diff --git a/applypatch/Android.bp b/applypatch/Android.bp
new file mode 100644
index 0000000..db307df
--- /dev/null
+++ b/applypatch/Android.bp
@@ -0,0 +1,195 @@
+// 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.
+
+cc_defaults {
+    name: "applypatch_defaults",
+
+    cflags: [
+        "-D_FILE_OFFSET_BITS=64",
+        "-DZLIB_CONST",
+        "-Wall",
+        "-Werror",
+    ],
+
+    local_include_dirs: [
+        "include",
+    ],
+}
+
+cc_library_static {
+    name: "libapplypatch",
+
+    defaults: [
+        "applypatch_defaults",
+    ],
+
+    srcs: [
+        "applypatch.cpp",
+        "bspatch.cpp",
+        "freecache.cpp",
+        "imgpatch.cpp",
+    ],
+
+    export_include_dirs: [
+        "include",
+    ],
+
+    static_libs: [
+        "libbase",
+        "libbspatch",
+        "libbz",
+        "libcrypto",
+        "libedify",
+        "libotafault",
+        "libotautil",
+        "libz",
+    ],
+}
+
+cc_library_static {
+    name: "libapplypatch_modes",
+
+    defaults: [
+        "applypatch_defaults",
+    ],
+
+    srcs: [
+        "applypatch_modes.cpp",
+    ],
+
+    static_libs: [
+        "libapplypatch",
+        "libbase",
+        "libcrypto",
+        "libedify",
+        "libotautil",
+    ],
+}
+
+cc_binary {
+    name: "applypatch",
+
+    defaults: [
+        "applypatch_defaults",
+    ],
+
+    srcs: [
+        "applypatch_main.cpp",
+    ],
+
+    static_libs: [
+        "libapplypatch_modes",
+        "libapplypatch",
+        "libedify",
+        "libotafault",
+        "libotautil",
+        "libbspatch",
+    ],
+
+    shared_libs: [
+        "libbase",
+        "libbz",
+        "libcrypto",
+        "liblog",
+        "libz",
+        "libziparchive",
+    ],
+}
+
+cc_library_static {
+    name: "libimgdiff",
+
+    host_supported: true,
+
+    defaults: [
+        "applypatch_defaults",
+    ],
+
+    srcs: [
+        "imgdiff.cpp",
+    ],
+
+    export_include_dirs: [
+        "include",
+    ],
+
+    static_libs: [
+        "libbase",
+        "libbsdiff",
+        "libdivsufsort",
+        "libdivsufsort64",
+        "liblog",
+        "libotautil",
+        "libutils",
+        "libz",
+        "libziparchive",
+    ],
+}
+
+cc_binary_host {
+    name: "imgdiff",
+
+    srcs: [
+        "imgdiff_main.cpp",
+    ],
+
+    defaults: [
+        "applypatch_defaults",
+    ],
+
+    static_libs: [
+        "libimgdiff",
+        "libbsdiff",
+        "libdivsufsort",
+        "libdivsufsort64",
+        "libziparchive",
+        "libbase",
+        "libutils",
+        "liblog",
+        "libbz",
+        "libz",
+    ],
+}
+
+cc_library_static {
+    name: "libimgpatch",
+
+    // The host module is for recovery_host_test (Linux only).
+    host_supported: true,
+
+    defaults: [
+        "applypatch_defaults",
+    ],
+
+    srcs: [
+        "bspatch.cpp",
+        "imgpatch.cpp",
+    ],
+
+    static_libs: [
+        "libbase",
+        "libbspatch",
+        "libbz",
+        "libcrypto",
+        "libedify",
+        "libotautil",
+        "libz",
+    ],
+
+    target: {
+        darwin: {
+            enabled: false,
+        },
+    },
+}