exo: produce libwayland-client.so

components/exo/BUILD.gn

 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 
 source_set("exo") {
   sources = [
     "buffer.cc",
@@ skipping 107 matching lines @@
   deps = [
     ":unit_tests",
     "//ash:test_support",
     "//base",
     "//base/test:test_support",
   ]
   if (is_linux) {
     deps += [ "//components/exo/wayland:unit_tests" ]
   }
 }
+
+if (is_linux) {
+  executable("wayland_client_demo") {
+    output_name = "wayland_client_demo"
+    deps = [
+      "//components/exo/wayland/client_demo:client_demo",
+    ]
+  }
+}