===================================================================
RCS file: /sources/libtool/libtool/Attic/libtool.m4,v
retrieving revision 1.314.2.198
diff -u -r1.314.2.198 libtool.m4
--- libtool.m4  14 Feb 2008 23:48:56 -0000      1.314.2.198
+++ libtool.m4  27 Feb 2008 20:11:32 -0000
@@ -6042,25 +6042,7 @@
       ;;
 
     darwin* | rhapsody*)
-      case $host_os in
-        rhapsody* | darwin1.[[012]])
-         _LT_AC_TAGVAR(allow_undefined_flag, $1)='${wl}-undefined ${wl}suppress'
-         ;;
-       *) # Darwin 1.3 on
-         if test -z ${MACOSX_DEPLOYMENT_TARGET} ; then
-           _LT_AC_TAGVAR(allow_undefined_flag, $1)='${wl}-flat_namespace ${wl}-undefined ${wl}suppress'
-         else
-           case ${MACOSX_DEPLOYMENT_TARGET} in
-             10.[[012]])
-               _LT_AC_TAGVAR(allow_undefined_flag, $1)='${wl}-flat_namespace ${wl}-undefined ${wl}suppress'
-               ;;
-             10.*)
-               _LT_AC_TAGVAR(allow_undefined_flag, $1)='${wl}-undefined ${wl}dynamic_lookup'
-               ;;
-           esac
-         fi
-         ;;
-      esac
+      _LT_AC_TAGVAR(allow_undefined_flag, $1)="$_lt_dar_allow_undefined"
       _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
       _LT_AC_TAGVAR(hardcode_direct, $1)=no
       _LT_AC_TAGVAR(hardcode_automatic, $1)=yes