title: What is the fix for "NMAKE: fatal error u1073"?
body: <p>I am trying to install apr-1.4.5 in Windows. When I try the following,</p>
  
  <pre><code>nmake Makefile.win PREFIX="c:\Program Files\apr"
  </code></pre>
  
  <p>I get the following error:</p>
  
  <pre><code>NMAKE: fatal error u1073: Dont know how to make 'Makefile.win'
  </code></pre>
  
  <p>Does anyone know the reason for this and how to resolve this error?</p>