--- rpl/Makefile.am	2011/07/22 07:38:00	1.28
+++ rpl/Makefile.am	2011/09/07 18:53:53	1.29
@@ -13,7 +13,7 @@ EXTRA_DIST = LIMITATIONS Licence_CeCILL_
 
 licences:
 	cp -f $(top_builddir)/COPYING $(srcdir)
-	make -C src $@
+	$(MAKE) -C src $@
 
 toolsdistclean:
 	for i in @NCURSES@ @READLINE@ @UNITS@ @GSL@ @GPP@ @GNUPLOT_COMPILATION@ \