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1#!/usr/bin/env python
2#
3# Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
4#
5# Use of this source code is governed by a BSD-style license
6# that can be found in the LICENSE file in the root of the source
7# tree. An additional intellectual property rights grant can be found
8# in the file PATENTS.  All contributing project authors may
9# be found in the AUTHORS file in the root of the source tree.
10
11# This script is used to run GYP for WebRTC. It contains selected parts of the
12# main function from the src/build/gyp_chromium file.
13
14import glob
15import os
16import shlex
17import sys
18
19script_dir = os.path.dirname(os.path.realpath(__file__))
20checkout_root = os.path.abspath(os.path.join(script_dir, os.pardir, os.pardir))
21
22sys.path.insert(0, os.path.join(checkout_root, 'build'))
23sys.path.insert(0, os.path.join(checkout_root, 'tools', 'find_depot_tools'))
24import gyp_chromium
25import gyp_helper
26import vs_toolchain
27
28sys.path.insert(0, os.path.join(checkout_root, 'tools', 'gyp', 'pylib'))
29import gyp
30
31
32if __name__ == '__main__':
33  args = sys.argv[1:]
34
35  if int(os.environ.get('GYP_CHROMIUM_NO_ACTION', 0)):
36    print 'Skipping gyp_webrtc due to GYP_CHROMIUM_NO_ACTION env var.'
37    sys.exit(0)
38
39  if 'SKIP_WEBRTC_GYP_ENV' not in os.environ:
40    # Update the environment based on webrtc.gyp_env
41    gyp_env_path = os.path.join(os.path.dirname(checkout_root),
42                                'webrtc.gyp_env')
43    gyp_helper.apply_gyp_environment_from_file(gyp_env_path)
44
45  # This could give false positives since it doesn't actually do real option
46  # parsing.  Oh well.
47  gyp_file_specified = False
48  for arg in args:
49    if arg.endswith('.gyp'):
50      gyp_file_specified = True
51      break
52
53  # If we didn't get a file, assume 'all.gyp' in the root of the checkout.
54  if not gyp_file_specified:
55    args.append(os.path.join(checkout_root, 'all.gyp'))
56
57  # There shouldn't be a circular dependency relationship between .gyp files,
58  args.append('--no-circular-check')
59
60  # Default to ninja unless GYP_GENERATORS is set.
61  if not os.environ.get('GYP_GENERATORS'):
62    os.environ['GYP_GENERATORS'] = 'ninja'
63
64  vs2013_runtime_dll_dirs = None
65  if int(os.environ.get('DEPOT_TOOLS_WIN_TOOLCHAIN', '1')):
66    vs2013_runtime_dll_dirs = vs_toolchain.SetEnvironmentAndGetRuntimeDllDirs()
67
68  # Enforce gyp syntax checking. This adds about 20% execution time.
69  args.append('--check')
70
71  supplemental_includes = gyp_chromium.GetSupplementalFiles()
72  gn_vars_dict = gyp_chromium.GetGypVars(supplemental_includes)
73
74  # Automatically turn on crosscompile support for platforms that need it.
75  if all(('ninja' in os.environ.get('GYP_GENERATORS', ''),
76          gn_vars_dict.get('OS') in ['android', 'ios'],
77          'GYP_CROSSCOMPILE' not in os.environ)):
78    os.environ['GYP_CROSSCOMPILE'] = '1'
79
80  args.extend(['-I' + i for i in
81               gyp_chromium.additional_include_files(supplemental_includes,
82                                                     args)])
83
84  # Set the gyp depth variable to the root of the checkout.
85  args.append('--depth=' + os.path.relpath(checkout_root))
86
87  print 'Updating projects from gyp files...'
88  sys.stdout.flush()
89
90  # Off we go...
91  gyp_rc = gyp.main(args)
92
93  if vs2013_runtime_dll_dirs:
94    x64_runtime, x86_runtime = vs2013_runtime_dll_dirs
95    vs_toolchain.CopyVsRuntimeDlls(
96        os.path.join(checkout_root, gyp_chromium.GetOutputDirectory()),
97        (x86_runtime, x64_runtime))
98
99  sys.exit(gyp_rc)
100