title: How to use a for loop in make recipe
body: <p>I would like to use a loop to find some files and rename them:</p>
  
  <pre><code>  for i in `find $@  -name *_cu.*`;do mv $i "$(echo $i|sed s/_cu//)"
    done
  </code></pre>
  
  <p>This works in the shell. But how can I do this in a makefile recipe?</p>