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