Add support for NetBSD (OS = netbsd)

pylib/gyp/generator/make.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.
 
 # Notes:
 #
 # This is all roughly based on the Makefile system used by the Linux
 # kernel, but is a non-recursive make -- we put the entire dependency
 # graph in front of make and let it figure it out.
 #
@@ skipping 1561 matching lines @@
         self.WriteDoCmd([self.output_binary], link_deps, 'link_host',
                         part_of_all, postbuilds=postbuilds)
       else:
         self.WriteDoCmd([self.output_binary], link_deps, 'link', part_of_all,
                         postbuilds=postbuilds)
 
     elif self.type == 'static_library':
       for link_dep in link_deps:
         assert ' ' not in link_dep, (
             "Spaces in alink input filenames not supported (%s)"  % link_dep)
-      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.WriteDoCmd([self.output_binary], link_deps, 'alink_thin',
                         part_of_all, postbuilds=postbuilds)
       else:
         self.WriteDoCmd([self.output_binary], link_deps, 'alink', part_of_all,
                         postbuilds=postbuilds)
     elif self.type == 'shared_library':
       self.WriteLn('%s: LD_INPUTS := %s' % (
             QuoteSpaces(self.output_binary),
             ' '.join(map(QuoteSpaces, link_deps))))
@@ skipping 611 matching lines @@
     root_makefile.write("endif\n")
   root_makefile.write('\n')
 
   if (not generator_flags.get('standalone')
       and generator_flags.get('auto_regeneration', True)):
     WriteAutoRegenerationRule(params, root_makefile, makefile_name, build_files)
 
   root_makefile.write(SHARED_FOOTER)
 
   root_makefile.close()