-let _, libxmlI, _ = Conf.exec "pkg-config --cflags-only-I libxml++-2.6";;
-let libxmlI = Conf.explode (libxmlI);;
+Conf.check "bp" (Conf.absolute) ("%s/../bp/libbp.a") (Sys.file_exists);;
+Conf.check "libcds" (Conf.absolute) ("%s/../libcds/lib/libcds.a") (Sys.file_exists);;
+Conf.check "XMLTree" (Conf.absolute) ("%s/../XMLTree/libXMLTree.a") (Sys.file_exists);;
+Conf.check "TextCollection" (Conf.absolute) ("%s/../TextCollection/libTextCollection.a") (Sys.file_exists);;
+Conf.check "Grammar" (Conf.absolute) ("%s/../Grammar/libGrammar.a") (Sys.file_exists);;