title: Libxml2 installation onto Mac
body: <p>I'm trying to install "libxml2" and "libxslt" in order to use scrapy (web scraping with python) on a mac.</p>
  
  <p>I have homebrew and I ran 
  <code>$ brew install libxml2 libxslt</code></p>
  
  <p>I get this message 
  <code>OS X already provides this software and installing another version in parallel can cause all kinds of trouble.</code></p>
  
  <p>When I try to instal scrapy, using 
  <code>$ pip install scrapy</code></p>
  
  <p>I get this error:</p>
  
  <pre><code>Could not find function xmlCheckVersion in library libxml2. Is libxml2 installed?
      Perhaps try: xcode-select --install
  </code></pre>
  
  <p>When I try
  <code>$ xcode-select libxml2 install</code>
  I get an invalid argument error.</p>
  
  <p>Any suggestions?</p>