Comment 3 for bug 881130

Same with virtualenv:

slash(pts/4):/tmp/e1% virtualenv .
slash(pts/4):/tmp/e1% bin/easy_install pycrypto
/tmp/e1/lib/python2.6/site-packages/distribute-0.6.10-py2.6.egg/setuptools/command/easy_install.py:198: UserWarning: Unbuilt egg for setuptools [unknown version] (/usr/lib/python2.6/dist-packages)
  self.local_index = Environment(self.shadow_path+sys.path)
Searching for pycrypto
Reading http://pypi.python.org/simple/pycrypto/
Reading http://www.pycrypto.org/
Reading http://pycrypto.sourceforge.net
Reading http://www.amk.ca/python/code/crypto
Best match: pycrypto 2.4
Downloading http://ftp.dlitz.net/pub/dlitz/crypto/pycrypto/pycrypto-2.4.tar.gz
Processing pycrypto-2.4.tar.gz
Running pycrypto-2.4/setup.py -q bdist_egg --dist-dir /tmp/easy_install-B41Ig2/pycrypto-2.4/egg-dist-tmp-_8DDme
Failure to get the list of managed files from darcs -- if you are building a package with 'setup.py sdist', 'setup.py bdist_egg', or other package-building commands, then the resulting package might be missing some files. If you are not building a package then you can ignore this warning.
error: Setup script exited with error: src/config.h: No such file or directory