diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 6bb315b976d4..ee66ccb0cf1d 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,8 @@
+2005-03-25  Mark Mitchell  <mark@codesourcery.com>
+
+	* testsuite/lib/libstdc++.exp (v3-build_support): Pass -w when
+	compiling support objects.
+
 2005-03-24  Benjamin Kosnik  <bkoz@redhat.com>
 
 	* include/tr1/memory: Forward to...
diff --git a/libstdc++-v3/testsuite/lib/libstdc++.exp b/libstdc++-v3/testsuite/lib/libstdc++.exp
index 0b870a531bca..9c9ace296378 100644
--- a/libstdc++-v3/testsuite/lib/libstdc++.exp
+++ b/libstdc++-v3/testsuite/lib/libstdc++.exp
@@ -322,8 +322,10 @@ proc v3-build_support {} {
 	[list testsuite_abi.cc testsuite_allocator.cc testsuite_hooks.cc]
     foreach f $source_files {
 	set object_file [file rootname $f].o
+	# Compile with "-w" so that warnings issued by the compiler
+	# do not prevent compilation.
 	if { [v3_target_compile $srcdir/$f $object_file "object" \
-               "incdir=$srcdir"] 
+		  [list "incdir=$srcdir" "additional_flags=-w"]]
 	     != "" } {
 	    error "could not compile $f"
 	}