Do not remote duplicate entries from ldflags when generating ninja files as it changes behavior

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 1151 matching lines @@
       # Respect environment variables related to build, but target-specific
       # flags can still override them.
       ldflags = env_ldflags + config.get('ldflags', [])
       if is_executable and len(solibs):
         rpath = 'lib/'
         if self.toolset != 'target':
           rpath += self.toolset
         ldflags.append(r'-Wl,-rpath=\$$ORIGIN/%s' % rpath)
         ldflags.append('-Wl,-rpath-link=%s' % rpath)
     self.WriteVariableList(ninja_file, 'ldflags',
-                           gyp.common.uniquer(map(self.ExpandSpecial, ldflags)))
+                           map(self.ExpandSpecial, ldflags))
 
     library_dirs = config.get('library_dirs', [])
     if self.flavor == 'win':
       library_dirs = [self.msvs_settings.ConvertVSMacros(l, config_name)
                       for l in library_dirs]
       library_dirs = ['/LIBPATH:' + QuoteShellArgument(self.GypPathToNinja(l),
                                                        self.flavor)
                       for l in library_dirs]
     else:
       library_dirs = [QuoteShellArgument('-L' + self.GypPathToNinja(l),
@@ skipping 1199 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)