Add "standalone_static_library" flag

pylib/gyp/generator/msvs.py

 # Copyright (c) 2012 Google Inc. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import copy
 import ntpath
 import os
 import posixpath
 import re
 import subprocess
@@ skipping 1139 matching lines @@
   msbuild_tool = ''
   output_file_map = {
       'executable': ('VCLinkerTool', 'Link', '$(OutDir)', '.exe'),
       'shared_library': ('VCLinkerTool', 'Link', '$(OutDir)', '.dll'),
       'loadable_module': ('VCLinkerTool', 'Link', '$(OutDir)', '.dll'),
       'static_library': ('VCLibrarianTool', 'Lib', '$(OutDir)lib\\', '.lib'),
   }
   output_file_props = output_file_map.get(spec['type'])
   if output_file_props and int(spec.get('msvs_auto_output_file', 1)):
     vc_tool, msbuild_tool, out_dir, suffix = output_file_props
+    if spec.get('standalone_static_library', 0):
+      out_dir = '$(OutDir)'
     out_dir = spec.get('product_dir', out_dir)
     product_extension = spec.get('product_extension')
     if product_extension:
       suffix = '.' + product_extension
     elif msbuild:
       suffix = '$(TargetExt)'
     prefix = spec.get('product_prefix', '')
     product_name = spec.get('product_name', '$(ProjectName)')
     out_file = ntpath.join(out_dir, prefix + product_name + suffix)
   return out_file, vc_tool, msbuild_tool
@@ skipping 1988 matching lines @@
   action_spec.extend(
       # TODO(jeanluc) 'Document' for all or just if as_sources?
       [['FileType', 'Document'],
        ['Command', command],
        ['Message', description],
        ['Outputs', outputs]
       ])
   if additional_inputs:
     action_spec.append(['AdditionalInputs', additional_inputs])
   actions_spec.append(action_spec)