Add support for NetBSD (OS = netbsd)

pylib/gyp/common.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.
 
 from __future__ import with_statement
 
 import collections
 import errno
 import filecmp
 import os.path
@@ skipping 407 matching lines @@
   if 'flavor' in params:
     return params['flavor']
   if sys.platform in flavors:
     return flavors[sys.platform]
   if sys.platform.startswith('sunos'):
     return 'solaris'
   if sys.platform.startswith('freebsd'):
     return 'freebsd'
   if sys.platform.startswith('openbsd'):
     return 'openbsd'
+  if sys.platform.startswith('netbsd'):
+    return 'netbsd'
   if sys.platform.startswith('aix'):
     return 'aix'
 
   return 'linux'
 
 
 def CopyTool(flavor, out_path):
   """Finds (flock|mac|win)_tool.gyp in the gyp directory and copies it
   to |out_path|."""
   # aix and solaris just need flock emulation. mac and win use more complicated
@@ skipping 159 matching lines @@
 def CrossCompileRequested():
   # TODO: figure out how to not build extra host objects in the
   # non-cross-compile case when this is enabled, and enable unconditionally.
   return (os.environ.get('GYP_CROSSCOMPILE') or
           os.environ.get('AR_host') or
           os.environ.get('CC_host') or
           os.environ.get('CXX_host') or
           os.environ.get('AR_target') or
           os.environ.get('CC_target') or
           os.environ.get('CXX_target'))