title: refresh eclipse cdt system includes
body: <p>I'm using ecipse cdt developing c++ program. A problem is I moved all my workspace and eclipse package from turbolinux to centos linux. Then it cause a problem, that is system includes are different, but eclipse didn't refresh the include paths. And all the std container classes can not be solved. </p>
  
  <p>Anyone know how to fix this problem? </p>