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dnl $Id: ac_have_inaddr_none.m4,v 1.3 2006-03-29 16:24:37 freddy77 Exp $
AC_DEFUN([AC_HAVE_INADDR_NONE], [
		AC_CACHE_CHECK([whether INADDR_NONE is defined], 
				ac_cv_have_inaddr_none,
				[AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[/* our includes */ 
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
 /* end includes */], 
					[unsigned long foo = INADDR_NONE; /* our test code */])],
					ac_cv_have_inaddr_none=yes,
  					ac_cv_have_inaddr_none=no)
					
		])
		if test $ac_cv_have_inaddr_none != yes; then
			AC_DEFINE(INADDR_NONE, 0xffffffff, 
				  [Define to value of INADDR_NONE if not provided by your system header files.])
 		fi
	]
)