Don't build dart2js scripts.

dart/utils/compiler/compiler.gyp

 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # 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.
 
 {
   'variables': {
     'dart_dir': '../..',
   },
   'targets': [
     {
       'target_name': 'dart2js',
       'type': 'none',
       'dependencies': [
         '../../runtime/dart-runtime.gyp:dart',
       ],
       'actions': [
         {
-          'action_name': 'build_dart2js',
-          'inputs': [
-            '<(PRODUCT_DIR)/<(EXECUTABLE_PREFIX)dart<(EXECUTABLE_SUFFIX)',
-            'build_helper.dart',
-          ],
-          'outputs': [
-            '<(PRODUCT_DIR)/dart2js',
-            '<(PRODUCT_DIR)/dart2js.bat',
-            '<(PRODUCT_DIR)/dart2js_developer',
-            '<(PRODUCT_DIR)/dart2js_developer.bat',
-            '<(PRODUCT_DIR)/dartdoc',
-            '<(PRODUCT_DIR)/dartdoc.bat',
-          ],
-          'action': [
-            '<(PRODUCT_DIR)/<(EXECUTABLE_PREFIX)dart<(EXECUTABLE_SUFFIX)',
-            '--enable-checked-mode',
-            'build_helper.dart',
-            # Note: it would seem more straight-forward to pass in
-            # '<(PRODUCT_DIR)/<(EXECUTABLE_PREFIX)dart<(EXECUTABLE_SUFFIX)'.
-            # Unfortunately, there is some strange interaction with
-            # GYP so it doesn't work.
-            '<(PRODUCT_DIR)',
-            '<(EXECUTABLE_PREFIX)dart<(EXECUTABLE_SUFFIX)',
-            'dart2js',
-            'dart2js_developer',
-            'dartdoc',
-            '<(dart_dir)',
-          ],
-        },
-        {
           'action_name': 'generate_dart2js_snapshot',
           'inputs': [
             '<(PRODUCT_DIR)/<(EXECUTABLE_PREFIX)gen_snapshot<(EXECUTABLE_SUFFIX)',
             '<(PRODUCT_DIR)/<(EXECUTABLE_PREFIX)dart<(EXECUTABLE_SUFFIX)',
             '../../sdk/lib/_internal/libraries.dart',
             '<!@(["python", "../../tools/list_files.py", "\\.dart$", "../../sdk/lib/_internal/compiler", "../../runtime/lib"])',
           ],
           'outputs': [
             '<(PRODUCT_DIR)/dart2js.snapshot',
           ],
           'action': [
             '<(PRODUCT_DIR)/<(EXECUTABLE_PREFIX)gen_snapshot<(EXECUTABLE_SUFFIX)',
             # Note: we don't store the snapshot in the location where
             # the dart2js script is looking for it.  The motivation
             # for that is to support an incremental development model
             # for dart2js compiler engineers.  However, we install the
             # snapshot in the proper location when building the SDK.
             '--script_snapshot=<(PRODUCT_DIR)/dart2js.snapshot',
             '../../sdk/lib/_internal/compiler/implementation/dart2js.dart',
           ],
         },
       ],
     },
   ],
 }