Add support for NetBSD (OS = netbsd)

pylib/gyp/generator/ninja.py

 # Copyright (c) 2013 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 collections
 import copy
 import hashlib
 import json
 import multiprocessing
 import os.path
@@ skipping 1253 matching lines @@
     extra_link_deps = any(self.target_outputs.get(dep).Linkable()
                           for dep in spec.get('dependencies', [])
                           if dep in self.target_outputs)
     if spec['type'] == 'none' or (not link_deps and not extra_link_deps):
       # TODO(evan): don't call this function for 'none' target types, as
       # it doesn't do anything, and we fake out a 'binary' with a stamp file.
       self.target.binary = compile_deps
       self.target.type = 'none'
     elif spec['type'] == 'static_library':
       self.target.binary = self.ComputeOutput(spec)
-      if (self.flavor not in ('mac', 'openbsd', 'win') and not
+      if (self.flavor not in ('mac', 'openbsd', 'netbsd', 'win') and not
           self.is_standalone_static_library):
         self.ninja.build(self.target.binary, 'alink_thin', link_deps,
                          order_only=compile_deps)
       else:
         variables = []
         if self.xcode_settings:
           libtool_flags = self.xcode_settings.GetLibtoolflags(config_name)
           if libtool_flags:
             variables.append(('libtool_flags', libtool_flags))
         if self.msvs_settings:
@@ skipping 1116 matching lines @@
           arglists.append(
               (target_list, target_dicts, data, params, config_name))
         pool.map(CallGenerateOutputForConfig, arglists)
       except KeyboardInterrupt, e:
         pool.terminate()
         raise e
     else:
       for config_name in config_names:
         GenerateOutputForConfig(target_list, target_dicts, data, params,
                                 config_name)