1
Fork 0
mirror of https://git.savannah.gnu.org/git/guile.git synced 2025-05-19 19:20:23 +02:00
guile/m4/sockpfaf.m4
Ludovic Courtès 49114fd43d Update Gnulib; add new modules.
This updates Gnulib to v0.0-4889-ge375fe3.

* m4/gnulib-cache.m4: Add `accept', `bind', `close', `connect',
  `getpeername', `getsockname', `getsockopt', `listen', `malloc',
  `malloca', `recv', `recvfrom', `send', `sendto', `setsockopt',
  `shutdown', `socket', and `sockets', requested by
  Jan Nieuwenhuizen <janneke-list@xs4all.nl> for cross-MinGW32 builds.
  Add `trunc', requested by Mark H Weaver <mhw@netris.org>.
2011-02-14 11:36:25 +01:00

61 lines
1.9 KiB
Text

# sockpfaf.m4 serial 7
dnl Copyright (C) 2004, 2006, 2009-2011 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
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_REQUIRE([gl_HEADER_SYS_SOCKET])
AC_CHECK_HEADERS_ONCE([netinet/in.h])
AC_MSG_CHECKING([for IPv4 sockets])
AC_CACHE_VAL([gl_cv_socket_ipv4],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#endif]],
[[int x = AF_INET; struct in_addr y; struct sockaddr_in z;
if (&x && &y && &z) return 0;]])],
gl_cv_socket_ipv4=yes, gl_cv_socket_ipv4=no)])
AC_MSG_RESULT([$gl_cv_socket_ipv4])
if test $gl_cv_socket_ipv4 = yes; then
AC_DEFINE([HAVE_IPV4], [1], [Define to 1 if <sys/socket.h> defines AF_INET.])
fi
AC_MSG_CHECKING([for IPv6 sockets])
AC_CACHE_VAL([gl_cv_socket_ipv6],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#endif
#ifdef HAVE_WS2TCPIP_H
#include <ws2tcpip.h>
#endif]],
[[int x = AF_INET6; struct in6_addr y; struct sockaddr_in6 z;
if (&x && &y && &z) return 0;]])],
gl_cv_socket_ipv6=yes, gl_cv_socket_ipv6=no)])
AC_MSG_RESULT([$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
])