title: eclipse linking errors
body: <p>In trying to compile a cpp program using eclipse. I am running into the following linking error. </p>
  
  <pre><code>Description Resource    Path    Location    Type
  undefined reference to `gsl_isnan'  mrconvert       line 453, external location: C:\mrtrix\source\mrtrix-0.2.11\lib\mrtrix.h    C/C++ Problem
  </code></pre>
  
  <p>Firstly, I am not sure exactly how to located all the libraries which are required. Help in this regard much appreciated. </p>
  
  <p>However, when I do try to add a library to eclipse eg C:\GnuWin32\lib\libgsl
  "Project > Properties > C/C++ General > Paths and Symbols > Libraries. Under GNU C++ Clicking Add, then File System and putting in the path to the files. "</p>
  
  <p>I get this error:</p>
  
  <pre><code>Description Resource    Path    Location    Type
  cannot find -lC:/GnuWin32/lib/libgsl    mrconvert           C/C++ Problem
  </code></pre>
  
  <p>How do I properly link to libraries in eclipse?</p>
  
  <p>Much appreciated
  Jesse</p>