dnl  OpenVPN -- An application to securely tunnel IP networks
 dnl             over a single UDP port, with support for SSL/TLS-based
 dnl             session authentication and key exchange,
 dnl             packet encryption, packet authentication, and
 dnl             packet compression.
 dnl
 dnl  Copyright (C) 2008-2012 Alon Bar-Lev <alon.barlev@gmail.com>
 dnl
 dnl  This program is free software; you can redistribute it and/or modify
 dnl  it under the terms of the GNU General Public License as published by
 dnl  the Free Software Foundation; either version 2 of the License, or
 dnl  (at your option) any later version.
 dnl
 dnl  This program is distributed in the hope that it will be useful,
 dnl  but WITHOUT ANY WARRANTY; without even the implied warranty of
 dnl  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 dnl  GNU General Public License for more details.
 dnl

 dnl  You should have received a copy of the GNU General Public License along
 dnl  with this program; if not, write to the Free Software Foundation, Inc.,
 dnl  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

 
 dnl Compatibility layer for <autoconf-2.60 <automake-1.10
 dnl REMOVE THIS IN FUTURE!
 
 ifdef(
 	[AS_VAR_IF],
 	,
 	[
 		AC_DEFUN([AS_VAR_IF], [dnl
 			if test "$$1" = "$2"; then
 				m4_ifval([$3], [$3], [:])
 			else
 				m4_ifval([$4], [$4], [:])
 			fi
 		])
 	]
 )
 ifdef(
 	[AC_USE_SYSTEM_EXTENSIONS],
 	,
 	[AC_DEFUN([AC_USE_SYSTEM_EXTENSIONS], [GNU_SOURCE])]
 )
 ifdef(

 	[AC_PROG_SED],
 	,
 	[AC_DEFUN([AC_PROG_SED], [AC_CHECK_PROGS([SED], [sed])])]
 )
 ifdef(

 	[PKG_CHECK_VAR],
 	,
 	[
 		AC_DEFUN([PKG_CHECK_VAR],
 		[AC_REQUIRE([PKG_PROG_PKG_CONFIG])
 		AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])
 
 		_PKG_CONFIG([$1], [variable="][$3]["], [$2])
 		AS_VAR_COPY([$1], [pkg_cv_][$1])
 
 		AS_VAR_IF([$1], [""], [$5], [$4])
 		])
 	]
 )
 

 if test -z "${docdir}"; then
 	docdir="\$(datadir)/doc/\$(PACKAGE_NAME)"
 	AC_SUBST([docdir])
 fi
 if test -z "${htmldir}"; then
 	htmldir="\$(docdir)"
 	AC_SUBST([htmldir])
 fi