title: OpenGL Ubuntu 12.04 QtCreator - undefined reference to `__glewTexImage3D'
body: <p>I try to run the code from the website.It can work in Win7,but it have error in Ubuntu. </p>
  
  <pre><code>error: undefined reference to `__glewTexImage3D'
  </code></pre>
  
  <p>I fixed some error refer to <a href="https://stackoverflow.com/questions/21509367/opengl-ubuntu-13-10-qtcreator-undefined-reference-to-glutmainloop">this question</a> but still got error in glew related.I downloaded glew module and add <code>unix: LIBS += -lglew</code> to pro file.but got <code>error: cannot find -lglew</code> Can someone tell me how to deal with glew.lib file.</p>