title: sudo pecl install apc returns error
body: <p>I run the command: <code>sudo pecl install apc</code></p>
  
  <p>The file gets downloaded, the configuration succeeds, then <code>make</code> is launched and I get the following error.</p>
  
  <p><code>/usr/include/php5/ext/pcre/php_pcre.h:29: fatal error: pcre.h: No such file or directory</code></p>
  
  <p>Is there a way to fix it?</p>