diff --git a/fs/Android.bp b/fs/Android.bp
new file mode 100644
index 0000000..68cb88d
--- /dev/null
+++ b/fs/Android.bp
@@ -0,0 +1,27 @@
+// Copyright 2017 Google Inc. All rights reserved.
+//
+// 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.
+
+//
+// mock filesystem
+//
+
+bootstrap_go_package {
+    name: "soong-fs",
+    pkgPath: "android/soong/fs",
+    srcs: [
+        "fs.go",
+    ],
+}
+
+