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# ===========================================================================
# http://www.gnu.org/software/autoconf-archive/ax_type_socklen_t.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_TYPE_SOCKLEN_T
#
# DESCRIPTION
#
# Check whether sys/socket.h defines type socklen_t. Please note that some
# systems require sys/types.h to be included before sys/socket.h can be
# compiled.
#
# LICENSE
#
# Copyright (c) 2008 Lars Brinkhoff <lars@nocrew.org>
#
# 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 the
# Free Software Foundation; either version 2 of the License, or (at your
# option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.
#
# As a special exception, the respective Autoconf Macro's copyright owner
# gives unlimited permission to copy, distribute and modify the configure
# scripts that are the output of Autoconf when processing the Macro. You
# need not follow the terms of the GNU General Public License when using
# or distributing such scripts, even though portions of the text of the
# Macro appear in them. The GNU General Public License (GPL) does govern
# all other use of the material that constitutes the Autoconf Macro.
#
# This special exception to the GPL applies to versions of the Autoconf
# Macro released by the Autoconf Archive. When you make and distribute a
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
#serial 5
AU_ALIAS([TYPE_SOCKLEN_T], [AX_TYPE_SOCKLEN_T])
AC_DEFUN([AX_TYPE_SOCKLEN_T],
[AC_CACHE_CHECK([for socklen_t], ac_cv_ax_type_socklen_t,
[
AC_TRY_COMPILE(
[#include <sys/types.h>
#include <sys/socket.h>],
[socklen_t len = 42; return 0;],
ac_cv_ax_type_socklen_t=yes,
ac_cv_ax_type_socklen_t=no)
])
if test $ac_cv_ax_type_socklen_t != yes; then
AC_DEFINE(socklen_t, int, [Substitute for socklen_t])
fi
])
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