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