title: What is -lnuma and what program uses it for compilation?
body: <p>I am compiling a message passing program using openmpi with mpicxx on a Linux desktop. My makefile does the following:</p>
  
  <pre><code>mpicxx -c readinp.cpp
  mpicxx -o exp_fit driver.cpp readinp.o 
  </code></pre>
  
  <p>at which point i get the following error:</p>
  
  <pre><code>/usr/lib64/gcc/x86_64-suse-linux/4.5/../../../../x86_64-suse-linux/bin/ld: cannot find -lnuma
  </code></pre>
  
  <p>My questions are: </p>
  
  <p>what is -lnuma? what is using it? how should i go about linking to it?</p>