diff options
Diffstat (limited to 'm4/ax_type_socklen_t.m4')
| -rw-r--r-- | m4/ax_type_socklen_t.m4 | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/m4/ax_type_socklen_t.m4 b/m4/ax_type_socklen_t.m4 new file mode 100644 index 0000000..834c4cf --- /dev/null +++ b/m4/ax_type_socklen_t.m4 @@ -0,0 +1,61 @@ +# =========================================================================== +# 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 +]) |
