title: Error installing valgrind
body: <p>i try to install valgrind on my mac but when I execute <code>./autogen.sh</code> get this error:</p>
  
  <pre><code>running: aclocal
  ./autogen.sh: line 6: aclocal: command not found
  error: while running 'aclocal'
  </code></pre>
  
  <p>does anybody know how to solve this?</p>