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], [
AC_MSG_ERROR(No pthreads or other supported threads!)])
;;
esac
AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32")
AC_MSG_CHECKING(whether we have IPv6 support)
AC_CACHE_VAL(ac_cv_have_ipv6, [
AC_TRY_RUN([
#ifndef _WIN32
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#else
#include <winsock2.h>
#include <ws2tcpip.h>
#endif
#ifndef INVALID_SOCKET
#define INVALID_SOCKET -1
#endif
int
main()
{
int fd;
struct sockaddr_in6 addr;
fd = socket(AF_INET6, SOCK_STREAM, 0);
exit(fd != INVALID_SOCKET ? 0 : 1);
}],
ac_cv_have_ipv6="yes",
ac_cv_have_ipv6="no",
ac_cv_have_ipv6="no")])
AC_MSG_RESULT($ac_cv_have_ipv6)
test x"$ac_cv_have_ipv6" = x"yes" && \
AC_DEFINE(HAVE_IPV6, 1, "Whether we have IPv6 support")
AC_CHECK_FUNC(madvise, [AC_DEFINE(HAVE_MADVISE, 1, [Whether we have madvise])])
AC_LANG([Objective C])
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], [
AC_MSG_ERROR(No pthreads or other supported threads!)])
;;
esac
AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32")
AC_MSG_CHECKING(for getaddrinfo)
AC_TRY_COMPILE([
#include <stddef.h>
#ifndef _WIN32
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#else
#define _WIN32_WINNT 0x0501
#include <ws2tcpip.h>
#endif], [
struct addrinfo ai;
getaddrinfo(NULL, NULL, NULL, NULL);
], [have_getaddrinfo="yes"], [have_getaddrinfo="no"])
AC_MSG_RESULT($have_getaddrinfo)
test x"$have_getaddrinfo" = x"yes" && \
AC_DEFINE(HAVE_GETADDRINFO, 1, [Whether we have getaddrinfo])
AC_MSG_CHECKING(whether we have IPv6 support)
AS_IF([test x"$have_getaddrinfo" = x"yes"], [
AC_CACHE_VAL(ac_cv_have_ipv6, [
AC_TRY_RUN([
#ifndef _WIN32
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#else
#include <winsock2.h>
#include <ws2tcpip.h>
#endif
#ifndef INVALID_SOCKET
#define INVALID_SOCKET -1
#endif
int
main()
{
int fd;
struct sockaddr_in6 addr;
fd = socket(AF_INET6, SOCK_STREAM, 0);
exit(fd != INVALID_SOCKET ? 0 : 1);
}],
ac_cv_have_ipv6="yes",
ac_cv_have_ipv6="no",
ac_cv_have_ipv6="no")])], [ac_cv_have_ipv6="no"])
AC_MSG_RESULT($ac_cv_have_ipv6)
test x"$ac_cv_have_ipv6" = x"yes" && \
AC_DEFINE(HAVE_IPV6, 1, "Whether we have IPv6 support")
AC_CHECK_FUNC(madvise, [AC_DEFINE(HAVE_MADVISE, 1, [Whether we have madvise])])
AC_LANG([Objective C])
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