title: two identical pattern rules what would happen?
body: <p>I have the following situation: In one makefile I have two identical pattern rules.</p>
  
  <pre><code>%.hex: %.ihex
      cp $&lt; $@
  </code></pre>
  
  <p>few lines further</p>
  
  <pre><code>%.hex: %.ihex
      cp $&lt; $@
  </code></pre>
  
  <p>What is actually happening, when the second pattern rule is encountered?</p>