diff --git a/cmd/soong_ui/Android.bp b/cmd/soong_ui/Android.bp
new file mode 100644
index 0000000..6d6ef33
--- /dev/null
+++ b/cmd/soong_ui/Android.bp
@@ -0,0 +1,24 @@
+// 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.
+
+blueprint_go_binary {
+    name: "soong_ui",
+    deps: [
+        "soong-ui-build",
+        "soong-ui-logger",
+    ],
+    srcs: [
+        "main.go",
+    ],
+}
diff --git a/cmd/soong_ui/main.go b/cmd/soong_ui/main.go
new file mode 100644
index 0000000..994c54d
--- /dev/null
+++ b/cmd/soong_ui/main.go
@@ -0,0 +1,87 @@
+// 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.
+
+package main
+
+import (
+	"context"
+	"os"
+	"path/filepath"
+	"strconv"
+	"strings"
+	"time"
+
+	"android/soong/ui/build"
+	"android/soong/ui/logger"
+)
+
+func indexList(s string, list []string) int {
+	for i, l := range list {
+		if l == s {
+			return i
+		}
+	}
+
+	return -1
+}
+
+func inList(s string, list []string) bool {
+	return indexList(s, list) != -1
+}
+
+func main() {
+	log := logger.New(os.Stderr)
+	defer log.Cleanup()
+
+	if len(os.Args) < 2 || !inList("--make-mode", os.Args) {
+		log.Fatalln("The `soong` native UI is not yet available.")
+	}
+
+	// Precondition: the current directory is the top of the source tree
+	if _, err := os.Stat("build/soong/root.bp"); err != nil {
+		if os.IsNotExist(err) {
+			log.Fatalln("soong_ui should run from the root of the source directory: build/soong/root.bp not found")
+		}
+		log.Fatalln("Error verifying tree state:", err)
+	}
+
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	build.SetupSignals(log, cancel, log.Cleanup)
+
+	buildCtx := &build.ContextImpl{
+		Context:        ctx,
+		Logger:         log,
+		StdioInterface: build.StdioImpl{},
+	}
+	config := build.NewConfig(buildCtx, os.Args[1:]...)
+
+	log.SetVerbose(config.IsVerbose())
+	if err := os.MkdirAll(config.OutDir(), 0777); err != nil {
+		log.Fatalf("Error creating out directory: %v", err)
+	}
+	log.SetOutput(filepath.Join(config.OutDir(), "build.log"))
+
+	if start, ok := os.LookupEnv("TRACE_BEGIN_SOONG"); ok {
+		if !strings.HasSuffix(start, "N") {
+			if start_time, err := strconv.ParseUint(start, 10, 64); err == nil {
+				log.Verbosef("Took %dms to start up.",
+					time.Since(time.Unix(0, int64(start_time))).Nanoseconds()/time.Millisecond.Nanoseconds())
+			}
+		}
+	}
+
+	build.Build(buildCtx, config, build.BuildAll)
+}