| 1 | AC_DEFUN_ONCE(AC_LIBREPLACE_NETWORK_CHECKS,
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| 2 | [
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| 3 | echo "LIBREPLACE_NETWORK_CHECKS: START"
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| 4 |
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| 5 | AC_DEFINE(LIBREPLACE_NETWORK_CHECKS, 1, [LIBREPLACE_NETWORK_CHECKS were used])
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| 6 | LIBREPLACE_NETWORK_OBJS=""
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| 7 | LIBREPLACE_NETWORK_LIBS=""
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| 8 |
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| 9 | AC_CHECK_HEADERS(sys/socket.h netinet/in.h netdb.h arpa/inet.h)
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| 10 | AC_CHECK_HEADERS(netinet/in_systm.h)
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| 11 | AC_CHECK_HEADERS([netinet/ip.h], [], [],[
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| 12 | #include <sys/types.h>
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| 13 | #ifdef HAVE_NETINET_IN_H
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| 14 | #include <netinet/in.h>
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| 15 | #endif
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| 16 | #ifdef HAVE_NETINET_IN_SYSTM_H
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| 17 | #include <netinet/in_systm.h>
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| 18 | #endif
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| 19 | ])
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| 20 | AC_CHECK_HEADERS(netinet/tcp.h netinet/in_ip.h)
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| 21 | AC_CHECK_HEADERS(sys/sockio.h sys/un.h)
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| 22 | AC_CHECK_HEADERS(sys/uio.h)
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| 23 |
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| 24 | dnl we need to check that net/if.h really can be used, to cope with hpux
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| 25 | dnl where including it always fails
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| 26 | AC_CACHE_CHECK([for usable net/if.h],libreplace_cv_USABLE_NET_IF_H,[
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| 27 | AC_COMPILE_IFELSE([AC_LANG_SOURCE([
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| 28 | AC_INCLUDES_DEFAULT
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| 29 | #if HAVE_SYS_SOCKET_H
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| 30 | # include <sys/socket.h>
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| 31 | #endif
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| 32 | #include <net/if.h>
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| 33 | int main(void) {return 0;}])],
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| 34 | [libreplace_cv_USABLE_NET_IF_H=yes],
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| 35 | [libreplace_cv_USABLE_NET_IF_H=no]
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| 36 | )
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| 37 | ])
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| 38 | if test x"$libreplace_cv_USABLE_NET_IF_H" = x"yes";then
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| 39 | AC_DEFINE(HAVE_NET_IF_H, 1, usability of net/if.h)
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| 40 | fi
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| 41 |
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| 42 | AC_HAVE_TYPE([socklen_t],[#include <sys/socket.h>])
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| 43 | AC_HAVE_TYPE([sa_family_t],[#include <sys/socket.h>])
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| 44 | AC_HAVE_TYPE([struct addrinfo], [#include <netdb.h>])
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| 45 | AC_HAVE_TYPE([struct sockaddr], [#include <sys/socket.h>])
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| 46 | AC_HAVE_TYPE([struct sockaddr_storage], [
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| 47 | #include <sys/socket.h>
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| 48 | #include <sys/types.h>
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| 49 | #include <netinet/in.h>
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| 50 | ])
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| 51 | AC_HAVE_TYPE([struct sockaddr_in6], [
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| 52 | #include <sys/socket.h>
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| 53 | #include <sys/types.h>
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| 54 | #include <netinet/in.h>
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| 55 | ])
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| 56 |
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| 57 | if test x"$ac_cv_type_struct_sockaddr_storage" = x"yes"; then
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| 58 | AC_CHECK_MEMBER(struct sockaddr_storage.ss_family,
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| 59 | AC_DEFINE(HAVE_SS_FAMILY, 1, [Defined if struct sockaddr_storage has ss_family field]),,
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| 60 | [
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| 61 | #include <sys/socket.h>
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| 62 | #include <sys/types.h>
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| 63 | #include <netinet/in.h>
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| 64 | ])
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| 65 |
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| 66 | if test x"$ac_cv_member_struct_sockaddr_storage_ss_family" != x"yes"; then
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| 67 | AC_CHECK_MEMBER(struct sockaddr_storage.__ss_family,
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| 68 | AC_DEFINE(HAVE___SS_FAMILY, 1, [Defined if struct sockaddr_storage has __ss_family field]),,
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| 69 | [
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| 70 | #include <sys/socket.h>
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| 71 | #include <sys/types.h>
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| 72 | #include <netinet/in.h>
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| 73 | ])
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| 74 | fi
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| 75 | fi
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| 76 |
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| 77 | AC_CACHE_CHECK([for sin_len in sock],libreplace_cv_HAVE_SOCK_SIN_LEN,[
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| 78 | AC_TRY_COMPILE(
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| 79 | [
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| 80 | #include <sys/types.h>
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| 81 | #include <sys/socket.h>
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| 82 | #include <netinet/in.h>
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| 83 | ],[
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| 84 | struct sockaddr_in sock; sock.sin_len = sizeof(sock);
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| 85 | ],[
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| 86 | libreplace_cv_HAVE_SOCK_SIN_LEN=yes
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| 87 | ],[
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| 88 | libreplace_cv_HAVE_SOCK_SIN_LEN=no
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| 89 | ])
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| 90 | ])
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| 91 | if test x"$libreplace_cv_HAVE_SOCK_SIN_LEN" = x"yes"; then
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| 92 | AC_DEFINE(HAVE_SOCK_SIN_LEN,1,[Whether the sockaddr_in struct has a sin_len property])
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| 93 | fi
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| 94 |
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| 95 | ############################################
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| 96 | # check for unix domain sockets
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| 97 | AC_CACHE_CHECK([for unix domain sockets],libreplace_cv_HAVE_UNIXSOCKET,[
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| 98 | AC_TRY_COMPILE([
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| 99 | #include <sys/types.h>
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| 100 | #include <stdlib.h>
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| 101 | #include <stddef.h>
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| 102 | #include <sys/socket.h>
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| 103 | #include <sys/un.h>
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| 104 | ],[
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| 105 | struct sockaddr_un sunaddr;
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| 106 | sunaddr.sun_family = AF_UNIX;
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| 107 | ],[
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| 108 | libreplace_cv_HAVE_UNIXSOCKET=yes
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| 109 | ],[
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| 110 | libreplace_cv_HAVE_UNIXSOCKET=no
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| 111 | ])
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| 112 | ])
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| 113 | if test x"$libreplace_cv_HAVE_UNIXSOCKET" = x"yes"; then
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| 114 | AC_DEFINE(HAVE_UNIXSOCKET,1,[If we need to build with unixscoket support])
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| 115 | fi
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| 116 |
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| 117 | dnl The following test is roughl taken from the cvs sources.
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| 118 | dnl
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| 119 | dnl If we can't find connect, try looking in -lsocket, -lnsl, and -linet.
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| 120 | dnl The Irix 5 libc.so has connect and gethostbyname, but Irix 5 also has
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| 121 | dnl libsocket.so which has a bad implementation of gethostbyname (it
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| 122 | dnl only looks in /etc/hosts), so we only look for -lsocket if we need
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| 123 | dnl it.
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| 124 | AC_CHECK_FUNCS(connect)
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| 125 | if test x"$ac_cv_func_connect" = x"no"; then
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| 126 | AC_CHECK_LIB_EXT(nsl_s, LIBREPLACE_NETWORK_LIBS, connect)
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| 127 | AC_CHECK_LIB_EXT(nsl, LIBREPLACE_NETWORK_LIBS, connect)
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| 128 | AC_CHECK_LIB_EXT(socket, LIBREPLACE_NETWORK_LIBS, connect)
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| 129 | AC_CHECK_LIB_EXT(inet, LIBREPLACE_NETWORK_LIBS, connect)
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| 130 | dnl We can't just call AC_CHECK_FUNCS(connect) here,
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| 131 | dnl because the value has been cached.
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| 132 | if test x"$ac_cv_lib_ext_nsl_s_connect" = x"yes" ||
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| 133 | test x"$ac_cv_lib_ext_nsl_connect" = x"yes" ||
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| 134 | test x"$ac_cv_lib_ext_socket_connect" = x"yes" ||
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| 135 | test x"$ac_cv_lib_ext_inet_connect" = x"yes"
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| 136 | then
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| 137 | AC_DEFINE(HAVE_CONNECT,1,[Whether the system has connect()])
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| 138 | fi
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| 139 | fi
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| 140 |
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| 141 | AC_CHECK_FUNCS(gethostbyname)
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| 142 | if test x"$ac_cv_func_gethostbyname" = x"no"; then
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| 143 | AC_CHECK_LIB_EXT(nsl_s, LIBREPLACE_NETWORK_LIBS, gethostbyname)
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| 144 | AC_CHECK_LIB_EXT(nsl, LIBREPLACE_NETWORK_LIBS, gethostbyname)
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| 145 | AC_CHECK_LIB_EXT(socket, LIBREPLACE_NETWORK_LIBS, gethostbyname)
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| 146 | dnl We can't just call AC_CHECK_FUNCS(gethostbyname) here,
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| 147 | dnl because the value has been cached.
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| 148 | if test x"$ac_cv_lib_ext_nsl_s_gethostbyname" = x"yes" ||
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| 149 | test x"$ac_cv_lib_ext_nsl_gethostbyname" = x"yes" ||
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| 150 | test x"$ac_cv_lib_ext_socket_gethostbyname" = x"yes"
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| 151 | then
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| 152 | AC_DEFINE(HAVE_GETHOSTBYNAME,1,
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| 153 | [Whether the system has gethostbyname()])
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| 154 | fi
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| 155 | fi
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| 156 |
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| 157 | dnl HP-UX has if_nametoindex in -lipv6
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| 158 | AC_CHECK_FUNCS(if_nametoindex)
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| 159 | if test x"$ac_cv_func_if_nametoindex" = x"no"; then
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| 160 | AC_CHECK_LIB_EXT(ipv6, LIBREPLACE_NETWORK_LIBS, if_nametoindex)
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| 161 | dnl We can't just call AC_CHECK_FUNCS(if_nametoindex) here,
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| 162 | dnl because the value has been cached.
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| 163 | if test x"$ac_cv_lib_ext_ipv6_if_nametoindex" = x"yes"
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| 164 | then
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| 165 | AC_DEFINE(HAVE_IF_NAMETOINDEX, 1,
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| 166 | [Whether the system has if_nametoindex()])
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| 167 | fi
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| 168 | fi
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| 169 |
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| 170 | # The following tests need LIBS="${LIBREPLACE_NETWORK_LIBS}"
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| 171 | old_LIBS=$LIBS
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| 172 | LIBS="${LIBREPLACE_NETWORK_LIBS}"
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| 173 | libreplace_SAVE_CPPFLAGS="$CPPFLAGS"
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| 174 | CPPFLAGS="$CPPFLAGS -I$libreplacedir"
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| 175 |
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| 176 | AC_CHECK_FUNCS(socketpair,[],[LIBREPLACE_NETWORK_OBJS="${LIBREPLACE_NETWORK_OBJS} $libreplacedir/socketpair.o"])
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| 177 |
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| 178 | AC_CACHE_CHECK([for broken inet_ntoa],libreplace_cv_REPLACE_INET_NTOA,[
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| 179 | AC_TRY_RUN([
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| 180 | #include <stdio.h>
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| 181 | #include <unistd.h>
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| 182 | #include <sys/types.h>
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| 183 | #include <netinet/in.h>
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| 184 | #ifdef HAVE_ARPA_INET_H
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| 185 | #include <arpa/inet.h>
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| 186 | #endif
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| 187 | main() { struct in_addr ip; ip.s_addr = 0x12345678;
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| 188 | if (strcmp(inet_ntoa(ip),"18.52.86.120") &&
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| 189 | strcmp(inet_ntoa(ip),"120.86.52.18")) { exit(0); }
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| 190 | exit(1);}],
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| 191 | libreplace_cv_REPLACE_INET_NTOA=yes,libreplace_cv_REPLACE_INET_NTOA=no,libreplace_cv_REPLACE_INET_NTOA=cross)])
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| 192 |
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| 193 | AC_CHECK_FUNCS(inet_ntoa,[],[libreplace_cv_REPLACE_INET_NTOA=yes])
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| 194 | if test x"$libreplace_cv_REPLACE_INET_NTOA" = x"yes"; then
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| 195 | AC_DEFINE(REPLACE_INET_NTOA,1,[Whether inet_ntoa should be replaced])
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| 196 | LIBREPLACE_NETWORK_OBJS="${LIBREPLACE_NETWORK_OBJS} $libreplacedir/inet_ntoa.o"
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| 197 | fi
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| 198 |
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| 199 | AC_CHECK_FUNCS(inet_aton,[],[LIBREPLACE_NETWORK_OBJS="${LIBREPLACE_NETWORK_OBJS} $libreplacedir/inet_aton.o"])
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| 200 |
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| 201 | AC_CHECK_FUNCS(inet_ntop,[],[LIBREPLACE_NETWORK_OBJS="${LIBREPLACE_NETWORK_OBJS} $libreplacedir/inet_ntop.o"])
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| 202 |
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| 203 | AC_CHECK_FUNCS(inet_pton,[],[LIBREPLACE_NETWORK_OBJS="${LIBREPLACE_NETWORK_OBJS} $libreplacedir/inet_pton.o"])
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| 204 |
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| 205 | dnl test for getaddrinfo/getnameinfo
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| 206 | AC_CACHE_CHECK([for getaddrinfo],libreplace_cv_HAVE_GETADDRINFO,[
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| 207 | AC_TRY_LINK([
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| 208 | #include <sys/types.h>
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| 209 | #if STDC_HEADERS
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| 210 | #include <stdlib.h>
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| 211 | #include <stddef.h>
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| 212 | #endif
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| 213 | #include <sys/socket.h>
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| 214 | #include <netdb.h>],
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| 215 | [
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| 216 | struct sockaddr sa;
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| 217 | struct addrinfo *ai = NULL;
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| 218 | int ret = getaddrinfo(NULL, NULL, NULL, &ai);
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| 219 | if (ret != 0) {
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| 220 | const char *es = gai_strerror(ret);
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| 221 | }
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| 222 | freeaddrinfo(ai);
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| 223 | ret = getnameinfo(&sa, sizeof(sa),
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| 224 | NULL, 0,
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| 225 | NULL, 0, 0);
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| 226 |
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| 227 | ],
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| 228 | libreplace_cv_HAVE_GETADDRINFO=yes,libreplace_cv_HAVE_GETADDRINFO=no)])
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| 229 | if test x"$libreplace_cv_HAVE_GETADDRINFO" = x"yes"; then
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| 230 | AC_DEFINE(HAVE_GETADDRINFO,1,[Whether the system has getaddrinfo])
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| 231 | AC_DEFINE(HAVE_GETNAMEINFO,1,[Whether the system has getnameinfo])
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| 232 | AC_DEFINE(HAVE_FREEADDRINFO,1,[Whether the system has freeaddrinfo])
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| 233 | AC_DEFINE(HAVE_GAI_STRERROR,1,[Whether the system has gai_strerror])
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| 234 | else
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| 235 | LIBREPLACE_NETWORK_OBJS="${LIBREPLACE_NETWORK_OBJS} $libreplacedir/getaddrinfo.o"
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| 236 | fi
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| 237 |
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| 238 | AC_CHECK_HEADERS([ifaddrs.h])
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| 239 |
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| 240 | dnl Used when getifaddrs is not available
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| 241 | AC_CHECK_MEMBERS([struct sockaddr.sa_len],
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| 242 | [AC_DEFINE(HAVE_SOCKADDR_SA_LEN, 1, [Whether struct sockaddr has a sa_len member])],
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| 243 | [],
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| 244 | [#include <sys/socket.h>])
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| 245 |
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| 246 | dnl test for getifaddrs and freeifaddrs
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| 247 | AC_CACHE_CHECK([for getifaddrs and freeifaddrs],libreplace_cv_HAVE_GETIFADDRS,[
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| 248 | AC_TRY_LINK([
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| 249 | #include <sys/types.h>
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| 250 | #if STDC_HEADERS
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| 251 | #include <stdlib.h>
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| 252 | #include <stddef.h>
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| 253 | #endif
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| 254 | #include <sys/socket.h>
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| 255 | #include <netinet/in.h>
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| 256 | #include <arpa/inet.h>
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| 257 | #include <ifaddrs.h>
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| 258 | #include <netdb.h>],
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| 259 | [
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| 260 | struct ifaddrs *ifp = NULL;
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| 261 | int ret = getifaddrs (&ifp);
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| 262 | freeifaddrs(ifp);
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| 263 | ],
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| 264 | libreplace_cv_HAVE_GETIFADDRS=yes,libreplace_cv_HAVE_GETIFADDRS=no)])
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| 265 | if test x"$libreplace_cv_HAVE_GETIFADDRS" = x"yes"; then
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| 266 | AC_DEFINE(HAVE_GETIFADDRS,1,[Whether the system has getifaddrs])
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| 267 | AC_DEFINE(HAVE_FREEIFADDRS,1,[Whether the system has freeifaddrs])
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| 268 | AC_DEFINE(HAVE_STRUCT_IFADDRS,1,[Whether struct ifaddrs is available])
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| 269 | fi
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| 270 |
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| 271 | ##################
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| 272 | # look for a method of finding the list of network interfaces
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| 273 | iface=no;
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| 274 | AC_CACHE_CHECK([for iface getifaddrs],libreplace_cv_HAVE_IFACE_GETIFADDRS,[
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| 275 | AC_TRY_RUN([
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| 276 | #define HAVE_IFACE_GETIFADDRS 1
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| 277 | #define NO_CONFIG_H 1
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| 278 | #define AUTOCONF_TEST 1
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| 279 | #define SOCKET_WRAPPER_NOT_REPLACE
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| 280 | #include "$libreplacedir/replace.c"
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| 281 | #include "$libreplacedir/inet_ntop.c"
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| 282 | #include "$libreplacedir/snprintf.c"
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| 283 | #include "$libreplacedir/getifaddrs.c"
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| 284 | #define getifaddrs_test main
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| 285 | #include "$libreplacedir/test/getifaddrs.c"],
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| 286 | libreplace_cv_HAVE_IFACE_GETIFADDRS=yes,libreplace_cv_HAVE_IFACE_GETIFADDRS=no,libreplace_cv_HAVE_IFACE_GETIFADDRS=cross)])
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| 287 | if test x"$libreplace_cv_HAVE_IFACE_GETIFADDRS" = x"yes"; then
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| 288 | iface=yes;AC_DEFINE(HAVE_IFACE_GETIFADDRS,1,[Whether iface getifaddrs is available])
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| 289 | else
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| 290 | LIBREPLACE_NETWORK_OBJS="${LIBREPLACE_NETWORK_OBJS} $libreplacedir/getifaddrs.o"
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| 291 | fi
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| 292 |
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| 293 |
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| 294 | if test $iface = no; then
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| 295 | AC_CACHE_CHECK([for iface AIX],libreplace_cv_HAVE_IFACE_AIX,[
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| 296 | AC_TRY_RUN([
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| 297 | #define HAVE_IFACE_AIX 1
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| 298 | #define NO_CONFIG_H 1
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| 299 | #define AUTOCONF_TEST 1
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| 300 | #undef _XOPEN_SOURCE_EXTENDED
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| 301 | #define SOCKET_WRAPPER_NOT_REPLACE
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| 302 | #include "$libreplacedir/replace.c"
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| 303 | #include "$libreplacedir/inet_ntop.c"
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| 304 | #include "$libreplacedir/snprintf.c"
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| 305 | #include "$libreplacedir/getifaddrs.c"
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| 306 | #define getifaddrs_test main
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| 307 | #include "$libreplacedir/test/getifaddrs.c"],
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| 308 | libreplace_cv_HAVE_IFACE_AIX=yes,libreplace_cv_HAVE_IFACE_AIX=no,libreplace_cv_HAVE_IFACE_AIX=cross)])
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| 309 | if test x"$libreplace_cv_HAVE_IFACE_AIX" = x"yes"; then
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| 310 | iface=yes;AC_DEFINE(HAVE_IFACE_AIX,1,[Whether iface AIX is available])
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| 311 | fi
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| 312 | fi
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| 313 |
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| 314 |
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| 315 | if test $iface = no; then
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| 316 | AC_CACHE_CHECK([for iface ifconf],libreplace_cv_HAVE_IFACE_IFCONF,[
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| 317 | AC_TRY_RUN([
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| 318 | #define HAVE_IFACE_IFCONF 1
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| 319 | #define NO_CONFIG_H 1
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| 320 | #define AUTOCONF_TEST 1
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| 321 | #define SOCKET_WRAPPER_NOT_REPLACE
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| 322 | #include "$libreplacedir/replace.c"
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| 323 | #include "$libreplacedir/inet_ntop.c"
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| 324 | #include "$libreplacedir/snprintf.c"
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| 325 | #include "$libreplacedir/getifaddrs.c"
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| 326 | #define getifaddrs_test main
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| 327 | #include "$libreplacedir/test/getifaddrs.c"],
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| 328 | libreplace_cv_HAVE_IFACE_IFCONF=yes,libreplace_cv_HAVE_IFACE_IFCONF=no,libreplace_cv_HAVE_IFACE_IFCONF=cross)])
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| 329 | if test x"$libreplace_cv_HAVE_IFACE_IFCONF" = x"yes"; then
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| 330 | iface=yes;AC_DEFINE(HAVE_IFACE_IFCONF,1,[Whether iface ifconf is available])
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| 331 | fi
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| 332 | fi
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| 333 |
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| 334 | if test $iface = no; then
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| 335 | AC_CACHE_CHECK([for iface ifreq],libreplace_cv_HAVE_IFACE_IFREQ,[
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| 336 | AC_TRY_RUN([
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| 337 | #define HAVE_IFACE_IFREQ 1
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| 338 | #define NO_CONFIG_H 1
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| 339 | #define AUTOCONF_TEST 1
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| 340 | #define SOCKET_WRAPPER_NOT_REPLACE
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| 341 | #include "$libreplacedir/replace.c"
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| 342 | #include "$libreplacedir/inet_ntop.c"
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| 343 | #include "$libreplacedir/snprintf.c"
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| 344 | #include "$libreplacedir/getifaddrs.c"
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| 345 | #define getifaddrs_test main
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| 346 | #include "$libreplacedir/test/getifaddrs.c"],
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| 347 | libreplace_cv_HAVE_IFACE_IFREQ=yes,libreplace_cv_HAVE_IFACE_IFREQ=no,libreplace_cv_HAVE_IFACE_IFREQ=cross)])
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| 348 | if test x"$libreplace_cv_HAVE_IFACE_IFREQ" = x"yes"; then
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| 349 | iface=yes;AC_DEFINE(HAVE_IFACE_IFREQ,1,[Whether iface ifreq is available])
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| 350 | fi
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| 351 | fi
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| 352 |
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| 353 | dnl Some old Linux systems have broken header files and
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| 354 | dnl miss the IPV6_V6ONLY define in netinet/in.h,
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| 355 | dnl but have it in linux/in6.h.
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| 356 | dnl We can't include both files so we just check if the value
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| 357 | dnl if defined and do the replacement in system/network.h
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| 358 | AC_CACHE_CHECK([for IPV6_V6ONLY support],libreplace_cv_HAVE_IPV6_V6ONLY,[
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| 359 | AC_TRY_COMPILE([
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| 360 | #include <stdlib.h> /* for NULL */
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| 361 | #include <sys/socket.h>
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| 362 | #include <sys/types.h>
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| 363 | #include <netdb.h>
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| 364 | #include <netinet/in.h>
|
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| 365 | ],
|
|---|
| 366 | [
|
|---|
| 367 | #ifndef IPV6_V6ONLY
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| 368 | #error no IPV6_V6ONLY
|
|---|
| 369 | #endif
|
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| 370 | ],[
|
|---|
| 371 | libreplace_cv_HAVE_IPV6_V6ONLY=yes
|
|---|
| 372 | ],[
|
|---|
| 373 | libreplace_cv_HAVE_IPV6_V6ONLY=no
|
|---|
| 374 | ])
|
|---|
| 375 | ])
|
|---|
| 376 | if test x"$libreplace_cv_HAVE_IPV6_V6ONLY" != x"yes"; then
|
|---|
| 377 | dnl test for IPV6_V6ONLY
|
|---|
| 378 | AC_CACHE_CHECK([for IPV6_V6ONLY in linux/in6.h],libreplace_cv_HAVE_LINUX_IPV6_V6ONLY_26,[
|
|---|
| 379 | AC_TRY_COMPILE([
|
|---|
| 380 | #include <linux/in6.h>
|
|---|
| 381 | ],
|
|---|
| 382 | [
|
|---|
| 383 | #if (IPV6_V6ONLY != 26)
|
|---|
| 384 | #error no linux IPV6_V6ONLY
|
|---|
| 385 | #endif
|
|---|
| 386 | ],[
|
|---|
| 387 | libreplace_cv_HAVE_LINUX_IPV6_V6ONLY_26=yes
|
|---|
| 388 | ],[
|
|---|
| 389 | libreplace_cv_HAVE_LINUX_IPV6_V6ONLY_26=no
|
|---|
| 390 | ])
|
|---|
| 391 | ])
|
|---|
| 392 | if test x"$libreplace_cv_HAVE_LINUX_IPV6_V6ONLY_26" = x"yes"; then
|
|---|
| 393 | AC_DEFINE(HAVE_LINUX_IPV6_V6ONLY_26,1,[Whether the system has IPV6_V6ONLY in linux/in6.h])
|
|---|
| 394 | fi
|
|---|
| 395 | fi
|
|---|
| 396 |
|
|---|
| 397 | dnl test for ipv6
|
|---|
| 398 | AC_CACHE_CHECK([for ipv6 support],libreplace_cv_HAVE_IPV6,[
|
|---|
| 399 | AC_TRY_LINK([
|
|---|
| 400 | #include <stdlib.h> /* for NULL */
|
|---|
| 401 | #include <sys/socket.h>
|
|---|
| 402 | #include <sys/types.h>
|
|---|
| 403 | #include <netdb.h>
|
|---|
| 404 | #include <netinet/in.h>
|
|---|
| 405 | ],
|
|---|
| 406 | [
|
|---|
| 407 | struct sockaddr_storage sa_store;
|
|---|
| 408 | struct addrinfo *ai = NULL;
|
|---|
| 409 | struct in6_addr in6addr;
|
|---|
| 410 | int idx = if_nametoindex("iface1");
|
|---|
| 411 | int s = socket(AF_INET6, SOCK_STREAM, 0);
|
|---|
| 412 | int ret = getaddrinfo(NULL, NULL, NULL, &ai);
|
|---|
| 413 | if (ret != 0) {
|
|---|
| 414 | const char *es = gai_strerror(ret);
|
|---|
| 415 | }
|
|---|
| 416 | freeaddrinfo(ai);
|
|---|
| 417 | {
|
|---|
| 418 | int val = 1;
|
|---|
| 419 | #ifdef HAVE_LINUX_IPV6_V6ONLY_26
|
|---|
| 420 | #define IPV6_V6ONLY 26
|
|---|
| 421 | #endif
|
|---|
| 422 | ret = setsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY,
|
|---|
| 423 | (const void *)&val, sizeof(val));
|
|---|
| 424 | }
|
|---|
| 425 | ],[
|
|---|
| 426 | libreplace_cv_HAVE_IPV6=yes
|
|---|
| 427 | ],[
|
|---|
| 428 | libreplace_cv_HAVE_IPV6=no
|
|---|
| 429 | ])
|
|---|
| 430 | ])
|
|---|
| 431 | if test x"$libreplace_cv_HAVE_IPV6" = x"yes"; then
|
|---|
| 432 | AC_DEFINE(HAVE_IPV6,1,[Whether the system has IPv6 support])
|
|---|
| 433 | fi
|
|---|
| 434 |
|
|---|
| 435 | LIBS=$old_LIBS
|
|---|
| 436 | CPPFLAGS="$libreplace_SAVE_CPPFLAGS"
|
|---|
| 437 |
|
|---|
| 438 | LIBREPLACEOBJ="${LIBREPLACEOBJ} ${LIBREPLACE_NETWORK_OBJS}"
|
|---|
| 439 |
|
|---|
| 440 | echo "LIBREPLACE_NETWORK_CHECKS: END"
|
|---|
| 441 | ]) dnl end AC_LIBREPLACE_NETWORK_CHECKS
|
|---|
