Silence order-only configure test for AIX make.

* configure.ac: Also drop standard output, for AIX 5.1 make.

Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
diff --git a/ChangeLog b/ChangeLog
index c27f040..a23a3bf 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2010-08-29  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
+
+	Silence order-only configure test for AIX make.
+	* configure.ac: Also drop standard output, for AIX 5.1 make.
+
 2010-08-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 
 	* NEWS: Only bootstrapping needs new Automake and Autoconf.
diff --git a/configure.ac b/configure.ac
index 609051c..3cf2b47 100644
--- a/configure.ac
+++ b/configure.ac
@@ -209,7 +209,7 @@
 	touch $[]@
 END
    touch c
-   if ${MAKE-make} -s -q -f confmk 2>/dev/null; then
+   if ${MAKE-make} -s -q -f confmk >/dev/null 2>&1; then
      lt_cv_make_order_only=yes
    else
      lt_cv_make_order_only=no