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Diffstat (limited to 'm4/ac_prototype_setsockopt.m4')
| -rw-r--r-- | m4/ac_prototype_setsockopt.m4 | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/m4/ac_prototype_setsockopt.m4 b/m4/ac_prototype_setsockopt.m4 new file mode 100644 index 0000000..505312d --- /dev/null +++ b/m4/ac_prototype_setsockopt.m4 @@ -0,0 +1,61 @@ +# =========================================================================== +# http://autoconf-archive.cryp.to/ac_prototype_setsockopt.html +# =========================================================================== +# +# SYNOPSIS +# +# AC_PROTOTYPE_SETSOCKOPT +# +# DESCRIPTION +# +# Requires the AC_PROTOTYPE macro. +# +# 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 <loic@senga.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. + +AC_DEFUN([AC_PROTOTYPE_SETSOCKOPT],[ +AC_PROTOTYPE(setsockopt, + [ + #include <sys/types.h> + #include <sys/socket.h> + ], + [ + int a = 0; + ARG3 b = 0; + setsockopt(a, SOL_SOCKET, SO_REUSEADDR, b, sizeof(a)); + ], + ARG3, [const void*, const char*, void*, char*]) +]) |