diff --git a/configure.ac b/configure.ac
index c37d7f4..cdabbd8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-# $Id: configure.ac,v 1.357 2006/09/01 10:29:11 dtucker Exp $
+# $Id: configure.ac,v 1.358 2006/09/03 12:44:49 dtucker Exp $
 #
 # Copyright (c) 1999-2004 Damien Miller
 #
@@ -15,7 +15,7 @@
 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
 AC_INIT(OpenSSH, Portable, openssh-unix-dev@mindrot.org)
-AC_REVISION($Revision: 1.357 $)
+AC_REVISION($Revision: 1.358 $)
 AC_CONFIG_SRCDIR([ssh.c])
 
 AC_CONFIG_HEADER(config.h)
@@ -1328,6 +1328,12 @@
 #endif
 	])
 
+AC_CHECK_DECLS(writev, , , [
+#include <sys/types.h>
+#include <sys/uio.h>
+#include <unistd.h>
+	])
+
 AC_CHECK_FUNCS(setresuid, [
 	dnl Some platorms have setresuid that isn't implemented, test for this
 	AC_MSG_CHECKING(if setresuid seems to work)