title: boot-class-path not allowed with target 11 failing on Windows
body: <p>I am upgrading IKVM codebase from Java 8  to Java 11, getting &quot;boot-class-path not allowed with target 11&quot;</p>
  <pre><code>&lt;target name=&quot;classes&quot; depends=&quot;clean-classes stubjars allsources.gen.lst AssemblyInfo.java PropertyConstants.java&quot;&gt;
      &lt;exec program=&quot;javac&quot; useruntimeengine=&quot;false&quot;&gt;
          &lt;arg value=&quot;-J-Xmx1536M&quot; /&gt;
          &lt;arg value=&quot;-g&quot; /&gt;
          &lt;arg value=&quot;-nowarn&quot; /&gt;
          &lt;arg value=&quot;-implicit:none&quot; /&gt;
          &lt;arg value=&quot;-parameters&quot; /&gt;
          &lt;arg line=&quot;-cp dummy&quot; /&gt;
          &lt;arg value=&quot;-bootclasspath&quot; /&gt;
          &lt;arg path=&quot;mscorlib.jar;System.jar;System.Core.jar;System.Data.jar;System.Drawing.jar;System.XML.jar;../runtime/IKVM.Runtime.jar&quot; /&gt;
          &lt;arg value=&quot;@allsources.gen.lst&quot; /&gt;
      &lt;/exec&gt;
  </code></pre>