diff --git a/ChangeLog b/ChangeLog
index 155e1abe374..8a1a4c71668 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2010-04-20  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* configure.ac (BUILD_CONFIG): Redirect output to /dev/null.
+	* configure: Regenerate.
+
 2010-04-17  Ralf Corsépius  <ralf.corsepius@rtems.org>
 
 	* configure.ac (*-*-rtems*): Add target-libiberty to $skipdirs.
diff --git a/configure b/configure
index c8c60593155..91986d8b971 100755
--- a/configure
+++ b/configure
@@ -7665,7 +7665,7 @@ else
        mv conftest.o conftest.o.g0 &&
        ${CC} -c -g conftest.c &&
        mv conftest.o conftest.o.g &&
-       ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g; then
+       ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
       :
     else
       BUILD_CONFIG=
diff --git a/configure.ac b/configure.ac
index 34308c212c5..c46fc4d9946 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2720,7 +2720,7 @@ else
        mv conftest.o conftest.o.g0 &&
        ${CC} -c -g conftest.c &&
        mv conftest.o conftest.o.g &&
-       ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g; then
+       ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
       :
     else
       BUILD_CONFIG=