Use gyp.common.EnsureDirExists() in more places.

pylib/gyp/generator/eclipse.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.
 
 """GYP backend that generates Eclipse CDT settings files.
 
 This backend DOES NOT generate Eclipse CDT projects. Instead, it generates XML
 files that can be imported into an Eclipse CDT project. The XML file contains a
 list of include paths and symbols (i.e. defines).
 
@@ skipping 252 matching lines @@
   # e.g. "out/Debug"
   build_dir = os.path.join(generator_flags.get('output_dir', 'out'),
                            config_name)
 
   toplevel_build = os.path.join(options.toplevel_dir, build_dir)
   # Ninja uses out/Debug/gen while make uses out/Debug/obj/gen as the
   # SHARED_INTERMEDIATE_DIR. Include both possible locations.
   shared_intermediate_dirs = [os.path.join(toplevel_build, 'obj', 'gen'),
                               os.path.join(toplevel_build, 'gen')]
 
-  if not os.path.exists(toplevel_build):
-    os.makedirs(toplevel_build)
-  out = open(os.path.join(toplevel_build, 'eclipse-cdt-settings.xml'), 'w')
+  out_name = os.path.join(toplevel_build, 'eclipse-cdt-settings.xml')
+  gyp.common.EnsureDirExists(out_name)
+  out = open(out_name, 'w')
 
   out.write('<?xml version="1.0" encoding="UTF-8"?>\n')
   out.write('<cdtprojectproperties>\n')
 
   eclipse_langs = ['C++ Source File', 'C Source File', 'Assembly Source File',
                    'GNU C++', 'GNU C', 'Assembly']
   include_dirs = GetAllIncludeDirectories(target_list, target_dicts,
                                           shared_intermediate_dirs, config_name,
                                           params)
   WriteIncludePaths(out, eclipse_langs, include_dirs)
@@ skipping 13 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)