HCoop / bpt / guile.git / blame
| Commit | Line | Data |
|---|---|---|
| 8912421c | 1 | # sockpfaf.m4 serial 7 |
| 61cd9dc9 | 2 | dnl Copyright (C) 2004, 2006, 2009, 2010 Free Software Foundation, Inc. |
| 8912421c LC |
3 | dnl This file is free software; the Free Software Foundation |
| 4 | dnl gives unlimited permission to copy and/or distribute it, | |
| 5 | dnl with or without modifications, as long as this notice is preserved. | |
| 6 | ||
| 7 | dnl Test for some common socket protocol families (PF_INET, PF_INET6, ...) | |
| 8 | dnl and some common address families (AF_INET, AF_INET6, ...). | |
| 9 | dnl This test assumes that a system supports an address family if and only if | |
| 10 | dnl it supports the corresponding protocol family. | |
| 11 | ||
| 12 | dnl From Bruno Haible. | |
| 13 | ||
| 14 | AC_DEFUN([gl_SOCKET_FAMILIES], | |
| 15 | [ | |
| 16 | AC_REQUIRE([gl_HEADER_SYS_SOCKET]) | |
| 17 | AC_CHECK_HEADERS_ONCE([netinet/in.h]) | |
| 18 | ||
| 19 | AC_MSG_CHECKING([for IPv4 sockets]) | |
| 20 | AC_CACHE_VAL([gl_cv_socket_ipv4], | |
| 21 | [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h> | |
| 22 | #ifdef HAVE_SYS_SOCKET_H | |
| 23 | #include <sys/socket.h> | |
| 24 | #endif | |
| 25 | #ifdef HAVE_NETINET_IN_H | |
| 26 | #include <netinet/in.h> | |
| 27 | #endif | |
| 28 | #ifdef HAVE_WINSOCK2_H | |
| 29 | #include <winsock2.h> | |
| 30 | #endif]], | |
| 31 | [[int x = AF_INET; struct in_addr y; struct sockaddr_in z; | |
| 32 | if (&x && &y && &z) return 0;]])], | |
| 33 | gl_cv_socket_ipv4=yes, gl_cv_socket_ipv4=no)]) | |
| 34 | AC_MSG_RESULT([$gl_cv_socket_ipv4]) | |
| 35 | if test $gl_cv_socket_ipv4 = yes; then | |
| 36 | AC_DEFINE([HAVE_IPV4], [1], [Define to 1 if <sys/socket.h> defines AF_INET.]) | |
| 37 | fi | |
| 38 | ||
| 39 | AC_MSG_CHECKING([for IPv6 sockets]) | |
| 40 | AC_CACHE_VAL([gl_cv_socket_ipv6], | |
| 41 | [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h> | |
| 42 | #ifdef HAVE_SYS_SOCKET_H | |
| 43 | #include <sys/socket.h> | |
| 44 | #endif | |
| 45 | #ifdef HAVE_NETINET_IN_H | |
| 46 | #include <netinet/in.h> | |
| 47 | #endif | |
| 48 | #ifdef HAVE_WINSOCK2_H | |
| 49 | #include <winsock2.h> | |
| 9157d901 LC |
50 | #endif |
| 51 | #ifdef HAVE_WS2TCPIP_H | |
| 52 | #include <ws2tcpip.h> | |
| 8912421c LC |
53 | #endif]], |
| 54 | [[int x = AF_INET6; struct in6_addr y; struct sockaddr_in6 z; | |
| 55 | if (&x && &y && &z) return 0;]])], | |
| 56 | gl_cv_socket_ipv6=yes, gl_cv_socket_ipv6=no)]) | |
| 57 | AC_MSG_RESULT([$gl_cv_socket_ipv6]) | |
| 58 | if test $gl_cv_socket_ipv6 = yes; then | |
| 59 | AC_DEFINE([HAVE_IPV6], [1], [Define to 1 if <sys/socket.h> defines AF_INET6.]) | |
| 60 | fi | |
| 61 | ]) |