Fuchsia: Allows building the full SDK for host and target.

utils/compiler/BUILD.gn

Index: utils/compiler/BUILD.gn
diff --git a/utils/compiler/BUILD.gn b/utils/compiler/BUILD.gn
index 9ec1093070579b256d1a8cfccbb87edcbe0873ad..19d7beac87b6567f2e1c6681e8544f33782e5426 100644
--- a/utils/compiler/BUILD.gn
+++ b/utils/compiler/BUILD.gn
@@ -2,13 +2,13 @@
 # for details. 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/compiled_action.gni")
+import("../../build/compiled_action.gni")
 import("../create_timestamp.gni")
 import("../application_snapshot.gni")
 
 create_timestamp_file("dart2js_files_stamp") {
   path = rebase_path("../../pkg/compiler/lib")
-  output = "$root_gen_dir/dart2js_files.stamp"
+  output = "$target_gen_dir/dart2js_files.stamp"
 }
 
 create_timestamp_file("runtime_lib_files_stamp") {
@@ -31,17 +31,17 @@ compiled_action("dart2js_create_snapshot_entries") {
 
   dot_packages = rebase_path("../../.packages")
   create_snapshot_entry = rebase_path("create_snapshot_entry.dart")
-  output_dir = rebase_path(root_gen_dir)
+  output_dir = rebase_path(target_gen_dir)
 
   inputs = [
     "../../sdk/lib/_internal/sdk_library_metadata/lib/libraries.dart",
     create_snapshot_entry,
-    "$root_gen_dir/dart2js_files.stamp",
+    "$target_gen_dir/dart2js_files.stamp",
     "../../tools/VERSION",
   ]
 
-  utils_output = "$root_gen_dir/utils_wrapper.dart"
-  dart2js_output = "$root_gen_dir/dart2js.dart"
+  utils_output = "$target_gen_dir/utils_wrapper.dart"
+  dart2js_output = "$target_gen_dir/dart2js.dart"
   outputs = [
     utils_output,
     dart2js_output,
@@ -59,11 +59,12 @@ application_snapshot("dart2js") {
   deps = [
     ":dart2js_create_snapshot_entries",
   ]
-  main_dart = "$root_gen_dir/dart2js.dart"
+  main_dart = "$target_gen_dir/dart2js.dart"
   training_args = [
+    "--packages=" + rebase_path("../../.packages"),
     "--library-root=" + rebase_path("../../sdk"),
     "--categories=all",
-    rebase_path("$root_gen_dir/dart2js.dart"),
+    rebase_path("$target_gen_dir/dart2js.dart"),
   ]
 }
 
@@ -71,6 +72,6 @@ application_snapshot("utils_wrapper") {
   deps = [
     ":dart2js_create_snapshot_entries",
   ]
-  main_dart = "$root_gen_dir/utils_wrapper.dart"
+  main_dart = "$target_gen_dir/utils_wrapper.dart"
   training_args = [ "--help" ]
 }