-AC_CACHE_CHECK([for sin_len in sock],libnfs_cv_HAVE_SOCK_SIN_LEN,[
-AC_TRY_COMPILE([#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>],
-[struct sockaddr_in sock; sock.sin_len = sizeof(sock);],
-libnfs_cv_HAVE_SOCK_SIN_LEN=yes,libnfs_cv_HAVE_SOCK_SIN_LEN=no)])
-if test x"$libnfs_cv_HAVE_SOCK_SIN_LEN" = x"yes"; then
- AC_DEFINE(HAVE_SOCK_SIN_LEN,1,[Whether the sockaddr_in struct has a sin_len property])