title: problems installing pycrypto on osx
body: <p>I'm trying to install a Django project onto my OSX machine, which requires PyCrypto.  I'm getting the following error:</p>
  
  <pre><code>running install
  running build
  running build_py
  running build_ext
  running build_configure
  checking for gcc... no
  checking for cc... no
  checking for cl.exe... no
  configure: error: in `/Users/home/Documents/tmp/dlitz-pycrypto-d2170a4':
  configure: error: no acceptable C compiler found in $PATH
  See `config.log' for more details
  Traceback (most recent call last):
    File "setup.py", line 486, in &lt;module&gt;
      core.setup(**kw)
    File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/core.py", line 152, in setup
    File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/dist.py", line 953, in run_commands
    File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/dist.py", line 972, in run_command
    File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/command/install.py", line 573, in run
    File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/cmd.py", line 326, in run_command
    File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/dist.py", line 972, in run_command
    File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/command/build.py", line 127, in run
    File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/cmd.py", line 326, in run_command
    File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/dist.py", line 972, in run_command
    File "setup.py", line 292, in run
      self.run_command(cmd_name)
    File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/cmd.py", line 326, in run_command
    File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/dist.py", line 972, in run_command
    File "setup.py", line 319, in run
      raise RuntimeError("autoconf error")
  RuntimeError: autoconf error
  </code></pre>