749 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
	
			
		
		
	
	
			749 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
	
#!/usr/bin/env python
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#
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# Copyright (C) 2015 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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#      http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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"""Builds the Android Clang toolchain."""
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import argparse
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import glob
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import logging
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import multiprocessing
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import os
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import pprint
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import subprocess
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import sys
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import version
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# Disable all the "too many/few methods/parameters" warnings and the like.
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# pylint: disable=design
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# Disable lint warnings for todo comments and the like.
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# pylint: disable=fixme
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# TODO: Add docstrings?
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# pylint: disable=missing-docstring
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THIS_DIR = os.path.realpath(os.path.dirname(__file__))
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ORIG_ENV = dict(os.environ)
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class Config(object):
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    """Container for global configuration options."""
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    # Set True to skip all actions (log only). Controlled by --dry-run.
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    dry_run = False
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def logger():
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    """Returns the default logger for the module."""
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    return logging.getLogger(__name__)
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def android_path(*args):
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    return os.path.realpath(os.path.join(THIS_DIR, '../..', *args))
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def build_path(*args):
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    # Our multistage build directories will be placed under OUT_DIR if it is in
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    # the environment. By default they will be placed under
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    # $ANDROID_BUILD_TOP/out.
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    top_out = ORIG_ENV.get('OUT_DIR', 'out')
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    return os.path.join(top_out, *args)
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def short_version():
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    return '.'.join([version.major, version.minor])
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def long_version():
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    return '.'.join([version.major, version.minor, version.patch])
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def check_call(cmd, *args, **kwargs):
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    """Proxy for subprocess.check_call with logging and dry-run support."""
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    import subprocess
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    logger().info('check_call: %s', ' '.join(cmd))
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    if 'env' in kwargs:
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        # Rather than dump the whole environment to the terminal every time,
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        # just print the difference between this call and our environment.
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        # Note that this will not include environment that was *removed* from
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        # os.environ.
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        extra_env = dict(set(kwargs['env'].items()) - set(os.environ.items()))
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        if len(extra_env) > 0:
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            logger().info('check_call additional env:\n%s',
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                          pprint.pformat(extra_env))
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    if not Config.dry_run:
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        subprocess.check_call(cmd, *args, **kwargs)
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def install_file(src, dst):
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    """Proxy for shutil.copy2 with logging and dry-run support."""
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    import shutil
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    logger().info('copy %s %s', src, dst)
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    if not Config.dry_run:
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        shutil.copy2(src, dst)
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def install_directory(src, dst):
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    """Proxy for shutil.copytree with logging and dry-run support."""
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    import shutil
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    logger().info('copytree %s %s', src, dst)
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    if not Config.dry_run:
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        shutil.copytree(src, dst)
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def rmtree(path):
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    """Proxy for shutil.rmtree with logging and dry-run support."""
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    import shutil
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    logger().info('rmtree %s', path)
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    if not Config.dry_run:
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        shutil.rmtree(path)
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def rename(src, dst):
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    """Proxy for os.rename with logging and dry-run support."""
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    logger().info('rename %s %s', src, dst)
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    if not Config.dry_run:
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        os.rename(src, dst)
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def makedirs(path):
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    """Proxy for os.makedirs with logging and dry-run support."""
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    logger().info('makedirs %s', path)
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    if not Config.dry_run:
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        os.makedirs(path)
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def symlink(src, dst):
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    """Proxy for os.symlink with logging and dry-run support."""
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    logger().info('symlink %s %s', src, dst)
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    if not Config.dry_run:
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        os.symlink(src, dst)
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def build(out_dir, prebuilts_path=None, prebuilts_version=None,
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          build_all_clang_tools=None, build_all_llvm_tools=None,
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          debug_clang=None, max_jobs=multiprocessing.cpu_count()):
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    products = (
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        'aosp_arm',
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        'aosp_arm64',
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        'aosp_mips',
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        'aosp_mips64',
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        'aosp_x86',
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        'aosp_x86_64',
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    )
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    for product in products:
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        build_product(out_dir, product, prebuilts_path, prebuilts_version,
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                      build_all_clang_tools, build_all_llvm_tools, debug_clang,
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                      max_jobs)
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def build_product(out_dir, product, prebuilts_path, prebuilts_version,
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                  build_all_clang_tools, build_all_llvm_tools, debug_clang,
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                  max_jobs):
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    env = dict(ORIG_ENV)
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    env['DISABLE_LLVM_DEVICE_BUILDS'] = 'true'
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    env['DISABLE_RELOCATION_PACKER'] = 'true'
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    env['FORCE_BUILD_LLVM_COMPONENTS'] = 'true'
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    env['FORCE_BUILD_SANITIZER_SHARED_OBJECTS'] = 'true'
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    env['OUT_DIR'] = out_dir
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    env['SKIP_LLVM_TESTS'] = 'true'
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    env['SOONG_ALLOW_MISSING_DEPENDENCIES'] = 'true'
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    env['TARGET_BUILD_VARIANT'] = 'userdebug'
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    env['TARGET_PRODUCT'] = product
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    if debug_clang:
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        env['FORCE_BUILD_LLVM_DEBUG'] = 'true'
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        env['FORCE_BUILD_LLVM_DISABLE_NDEBUG'] = 'true'
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    overrides = []
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    if prebuilts_path is not None:
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        overrides.append('LLVM_PREBUILTS_BASE={}'.format(prebuilts_path))
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    if prebuilts_version is not None:
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        overrides.append('LLVM_PREBUILTS_VERSION={}'.format(prebuilts_version))
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    # Use at least 1 and at most all available CPUs (sanitize the user input).
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    jobs_arg = '-j{}'.format(
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        max(1, min(max_jobs, multiprocessing.cpu_count())))
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    targets = ['clang-toolchain-minimal']
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    if build_all_clang_tools:
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        targets += ['clang-toolchain-full']
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    if build_all_llvm_tools:
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        targets += ['llvm-tools']
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    check_call(['make', jobs_arg] + overrides + targets,
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               cwd=android_path(), env=env)
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def package_toolchain(build_dir, build_name, host, dist_dir):
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    package_name = 'clang-' + build_name
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    install_host_dir = build_path('install', host)
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    install_dir = os.path.join(install_host_dir, package_name)
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    # Remove any previously installed toolchain so it doesn't pollute the
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    # build.
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    if os.path.exists(install_host_dir):
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        rmtree(install_host_dir)
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    install_toolchain(build_dir, install_dir, host, True)
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    version_file_path = os.path.join(install_dir, 'AndroidVersion.txt')
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    with open(version_file_path, 'w') as version_file:
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        version_file.write('{}.{}.{}\n'.format(
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            version.major, version.minor, version.patch))
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    tarball_name = package_name + '-' + host
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    package_path = os.path.join(dist_dir, tarball_name) + '.tar.bz2'
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    logger().info('Packaging %s', package_path)
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    args = [
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        'tar', '-cjC', install_host_dir, '-f', package_path, package_name
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    ]
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    check_call(args)
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def install_minimal_toolchain(build_dir, install_dir, host, strip):
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    install_built_host_files(build_dir, install_dir, host, strip, minimal=True)
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    install_headers(build_dir, install_dir, host)
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    install_sanitizers(build_dir, install_dir, host)
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def install_toolchain(build_dir, install_dir, host, strip):
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    install_built_host_files(build_dir, install_dir, host, strip)
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    install_compiler_wrapper(install_dir, host)
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    install_sanitizer_scripts(install_dir)
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    install_scan_scripts(install_dir)
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    install_analyzer_scripts(install_dir)
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    install_headers(build_dir, install_dir, host)
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    install_profile_rt(build_dir, install_dir, host)
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    install_sanitizers(build_dir, install_dir, host)
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    install_sanitizer_tests(build_dir, install_dir, host)
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    install_libomp(build_dir, install_dir, host)
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    install_license_files(install_dir)
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    install_repo_prop(install_dir)
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def get_built_host_files(host, minimal):
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    is_windows = host.startswith('windows')
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    is_darwin = host.startswith('darwin-x86')
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    bin_ext = '.exe' if is_windows else ''
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    if is_windows:
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        lib_ext = '.dll'
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    elif is_darwin:
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        lib_ext = '.dylib'
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    else:
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        lib_ext = '.so'
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    built_files = [
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        'bin/clang' + bin_ext,
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        'bin/clang++' + bin_ext,
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    ]
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    if not is_windows:
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        built_files.extend(['lib64/libc++' + lib_ext])
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    if minimal:
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        return built_files
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    built_files.extend([
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        'bin/clang-format' + bin_ext,
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        'bin/clang-tidy' + bin_ext,
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    ])
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    if is_windows:
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        built_files.extend([
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            'bin/clang_32' + bin_ext,
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        ])
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    else:
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        built_files.extend([
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            'bin/FileCheck' + bin_ext,
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            'bin/llvm-as' + bin_ext,
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            'bin/llvm-dis' + bin_ext,
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            'bin/llvm-link' + bin_ext,
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            'bin/llvm-symbolizer' + bin_ext,
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            'lib64/libLLVM' + lib_ext,
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            'lib64/LLVMgold' + lib_ext,
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        ])
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    return built_files
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def install_built_host_files(build_dir, install_dir, host, strip, minimal=None):
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    built_files = get_built_host_files(host, minimal)
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    for built_file in built_files:
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        dirname = os.path.dirname(built_file)
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        install_path = os.path.join(install_dir, dirname)
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        if not os.path.exists(install_path):
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            makedirs(install_path)
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        built_path = os.path.join(build_dir, 'host', host, built_file)
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        install_file(built_path, install_path)
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        file_name = os.path.basename(built_file)
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        # Only strip bin files (not libs) on darwin.
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        is_darwin = host.startswith('darwin-x86')
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        if strip and (not is_darwin or built_file.startswith('bin/')):
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            check_call(['strip', os.path.join(install_path, file_name)])
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def install_sanitizer_scripts(install_dir):
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    script_path = android_path(
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        'external/compiler-rt/lib/asan/scripts/asan_device_setup')
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    install_file(script_path, os.path.join(install_dir, 'bin'))
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def install_analyzer_scripts(install_dir):
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    """Create and install bash scripts for invoking Clang for analysis."""
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    analyzer_text = (
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        '#!/bin/bash\n'
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        'if [ "$1" != "-cc1" ]; then\n'
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        '    `dirname $0`/../clang{clang_suffix} -target {target} "$@"\n'
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        'else\n'
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        '    # target/triple already spelled out.\n'
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        '    `dirname $0`/../clang{clang_suffix} "$@"\n'
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        'fi\n'
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    )
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    arch_target_pairs = (
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        ('arm64-v8a', 'aarch64-none-linux-android'),
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        ('armeabi', 'armv5te-none-linux-androideabi'),
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        ('armeabi-v7a', 'armv7-none-linux-androideabi'),
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        ('armeabi-v7a-hard', 'armv7-none-linux-androideabi'),
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        ('mips', 'mipsel-none-linux-android'),
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        ('mips64', 'mips64el-none-linux-android'),
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        ('x86', 'i686-none-linux-android'),
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        ('x86_64', 'x86_64-none-linux-android'),
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    )
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    for arch, target in arch_target_pairs:
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        arch_path = os.path.join(install_dir, 'bin', arch)
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        makedirs(arch_path)
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        analyzer_file_path = os.path.join(arch_path, 'analyzer')
 | 
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        logger().info('Creating %s', analyzer_file_path)
 | 
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        with open(analyzer_file_path, 'w') as analyzer_file:
 | 
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            analyzer_file.write(
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                analyzer_text.format(clang_suffix='', target=target))
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						|
        subprocess.check_call(['chmod', 'a+x', analyzer_file_path])
 | 
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 | 
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        analyzerpp_file_path = os.path.join(arch_path, 'analyzer++')
 | 
						|
        logger().info('Creating %s', analyzerpp_file_path)
 | 
						|
        with open(analyzerpp_file_path, 'w') as analyzerpp_file:
 | 
						|
            analyzerpp_file.write(
 | 
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                analyzer_text.format(clang_suffix='++', target=target))
 | 
						|
        subprocess.check_call(['chmod', 'a+x', analyzerpp_file_path])
 | 
						|
 | 
						|
 | 
						|
def install_scan_scripts(install_dir):
 | 
						|
    tools_install_dir = os.path.join(install_dir, 'tools')
 | 
						|
    makedirs(tools_install_dir)
 | 
						|
    tools = ('scan-build', 'scan-view')
 | 
						|
    tools_dir = android_path('external/clang/tools')
 | 
						|
    for tool in tools:
 | 
						|
        tool_path = os.path.join(tools_dir, tool)
 | 
						|
        install_path = os.path.join(install_dir, 'tools', tool)
 | 
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        install_directory(tool_path, install_path)
 | 
						|
 | 
						|
 | 
						|
def install_headers(build_dir, install_dir, host):
 | 
						|
    def should_copy(path):
 | 
						|
        if os.path.basename(path) in ('Makefile', 'CMakeLists.txt'):
 | 
						|
            return False
 | 
						|
        _, ext = os.path.splitext(path)
 | 
						|
        if ext == '.mk':
 | 
						|
            return False
 | 
						|
        return True
 | 
						|
 | 
						|
    headers_src = android_path('external/clang/lib/Headers')
 | 
						|
    headers_dst = os.path.join(
 | 
						|
        install_dir, 'lib64/clang', short_version(), 'include')
 | 
						|
    makedirs(headers_dst)
 | 
						|
    for header in os.listdir(headers_src):
 | 
						|
        if not should_copy(header):
 | 
						|
            continue
 | 
						|
        install_file(os.path.join(headers_src, header), headers_dst)
 | 
						|
 | 
						|
    install_file(android_path('bionic/libc/include/stdatomic.h'), headers_dst)
 | 
						|
 | 
						|
    # arm_neon.h gets produced as part of external/clang/Android.bp.
 | 
						|
    # We must bundle the resulting file as part of the official Clang headers.
 | 
						|
    arm_neon_h = os.path.join(
 | 
						|
        build_dir, 'soong/.intermediates/external/clang/clang-gen-arm-neon/gen/clang/Basic/arm_neon.h')
 | 
						|
    install_file(arm_neon_h, headers_dst)
 | 
						|
 | 
						|
    symlink(short_version(),
 | 
						|
            os.path.join(install_dir, 'lib64/clang', long_version()))
 | 
						|
 | 
						|
 | 
						|
def install_profile_rt(build_dir, install_dir, host):
 | 
						|
    lib_dir = os.path.join(
 | 
						|
        install_dir, 'lib64/clang', short_version(), 'lib/linux')
 | 
						|
    makedirs(lib_dir)
 | 
						|
 | 
						|
    install_target_profile_rt(build_dir, lib_dir)
 | 
						|
 | 
						|
    # We only support profiling libs for Linux and Android.
 | 
						|
    if host == 'linux-x86':
 | 
						|
        install_host_profile_rt(build_dir, host, lib_dir)
 | 
						|
 | 
						|
 | 
						|
def install_target_profile_rt(build_dir, lib_dir):
 | 
						|
    product_to_arch = {
 | 
						|
        'generic': 'arm',
 | 
						|
        'generic_arm64': 'aarch64',
 | 
						|
        'generic_mips': 'mipsel',
 | 
						|
        'generic_mips64': 'mips64el',
 | 
						|
        'generic_x86': 'i686',
 | 
						|
        'generic_x86_64': 'x86_64',
 | 
						|
    }
 | 
						|
 | 
						|
    for product, arch in product_to_arch.items():
 | 
						|
        product_dir = os.path.join(build_dir, 'target/product', product)
 | 
						|
        static_libs = os.path.join(product_dir, 'obj/STATIC_LIBRARIES')
 | 
						|
        built_lib = os.path.join(
 | 
						|
            static_libs, 'libprofile_rt_intermediates/libprofile_rt.a')
 | 
						|
        lib_name = 'libclang_rt.profile-{}-android.a'.format(arch)
 | 
						|
        install_file(built_lib, os.path.join(lib_dir, lib_name))
 | 
						|
 | 
						|
 | 
						|
def install_host_profile_rt(build_dir, host, lib_dir):
 | 
						|
    arch_to_obj_dir = {
 | 
						|
        'i686': 'obj32',
 | 
						|
        'x86_64': 'obj',
 | 
						|
    }
 | 
						|
 | 
						|
    for arch, obj_dir in arch_to_obj_dir.items():
 | 
						|
        static_libs = os.path.join(
 | 
						|
            build_dir, 'host', host, obj_dir, 'STATIC_LIBRARIES')
 | 
						|
        built_lib = os.path.join(
 | 
						|
            static_libs, 'libprofile_rt_intermediates/libprofile_rt.a')
 | 
						|
        lib_name = 'libclang_rt.profile-{}.a'.format(arch)
 | 
						|
        install_file(built_lib, os.path.join(lib_dir, lib_name))
 | 
						|
 | 
						|
 | 
						|
def install_libomp(build_dir, install_dir, host):
 | 
						|
    # libomp is not built for Darwin
 | 
						|
    if host == 'darwin-x86':
 | 
						|
        return
 | 
						|
 | 
						|
    lib_dir = os.path.join(
 | 
						|
        install_dir, 'lib64/clang', short_version(), 'lib/linux')
 | 
						|
    if not os.path.isdir(lib_dir):
 | 
						|
        makedirs(lib_dir)
 | 
						|
 | 
						|
    product_to_arch = {
 | 
						|
        'generic': 'arm',
 | 
						|
        'generic_arm64': 'arm64',
 | 
						|
        'generic_x86': 'x86',
 | 
						|
        'generic_x86_64': 'x86_64',
 | 
						|
    }
 | 
						|
 | 
						|
    for product, arch in product_to_arch.items():
 | 
						|
        module = 'libomp-' + arch
 | 
						|
        product_dir = os.path.join(build_dir, 'target/product', product)
 | 
						|
        shared_libs = os.path.join(product_dir, 'obj/SHARED_LIBRARIES')
 | 
						|
        built_lib = os.path.join(
 | 
						|
            shared_libs,
 | 
						|
            '{}_intermediates/PACKED/{}.so'.format(module, module))
 | 
						|
        install_file(built_lib, os.path.join(lib_dir, module + '.so'))
 | 
						|
 | 
						|
 | 
						|
def install_sanitizers(build_dir, install_dir, host):
 | 
						|
    headers_src = android_path('external/compiler-rt/include/sanitizer')
 | 
						|
    clang_lib = os.path.join(install_dir, 'lib64/clang', short_version())
 | 
						|
    headers_dst = os.path.join(clang_lib, 'include/sanitizer')
 | 
						|
    lib_dst = os.path.join(clang_lib, 'lib/linux')
 | 
						|
    install_directory(headers_src, headers_dst)
 | 
						|
 | 
						|
    if not os.path.exists(lib_dst):
 | 
						|
        makedirs(lib_dst)
 | 
						|
 | 
						|
    if host == 'linux-x86':
 | 
						|
        install_host_sanitizers(build_dir, host, lib_dst)
 | 
						|
 | 
						|
    # Tuples of (product, arch)
 | 
						|
    product_to_arch = (
 | 
						|
        ('generic', 'arm'),
 | 
						|
        ('generic_arm64', 'aarch64'),
 | 
						|
        ('generic_x86', 'i686'),
 | 
						|
        ('generic_mips', 'mips'),
 | 
						|
        ('generic_mips64', 'mips64'),
 | 
						|
    )
 | 
						|
 | 
						|
    sanitizers = ('asan', 'ubsan_standalone')
 | 
						|
 | 
						|
    for product, arch in product_to_arch:
 | 
						|
        for sanitizer in sanitizers:
 | 
						|
            module = 'libclang_rt.{}-{}-android'.format(sanitizer, arch)
 | 
						|
            product_dir = os.path.join(build_dir, 'target/product', product)
 | 
						|
            lib_dir = os.path.join(product_dir, 'obj/SHARED_LIBRARIES',
 | 
						|
                                   '{}_intermediates'.format(module))
 | 
						|
            lib_name = '{}.so'.format(module)
 | 
						|
            built_lib = os.path.join(lib_dir, 'PACKED', lib_name)
 | 
						|
            install_file(built_lib, lib_dst)
 | 
						|
 | 
						|
 | 
						|
# Also install the asan_test binaries. We need to do this because the
 | 
						|
# platform sources for compiler-rt are potentially different from our
 | 
						|
# toolchain sources. The only way to ensure that this test builds
 | 
						|
# correctly is to make it a prebuilt based on our latest toolchain
 | 
						|
# sources. Note that this is only created/compiled by the previous
 | 
						|
# stage (usually stage1) compiler. We are not doing a subsequent
 | 
						|
# compile with our stage2 binaries to construct any further
 | 
						|
# device-targeted objects.
 | 
						|
def install_sanitizer_tests(build_dir, install_dir, host):
 | 
						|
    # Tuples of (product, arch)
 | 
						|
    product_to_arch = (
 | 
						|
        ('generic', 'arm'),
 | 
						|
        ('generic_arm64', 'aarch64'),
 | 
						|
        ('generic_x86', 'i686'),
 | 
						|
        ('generic_mips', 'mips'),
 | 
						|
        ('generic_mips64', 'mips64'),
 | 
						|
    )
 | 
						|
 | 
						|
    for product, arch in product_to_arch:
 | 
						|
        product_dir = os.path.join(build_dir, 'target/product', product)
 | 
						|
        test_module = 'asan_test'
 | 
						|
        test_dir = os.path.join(product_dir, 'obj/EXECUTABLES',
 | 
						|
                                '{}_intermediates'.format(test_module))
 | 
						|
        built_test = os.path.join(test_dir, 'PACKED', test_module)
 | 
						|
        test_dst = os.path.join(install_dir, 'test', arch, 'bin')
 | 
						|
        makedirs(test_dst)
 | 
						|
        install_file(built_test, test_dst)
 | 
						|
 | 
						|
 | 
						|
def install_host_sanitizers(build_dir, host, lib_dst):
 | 
						|
    # Tuples of (name, multilib).
 | 
						|
    libs = (
 | 
						|
        ('asan', True),
 | 
						|
        ('asan_cxx', True),
 | 
						|
        ('ubsan_standalone', True),
 | 
						|
        ('ubsan_standalone_cxx', True),
 | 
						|
        ('tsan', False),
 | 
						|
        ('tsan_cxx', False),
 | 
						|
    )
 | 
						|
 | 
						|
    obj32 = os.path.join(build_dir, 'host', host, 'obj32/STATIC_LIBRARIES')
 | 
						|
    obj64 = os.path.join(build_dir, 'host', host, 'obj/STATIC_LIBRARIES')
 | 
						|
    for lib, is_multilib in libs:
 | 
						|
        built_lib_name = 'lib{}.a'.format(lib)
 | 
						|
 | 
						|
        obj64_dir = os.path.join(obj64, 'lib{}_intermediates'.format(lib))
 | 
						|
        lib64_name = 'libclang_rt.{}-x86_64.a'.format(lib)
 | 
						|
        built_lib64 = os.path.join(obj64_dir, built_lib_name)
 | 
						|
        install_file(built_lib64, os.path.join(lib_dst, lib64_name))
 | 
						|
        if is_multilib:
 | 
						|
            obj32_dir = os.path.join(obj32, 'lib{}_intermediates'.format(lib))
 | 
						|
            lib32_name = 'libclang_rt.{}-i686.a'.format(lib)
 | 
						|
            built_lib32 = os.path.join(obj32_dir, built_lib_name)
 | 
						|
            install_file(built_lib32, os.path.join(lib_dst, lib32_name))
 | 
						|
 | 
						|
 | 
						|
def install_license_files(install_dir):
 | 
						|
    projects = (
 | 
						|
        'clang',
 | 
						|
        'clang-tools-extra',
 | 
						|
        'compiler-rt',
 | 
						|
        'libcxx',
 | 
						|
        'libcxxabi',
 | 
						|
        'libunwind_llvm',
 | 
						|
        'llvm',
 | 
						|
        'openmp_llvm'
 | 
						|
    )
 | 
						|
 | 
						|
    notices = []
 | 
						|
    for project in projects:
 | 
						|
        project_path = android_path('external', project)
 | 
						|
        license_pattern = os.path.join(project_path, 'MODULE_LICENSE_*')
 | 
						|
        for license_file in glob.glob(license_pattern):
 | 
						|
            install_file(license_file, install_dir)
 | 
						|
        with open(os.path.join(project_path, 'NOTICE')) as notice_file:
 | 
						|
            notices.append(notice_file.read())
 | 
						|
    with open(os.path.join(install_dir, 'NOTICE'), 'w') as notice_file:
 | 
						|
        notice_file.write('\n'.join(notices))
 | 
						|
 | 
						|
 | 
						|
def install_repo_prop(install_dir):
 | 
						|
    file_name = 'repo.prop'
 | 
						|
 | 
						|
    dist_dir = os.environ.get('DIST_DIR')
 | 
						|
    if dist_dir is not None:
 | 
						|
        dist_repo_prop = os.path.join(dist_dir, file_name)
 | 
						|
        install_file(dist_repo_prop, install_dir)
 | 
						|
    else:
 | 
						|
        out_file = os.path.join(install_dir, file_name)
 | 
						|
        with open(out_file, 'w') as prop_file:
 | 
						|
            cmd = [
 | 
						|
                'repo', 'forall', '-c',
 | 
						|
                'echo $REPO_PROJECT $(git rev-parse HEAD)',
 | 
						|
            ]
 | 
						|
            check_call(cmd, stdout=prop_file)
 | 
						|
 | 
						|
 | 
						|
def install_compiler_wrapper(install_dir, host):
 | 
						|
    is_windows = host.startswith('windows')
 | 
						|
    bin_ext = '.exe' if is_windows else ''
 | 
						|
 | 
						|
    built_files = [
 | 
						|
        'bin/clang' + bin_ext,
 | 
						|
        'bin/clang++' + bin_ext,
 | 
						|
    ]
 | 
						|
 | 
						|
    if is_windows:
 | 
						|
        built_files.extend([
 | 
						|
            'bin/clang_32' + bin_ext,
 | 
						|
        ])
 | 
						|
 | 
						|
    wrapper_dir = android_path('external/clang')
 | 
						|
    wrapper = os.path.join(wrapper_dir, 'compiler_wrapper')
 | 
						|
 | 
						|
    for built_file in built_files:
 | 
						|
        old_file = os.path.join(install_dir, built_file)
 | 
						|
        new_file = os.path.join(install_dir, built_file + ".real")
 | 
						|
        rename(old_file, new_file)
 | 
						|
        install_file(wrapper, old_file)
 | 
						|
 | 
						|
 | 
						|
def parse_args():
 | 
						|
    parser = argparse.ArgumentParser()
 | 
						|
 | 
						|
    parser.add_argument('-j', action='store', dest='jobs', type=int,
 | 
						|
                        default=multiprocessing.cpu_count(),
 | 
						|
                        help='Specify number of executed jobs')
 | 
						|
 | 
						|
    parser.add_argument(
 | 
						|
        '--build-name', default='dev', help='Release name for the package.')
 | 
						|
    parser.add_argument(
 | 
						|
        '--dry-run', action='store_true', default=False,
 | 
						|
        help='Skip running commands; just print.')
 | 
						|
    parser.add_argument(
 | 
						|
        '-v', '--verbose', action='store_true', default=False,
 | 
						|
        help='Print debug output.')
 | 
						|
 | 
						|
    multi_stage_group = parser.add_mutually_exclusive_group()
 | 
						|
    multi_stage_group.add_argument(
 | 
						|
        '--multi-stage', action='store_true', default=True,
 | 
						|
        help='Perform multi-stage build (enabled by default).')
 | 
						|
    multi_stage_group.add_argument(
 | 
						|
        '--no-multi-stage', action='store_false', dest='multi_stage',
 | 
						|
        help='Do not perform multi-stage build.')
 | 
						|
 | 
						|
    build_all_llvm_tools_group = parser.add_mutually_exclusive_group()
 | 
						|
    build_all_llvm_tools_group.add_argument(
 | 
						|
        '--build-all-llvm-tools', action='store_true', default=True,
 | 
						|
        help='Build all the LLVM tools/utilities.')
 | 
						|
    build_all_llvm_tools_group.add_argument(
 | 
						|
        '--no-build-all-llvm-tools', action='store_false',
 | 
						|
        dest='build_all_llvm_tools',
 | 
						|
        help='Do not build all the LLVM tools/utilities.')
 | 
						|
 | 
						|
    build_debug_clang_group = parser.add_mutually_exclusive_group()
 | 
						|
    build_debug_clang_group.add_argument(
 | 
						|
        '--debug-clang', action='store_true', default=True,
 | 
						|
        help='Also generate a debug version of clang (enabled by default).')
 | 
						|
    build_debug_clang_group.add_argument(
 | 
						|
        '--no-debug-clang', action='store_false',
 | 
						|
        dest='debug_clang',
 | 
						|
        help='Skip generating a debug version of clang.')
 | 
						|
 | 
						|
    return parser.parse_args()
 | 
						|
 | 
						|
 | 
						|
def main():
 | 
						|
    args = parse_args()
 | 
						|
    log_level = logging.INFO
 | 
						|
    if args.verbose:
 | 
						|
        log_level = logging.DEBUG
 | 
						|
    logging.basicConfig(level=log_level)
 | 
						|
 | 
						|
    logger().info('chdir %s', android_path())
 | 
						|
    os.chdir(android_path())
 | 
						|
 | 
						|
    Config.dry_run = args.dry_run
 | 
						|
 | 
						|
    if sys.platform.startswith('linux'):
 | 
						|
        hosts = ['linux-x86', 'windows-x86']
 | 
						|
    elif sys.platform == 'darwin':
 | 
						|
        hosts = ['darwin-x86']
 | 
						|
    else:
 | 
						|
        raise RuntimeError('Unsupported host: {}'.format(sys.platform))
 | 
						|
 | 
						|
    stage_1_out_dir = build_path('stage1')
 | 
						|
 | 
						|
    # For a multi-stage build, build a minimum clang for the first stage that is
 | 
						|
    # just enough to build the second stage.
 | 
						|
    is_stage1_final = not args.multi_stage
 | 
						|
    build(out_dir=stage_1_out_dir,
 | 
						|
          build_all_clang_tools=is_stage1_final,
 | 
						|
          build_all_llvm_tools=(is_stage1_final and args.build_all_llvm_tools),
 | 
						|
          max_jobs=args.jobs)
 | 
						|
    final_out_dir = stage_1_out_dir
 | 
						|
    if args.multi_stage:
 | 
						|
        stage_1_install_dir = build_path('stage1-install')
 | 
						|
        for host in hosts:
 | 
						|
            package_name = 'clang-' + args.build_name
 | 
						|
            install_host_dir = os.path.join(stage_1_install_dir, host)
 | 
						|
            install_dir = os.path.join(install_host_dir, package_name)
 | 
						|
 | 
						|
            # Remove any previously installed toolchain so it doesn't pollute
 | 
						|
            # the build.
 | 
						|
            if os.path.exists(install_host_dir):
 | 
						|
                rmtree(install_host_dir)
 | 
						|
 | 
						|
            install_minimal_toolchain(stage_1_out_dir, install_dir, host, True)
 | 
						|
 | 
						|
        stage_2_out_dir = build_path('stage2')
 | 
						|
        build(out_dir=stage_2_out_dir, prebuilts_path=stage_1_install_dir,
 | 
						|
              prebuilts_version=package_name,
 | 
						|
              build_all_clang_tools=True,
 | 
						|
              build_all_llvm_tools=args.build_all_llvm_tools,
 | 
						|
              max_jobs=args.jobs)
 | 
						|
        final_out_dir = stage_2_out_dir
 | 
						|
 | 
						|
        if args.debug_clang:
 | 
						|
            debug_clang_out_dir = build_path('debug')
 | 
						|
            build(out_dir=debug_clang_out_dir,
 | 
						|
                  prebuilts_path=stage_1_install_dir,
 | 
						|
                  prebuilts_version=package_name,
 | 
						|
                  build_all_clang_tools=True,
 | 
						|
                  build_all_llvm_tools=args.build_all_llvm_tools,
 | 
						|
                  debug_clang=args.debug_clang,
 | 
						|
                  max_jobs=args.jobs)
 | 
						|
            # Install the actual debug toolchain somewhere, so it is easier to
 | 
						|
            # use.
 | 
						|
            debug_package_name = 'clang-debug'
 | 
						|
            base_debug_install_dir = build_path('debug-install')
 | 
						|
            for host in hosts:
 | 
						|
                debug_install_host_dir = os.path.join(
 | 
						|
                    base_debug_install_dir, host)
 | 
						|
                debug_install_dir = os.path.join(
 | 
						|
                    debug_install_host_dir, debug_package_name)
 | 
						|
                if os.path.exists(debug_install_host_dir):
 | 
						|
                    rmtree(debug_install_host_dir)
 | 
						|
                install_toolchain(
 | 
						|
                    debug_clang_out_dir, debug_install_dir, host, False)
 | 
						|
 | 
						|
    dist_dir = ORIG_ENV.get('DIST_DIR', final_out_dir)
 | 
						|
    for host in hosts:
 | 
						|
        package_toolchain(final_out_dir, args.build_name, host, dist_dir)
 | 
						|
 | 
						|
 | 
						|
if __name__ == '__main__':
 | 
						|
    print 'This script and llvm branch are deprecated and unmaintained.'
 | 
						|
    print 'Use the llvm-toolchain branch (repo init ... -b llvm-toolchain).'
 | 
						|
    print 'https://android.googlesource.com/toolchain/llvm_android/+/master'
 | 
						|
    sys.exit(0)
 |