--- pidgin-privacy-please-0.7.1/configure.ac
+++ pidgin-privacy-please-0.7.1/configure.ac
@@ -1,11 +1,15 @@
 #                                               -*- Autoconf -*-
 # Process this file with autoconf to produce a configure script.
 
-AC_PREREQ(2.59)
+AC_PREREQ([2.69])
 AC_INIT([pidgin-privacy-please],[0.7.1],[stefan@ott.net])
 AC_CANONICAL_TARGET([])
 AM_INIT_AUTOMAKE([1.9.5])
 
+AC_CONFIG_MACRO_DIR([m4])
+AM_GNU_GETTEXT(external)
+AM_GNU_GETTEXT_VERSION(0.22)
+
 REQUIRED_PKG_CONFIG="0.15.0"
 AC_SUBST(REQUIRED_PKG_CONFIG)
 
@@ -13,15 +17,15 @@
 AC_SUBST(REQUIRED_PIDGIN)
 
 AC_CONFIG_SRCDIR([src/pidgin-pp.c])
-AC_CONFIG_HEADER([config.h])
+AC_CONFIG_HEADERS([config.h])
 
 AC_DEFINE(PIDGIN_PLUGINS, 1, [Define if plugins are enabled.])
 
 # Checks for programs.
 AC_PROG_CC
 AC_DISABLE_STATIC
-AC_LIBTOOL_WIN32_DLL
-AC_PROG_LIBTOOL
+
+LT_INIT
 LIBTOOL="$LIBTOOL --silent"
 AC_PROG_INSTALL
 AC_PATH_PROG(PKG_CONFIG, [pkg-config], [no])
@@ -32,7 +36,7 @@
 #
 # Setup gettext
 #
-AC_PROG_INTLTOOL
+IT_PROG_INTLTOOL
 GETTEXT_PACKAGE=pidgin-privacy-please
 AC_SUBST(GETTEXT_PACKAGE)
 AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE, ["$GETTEXT_PACKAGE"], [Define the gettext package to be used])
@@ -62,8 +66,6 @@
 AC_SUBST(PIDGIN_DATADIR)
 AC_SUBST(PIDGIN_LIBDIR)
 
-# Checks for header files.
-AC_HEADER_STDC
 AC_CHECK_HEADERS([stdlib.h string.h])
 
 # AM_CONFIG_HEADER