The constants target did not depend on the remoting_version target, so the dependencies were not ri…

remoting/host/mac/BUILD.gn

 # Copyright 2016 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("//remoting/build/config/remoting_build.gni")
 
 source_set("constants") {
   defines = [
     "HOST_BUNDLE_NAME=\"" + host_bundle_name + "\"",
     "PREFPANE_BUNDLE_NAME=\"" + prefpane_bundle_name + "\"",
   ]
 
   sources = [
     "constants_mac.cc",
     "constants_mac.h",
   ]
+
+  deps = [ "//remoting/host:remoting_version" ]
 }
 
 # remoting_me2me_host-InfoPlist.strings
 foreach(locale, remoting_locales_with_underscores) {
   bundle_data("remoting_me2me_host_strings_${locale}_bundle_data") {
     sources = [
       "$root_gen_dir/remoting/host/remoting_me2me_host-InfoPlist.strings/$locale.lproj/InfoPlist.strings",
     ]
     outputs = [
       "{{bundle_resources_dir}}/$locale.lproj/{{source_file_part}}",
@@ skipping 248 matching lines @@
   }
 }
 
 mac_xib_bundle_data("remoting_host_prefpane_xibs") {
   sources = [
     "me2me_preference_pane.xib",
     "me2me_preference_pane_confirm_pin.xib",
     "me2me_preference_pane_disable.xib",
   ]
 }