quite impossible that you see this message when doing dynamic linking.
If you compile your code statically (and if you use a pthread version
-of SimGrid -- see \ref faq_more_processes), you must absolutely
+of SimGrid), you must absolutely
specify <tt>-lpthread</tt> on the linker command line. As usual, this should
come after <tt>-lsimgrid</tt> on this command line.