diff --git a/test/cpp/realloc/Makefile b/test/cpp/realloc/Makefile
index 57ffb87..f89bbb3 100644
--- a/test/cpp/realloc/Makefile
+++ b/test/cpp/realloc/Makefile
@@ -1,3 +1,22 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
 # This probably should not go into "make check", because it is an experiment,
 # not a test.  Specifically, it is meant to determine how likely realloc is
 # to avoid a copy.  This is poorly documented.