title: How do I set a system property for compiling in Eclipse?
body: <p>When I build my project from the command line with Maven, I can pass in a property using </p>
  
  <pre><code>-Dsomeproperty=true
  </code></pre>
  
  <p>For example:</p>
  
  <pre><code> mvn clean package -Dsomeproperty=true
  </code></pre>
  
  <p>How do I do the same when building in Eclipse?</p>