diff --git a/THANKS b/THANKS
index 85c51509..211ffe1d 100644
--- a/THANKS
+++ b/THANKS
@@ -132,6 +132,7 @@
   Khem Raj                      raj.khem@gmail.com
   KO Myung-Hun			komh@chollian.net
   Kurt D. Zeilenga		Kurt@OpenLDAP.Org
+  Lawrence Velázquez		larryv@macports.com
   Lennart Poettering		lennart@poettering.net
   Lionel Landwerlin             llandwerlin@gmail.com
   Maciej Helminiak		dion2@wp.pl
diff --git a/m4/libtool.m4 b/m4/libtool.m4
index 320d8b36..068f0d8b 100644
--- a/m4/libtool.m4
+++ b/m4/libtool.m4
@@ -1043,7 +1043,7 @@ _LT_EOF
       case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
 	10.0,*86*-darwin8*|10.0,*-darwin[[91]]*)
 	  _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;;
-	10.[[012]]*)
+	10.[[012]][[,.]]*)
 	  _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;;
 	10.*)
 	  _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;;