svn checkout svn://scm.gforge.inria.fr/svn/simgrid/simgrid/trunk simgrid-trunk --quiet
cd simgrid-trunk
-sh ./buildtools/pipol/liste_install.sh
sh ./buildtools/pipol/install_gtnets.sh ./gtnets_install
SIMGRID_ROOT=`pwd`
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$SIMGRID_ROOT/gtnets_install/lib