Use duplicate symtable instead of symtable for enum constant value table (this will later allow us to detect semantic errors in IEC 61131-3 source code)
# ltversion.m4 -- version numbers -*- Autoconf -*-
#
# Copyright (C) 2004 Free Software Foundation, Inc.
# Written by Scott James Remnant, 2004
#
# This file is free software; the Free Software Foundation gives
# unlimited permission to copy and/or distribute it, with or without
# modifications, as long as this notice is preserved.
# Generated from ltversion.in.
# serial 3017 ltversion.m4
# This file is part of GNU Libtool
m4_define([LT_PACKAGE_VERSION], [2.2.6b])
m4_define([LT_PACKAGE_REVISION], [1.3017])
AC_DEFUN([LTVERSION_VERSION],
[macro_version='2.2.6b'
macro_revision='1.3017'
_LT_DECL(, macro_version, 0, [Which release of libtool.m4 was used?])
_LT_DECL(, macro_revision, 0)
])