| dnl Copyright (c) 1995, 1996, 1997, 1998 |
| dnl tising materials mentioning |
| dnl dnl features or use of this software display the following acknowledgement: |
| dnl dnl ``This product includes software developed by the University of California, |
| dnl dnl Lawrence Berkeley Laboratory and its contributors.'' Neither the name of |
| dnl dnl the University nor the names of its contributors may be used to endorse |
| dnl dnl or promote products derived from this software without specific prior |
| dnl dnl written permission. |
| dnl dnl THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED |
| dnl dnl WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF |
| dnl dnl MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
| dnl dnl |
| dnl dnl LBL autoconf macros |
| dnl dnl |
| dnl |
| dnl |
| dnl Checks to see if the sockaddr struct has the 4.4 BSD sa_len member |
| dnl borrowed from LBL libpcap |
| AC_DEFUN(AC_CHECK_SA_LEN, [ |
| AC_MSG_CHECKING(if sockaddr struct has sa_len member) |
| AC_CACHE_VAL($1, |
| AC_TRY_COMPILE([ |
| # include <sys/types.h> |
| # include <sys/socket.h>], |
| [u_int i = sizeof(((struct sockaddr *)0)->sa_len)], |
| $1=yes, |
| $1=no)) |
| AC_MSG_RESULT($$1) |
| if test $$1 = yes ; then |
| AC_DEFINE([HAVE_SOCKADDR_SA_LEN],1,[Define if struct sockaddr has the sa_len member]) |
| fi |
| ]) |
