|  | # Copyright 2015 the V8 project authors. All rights reserved. | 
|  | # Use of this source code is governed by a BSD-style license that can be | 
|  | # found in the LICENSE file. | 
|  |  | 
|  |  | 
|  | import os | 
|  | import os.path | 
|  |  | 
|  |  | 
|  | def GetNinjaOutputDirectory(v8_root, configuration=None): | 
|  | """Returns <v8_root>/<output_dir>/(Release|Debug). | 
|  |  | 
|  | The configuration chosen is the one most recently generated/built, but can be | 
|  | overriden via the <configuration> parameter. Detects a custom output_dir | 
|  | specified by GYP_GENERATOR_FLAGS.""" | 
|  |  | 
|  | output_dir = 'out' | 
|  | generator_flags = os.getenv('GYP_GENERATOR_FLAGS', '').split(' ') | 
|  | for flag in generator_flags: | 
|  | name_value = flag.split('=', 1) | 
|  | if len(name_value) == 2 and name_value[0] == 'output_dir': | 
|  | output_dir = name_value[1] | 
|  |  | 
|  | root = os.path.join(v8_root, output_dir) | 
|  | if configuration: | 
|  | return os.path.join(root, configuration) | 
|  |  | 
|  | debug_path = os.path.join(root, 'Debug') | 
|  | release_path = os.path.join(root, 'Release') | 
|  |  | 
|  | def is_release_newer(test_path): | 
|  | try: | 
|  | debug_mtime = os.path.getmtime(os.path.join(debug_path, test_path)) | 
|  | except os.error: | 
|  | debug_mtime = 0 | 
|  | try: | 
|  | rel_mtime = os.path.getmtime(os.path.join(release_path, test_path)) | 
|  | except os.error: | 
|  | rel_mtime = 0 | 
|  | return rel_mtime >= debug_mtime | 
|  |  | 
|  | if is_release_newer('.ninja_log') or is_release_newer('.ninja_deps'): | 
|  | return release_path | 
|  | return debug_path |