title: R_ext/eventloop.h: No such file error while installing rpy2 using pip
body: <p>When I try install rpy2 on Windows 10 using</p>
  
  <pre><code>pip install rpy2
  </code></pre>
  
  <p>I get the following error:</p>
  
  <pre><code>....
  ....
  .\rpy\rinterface\_rinterface.c(70): fatal error C1083: Cannot open include 
  file: 'R_ext/eventloop.h': No such file or directory
  error: command 'C:\\Program Files (x86)\\Microsoft Visual Studio 
  14.0\\VC\\BIN\\cl.exe' failed with exit status 2
  </code></pre>
  
  <p>Below, you can see all files under the R_ext folder:</p>
  
  <p><a href="https://i.stack.imgur.com/GsbDE.jpg" rel="noreferrer"><img src="https://i.stack.imgur.com/GsbDE.jpg" alt="enter image description here"></a></p>
  
  <p>As you can see from the screenshot above, there is no such eventloop.h file? </p>
  
  <p>I have the RStudio 3.4.3 version and RTools setup. The environment variables in system path are </p>
  
  <ul>
  <li>C:\Rtools\bin </li>
  <li>C:\Rtools\mingw_32\bin </li>
  <li>C:\Program Files\R\R-3.4.3\bin\</li>
  </ul>
  
  <p>I am using Python 3.6.4 version.</p>
  
  <p>I really got stuck, don't know what to do. I would appreciate your help.</p>