diff --git a/aclocal.m4 b/aclocal.m4
index 5401d28..d78e9d0 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1,6 +1,6 @@
-# generated automatically by aclocal 1.7 -*- Autoconf -*-
+# aclocal.m4 generated automatically by aclocal 1.6.3 -*- Autoconf -*-
 
-# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002
+# Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002
 # Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -43,7 +43,7 @@
 # CC etc. in the Makefile, will ask for an AC_PROG_CC use...
 
 
-AC_PREREQ([2.54])
+AC_PREREQ([2.52])
 
 # Autoconf 2.50 wants to disallow AM_ names.  We explicitly allow
 # the ones we care about.
@@ -69,16 +69,6 @@
   AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
 fi
 
-# test whether we have cygpath
-if test -z "$CYGPATH_W"; then
-  if (cygpath --version) >/dev/null 2>/dev/null; then
-    CYGPATH_W='cygpath -w'
-  else
-    CYGPATH_W=echo
-  fi
-fi
-AC_SUBST([CYGPATH_W])
-
 # Define the identity of the package.
 dnl Distinguish between old-style and new-style calls.
 m4_ifval([$2],
@@ -110,29 +100,17 @@
 AC_REQUIRE([AC_PROG_MAKE_SET])dnl
 
 _AM_IF_OPTION([no-dependencies],,
-[AC_PROVIDE_IFELSE([AC_PROG_CC],
+[AC_PROVIDE_IFELSE([AC_PROG_][CC],
                   [_AM_DEPENDENCIES(CC)],
-                  [define([AC_PROG_CC],
-                          defn([AC_PROG_CC])[_AM_DEPENDENCIES(CC)])])dnl
-AC_PROVIDE_IFELSE([AC_PROG_CXX],
+                  [define([AC_PROG_][CC],
+                          defn([AC_PROG_][CC])[_AM_DEPENDENCIES(CC)])])dnl
+AC_PROVIDE_IFELSE([AC_PROG_][CXX],
                   [_AM_DEPENDENCIES(CXX)],
-                  [define([AC_PROG_CXX],
-                          defn([AC_PROG_CXX])[_AM_DEPENDENCIES(CXX)])])dnl
+                  [define([AC_PROG_][CXX],
+                          defn([AC_PROG_][CXX])[_AM_DEPENDENCIES(CXX)])])dnl
 ])
 ])
 
-
-# When config.status generates a header, we must update the stamp-h file.
-# This file resides in the same directory as the config header
-# that is generated.  The stamp files are numbered to have different names.
-
-# Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
-# loop where config.status creates the headers, so we can generate
-# our stamp files there.
-AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
-[_am_stamp_count=`expr ${_am_stamp_count-0} + 1`
-echo "timestamp for $1" >`AS_DIRNAME([$1])`/stamp-h[]$_am_stamp_count])
-
 # Copyright 2002  Free Software Foundation, Inc.
 
 # This program is free software; you can redistribute it and/or modify
@@ -153,14 +131,14 @@
 # ----------------------------
 # Automake X.Y traces this macro to ensure aclocal.m4 has been
 # generated from the m4 files accompanying Automake X.Y.
-AC_DEFUN([AM_AUTOMAKE_VERSION],[am__api_version="1.7"])
+AC_DEFUN([AM_AUTOMAKE_VERSION],[am__api_version="1.6"])
 
 # AM_SET_CURRENT_AUTOMAKE_VERSION
 # -------------------------------
 # Call AM_AUTOMAKE_VERSION so it can be traced.
 # This function is AC_REQUIREd by AC_INIT_AUTOMAKE.
 AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
-	 [AM_AUTOMAKE_VERSION([1.7])])
+	 [AM_AUTOMAKE_VERSION([1.6.3])])
 
 # Helper functions for option handling.                    -*- Autoconf -*-
 
@@ -555,9 +533,6 @@
 fi
 ])
 AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type])
-AM_CONDITIONAL([am__fastdep$1], [
-  test "x$enable_dependency_tracking" != xno \
-  && test "$am_cv_$1_dependencies_compiler_type" = gcc3])
 ])
 
 
@@ -677,9 +652,7 @@
      [AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"])
 ])
 
-# Check to see how 'make' treats includes.	-*- Autoconf -*-
-
-# Copyright (C) 2001, 2002 Free Software Foundation, Inc.
+# Copyright 2001 Free Software Foundation, Inc.             -*- Autoconf -*-
 
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -719,7 +692,7 @@
 # In particular we don't look at `^make:' because GNU make might
 # be invoked under some other name (usually "gmake"), in which
 # case it prints its new name instead of `make'.
-if test "`$am_make -s -f confmf 2> /dev/null | grep -v 'ing directory'`" = "done"; then
+if test "`$am_make -s -f confmf 2> /dev/null | fgrep -v 'ing directory'`" = "done"; then
    am__include=include
    am__quote=
    _am_result=GNU
@@ -779,7 +752,7 @@
 fi
 AC_CONFIG_COMMANDS_PRE(
 [if test -z "${$1_TRUE}" && test -z "${$1_FALSE}"; then
-  AC_MSG_ERROR([conditional "$1" was never defined.
+  AC_MSG_ERROR([conditional \"$1\" was never defined.
 Usually this means the macro was only invoked conditionally.])
 fi])])
 
@@ -806,6 +779,58 @@
 
 # serial 6
 
-# AM_CONFIG_HEADER is obsolete.  It has been replaced by AC_CONFIG_HEADERS.
-AU_DEFUN([AM_CONFIG_HEADER], [AC_CONFIG_HEADERS($@)])
+# When config.status generates a header, we must update the stamp-h file.
+# This file resides in the same directory as the config header
+# that is generated.  We must strip everything past the first ":",
+# and everything past the last "/".
+
+# _AM_DIRNAME(PATH)
+# -----------------
+# Like AS_DIRNAME, only do it during macro expansion
+AC_DEFUN([_AM_DIRNAME],
+       [m4_if(regexp([$1], [^.*[^/]//*[^/][^/]*/*$]), -1,
+	      m4_if(regexp([$1], [^//\([^/]\|$\)]), -1,
+		    m4_if(regexp([$1], [^/.*]), -1,
+			  [.],
+			  patsubst([$1], [^\(/\).*], [\1])),
+		    patsubst([$1], [^\(//\)\([^/].*\|$\)], [\1])),
+	      patsubst([$1], [^\(.*[^/]\)//*[^/][^/]*/*$], [\1]))[]dnl
+])# _AM_DIRNAME
+
+
+# The stamp files are numbered to have different names.
+# We could number them on a directory basis, but that's additional
+# complications, let's have a unique counter.
+m4_define([_AM_STAMP_Count], [0])
+
+
+# _AM_STAMP(HEADER)
+# -----------------
+# The name of the stamp file for HEADER.
+AC_DEFUN([_AM_STAMP],
+[m4_define([_AM_STAMP_Count], m4_incr(_AM_STAMP_Count))dnl
+AS_ESCAPE(_AM_DIRNAME(patsubst([$1],
+                               [:.*])))/stamp-h[]_AM_STAMP_Count])
+
+
+# _AM_CONFIG_HEADER(HEADER[:SOURCES], COMMANDS, INIT-COMMANDS)
+# ------------------------------------------------------------
+# We used to try to get a real timestamp in stamp-h.  But the fear is that
+# that will cause unnecessary cvs conflicts.
+AC_DEFUN([_AM_CONFIG_HEADER],
+[# Add the stamp file to the list of files AC keeps track of,
+# along with our hook.
+AC_CONFIG_HEADERS([$1],
+                  [# update the timestamp
+echo 'timestamp for $1' >"_AM_STAMP([$1])"
+$2],
+                  [$3])
+])# _AM_CONFIG_HEADER
+
+
+# AM_CONFIG_HEADER(HEADER[:SOURCES]..., COMMANDS, INIT-COMMANDS)
+# --------------------------------------------------------------
+AC_DEFUN([AM_CONFIG_HEADER],
+[AC_FOREACH([_AM_File], [$1], [_AM_CONFIG_HEADER(_AM_File, [$2], [$3])])
+])# AM_CONFIG_HEADER