title: Win32 to Win64 porting compilation issue
body: <p>I am porting a project from Win32 to Win64. We are using make file but we get the following error</p>
  
  <pre><code>1&gt;c:\program files (x86)\microsoft visual studio 9.0\vc\include\codeanalysis\sourceannotations.h(17) : error C2371: 'size_t' : redefinition; different basic types1&gt;
          binding.cpp : see declaration of 'size_t'
  
          C:\Program Files\Microsoft SDKs\Windows\v6.0A\Include\winnt.h(81) : fatal error C1189: #error :  "No Target Architecture"
  </code></pre>
  
  <p>We are copmiling with following CFLAGS:</p>
  
  <blockquote>
    <p>1> cl.exe   /nologo  /MTd /GR /W3 /Zi /EHsc /Od  /I "....\include" /I"C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\include" /I"C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\PlatformSDK\include" /I"C:\Program Files\Microsoft SDKs\Windows\v6.0A\Include" /D_X86_  /D_WIN64 /D_WIN32 /D "_DEBUG" /D "_WINDOWS" /D_CRT_SECURE_NO_WARNINGS /Fo".\Debug\" /Fd".\Debug\" /FD /c "test.cpp" </p>
  </blockquote>
  
  <p>I don't know which settings I am missing.</p>