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AC_DEFUN_ONCE(AC_LIBREPLACE_NETWORK_CHECKS,
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echo "LIBREPLACE_NETWORK_CHECKS: START"
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AC_DEFINE(LIBREPLACE_NETWORK_CHECKS, 1, [LIBREPLACE_NETWORK_CHECKS were used])
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LIBREPLACE_NETWORK_OBJS=""
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LIBREPLACE_NETWORK_LIBS=""
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AC_CHECK_HEADERS(sys/socket.h netinet/in.h netdb.h arpa/inet.h)
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AC_CHECK_HEADERS(netinet/in_systm.h)
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AC_CHECK_HEADERS([netinet/ip.h], [], [],[
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#include <sys/types.h>
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#ifdef HAVE_NETINET_IN_H
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#include <netinet/in.h>
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#ifdef HAVE_NETINET_IN_SYSTM_H
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#include <netinet/in_systm.h>
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AC_CHECK_HEADERS(netinet/tcp.h netinet/in_ip.h)
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AC_CHECK_HEADERS(sys/sockio.h sys/un.h)
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AC_CHECK_HEADERS(sys/uio.h)
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dnl we need to check that net/if.h really can be used, to cope with hpux
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dnl where including it always fails
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AC_CACHE_CHECK([for usable net/if.h],libreplace_cv_USABLE_NET_IF_H,[
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AC_COMPILE_IFELSE([AC_LANG_SOURCE([
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# include <sys/socket.h>
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int main(void) {return 0;}])],
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[libreplace_cv_USABLE_NET_IF_H=yes],
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[libreplace_cv_USABLE_NET_IF_H=no]
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if test x"$libreplace_cv_USABLE_NET_IF_H" = x"yes";then
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AC_DEFINE(HAVE_NET_IF_H, 1, usability of net/if.h)
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AC_HAVE_TYPE([socklen_t],[#include <sys/socket.h>])
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AC_HAVE_TYPE([sa_family_t],[#include <sys/socket.h>])
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AC_HAVE_TYPE([struct addrinfo], [#include <netdb.h>])
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AC_HAVE_TYPE([struct sockaddr], [#include <sys/socket.h>])
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AC_HAVE_TYPE([struct sockaddr_storage], [
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <netinet/in.h>
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AC_HAVE_TYPE([struct sockaddr_in6], [
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <netinet/in.h>
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if test x"$ac_cv_type_struct_sockaddr_storage" = x"yes"; then
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AC_CHECK_MEMBER(struct sockaddr_storage.ss_family,
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AC_DEFINE(HAVE_SS_FAMILY, 1, [Defined if struct sockaddr_storage has ss_family field]),,
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <netinet/in.h>
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if test x"$ac_cv_member_struct_sockaddr_storage_ss_family" != x"yes"; then
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AC_CHECK_MEMBER(struct sockaddr_storage.__ss_family,
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AC_DEFINE(HAVE___SS_FAMILY, 1, [Defined if struct sockaddr_storage has __ss_family field]),,
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <netinet/in.h>
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AC_CACHE_CHECK([for sin_len in sock],libreplace_cv_HAVE_SOCK_SIN_LEN,[
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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struct sockaddr_in sock; sock.sin_len = sizeof(sock);
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libreplace_cv_HAVE_SOCK_SIN_LEN=yes
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libreplace_cv_HAVE_SOCK_SIN_LEN=no
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if test x"$libreplace_cv_HAVE_SOCK_SIN_LEN" = x"yes"; then
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AC_DEFINE(HAVE_SOCK_SIN_LEN,1,[Whether the sockaddr_in struct has a sin_len property])
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############################################
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# check for unix domain sockets
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AC_CACHE_CHECK([for unix domain sockets],libreplace_cv_HAVE_UNIXSOCKET,[
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#include <sys/types.h>
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#include <sys/socket.h>
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struct sockaddr_un sunaddr;
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sunaddr.sun_family = AF_UNIX;
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libreplace_cv_HAVE_UNIXSOCKET=yes
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libreplace_cv_HAVE_UNIXSOCKET=no
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if test x"$libreplace_cv_HAVE_UNIXSOCKET" = x"yes"; then
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AC_DEFINE(HAVE_UNIXSOCKET,1,[If we need to build with unixscoket support])
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dnl The following test is roughl taken from the cvs sources.
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dnl If we can't find connect, try looking in -lsocket, -lnsl, and -linet.
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dnl The Irix 5 libc.so has connect and gethostbyname, but Irix 5 also has
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dnl libsocket.so which has a bad implementation of gethostbyname (it
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dnl only looks in /etc/hosts), so we only look for -lsocket if we need
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AC_CHECK_FUNCS(connect)
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if test x"$ac_cv_func_connect" = x"no"; then
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AC_CHECK_LIB_EXT(nsl_s, LIBREPLACE_NETWORK_LIBS, connect)
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AC_CHECK_LIB_EXT(nsl, LIBREPLACE_NETWORK_LIBS, connect)
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AC_CHECK_LIB_EXT(socket, LIBREPLACE_NETWORK_LIBS, connect)
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AC_CHECK_LIB_EXT(inet, LIBREPLACE_NETWORK_LIBS, connect)
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dnl We can't just call AC_CHECK_FUNCS(connect) here,
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dnl because the value has been cached.
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if test x"$ac_cv_lib_ext_nsl_s_connect" = x"yes" ||
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test x"$ac_cv_lib_ext_nsl_connect" = x"yes" ||
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test x"$ac_cv_lib_ext_socket_connect" = x"yes" ||
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test x"$ac_cv_lib_ext_inet_connect" = x"yes"
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AC_DEFINE(HAVE_CONNECT,1,[Whether the system has connect()])
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AC_CHECK_FUNCS(gethostbyname)
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if test x"$ac_cv_func_gethostbyname" = x"no"; then
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AC_CHECK_LIB_EXT(nsl_s, LIBREPLACE_NETWORK_LIBS, gethostbyname)
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AC_CHECK_LIB_EXT(nsl, LIBREPLACE_NETWORK_LIBS, gethostbyname)
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AC_CHECK_LIB_EXT(socket, LIBREPLACE_NETWORK_LIBS, gethostbyname)
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dnl We can't just call AC_CHECK_FUNCS(gethostbyname) here,
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dnl because the value has been cached.
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if test x"$ac_cv_lib_ext_nsl_s_gethostbyname" = x"yes" ||
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test x"$ac_cv_lib_ext_nsl_gethostbyname" = x"yes" ||
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test x"$ac_cv_lib_ext_socket_gethostbyname" = x"yes"
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AC_DEFINE(HAVE_GETHOSTBYNAME,1,
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[Whether the system has gethostbyname()])
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dnl HP-UX has if_nametoindex in -lipv6
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AC_CHECK_FUNCS(if_nametoindex)
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if test x"$ac_cv_func_if_nametoindex" = x"no"; then
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AC_CHECK_LIB_EXT(ipv6, LIBREPLACE_NETWORK_LIBS, if_nametoindex)
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dnl We can't just call AC_CHECK_FUNCS(if_nametoindex) here,
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dnl because the value has been cached.
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if test x"$ac_cv_lib_ext_ipv6_if_nametoindex" = x"yes"
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AC_DEFINE(HAVE_IF_NAMETOINDEX, 1,
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[Whether the system has if_nametoindex()])
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# The following tests need LIBS="${LIBREPLACE_NETWORK_LIBS}"
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LIBS="${LIBREPLACE_NETWORK_LIBS}"
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libreplace_SAVE_CPPFLAGS="$CPPFLAGS"
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CPPFLAGS="$CPPFLAGS -I$libreplacedir"
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AC_CHECK_FUNCS(socketpair,[],[LIBREPLACE_NETWORK_OBJS="${LIBREPLACE_NETWORK_OBJS} socketpair.o"])
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AC_CACHE_CHECK([for broken inet_ntoa],libreplace_cv_REPLACE_INET_NTOA,[
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#include <sys/types.h>
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#include <netinet/in.h>
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#ifdef HAVE_ARPA_INET_H
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#include <arpa/inet.h>
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main() { struct in_addr ip; ip.s_addr = 0x12345678;
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if (strcmp(inet_ntoa(ip),"18.52.86.120") &&
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strcmp(inet_ntoa(ip),"120.86.52.18")) { exit(0); }
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libreplace_cv_REPLACE_INET_NTOA=yes,libreplace_cv_REPLACE_INET_NTOA=no,libreplace_cv_REPLACE_INET_NTOA=cross)])
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AC_CHECK_FUNCS(inet_ntoa,[],[libreplace_cv_REPLACE_INET_NTOA=yes])
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if test x"$libreplace_cv_REPLACE_INET_NTOA" = x"yes"; then
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AC_DEFINE(REPLACE_INET_NTOA,1,[Whether inet_ntoa should be replaced])
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LIBREPLACE_NETWORK_OBJS="${LIBREPLACE_NETWORK_OBJS} inet_ntoa.o"
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AC_CHECK_FUNCS(inet_aton,[],[LIBREPLACE_NETWORK_OBJS="${LIBREPLACE_NETWORK_OBJS} inet_aton.o"])
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AC_CHECK_FUNCS(inet_ntop,[],[LIBREPLACE_NETWORK_OBJS="${LIBREPLACE_NETWORK_OBJS} inet_ntop.o"])
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AC_CHECK_FUNCS(inet_pton,[],[LIBREPLACE_NETWORK_OBJS="${LIBREPLACE_NETWORK_OBJS} inet_pton.o"])
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dnl test for getaddrinfo/getnameinfo
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AC_CACHE_CHECK([for getaddrinfo],libreplace_cv_HAVE_GETADDRINFO,[
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#include <sys/types.h>
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#include <sys/socket.h>
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struct addrinfo *ai = NULL;
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int ret = getaddrinfo(NULL, NULL, NULL, &ai);
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const char *es = gai_strerror(ret);
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ret = getnameinfo(&sa, sizeof(sa),
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libreplace_cv_HAVE_GETADDRINFO=yes,libreplace_cv_HAVE_GETADDRINFO=no)])
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if test x"$libreplace_cv_HAVE_GETADDRINFO" = x"yes"; then
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AC_DEFINE(HAVE_GETADDRINFO,1,[Whether the system has getaddrinfo])
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AC_DEFINE(HAVE_GETNAMEINFO,1,[Whether the system has getnameinfo])
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AC_DEFINE(HAVE_FREEADDRINFO,1,[Whether the system has freeaddrinfo])
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AC_DEFINE(HAVE_GAI_STRERROR,1,[Whether the system has gai_strerror])
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LIBREPLACE_NETWORK_OBJS="${LIBREPLACE_NETWORK_OBJS} getaddrinfo.o"
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AC_CHECK_HEADERS([ifaddrs.h])
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dnl Used when getifaddrs is not available
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AC_CHECK_MEMBERS([struct sockaddr.sa_len],
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[AC_DEFINE(HAVE_SOCKADDR_SA_LEN, 1, [Whether struct sockaddr has a sa_len member])],
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[#include <sys/socket.h>])
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dnl test for getifaddrs and freeifaddrs
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AC_CACHE_CHECK([for getifaddrs and freeifaddrs],libreplace_cv_HAVE_GETIFADDRS,[
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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struct ifaddrs *ifp = NULL;
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int ret = getifaddrs (&ifp);
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libreplace_cv_HAVE_GETIFADDRS=yes,libreplace_cv_HAVE_GETIFADDRS=no)])
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if test x"$libreplace_cv_HAVE_GETIFADDRS" = x"yes"; then
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AC_DEFINE(HAVE_GETIFADDRS,1,[Whether the system has getifaddrs])
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AC_DEFINE(HAVE_FREEIFADDRS,1,[Whether the system has freeifaddrs])
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AC_DEFINE(HAVE_STRUCT_IFADDRS,1,[Whether struct ifaddrs is available])
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# look for a method of finding the list of network interfaces
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AC_CACHE_CHECK([for iface getifaddrs],libreplace_cv_HAVE_IFACE_GETIFADDRS,[
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#define HAVE_IFACE_GETIFADDRS 1
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#define NO_CONFIG_H 1
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#define AUTOCONF_TEST 1
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#define SOCKET_WRAPPER_NOT_REPLACE
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#include "$libreplacedir/replace.c"
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#include "$libreplacedir/inet_ntop.c"
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#include "$libreplacedir/snprintf.c"
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#include "$libreplacedir/getifaddrs.c"
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#define getifaddrs_test main
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#include "$libreplacedir/test/getifaddrs.c"],
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libreplace_cv_HAVE_IFACE_GETIFADDRS=yes,libreplace_cv_HAVE_IFACE_GETIFADDRS=no,libreplace_cv_HAVE_IFACE_GETIFADDRS=cross)])
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if test x"$libreplace_cv_HAVE_IFACE_GETIFADDRS" = x"yes"; then
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iface=yes;AC_DEFINE(HAVE_IFACE_GETIFADDRS,1,[Whether iface getifaddrs is available])
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LIBREPLACE_NETWORK_OBJS="${LIBREPLACE_NETWORK_OBJS} getifaddrs.o"
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if test $iface = no; then
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AC_CACHE_CHECK([for iface AIX],libreplace_cv_HAVE_IFACE_AIX,[
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#define HAVE_IFACE_AIX 1
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#define NO_CONFIG_H 1
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#define AUTOCONF_TEST 1
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#undef _XOPEN_SOURCE_EXTENDED
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#define SOCKET_WRAPPER_NOT_REPLACE
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#include "$libreplacedir/replace.c"
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#include "$libreplacedir/inet_ntop.c"
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#include "$libreplacedir/snprintf.c"
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#include "$libreplacedir/getifaddrs.c"
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#define getifaddrs_test main
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#include "$libreplacedir/test/getifaddrs.c"],
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libreplace_cv_HAVE_IFACE_AIX=yes,libreplace_cv_HAVE_IFACE_AIX=no,libreplace_cv_HAVE_IFACE_AIX=cross)])
309
if test x"$libreplace_cv_HAVE_IFACE_AIX" = x"yes"; then
310
iface=yes;AC_DEFINE(HAVE_IFACE_AIX,1,[Whether iface AIX is available])
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if test $iface = no; then
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AC_CACHE_CHECK([for iface ifconf],libreplace_cv_HAVE_IFACE_IFCONF,[
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#define HAVE_IFACE_IFCONF 1
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#define NO_CONFIG_H 1
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#define AUTOCONF_TEST 1
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#define SOCKET_WRAPPER_NOT_REPLACE
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#include "$libreplacedir/replace.c"
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#include "$libreplacedir/inet_ntop.c"
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#include "$libreplacedir/snprintf.c"
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#include "$libreplacedir/getifaddrs.c"
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#define getifaddrs_test main
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#include "$libreplacedir/test/getifaddrs.c"],
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libreplace_cv_HAVE_IFACE_IFCONF=yes,libreplace_cv_HAVE_IFACE_IFCONF=no,libreplace_cv_HAVE_IFACE_IFCONF=cross)])
329
if test x"$libreplace_cv_HAVE_IFACE_IFCONF" = x"yes"; then
330
iface=yes;AC_DEFINE(HAVE_IFACE_IFCONF,1,[Whether iface ifconf is available])
334
if test $iface = no; then
335
AC_CACHE_CHECK([for iface ifreq],libreplace_cv_HAVE_IFACE_IFREQ,[
337
#define HAVE_IFACE_IFREQ 1
338
#define NO_CONFIG_H 1
339
#define AUTOCONF_TEST 1
340
#define SOCKET_WRAPPER_NOT_REPLACE
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#include "$libreplacedir/replace.c"
342
#include "$libreplacedir/inet_ntop.c"
343
#include "$libreplacedir/snprintf.c"
344
#include "$libreplacedir/getifaddrs.c"
345
#define getifaddrs_test main
346
#include "$libreplacedir/test/getifaddrs.c"],
347
libreplace_cv_HAVE_IFACE_IFREQ=yes,libreplace_cv_HAVE_IFACE_IFREQ=no,libreplace_cv_HAVE_IFACE_IFREQ=cross)])
348
if test x"$libreplace_cv_HAVE_IFACE_IFREQ" = x"yes"; then
349
iface=yes;AC_DEFINE(HAVE_IFACE_IFREQ,1,[Whether iface ifreq is available])
354
AC_CACHE_CHECK([for ipv6 support],libreplace_cv_HAVE_IPV6,[
356
#include <stdlib.h> /* for NULL */
357
#include <sys/socket.h>
358
#include <sys/types.h>
360
#include <netinet/in.h>
363
struct sockaddr_storage sa_store;
364
struct addrinfo *ai = NULL;
365
struct in6_addr in6addr;
366
int idx = if_nametoindex("iface1");
367
int s = socket(AF_INET6, SOCK_STREAM, 0);
368
int ret = getaddrinfo(NULL, NULL, NULL, &ai);
370
const char *es = gai_strerror(ret);
374
libreplace_cv_HAVE_IPV6=yes
376
libreplace_cv_HAVE_IPV6=no
379
if test x"$libreplace_cv_HAVE_IPV6" = x"yes"; then
380
AC_DEFINE(HAVE_IPV6,1,[Whether the system has IPv6 support])
384
CPPFLAGS="$libreplace_SAVE_CPPFLAGS"
386
LIBREPLACEOBJ="${LIBREPLACEOBJ} ${LIBREPLACE_NETWORK_OBJS}"
388
echo "LIBREPLACE_NETWORK_CHECKS: END"
389
]) dnl end AC_LIBREPLACE_NETWORK_CHECKS