| #!/usr/bin/env vpython3 |
| |
| # Copyright (c) 2017 The WebRTC 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 in the root of the source |
| # tree. An additional intellectual property rights grant can be found |
| # in the file PATENTS. All contributing project authors may |
| # be found in the AUTHORS file in the root of the source tree. |
| """WebRTC iOS XCFramework build script. |
| Each architecture is compiled separately before being merged together. |
| By default, the library is created in out_ios_libs/. (Change with -o.) |
| """ |
| |
| import argparse |
| import logging |
| import os |
| import shutil |
| import subprocess |
| import sys |
| |
| os.environ['PATH'] = '/usr/libexec' + os.pathsep + os.environ['PATH'] |
| |
| SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__)) |
| SRC_DIR = os.path.abspath(os.path.join(SCRIPT_DIR, '..', '..')) |
| sys.path.append(os.path.join(SRC_DIR, 'build')) |
| import find_depot_tools |
| |
| SDK_OUTPUT_DIR = os.path.join(SRC_DIR, 'out_ios_libs') |
| SDK_FRAMEWORK_NAME = 'WebRTC.framework' |
| SDK_DSYM_NAME = 'WebRTC.dSYM' |
| SDK_XCFRAMEWORK_NAME = 'WebRTC.xcframework' |
| |
| ENABLED_ARCHS = [ |
| 'device:arm64', 'simulator:arm64', 'simulator:x64', |
| 'catalyst:arm64', 'catalyst:x64', |
| 'arm64', 'x64' |
| ] |
| DEFAULT_ARCHS = [ |
| 'device:arm64', 'simulator:arm64', 'simulator:x64' |
| ] |
| IOS_MINIMUM_DEPLOYMENT_TARGET = { |
| 'device': '12.0', |
| 'simulator': '12.0', |
| 'catalyst': '14.0' |
| } |
| LIBVPX_BUILD_VP9 = False |
| |
| sys.path.append(os.path.join(SCRIPT_DIR, '..', 'libs')) |
| from generate_licenses import LicenseBuilder |
| |
| |
| def _ParseArgs(): |
| parser = argparse.ArgumentParser(description=__doc__) |
| parser.add_argument('--build_config', |
| default='release', |
| choices=['debug', 'release'], |
| help='The build config. Can be "debug" or "release". ' |
| 'Defaults to "release".') |
| parser.add_argument( |
| '--arch', |
| nargs='+', |
| default=DEFAULT_ARCHS, |
| choices=ENABLED_ARCHS, |
| help='Architectures to build. Defaults to %(default)s.') |
| parser.add_argument( |
| '-c', |
| '--clean', |
| action='store_true', |
| default=False, |
| help='Removes the previously generated build output, if any.') |
| parser.add_argument( |
| '-p', |
| '--purify', |
| action='store_true', |
| default=False, |
| help='Purifies the previously generated build output by ' |
| 'removing the temporary results used when (re)building.') |
| parser.add_argument( |
| '-o', |
| '--output-dir', |
| type=os.path.abspath, |
| default=SDK_OUTPUT_DIR, |
| help='Specifies a directory to output the build artifacts to. ' |
| 'If specified together with -c, deletes the dir.') |
| parser.add_argument( |
| '-r', |
| '--revision', |
| type=int, |
| default=0, |
| help='Specifies a revision number to embed if building the framework.') |
| parser.add_argument('--verbose', |
| action='store_true', |
| default=False, |
| help='Debug logging.') |
| parser.add_argument('--use-remoteexec', |
| action='store_true', |
| default=False, |
| help='Use RBE to build.') |
| parser.add_argument( |
| '--deployment-target', |
| default=IOS_MINIMUM_DEPLOYMENT_TARGET['device'], |
| help='Raise the minimum deployment target to build for. ' |
| 'Cannot be lowered below 12.0 for iOS/iPadOS ' |
| 'and 14.0 for Catalyst.') |
| parser.add_argument( |
| '--extra-gn-args', |
| default=[], |
| nargs='*', |
| help='Additional GN args to be used during Ninja generation.') |
| |
| return parser.parse_args() |
| |
| |
| def _RunCommand(cmd): |
| logging.debug('Running: %r', cmd) |
| subprocess.check_call(cmd, cwd=SRC_DIR) |
| |
| |
| def _CleanArtifacts(output_dir): |
| if os.path.isdir(output_dir): |
| logging.info('Deleting %s', output_dir) |
| shutil.rmtree(output_dir) |
| |
| |
| def _CleanTemporary(output_dir, architectures): |
| if os.path.isdir(output_dir): |
| logging.info('Removing temporary build files.') |
| for arch in architectures: |
| arch_lib_path = os.path.join(output_dir, arch) |
| if os.path.isdir(arch_lib_path): |
| shutil.rmtree(arch_lib_path) |
| |
| |
| def _ParseArchitecture(architectures): |
| result = dict() |
| for arch in architectures: |
| if ":" in arch: |
| target_environment, target_cpu = arch.split(":") |
| else: |
| logging.warning('The environment for build is not specified.') |
| logging.warning('It is assumed based on cpu type.') |
| logging.warning('See crbug.com/1138425 for more details.') |
| if arch == "x64": |
| target_environment = "simulator" |
| else: |
| target_environment = "device" |
| target_cpu = arch |
| archs = result.get(target_environment) |
| if archs is None: |
| result[target_environment] = {target_cpu} |
| else: |
| archs.add(target_cpu) |
| |
| return result |
| |
| |
| def _VersionMax(*versions): |
| return max(*versions, |
| key=lambda version: |
| [int(component) for component in version.split('.')]) |
| |
| |
| def BuildWebRTC(output_dir, target_environment, target_arch, flavor, |
| gn_target_name, ios_deployment_target, libvpx_build_vp9, |
| use_remoteexec, extra_gn_args): |
| gn_args = [ |
| 'target_os="ios"', |
| 'ios_enable_code_signing=false', |
| 'is_component_build=false', |
| 'rtc_include_tests=false', |
| ] |
| |
| # Add flavor option. |
| if flavor == 'debug': |
| gn_args.append('is_debug=true') |
| elif flavor == 'release': |
| gn_args.append('is_debug=false') |
| else: |
| raise ValueError('Unexpected flavor type: %s' % flavor) |
| |
| gn_args.append('target_environment="%s"' % target_environment) |
| |
| gn_args.append('target_cpu="%s"' % target_arch) |
| |
| gn_args.append('ios_deployment_target="%s"' % ios_deployment_target) |
| |
| gn_args.append('rtc_libvpx_build_vp9=' + |
| ('true' if libvpx_build_vp9 else 'false')) |
| |
| gn_args.append('use_lld=true') |
| gn_args.append('use_remoteexec=' + ('true' if use_remoteexec else 'false')) |
| gn_args.append('rtc_enable_objc_symbol_export=true') |
| |
| args_string = ' '.join(gn_args + extra_gn_args) |
| logging.info('Building WebRTC with args: %s', args_string) |
| |
| cmd = [ |
| sys.executable, |
| os.path.join(find_depot_tools.DEPOT_TOOLS_PATH, 'gn.py'), |
| 'gen', |
| output_dir, |
| '--args=' + args_string, |
| ] |
| _RunCommand(cmd) |
| logging.info('Building target: %s', gn_target_name) |
| |
| cmd = [ |
| os.path.join(SRC_DIR, 'third_party', 'ninja', 'ninja'), |
| '-C', |
| output_dir, |
| gn_target_name, |
| ] |
| if use_remoteexec: |
| cmd.extend(['-j', '200']) |
| _RunCommand(cmd) |
| |
| |
| def main(): |
| args = _ParseArgs() |
| |
| logging.basicConfig(level=logging.DEBUG if args.verbose else logging.INFO) |
| |
| if args.clean: |
| _CleanArtifacts(args.output_dir) |
| return 0 |
| |
| # architectures is typed as Dict[str, Set[str]], |
| # where key is for the environment (device or simulator) |
| # and value is for the cpu type. |
| architectures = _ParseArchitecture(args.arch) |
| gn_args = args.extra_gn_args |
| |
| if args.purify: |
| _CleanTemporary(args.output_dir, list(architectures.keys())) |
| return 0 |
| |
| gn_target_name = 'framework_objc' |
| gn_args.append('enable_dsyms=true') |
| gn_args.append('enable_stripping=true') |
| |
| # Build all architectures. |
| framework_paths = [] |
| all_lib_paths = [] |
| for (environment, archs) in list(architectures.items()): |
| ios_deployment_target = _VersionMax( |
| args.deployment_target, IOS_MINIMUM_DEPLOYMENT_TARGET[environment]) |
| framework_path = os.path.join(args.output_dir, environment) |
| framework_paths.append(framework_path) |
| lib_paths = [] |
| for arch in archs: |
| lib_path = os.path.join(framework_path, arch + '_libs') |
| lib_paths.append(lib_path) |
| BuildWebRTC(lib_path, environment, arch, args.build_config, |
| gn_target_name, ios_deployment_target, |
| LIBVPX_BUILD_VP9, args.use_remoteexec, gn_args) |
| all_lib_paths.extend(lib_paths) |
| |
| # Combine the slices. |
| dylib_path = os.path.join(SDK_FRAMEWORK_NAME, 'WebRTC') |
| # Dylibs will be combined, all other files are the same across archs. |
| shutil.rmtree(os.path.join(framework_path, SDK_FRAMEWORK_NAME), |
| ignore_errors=True) |
| shutil.copytree(os.path.join(lib_paths[0], SDK_FRAMEWORK_NAME), |
| os.path.join(framework_path, SDK_FRAMEWORK_NAME), |
| symlinks=True) |
| logging.info('Merging framework slices for %s.', environment) |
| dylib_paths = [os.path.join(path, dylib_path) for path in lib_paths] |
| out_dylib_path = os.path.join(framework_path, dylib_path) |
| if os.path.islink(out_dylib_path): |
| out_dylib_path = os.path.join(os.path.dirname(out_dylib_path), |
| os.readlink(out_dylib_path)) |
| try: |
| os.remove(out_dylib_path) |
| except OSError: |
| pass |
| cmd = ['lipo'] + dylib_paths + ['-create', '-output', out_dylib_path] |
| _RunCommand(cmd) |
| |
| # Merge the dSYM slices. |
| lib_dsym_dir_path = os.path.join(lib_paths[0], SDK_DSYM_NAME) |
| if os.path.isdir(lib_dsym_dir_path): |
| shutil.rmtree(os.path.join(framework_path, SDK_DSYM_NAME), |
| ignore_errors=True) |
| shutil.copytree(lib_dsym_dir_path, |
| os.path.join(framework_path, SDK_DSYM_NAME)) |
| logging.info('Merging dSYM slices.') |
| dsym_path = os.path.join(SDK_DSYM_NAME, 'Contents', 'Resources', |
| 'DWARF', 'WebRTC') |
| lib_dsym_paths = [ |
| os.path.join(path, dsym_path) for path in lib_paths |
| ] |
| out_dsym_path = os.path.join(framework_path, dsym_path) |
| try: |
| os.remove(out_dsym_path) |
| except OSError: |
| pass |
| cmd = ['lipo' |
| ] + lib_dsym_paths + ['-create', '-output', out_dsym_path] |
| _RunCommand(cmd) |
| |
| # Check for Mac-style WebRTC.framework/Resources/ (for Catalyst)... |
| resources_dir = os.path.join(framework_path, SDK_FRAMEWORK_NAME, |
| 'Resources') |
| if not os.path.exists(resources_dir): |
| # ...then fall back to iOS-style WebRTC.framework/ |
| resources_dir = os.path.dirname(resources_dir) |
| |
| # Modify the version number. |
| # Format should be <Branch cut MXX>.<Hotfix #>.<Rev #>. |
| # e.g. 55.0.14986 means |
| # branch cut 55, no hotfixes, and revision 14986. |
| infoplist_path = os.path.join(resources_dir, 'Info.plist') |
| cmd = [ |
| 'PlistBuddy', '-c', 'Print :CFBundleShortVersionString', |
| infoplist_path |
| ] |
| major_minor = subprocess.check_output(cmd).decode('utf-8').strip() |
| version_number = '%s.%s' % (major_minor, args.revision) |
| logging.info('Substituting revision number: %s', version_number) |
| cmd = [ |
| 'PlistBuddy', '-c', 'Set :CFBundleVersion ' + version_number, |
| infoplist_path |
| ] |
| _RunCommand(cmd) |
| _RunCommand(['plutil', '-convert', 'binary1', infoplist_path]) |
| |
| xcframework_dir = os.path.join(args.output_dir, SDK_XCFRAMEWORK_NAME) |
| if os.path.isdir(xcframework_dir): |
| shutil.rmtree(xcframework_dir) |
| |
| logging.info('Creating xcframework.') |
| cmd = ['xcodebuild', '-create-xcframework', '-output', xcframework_dir] |
| |
| # Apparently, xcodebuild needs absolute paths for input arguments |
| for framework_path in framework_paths: |
| cmd += [ |
| '-framework', |
| os.path.abspath(os.path.join(framework_path, SDK_FRAMEWORK_NAME)), |
| ] |
| dsym_full_path = os.path.join(framework_path, SDK_DSYM_NAME) |
| if os.path.exists(dsym_full_path): |
| cmd += ['-debug-symbols', os.path.abspath(dsym_full_path)] |
| |
| _RunCommand(cmd) |
| |
| # Generate the license file. |
| logging.info('Generate license file.') |
| gn_target_full_name = '//sdk:' + gn_target_name |
| builder = LicenseBuilder(all_lib_paths, [gn_target_full_name]) |
| builder.generate_license_text( |
| os.path.join(args.output_dir, SDK_XCFRAMEWORK_NAME)) |
| |
| logging.info('Done.') |
| return 0 |
| |
| |
| if __name__ == '__main__': |
| sys.exit(main()) |
