title: Error "gnu/stubs-32.h: No such file or directory" while compiling Nachos source code
body: <p>I am trying to install Nachos on my laptop and I have Ubuntu 11.04 on the laptop. </p>
  
  <p>The code is in C and so to build it  I assume I will need cross compiler. This is where my problem is. I downloaded the source code of the MIPS cross compiler using the command </p>
  
  <pre><code>  wget http://mll.csie.ntu.edu.tw/course/os_f08/assignment/mips-decstation.linux-xgcc.gz
  </code></pre>
  
  <p>and I unzipped it using </p>
  
  <pre><code>tar zxvf mips-decstation.linux-xgcc.gz      
  </code></pre>
  
  <p>This is okay, but when I try to build the source code of the nachos os, using make, I get this error -</p>
  
  <pre><code>/usr/include/gnu/stubs.h:7:27: fatal error: gnu/stubs-32.h: No such file or directory compilation terminated. make: *** [bitmap.o] Error 1
  </code></pre>
  
  <p>I am trying to follow the instructions given over here - <a href="http://mll.csie.ntu.edu.tw/course/os_f08/217.htm" rel="noreferrer">http://mll.csie.ntu.edu.tw/course/os_f08/217.htm</a> and everything is working fine except when I try to use make.</p>