diff --git a/BUILD.gn b/BUILD.gn
new file mode 100644
index 0000000..fe03cf6
--- /dev/null
+++ b/BUILD.gn
@@ -0,0 +1,27 @@
+# Copyright (c) 2023 Huawei Device Co., Ltd.
+# 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.
+
+import("//build/ohos.gni")
+
+ohos_cargo_crate("lib") {
+    crate_name = "cfg_if"
+    crate_type = "rlib"
+    crate_root = "src/lib.rs"
+
+    sources = ["src/lib.rs"]
+    edition = "2018"
+    cargo_pkg_version = "1.0.0"
+    cargo_pkg_authors = "Alex Crichton <alex@alexcrichton.com>"
+    cargo_pkg_name = "cfg-if"
+    cargo_pkg_description = "A macro to ergonomically define an item depending on a large number of #[cfg]parameters. Structured like an if-else chain, the first matching branch is theitem that gets emitted."
+}