mirror of
https://github.com/mollyim/webrtc.git
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585209b36e
BUG=chromium:690916 NOTRY=True Review-Url: https://codereview.webrtc.org/2692443003 Cr-Commit-Position: refs/heads/master@{#16579}
224 lines
8.5 KiB
Python
Executable file
224 lines
8.5 KiB
Python
Executable file
#!/usr/bin/env python
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# Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
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#
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# Use of this source code is governed by a BSD-style license
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# that can be found in the LICENSE file in the root of the source
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# tree. An additional intellectual property rights grant can be found
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# in the file PATENTS. All contributing project authors may
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# be found in the AUTHORS file in the root of the source tree.
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"""WebRTC iOS FAT libraries build script.
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Each architecture is compiled separately before being merged together.
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By default, the library is created in out_ios_libs/. (Change with -o.)
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The headers will be copied to out_ios_libs/include.
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"""
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import argparse
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import distutils.dir_util
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import logging
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import os
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import shutil
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import subprocess
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import sys
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os.environ['PATH'] = '/usr/libexec' + os.pathsep + os.environ['PATH']
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SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
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WEBRTC_BASE_DIR = os.path.abspath(os.path.join(SCRIPT_DIR, '..', '..'))
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SDK_OUTPUT_DIR = os.path.join(WEBRTC_BASE_DIR, 'out_ios_libs')
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SDK_LIB_NAME = 'librtc_sdk_objc.a'
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SDK_FRAMEWORK_NAME = 'WebRTC.framework'
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ENABLED_ARCHITECTURES = ['arm', 'arm64', 'x64']
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IOS_DEPLOYMENT_TARGET = '8.0'
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LIBVPX_BUILD_VP9 = False
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def _ParseArgs():
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument('-b', '--build_type', default='framework',
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choices=['framework', 'static_only'],
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help='The build type. Can be "framework" or "static_only". '
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'Defaults to "framework".')
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parser.add_argument('--build_config', default='release',
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choices=['debug', 'release'],
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help='The build config. Can be "debug" or "release". '
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'Defaults to "release".')
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parser.add_argument('-c', '--clean', action='store_true', default=False,
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help='Removes the previously generated build output, if any.')
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parser.add_argument('-o', '--output-dir', default=SDK_OUTPUT_DIR,
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help='Specifies a directory to output the build artifacts to. '
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'If specified together with -c, deletes the dir.')
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parser.add_argument('-r', '--revision', type=int, default=0,
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help='Specifies a revision number to embed if building the framework.')
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parser.add_argument('-e', '--bitcode', action='store_true', default=False,
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help='Compile with bitcode.')
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parser.add_argument('--verbose', action='store_true', default=False,
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help='Debug logging.')
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parser.add_argument('--use-goma', action='store_true', default=False,
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help='Use goma to build.')
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parser.add_argument('--extra-gn-args', default=[], nargs='*',
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help='Additional GN args to be used during Ninja generation.')
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return parser.parse_args()
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def _RunCommand(cmd):
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logging.debug('Running: %r', cmd)
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subprocess.check_call(cmd)
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def _CleanArtifacts(output_dir):
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if os.path.isdir(output_dir):
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logging.info('Deleting %s', output_dir)
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shutil.rmtree(output_dir)
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def BuildWebRTC(output_dir, target_arch, flavor, build_type,
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ios_deployment_target, libvpx_build_vp9, use_bitcode,
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use_goma, extra_gn_args):
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output_dir = os.path.join(output_dir, target_arch + '_libs')
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gn_args = ['target_os="ios"', 'ios_enable_code_signing=false',
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'use_xcode_clang=true', 'is_component_build=false']
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# Add flavor option.
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if flavor == 'debug':
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gn_args.append('is_debug=true')
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elif flavor == 'release':
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gn_args.append('is_debug=false')
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else:
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raise ValueError('Unexpected flavor type: %s' % flavor)
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gn_args.append('target_cpu="%s"' % target_arch)
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gn_args.append('ios_deployment_target="%s"' % ios_deployment_target)
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gn_args.append('rtc_libvpx_build_vp9=' +
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('true' if libvpx_build_vp9 else 'false'))
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gn_args.append('enable_ios_bitcode=' +
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('true' if use_bitcode else 'false'))
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gn_args.append('use_goma=' + ('true' if use_goma else 'false'))
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# Generate static or dynamic.
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if build_type == 'static_only':
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gn_target_name = 'rtc_sdk_objc'
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elif build_type == 'framework':
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gn_target_name = 'rtc_sdk_framework_objc'
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gn_args.append('enable_dsyms=true')
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gn_args.append('enable_stripping=true')
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else:
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raise ValueError('Build type "%s" is not supported.' % build_type)
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logging.info('Building WebRTC with args: %s', ' '.join(gn_args))
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cmd = ['gn', 'gen', output_dir,
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'--args=' + ' '.join(gn_args + extra_gn_args)]
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_RunCommand(cmd)
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logging.info('Building target: %s', gn_target_name)
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cmd = ['ninja', '-C', output_dir, gn_target_name]
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_RunCommand(cmd)
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# Strip debug symbols to reduce size.
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if build_type == 'static_only':
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gn_target_path = os.path.join(output_dir, 'obj', 'webrtc', 'sdk',
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'lib%s.a' % gn_target_name)
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cmd = ['strip', '-S', gn_target_path, '-o',
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os.path.join(output_dir, 'lib%s.a' % gn_target_name)]
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_RunCommand(cmd)
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def main():
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args = _ParseArgs()
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logging.basicConfig(level=logging.DEBUG if args.verbose else logging.INFO)
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if args.clean:
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_CleanArtifacts(args.output_dir)
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return 0
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# Build all architectures.
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for arch in ENABLED_ARCHITECTURES:
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BuildWebRTC(args.output_dir, arch, args.build_config, args.build_type,
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IOS_DEPLOYMENT_TARGET, LIBVPX_BUILD_VP9, args.bitcode,
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args.use_goma, args.extra_gn_args)
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# Ignoring x86 except for static libraries for now because of a GN build issue
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# where the generated dynamic framework has the wrong architectures.
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# Create FAT archive.
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if args.build_type == 'static_only':
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BuildWebRTC(args.output_dir, 'x86', args.build_config, args.build_type,
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IOS_DEPLOYMENT_TARGET, LIBVPX_BUILD_VP9, args.bitcode,
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args.use_goma, args.extra_gn_args)
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arm_lib_path = os.path.join(args.output_dir, 'arm_libs', SDK_LIB_NAME)
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arm64_lib_path = os.path.join(args.output_dir, 'arm64_libs', SDK_LIB_NAME)
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x64_lib_path = os.path.join(args.output_dir, 'x64_libs', SDK_LIB_NAME)
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x86_lib_path = os.path.join(args.output_dir, 'x86_libs', SDK_LIB_NAME)
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# Combine the slices.
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cmd = ['lipo', arm_lib_path, arm64_lib_path, x64_lib_path, x86_lib_path,
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'-create', '-output', os.path.join(args.output_dir, SDK_LIB_NAME)]
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_RunCommand(cmd)
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elif args.build_type == 'framework':
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arm_lib_path = os.path.join(args.output_dir, 'arm_libs')
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arm64_lib_path = os.path.join(args.output_dir, 'arm64_libs')
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x64_lib_path = os.path.join(args.output_dir, 'x64_libs')
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# Combine the slices.
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dylib_path = os.path.join(SDK_FRAMEWORK_NAME, 'WebRTC')
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# Use distutils instead of shutil to support merging folders.
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distutils.dir_util.copy_tree(
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os.path.join(arm64_lib_path, SDK_FRAMEWORK_NAME),
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os.path.join(args.output_dir, SDK_FRAMEWORK_NAME))
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try:
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os.remove(os.path.join(args.output_dir, dylib_path))
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except OSError:
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pass
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logging.info('Merging framework slices.')
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cmd = ['lipo', os.path.join(arm_lib_path, dylib_path),
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os.path.join(arm64_lib_path, dylib_path),
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os.path.join(x64_lib_path, dylib_path),
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'-create', '-output', os.path.join(args.output_dir, dylib_path)]
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_RunCommand(cmd)
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# Merge the dSYM slices.
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dsym_path = os.path.join('WebRTC.dSYM', 'Contents', 'Resources', 'DWARF',
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'WebRTC')
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distutils.dir_util.copy_tree(os.path.join(arm64_lib_path, 'WebRTC.dSYM'),
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os.path.join(args.output_dir, 'WebRTC.dSYM'))
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try:
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os.remove(os.path.join(args.output_dir, dsym_path))
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except OSError:
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pass
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logging.info('Merging dSYM slices.')
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cmd = ['lipo', os.path.join(arm_lib_path, dsym_path),
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os.path.join(arm64_lib_path, dsym_path),
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os.path.join(x64_lib_path, dsym_path),
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'-create', '-output', os.path.join(args.output_dir, dsym_path)]
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_RunCommand(cmd)
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# Modify the version number.
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# Format should be <Branch cut MXX>.<Hotfix #>.<Rev #>.
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# e.g. 55.0.14986 means branch cut 55, no hotfixes, and revision 14986.
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infoplist_path = os.path.join(args.output_dir, SDK_FRAMEWORK_NAME,
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'Info.plist')
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cmd = ['PlistBuddy', '-c',
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'Print :CFBundleShortVersionString', infoplist_path]
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major_minor = subprocess.check_output(cmd).strip()
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version_number = '%s.%s' % (major_minor, args.revision)
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logging.info('Substituting revision number: %s', version_number)
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cmd = ['PlistBuddy', '-c',
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'Set :CFBundleVersion ' + version_number, infoplist_path]
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_RunCommand(cmd)
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_RunCommand(['plutil', '-convert', 'binary1', infoplist_path])
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logging.info('Done.')
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return 0
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if __name__ == '__main__':
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sys.exit(main())
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