title: How to get rid of _WIN32_WINNT not defined warning?
body: <pre><code>_WIN32_WINNT not defined. Defaulting to _WIN32_WINNT_MAXVER (see WinSDKVer.h)
  </code></pre>
  
  <p>This error keeps popping up during my compilation. It doesn't seem to affect compilation, but how should I get rid of it? Am I risking anything by ignoring it?</p>