Adds support for the library_dirs key, which appears in the documentation but was never actually im…

pylib/gyp/generator/ninja.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 gyp
 import gyp.common
 import gyp.msvs_emulation
 import gyp.MSVSVersion
 import gyp.system_test
@@ skipping 720 matching lines @@
                                                   self.GypPathToNinja)])
 
     include_dirs = config.get('include_dirs', [])
     if self.flavor == 'win':
       include_dirs = self.msvs_settings.AdjustIncludeDirs(include_dirs,
                                                           config_name)
     self.WriteVariableList('includes',
         [QuoteShellArgument('-I' + self.GypPathToNinja(i), self.flavor)
          for i in include_dirs])
 
+    library_dirs = config.get('library_dirs', [])
+    if self.flavor == 'win':
+      library_dirs = self.msvs_settings.AdjustLibraryDirs(library_dirs,
+                                                          config_name)
+    self.WriteVariableList('libs',
+        [QuoteShellArgument('-L' + self.GypPathToNinja(l), self.flavor)
+         for l in library_dirs])
+
     pch_commands = precompiled_header.GetPchBuildCommands()
     if self.flavor == 'mac':
       self.WriteVariableList('cflags_pch_c',
                              [precompiled_header.GetInclude('c')])
       self.WriteVariableList('cflags_pch_cc',
                              [precompiled_header.GetInclude('cc')])
       self.WriteVariableList('cflags_pch_objc',
                              [precompiled_header.GetInclude('m')])
       self.WriteVariableList('cflags_pch_objcc',
                              [precompiled_header.GetInclude('mm')])
@@ skipping 877 matching lines @@
 
   user_config = params.get('generator_flags', {}).get('config', None)
   if user_config:
     GenerateOutputForConfig(target_list, target_dicts, data, params,
                             user_config)
   else:
     config_names = target_dicts[target_list[0]]['configurations'].keys()
     for config_name in config_names:
       GenerateOutputForConfig(target_list, target_dicts, data, params,
                               config_name)