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'))
23import gyp_chromium
24import gyp_helper
25import vs_toolchain
26
27sys.path.insert(0, os.path.join(checkout_root, 'tools', 'gyp', 'pylib'))
28import gyp
29
30def GetSupplementalFiles():
31  """Returns a list of the supplemental files that are included in all GYP
32  sources."""
33  # Can't use the one in gyp_chromium since the directory location of the root
34  # is different.
35  return glob.glob(os.path.join(checkout_root, '*', 'supplement.gypi'))
36
37
38if __name__ == '__main__':
39  args = sys.argv[1:]
40
41  if int(os.environ.get('GYP_CHROMIUM_NO_ACTION', 0)):
42    print 'Skipping gyp_webrtc due to GYP_CHROMIUM_NO_ACTION env var.'
43    sys.exit(0)
44
45  if 'SKIP_WEBRTC_GYP_ENV' not in os.environ:
46    # Update the environment based on webrtc.gyp_env
47    gyp_env_path = os.path.join(os.path.dirname(checkout_root),
48                                'webrtc.gyp_env')
49    gyp_helper.apply_gyp_environment_from_file(gyp_env_path)
50
51  # This could give false positives since it doesn't actually do real option
52  # parsing.  Oh well.
53  gyp_file_specified = False
54  for arg in args:
55    if arg.endswith('.gyp'):
56      gyp_file_specified = True
57      break
58
59  # If we didn't get a file, assume 'all.gyp' in the root of the checkout.
60  if not gyp_file_specified:
61    # Because of a bug in gyp, simply adding the abspath to all.gyp doesn't
62    # work, but chdir'ing and adding the relative path does. Spooky :/
63    os.chdir(checkout_root)
64    args.append('all.gyp')
65
66  # There shouldn't be a circular dependency relationship between .gyp files,
67  args.append('--no-circular-check')
68
69  # Default to ninja unless GYP_GENERATORS is set.
70  if not os.environ.get('GYP_GENERATORS'):
71    os.environ['GYP_GENERATORS'] = 'ninja'
72
73  vs2013_runtime_dll_dirs = None
74  if int(os.environ.get('DEPOT_TOOLS_WIN_TOOLCHAIN', '1')):
75    vs2013_runtime_dll_dirs = vs_toolchain.SetEnvironmentAndGetRuntimeDllDirs()
76
77  # Enforce gyp syntax checking. This adds about 20% execution time.
78  args.append('--check')
79
80  supplemental_includes = GetSupplementalFiles()
81  gn_vars_dict = gyp_chromium.GetGypVars(supplemental_includes)
82
83  # Automatically turn on crosscompile support for platforms that need it.
84  if all(('ninja' in os.environ.get('GYP_GENERATORS', ''),
85          gn_vars_dict.get('OS') in ['android', 'ios'],
86          'GYP_CROSSCOMPILE' not in os.environ)):
87    os.environ['GYP_CROSSCOMPILE'] = '1'
88
89  args.extend(['-I' + i for i in
90               gyp_chromium.additional_include_files(supplemental_includes,
91                                                     args)])
92
93  # Set the gyp depth variable to the root of the checkout.
94  args.append('--depth=' + os.path.relpath(checkout_root))
95
96  print 'Updating projects from gyp files...'
97  sys.stdout.flush()
98
99  # Off we go...
100  gyp_rc = gyp.main(args)
101
102  if vs2013_runtime_dll_dirs:
103    x64_runtime, x86_runtime = vs2013_runtime_dll_dirs
104    vs_toolchain.CopyVsRuntimeDlls(
105        os.path.join(checkout_root, gyp_chromium.GetOutputDirectory()),
106        (x86_runtime, x64_runtime))
107
108  sys.exit(gyp_rc)
109