# ============================================================================ # https://www.gnu.org/software/autoconf-archive/ax_prototype_setsockopt.html # ============================================================================ # # SYNOPSIS # # AX_PROTOTYPE_SETSOCKOPT # # DESCRIPTION # # Requires the AX_PROTOTYPE macro. FIXME: Put this in the code! # # Find the type of argument three of setsockopt. User must include the # following in acconfig.h: # # /* Type of third argument of setsockopt */ # #undef SETSOCKOPT_ARG3 # # LICENSE # # Copyright (c) 2008 Loic Dachary # # 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 . # # 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 6 AU_ALIAS([AC_PROTOTYPE_SETSOCKOPT], [AX_PROTOTYPE_SETSOCKOPT]) AC_DEFUN([AX_PROTOTYPE_SETSOCKOPT],[ AX_PROTOTYPE(setsockopt, [ #include #include ], [ int a = 0; ARG3 b = 0; setsockopt(a, SOL_SOCKET, SO_REUSEADDR, b, sizeof(a)); ], ARG3, [const void*, const char*, void*, char*]) ])