--- parser3/aclocal.m4	2002/11/25 15:36:36	1.13
+++ parser3/aclocal.m4	2002/12/15 13:31:34	1.16.2.1
@@ -11,6 +11,7 @@ dnl even the implied warranty of MERCHAN
 dnl PARTICULAR PURPOSE.
 
 
+
 # AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for
 # the libltdl convenience library and INCLTDL to the include flags for
 # the libltdl header and adds --enable-ltdl-convenience to the
@@ -22,6 +23,11 @@ dnl PARTICULAR PURPOSE.
 # flat and you're not using automake, define top_builddir and
 # top_srcdir appropriately in the Makefiles.
 AC_DEFUN(AC_LIBLTDL_CONVENIENCE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
+  case "$enable_ltdl_convenience" in
+  no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;;
+  "") enable_ltdl_convenience=yes
+      ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;;
+  esac
   LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdlc.a
   INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
 ])