CVS gsasl/gl/m4

[gsasl-commit]

Update of /home/cvs/gsasl/gl/m4
In directory dopio:/tmp/cvs-serv5488/gl/m4

Added Files:
        sockpfaf.m4 
Log Message:
Update.


--- /home/cvs/gsasl/gl/m4/sockpfaf.m4   2004/11/19 02:21:47     NONE
+++ /home/cvs/gsasl/gl/m4/sockpfaf.m4   2004/11/19 02:21:47     1.1
# sockpfaf.m4 serial 1
dnl Copyright (C) 2004 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License.  As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.

dnl Test for some common socket protocol families (PF_INET, PF_INET6, ...)
dnl and some common address families (AF_INET, AF_INET6, ...).
dnl This test assumes that a system supports an address family if and only if
dnl it supports the corresponding protocol family.

dnl From Bruno Haible.

AC_DEFUN([gl_SOCKET_FAMILIES],
[
  AC_MSG_CHECKING(for IPv4 sockets)
  AC_CACHE_VAL(gl_cv_socket_ipv4,
    [AC_TRY_COMPILE([#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>],
[int x = AF_INET; struct in_addr y; struct sockaddr_in z;],
       gl_cv_socket_ipv4=yes, gl_cv_socket_ipv4=no)])
  AC_MSG_RESULT($gl_cv_socket_ipv4)
  if test $gl_cv_socket_ipv4 = yes; then
    AC_DEFINE(HAVE_IPV4, 1, [Define to 1 if <sys/socket.h> defines AF_INET.])
  fi

  AC_MSG_CHECKING(for IPv6 sockets)
  AC_CACHE_VAL(gl_cv_socket_ipv6,
    [AC_TRY_COMPILE([#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>],
[int x = AF_INET6; struct in6_addr y; struct sockaddr_in6 z;],
       gl_cv_socket_ipv6=yes, gl_cv_socket_ipv6=no)])
  AC_MSG_RESULT($gl_cv_socket_ipv6)
  if test $gl_cv_socket_ipv6 = yes; then
    AC_DEFINE(HAVE_IPV6, 1, [Define to 1 if <sys/socket.h> defines AF_INET6.])
  fi
])