+# check for sockaddr_storage
+dnl Check if sockaddr structure includes a "ss_family"
+AC_CHECK_MEMBER([struct sockaddr_storage.ss_family],
+ [ AC_DEFINE(HAVE_SOCKADDR_STORAGE,1,[Whether we have sockaddr_Storage]) ],
+ [],
+ [
+#include <sys/types.h>
+#include <sys/socket.h>
+])
+