title: How to build an .so binary for a device with a 64-bit CPU?
body: <p>As you know, Android L will support devices (mobile phones) based on a 64-bit target CPU (ARM).</p>
  
  <p>So I am preparing for native code binaries (<code>.so</code> file extension) for that kind of 64-bit Android phone.</p>
  
  <p>How can I build an <code>.so</code> binary for a 64-bit target with Android NDK?</p>