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https://sourceware.org/git/binutils-gdb.git
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88 lines
2.6 KiB
Plaintext
88 lines
2.6 KiB
Plaintext
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# sockpfaf.m4 serial 8
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dnl Copyright (C) 2004, 2006, 2009-2016 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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dnl Test for some common socket protocol families (PF_INET, PF_INET6, ...)
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dnl and some common address families (AF_INET, AF_INET6, ...).
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dnl This test assumes that a system supports an address family if and only if
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dnl it supports the corresponding protocol family.
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dnl From Bruno Haible.
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AC_DEFUN([gl_SOCKET_FAMILIES],
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[
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AC_REQUIRE([gl_HEADER_SYS_SOCKET])
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AC_CHECK_HEADERS_ONCE([netinet/in.h])
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AC_MSG_CHECKING([for IPv4 sockets])
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AC_CACHE_VAL([gl_cv_socket_ipv4],
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[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
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#ifdef HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
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#endif
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#ifdef HAVE_NETINET_IN_H
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#include <netinet/in.h>
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#endif
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#ifdef HAVE_WINSOCK2_H
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#include <winsock2.h>
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#endif]],
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[[int x = AF_INET; struct in_addr y; struct sockaddr_in z;
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if (&x && &y && &z) return 0;]])],
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gl_cv_socket_ipv4=yes, gl_cv_socket_ipv4=no)])
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AC_MSG_RESULT([$gl_cv_socket_ipv4])
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if test $gl_cv_socket_ipv4 = yes; then
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AC_DEFINE([HAVE_IPV4], [1], [Define to 1 if <sys/socket.h> defines AF_INET.])
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fi
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AC_MSG_CHECKING([for IPv6 sockets])
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AC_CACHE_VAL([gl_cv_socket_ipv6],
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[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
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#ifdef HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
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#endif
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#ifdef HAVE_NETINET_IN_H
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#include <netinet/in.h>
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#endif
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#ifdef HAVE_WINSOCK2_H
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#include <winsock2.h>
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#endif
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#ifdef HAVE_WS2TCPIP_H
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#include <ws2tcpip.h>
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#endif]],
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[[int x = AF_INET6; struct in6_addr y; struct sockaddr_in6 z;
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if (&x && &y && &z) return 0;]])],
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gl_cv_socket_ipv6=yes, gl_cv_socket_ipv6=no)])
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AC_MSG_RESULT([$gl_cv_socket_ipv6])
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if test $gl_cv_socket_ipv6 = yes; then
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AC_DEFINE([HAVE_IPV6], [1], [Define to 1 if <sys/socket.h> defines AF_INET6.])
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fi
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])
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AC_DEFUN([gl_SOCKET_FAMILY_UNIX],
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[
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AC_REQUIRE([gl_HEADER_SYS_SOCKET])
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AC_CHECK_HEADERS_ONCE([sys/un.h])
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AC_MSG_CHECKING([for UNIX domain sockets])
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AC_CACHE_VAL([gl_cv_socket_unix],
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[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
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#ifdef HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
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#endif
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#ifdef HAVE_SYS_UN_H
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#include <sys/un.h>
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#endif
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#ifdef HAVE_WINSOCK2_H
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#include <winsock2.h>
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#endif]],
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[[int x = AF_UNIX; struct sockaddr_un y;
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if (&x && &y) return 0;]])],
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gl_cv_socket_unix=yes, gl_cv_socket_unix=no)])
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AC_MSG_RESULT([$gl_cv_socket_unix])
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if test $gl_cv_socket_unix = yes; then
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AC_DEFINE([HAVE_UNIXSOCKET], [1], [Define to 1 if <sys/socket.h> defines AF_UNIX.])
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fi
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])
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