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@@ -2129,6 +2129,99 @@ AC_CACHE_CHECK([[for calloc()]], [[mhd_cv_have_func_calloc]],
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AS_VAR_IF([[mhd_cv_have_func_calloc]], [["yes"]],
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[AC_DEFINE([[HAVE_CALLOC]], [[1]], [Define to 1 if you have the usable `calloc' function.])])
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+# Some systems have IPv6 disabled in kernel at run-time
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+AS_IF([[test "x${have_inet6}" = "xyes" && test "x${cross_compiling}" = "xno"]],
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+ [
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+ AC_CACHE_CHECK([whether IPv6 could be used for testing],[mhd_cv_ipv6_for_testing],
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+ [
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+ AC_RUN_IFELSE(
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+ [
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+ AC_LANG_SOURCE([[
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+#ifdef HAVE_UNISTD_H
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+#include <unistd.h>
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+#endif
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+#ifdef HAVE_SYS_TYPES_H
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+#include <sys/types.h>
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+#endif
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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_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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+#ifdef HAVE_NETINET_IN_H
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+#include <netinet/in.h>
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+#endif
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+#ifdef HAVE_NETINET_IP_H
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+#include <netinet/ip.h>
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+#endif
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+#ifdef HAVE_ARPA_INET_H
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+#include <arpa/inet.h>
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+#endif
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+#ifdef HAVE_NETINET_TCP_H
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+#include <netinet/tcp.h>
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+#endif
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+
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+static void zr_mem(void *ptr, socklen_t size)
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+{ char *mem = ptr; while(size--) {mem[0] = 0; mem++;} }
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+
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+int main(void)
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+{
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+ int ret = 30;
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+ struct sockaddr_in6 sa;
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+#if !defined(_WIN32) || defined(__CYGWIN__)
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+ int sckt;
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+ const int invld_sckt = -1;
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+#else
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+ SOCKET sckt;
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+ const SOCKET invld_sckt = INVALID_SOCKET;
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+ WSADATA wsa_data;
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+
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+ WSAStartup(MAKEWORD(2, 2), &wsa_data);
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+#endif
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+ zr_mem(&sa, sizeof(sa));
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+ sa.sin6_family = AF_INET6;
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+ sa.sin6_port = 0;
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+ sa.sin6_addr = in6addr_loopback;
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+#ifdef HAVE_STRUCT_SOCKADDR_IN6_SIN6_LEN
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+ sa.sin6_len = sizeof(sa);
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+#endif
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+ sckt = socket (PF_INET6, SOCK_STREAM, 0);
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+ if (invld_sckt != sckt)
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+ {
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+ if (0 == bind (sckt, (struct sockaddr *)&sa, sizeof(sa)))
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+ {
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+ if (0 == listen (sckt, 1))
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+ ret = 0;
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+ else
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+ ret = 1; /* listen() failed */
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+ } else ret = 2; /* bind() failed */
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+#if !defined(_WIN32) || defined(__CYGWIN__)
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+ close (sckt);
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+#else
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+ closesocket (sckt);
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+#endif
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+ } else ret = 3; /* socket() failed */
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+#if defined(_WIN32) && !defined(__CYGWIN__)
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+ WSACleanup();
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+#endif
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+ return ret;
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+}
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+ ]])
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+ ], [[mhd_cv_ipv6_for_testing="yes"]], [[mhd_cv_ipv6_for_testing="no"]], [[mhd_cv_ipv6_for_testing="no"]]
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+ )
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+ ]
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+ )
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+ ]
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+)
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+AS_VAR_IF([mhd_cv_ipv6_for_testing],["yes"],
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+ [AC_DEFINE([[USE_IPV6_TESTING]], [[1]], [Define to 1 if your kernel supports IPv6 and IPv6 is enabled and useful for testing.])]
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+)
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+
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+
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# Check for fork() and waitpid(). They are used for tests.
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AC_MSG_CHECKING([[for fork()]])
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mhd_have_fork_waitpid='no'
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Evgeny Grin (Karlson2k)