title: Apache undefined symbol: ap_log_rerror
body: <p>I am trying to install mod_evasive into my Apache 2.4
  I run </p>
  
  <pre><code>apxs2 -cia mod_evasive20.c
  </code></pre>
  
  <p>But when i am trying to start the server i get this error</p>
  
  <pre><code>httpd: Syntax error on line 177 of /usr/local/apache2/conf/httpd.conf: Cannot load modules/mod_evasive20.so into server: /usr/local/apache2/modules/mod_evasive20.so: undefined symbol: ap_log_rerror
  </code></pre>
  
  <p>Line 177 is simple</p>
  
  <pre><code> LoadModule evasive20_module modules/mod_evasive20.so
  </code></pre>
  
  <p>Can anyone help me?
  Thnx in advance :)</p>