diff --git a/audio/common/all-versions/util/Android.bp b/audio/common/all-versions/util/Android.bp
new file mode 100644
index 0000000..5d33a3a
--- /dev/null
+++ b/audio/common/all-versions/util/Android.bp
@@ -0,0 +1,10 @@
+cc_library_headers {
+    name: "android.hardware.audio.common.util@all-versions",
+    defaults: ["hidl_defaults"],
+    vendor_available: true,
+    vndk: {
+        enabled: true,
+    },
+
+    export_include_dirs: ["include"],
+}
diff --git a/audio/common/all-versions/util/include/common/all-versions/IncludeGuard.h b/audio/common/all-versions/util/include/common/all-versions/IncludeGuard.h
new file mode 100644
index 0000000..2d54816
--- /dev/null
+++ b/audio/common/all-versions/util/include/common/all-versions/IncludeGuard.h
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed 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.
+ */
+
+#ifndef AUDIO_HAL_VERSION
+#error "AUDIO_HAL_VERSION must be set before including this file."
+#endif