Adds missing build.rs

cumulus/test/runtime/build.rs

@@ -0,0 +1,27 @@
+// Copyright 2019 Parity Technologies (UK) Ltd.
+// This file is part of Substrate.
+
+// Substrate is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Substrate is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
+
+use wasm_builder_runner::{build_current_project, WasmBuilderSource};
+
+fn main() {
+	build_current_project(
+		"wasm_binary.rs",
+		WasmBuilderSource::Git {
+			repo: "https://github.com/paritytech/substrate",
+			rev: "c7fa536d85df5d6a0fc5cdc3f82b6e5a1a2db640",
+		}
+	);
+}