Create targets for dart2js files, pub files, pkg files.

pkg/pkg.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.
 
 {
   'targets': [
     {
       'target_name': 'pkg_packages',
       'type': 'none',
       'actions': [
         {
           'action_name': 'make_pkg_packages',
           'inputs': [
             '../tools/make_links.py',
             '<!@(["python", "../tools/list_pkg_directories.py", "."])',
             '<!@(["python", "../tools/list_pkg_directories.py", '
                 '"third_party"])',
             '<!@(["python", "../tools/list_pkg_directories.py", '
                 '"../third_party/pkg"])',
             '<!@(["python", "../tools/list_pkg_directories.py", '
-                '"../pkg/polymer/example/"])',
+                '"polymer/example/"])',
           ],
           'outputs': [
             '<(SHARED_INTERMEDIATE_DIR)/packages.stamp',
           ],
           'action': [
             'python', '../tools/make_links.py',
             '--timestamp_file=<(SHARED_INTERMEDIATE_DIR)/packages.stamp',
             '<(PRODUCT_DIR)/packages',
             '<@(_inputs)',
           ],
         },
       ],
+    },
+    # Other targets depend on pkg files, but have to many inputs, which causes

[Bill Hesse, 2014/04/22 12:47:03]

have too many inputs

+    # issues on some platforms.
+    # This target lists all the files in pkg and third_party/pkg,
+    # and creates a single pkg_files.stamp
+    {
+      'target_name': 'pkg_files_stamp',
+      'type': 'none',
+      'actions': [
+        {
+          'action_name': 'make_pkg_files_stamp',
+          'inputs': [
+            '../tools/create_timestamp_file.py',
+            '<!@(["python", "../tools/list_files.py", "", "."])',
+            '<!@(["python", "../tools/list_files.py", "",'
+                '"../third_party/pkg"])',
+          ],
+          'outputs': [
+            '<(SHARED_INTERMEDIATE_DIR)/pgk_files.stamp',

[ricow1, 2014/04/22 11:33:30]

and here :-) thanks

+          ],
+          'action': [
+            'python', '../tools/create_timestamp_file.py',
+            '<@(_outputs)',
+          ],
+        },
+      ],
     }
   ],
 }