"\tretrieved=`LANG=C;wget -N $(SIMGRID_URL)/simgrid-$(SIMGRID_VERSION).tar.gz 2>&1 | grep newer | sed 's/.*no newer.*/yes/'`; \\\n"
"\techo $$retrieved; \\\n"
"\tif test \"x$$retrieved\" = x; then \\\n"
"\t tar zxf simgrid-$(SIMGRID_VERSION).tar.gz ; \\\n"
"\t cd simgrid-$(SIMGRID_VERSION)/; \\\n"
"\tretrieved=`LANG=C;wget -N $(SIMGRID_URL)/simgrid-$(SIMGRID_VERSION).tar.gz 2>&1 | grep newer | sed 's/.*no newer.*/yes/'`; \\\n"
"\techo $$retrieved; \\\n"
"\tif test \"x$$retrieved\" = x; then \\\n"
"\t tar zxf simgrid-$(SIMGRID_VERSION).tar.gz ; \\\n"
"\t cd simgrid-$(SIMGRID_VERSION)/; \\\n"