mxBase/
Reading http://www.lemburg.com/python/mxExtensions.html
Reading http://www.egenix.com/
Best match: egenix-mx-base 3.1.2
Downloading http://downloads.egenix.com/python/egenix-mx-base-3.1.2.tar.gz
Processing egenix-mx-base-3.1.2.tar.gz
Running egenix-mx-base-3.1.2/setup.py -q bdist_egg --dist-dir
/tmp/easy_install-XjiwwV/egenix-mx-base-3.1.2/egg-dist-tmp-CgoVf8
Warning: Can't read registry to find the necessary compiler setting
Make sure that Python modules _winreg, win32api or win32con are installed.
error: Setup script exited with error: None

[3]:

$ python
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 sys
>>> sys.platform
'linux2'


-- 
Leonardo Santagada


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