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  use_analyzer = len(args) and args[0] == '--analyzer'
42  if use_analyzer:
43    args.pop(0)
44    os.environ['GYP_GENERATORS'] = 'analyzer'
45    args.append('-Gconfig_path=' + args.pop(0))
46    args.append('-Ganalyzer_output_path=' + args.pop(0))
47
48  if int(os.environ.get('GYP_CHROMIUM_NO_ACTION', 0)):
49    print 'Skipping gyp_webrtc due to GYP_CHROMIUM_NO_ACTION env var.'
50    sys.exit(0)
51
52  if 'SKIP_WEBRTC_GYP_ENV' not in os.environ:
53    # Update the environment based on webrtc.gyp_env
54    gyp_env_path = os.path.join(os.path.dirname(checkout_root),
55                                'webrtc.gyp_env')
56    gyp_helper.apply_gyp_environment_from_file(gyp_env_path)
57
58  # This could give false positives since it doesn't actually do real option
59  # parsing.  Oh well.
60  gyp_file_specified = False
61  for arg in args:
62    if arg.endswith('.gyp'):
63      gyp_file_specified = True
64      break
65
66  # If we didn't get a file, assume 'all.gyp' in the root of the checkout.
67  if not gyp_file_specified:
68    # Because of a bug in gyp, simply adding the abspath to all.gyp doesn't
69    # work, but chdir'ing and adding the relative path does. Spooky :/
70    os.chdir(checkout_root)
71    args.append('all.gyp')
72
73  # There shouldn't be a circular dependency relationship between .gyp files,
74  args.append('--no-circular-check')
75
76  # Default to ninja unless GYP_GENERATORS is set.
77  if not os.environ.get('GYP_GENERATORS'):
78    os.environ['GYP_GENERATORS'] = 'ninja'
79
80  # Enable check for missing sources in GYP files on Windows.
81  if sys.platform.startswith('win'):
82    gyp_generator_flags = os.getenv('GYP_GENERATOR_FLAGS', '')
83    if not 'msvs_error_on_missing_sources' in gyp_generator_flags:
84      os.environ['GYP_GENERATOR_FLAGS'] = (
85          gyp_generator_flags + ' msvs_error_on_missing_sources=1')
86
87  vs2013_runtime_dll_dirs = None
88  if int(os.environ.get('DEPOT_TOOLS_WIN_TOOLCHAIN', '1')):
89    vs2013_runtime_dll_dirs = vs_toolchain.SetEnvironmentAndGetRuntimeDllDirs()
90
91  # Enforce gyp syntax checking. This adds about 20% execution time.
92  args.append('--check')
93
94  supplemental_includes = GetSupplementalFiles()
95  gyp_vars = gyp_chromium.GetGypVars(supplemental_includes)
96
97  # Automatically turn on crosscompile support for platforms that need it.
98  if all(('ninja' in os.environ.get('GYP_GENERATORS', ''),
99          gyp_vars.get('OS') in ['android', 'ios'],
100          'GYP_CROSSCOMPILE' not in os.environ)):
101    os.environ['GYP_CROSSCOMPILE'] = '1'
102
103  args.extend(['-I' + i for i in
104               gyp_chromium.additional_include_files(supplemental_includes,
105                                                     args)])
106
107  # Set the gyp depth variable to the root of the checkout.
108  args.append('--depth=' + os.path.relpath(checkout_root))
109
110  if not use_analyzer:
111    print 'Updating projects from gyp files...'
112    sys.stdout.flush()
113
114  # Off we go...
115  gyp_rc = gyp.main(args)
116
117  if vs2013_runtime_dll_dirs and not use_analyzer:
118    x64_runtime, x86_runtime = vs2013_runtime_dll_dirs
119    vs_toolchain.CopyVsRuntimeDlls(
120        os.path.join(checkout_root, gyp_chromium.GetOutputDirectory()),
121        (x86_runtime, x64_runtime))
122
123  sys.exit(gyp_rc)
124