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725e2999 JB |
1 | # sockpfaf.m4 serial 8 |
2 | dnl Copyright (C) 2004, 2006, 2009-2016 Free Software Foundation, Inc. | |
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 $gl_cv_socket_ipv4 = yes; then | |
36 | AC_DEFINE([HAVE_IPV4], [1], [Define to 1 if <sys/socket.h> defines AF_INET.]) | |
37 | fi | |
38 | ||
39 | AC_MSG_CHECKING([for IPv6 sockets]) | |
40 | AC_CACHE_VAL([gl_cv_socket_ipv6], | |
41 | [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h> | |
42 | #ifdef HAVE_SYS_SOCKET_H | |
43 | #include <sys/socket.h> | |
44 | #endif | |
45 | #ifdef HAVE_NETINET_IN_H | |
46 | #include <netinet/in.h> | |
47 | #endif | |
48 | #ifdef HAVE_WINSOCK2_H | |
49 | #include <winsock2.h> | |
50 | #endif | |
51 | #ifdef HAVE_WS2TCPIP_H | |
52 | #include <ws2tcpip.h> | |
53 | #endif]], | |
54 | [[int x = AF_INET6; struct in6_addr y; struct sockaddr_in6 z; | |
55 | if (&x && &y && &z) return 0;]])], | |
56 | gl_cv_socket_ipv6=yes, gl_cv_socket_ipv6=no)]) | |
57 | AC_MSG_RESULT([$gl_cv_socket_ipv6]) | |
58 | if test $gl_cv_socket_ipv6 = yes; then | |
59 | AC_DEFINE([HAVE_IPV6], [1], [Define to 1 if <sys/socket.h> defines AF_INET6.]) | |
60 | fi | |
61 | ]) | |
62 | ||
63 | AC_DEFUN([gl_SOCKET_FAMILY_UNIX], | |
64 | [ | |
65 | AC_REQUIRE([gl_HEADER_SYS_SOCKET]) | |
66 | AC_CHECK_HEADERS_ONCE([sys/un.h]) | |
67 | ||
68 | AC_MSG_CHECKING([for UNIX domain sockets]) | |
69 | AC_CACHE_VAL([gl_cv_socket_unix], | |
70 | [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h> | |
71 | #ifdef HAVE_SYS_SOCKET_H | |
72 | #include <sys/socket.h> | |
73 | #endif | |
74 | #ifdef HAVE_SYS_UN_H | |
75 | #include <sys/un.h> | |
76 | #endif | |
77 | #ifdef HAVE_WINSOCK2_H | |
78 | #include <winsock2.h> | |
79 | #endif]], | |
80 | [[int x = AF_UNIX; struct sockaddr_un y; | |
81 | if (&x && &y) return 0;]])], | |
82 | gl_cv_socket_unix=yes, gl_cv_socket_unix=no)]) | |
83 | AC_MSG_RESULT([$gl_cv_socket_unix]) | |
84 | if test $gl_cv_socket_unix = yes; then | |
85 | AC_DEFINE([HAVE_UNIXSOCKET], [1], [Define to 1 if <sys/socket.h> defines AF_UNIX.]) | |
86 | fi | |
87 | ]) |