the socklen_t check is more involved now, but works on linux at least

# check for ssize_t

AC_CHECK_TYPE(ssize_t, int)

# check for socklen_t (getsockname() wants that)

dnl

dnl We can't just AC_CHECK_TYPE() for socklen_t since it doesn't appear

dnl in the standard headers. We egrep for it in the socket headers and

dnl if it is used there we assume we have the type defined, otherwise

dnl we search for it with AC_CHECK_TYPE() the "normal" way

dnl

if test "$ac_cv_header_sys_socket_h" = "yes"; then

   AC_MSG_CHECKING(for socklen_t in sys/socket.h)

   AC_EGREP_HEADER(socklen_t,

    sys/socket.h,

    socklen_t=yes

    AC_MSG_RESULT(yes),

    AC_MSG_RESULT(no))

fi

if test "$socklen_t" != "yes"; then

  # check for socklen_t the standard way if it wasn't found before

  AC_CHECK_TYPE(socklen_t, int)

fi

dnl Get system canonical name

AC_CANONICAL_HOST