error: Unable to find vcvarsall.bat
<p>I'm trying to install dulwich for bzr-git.
now, I use Python 2.6 based bazaar.
(I use msys.)</p>

<p>My steps are as follows:</p>

<pre><code>$ bzr branch lp:dulwich
$ cd dulwich/
$ python setup.py install
running install
running build
running build_py
creating build

:
:

creating build\lib.win32-2.6\dulwich\tests
:
:
running build_ext
building 'dulwich._objects' extension
error: Unable to find vcvarsall.bat
</code></pre>

<p>If you know any hints, tell me please.</p>
