| # Copyright 2018 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed under the Apache License, Version 2.0 |
| # that can be found in the LICENSE file. |
| """Recipe for building GN.""" |
| |
| from recipe_engine.recipe_api import Property |
| |
| DEPS = [ |
| 'recipe_engine/buildbucket', |
| 'recipe_engine/cas', |
| 'recipe_engine/cipd', |
| 'recipe_engine/context', |
| 'recipe_engine/file', |
| 'recipe_engine/json', |
| 'recipe_engine/path', |
| 'recipe_engine/platform', |
| 'recipe_engine/properties', |
| 'recipe_engine/raw_io', |
| 'recipe_engine/step', |
| 'target', |
| 'macos_sdk', |
| 'windows_sdk', |
| ] |
| |
| PROPERTIES = { |
| 'repository': Property(kind=str, default='https://gn.googlesource.com/gn'), |
| } |
| |
| # On select platforms, link the GN executable against jemalloc for a drastic speed boost. |
| JEMALLOC_GIT_URL = 'https://fuchsia.googlesource.com/third_party/github.com/jemalloc/jemalloc.git' |
| JEMALLOC_TAG = '5.3.0' |
| |
| def _get_libcxx_include_path(api): |
| # Run the preprocessor with an empty input and print all include paths. |
| lines = api.step( |
| 'xcrun toolchain', [ |
| 'xcrun', '--toolchain', 'clang', 'clang++', '-xc++', '-fsyntax-only', |
| '-Wp,-v', '/dev/null' |
| ], |
| stderr=api.raw_io.output_text(name='toolchain', add_output_log=True), |
| step_test_data=lambda: api.raw_io.test_api.stream_output_text( |
| str(api.macos_sdk.sdk_dir.join('include', 'c++', 'v1')), |
| stream='stderr')).stderr.splitlines() |
| # Iterate over all include paths and look for the SDK libc++ one. |
| sdk_dir = str(api.macos_sdk.sdk_dir) |
| for line in lines: |
| line = line.strip() |
| if line.startswith(sdk_dir) and 'include/c++/v1' in line: |
| return line |
| return None # pragma: no cover |
| |
| |
| def _get_compilation_environment(api, target, cipd_dir): |
| if target.is_linux: |
| triple = '--target=%s' % target.triple |
| if target.triple == 'riscv64-linux-gnu': |
| sysroot = '--sysroot=%s' % cipd_dir.join('sysroot-focal') |
| else: |
| sysroot = '--sysroot=%s' % cipd_dir.join('sysroot') |
| env = { |
| 'CC': cipd_dir.join('bin', 'clang'), |
| 'CXX': cipd_dir.join('bin', 'clang++'), |
| 'AR': cipd_dir.join('bin', 'llvm-ar'), |
| 'CFLAGS': '%s %s' % (triple, sysroot), |
| 'LDFLAGS': '%s %s -static-libstdc++' % (triple, sysroot), |
| } |
| elif target.is_mac: |
| triple = '--target=%s' % target.triple |
| sysroot = '--sysroot=%s' % api.step( |
| 'xcrun sdk-path', ['xcrun', '--show-sdk-path'], |
| stdout=api.raw_io.output_text(name='sdk-path', add_output_log=True), |
| step_test_data=lambda: api.raw_io.test_api.stream_output_text( |
| '/some/xcode/path')).stdout.strip() |
| stdlib = cipd_dir.join('lib', 'libc++.a') |
| cxx_include = _get_libcxx_include_path(api) |
| env = { |
| 'CC': |
| cipd_dir.join('bin', 'clang'), |
| 'CXX': |
| cipd_dir.join('bin', 'clang++'), |
| 'AR': |
| cipd_dir.join('bin', 'llvm-ar'), |
| 'CFLAGS': |
| '%s %s -nostdinc++ -cxx-isystem %s' % |
| (triple, sysroot, cxx_include), |
| # TODO(phosek): Use the system libc++ temporarily until we |
| # have universal libc++.a for macOS that supports both x86_64 |
| # and arm64. |
| 'LDFLAGS': |
| '%s %s' % (triple, sysroot), |
| } |
| else: |
| env = {} |
| |
| return env |
| |
| |
| def RunSteps(api, repository): |
| src_dir = api.path['start_dir'].join('gn') |
| |
| # TODO: Verify that building and linking jemalloc works on OS X and Windows as |
| # well. |
| with api.step.nest('git'), api.context(infra_steps=True): |
| api.step('init', ['git', 'init', src_dir]) |
| |
| with api.context(cwd=src_dir): |
| build_input = api.buildbucket.build_input |
| ref = ( |
| build_input.gitiles_commit.id |
| if build_input.gitiles_commit else 'refs/heads/master') |
| # Fetch tags so `git describe` works. |
| api.step('fetch', ['git', 'fetch', '--tags', repository, ref]) |
| api.step('checkout', ['git', 'checkout', 'FETCH_HEAD']) |
| revision = api.step( |
| 'rev-parse', ['git', 'rev-parse', 'HEAD'], |
| stdout=api.raw_io.output_text()).stdout.strip() |
| for change in build_input.gerrit_changes: |
| api.step('fetch %s/%s' % (change.change, change.patchset), [ |
| 'git', 'fetch', repository, |
| 'refs/changes/%s/%s/%s' % |
| (str(change.change)[-2:], change.change, change.patchset) |
| ]) |
| api.step('checkout %s/%s' % (change.change, change.patchset), |
| ['git', 'checkout', 'FETCH_HEAD']) |
| |
| with api.context(infra_steps=True): |
| cipd_dir = api.path['start_dir'].join('cipd') |
| pkgs = api.cipd.EnsureFile() |
| pkgs.add_package('infra/ninja/${platform}', 'version:1.8.2') |
| if api.platform.is_linux or api.platform.is_mac: |
| pkgs.add_package('fuchsia/third_party/clang/${platform}', 'integration') |
| if api.platform.is_linux: |
| pkgs.add_package('fuchsia/third_party/sysroot/linux', |
| 'git_revision:c912d089c3d46d8982fdef76a50514cca79b6132', |
| 'sysroot') |
| # RISCV64 support starts in focal. |
| pkgs.add_package('fuchsia/third_party/sysroot/focal', |
| 'git_revision:fa7a5a9710540f30ff98ae48b62f2cdf72ed2acd', |
| 'sysroot-focal') |
| api.cipd.ensure(cipd_dir, pkgs) |
| |
| def release_targets(): |
| if api.platform.is_linux: |
| return [ |
| api.target('linux-amd64'), |
| api.target('linux-arm64'), |
| api.target('linux-riscv64') |
| ] |
| elif api.platform.is_mac: |
| return [api.target('mac-amd64'), api.target('mac-arm64')] |
| else: |
| return [api.target.host] |
| |
| # The order is important since release build will get uploaded to CIPD. |
| configs = [ |
| { |
| 'name': 'debug', |
| 'args': ['-d'], |
| 'targets': [api.target.host], |
| }, |
| { |
| 'name': 'release', |
| 'args': ['--use-lto', '--use-icf'], |
| 'targets': release_targets(), |
| # TODO: Enable this for OS X and Windows. |
| 'use_jemalloc': api.platform.is_linux, |
| }, |
| ] |
| |
| use_jemalloc = any(c.get('use_jemalloc', False) for c in configs) |
| |
| with api.macos_sdk(), api.windows_sdk(): |
| # Build the jemalloc static library if needed. |
| if use_jemalloc: |
| # Maps a target.platform string to the location of the corresponding |
| # jemalloc static library. |
| jemalloc_static_libs = {} |
| |
| # Get the list of all target platforms that are listed in `configs` |
| # above. Note that this is a list of Target instances, some of them |
| # may refer to the same platform string (e.g. linux-amd64). |
| # |
| # For each platform, a version of jemalloc will be built if necessary, |
| # but doing this properly requires having a valid target instance to |
| # call _get_compilation_environment. So create a { platform -> Target } |
| # map to do that later. |
| all_config_platforms = {} |
| for c in configs: |
| if not c.get('use_jemalloc', False): |
| continue |
| for t in c['targets']: |
| if t.platform not in all_config_platforms: |
| all_config_platforms[t.platform] = t |
| |
| jemalloc_src_dir = api.path['start_dir'].join('jemalloc') |
| with api.step.nest('jemalloc'): |
| api.step('init', ['git', 'init', jemalloc_src_dir]) |
| with api.context(cwd=jemalloc_src_dir, infra_steps=True): |
| api.step( |
| 'fetch', |
| ['git', 'fetch', JEMALLOC_GIT_URL, 'refs/tags/' + JEMALLOC_TAG, '--depth=1']) |
| api.step('checkout', ['git', 'checkout', 'FETCH_HEAD']) |
| api.step('autoconf', ['autoconf']) |
| |
| for platform in all_config_platforms: |
| # Convert target architecture and os to jemalloc format. |
| jemalloc_build_dir = jemalloc_src_dir.join('build-' + platform) |
| |
| target = all_config_platforms[platform] |
| host_target = api.target.host |
| env = _get_compilation_environment(api, target, cipd_dir) |
| |
| # Prepare environment for configuring and building jemalloc |
| # |
| # CFLAGS: -Wno-error is required to avoid warnings that break |
| # compilation with Clang 17. |
| # |
| # CXXFLAGS: Required to pass the right --target=<target> argument |
| # to the C++ compiler when building jemalloc_cpp.o, |
| # otherwise that file will not be properly cross-compiled. |
| # |
| # Note that -flto is never passed to CFLAGS/CXXFLAGS/LDFLAGS, since |
| # benchmarking shows that this leads to no performance difference |
| # for the resulting GN binary. |
| # |
| env['CFLAGS'] += " -Wno-error" |
| env['CXXFLAGS'] = env['CFLAGS'] |
| |
| api.step('prepare %s build' % platform, ['mkdir', '-p', jemalloc_build_dir]) |
| |
| with api.step.nest('build jemalloc-' + platform), api.context( |
| env=env, cwd=jemalloc_build_dir): |
| configure_args = [ |
| '../configure', |
| '--build=' + host_target.triple, |
| '--host=' + target.triple, |
| '--disable-shared', |
| '--enable-static', |
| '--disable-syscall', |
| '--disable-stats', |
| ] |
| if platform == 'linux-arm64': |
| configure_args.append('--with-lg-page=16') |
| api.step('configure', configure_args) |
| api.step('build', ['make', '-j%d' % api.platform.cpu_count, 'build_lib_static']) |
| jemalloc_static_lib = jemalloc_build_dir.join('lib', 'libjemalloc.a') |
| |
| jemalloc_static_libs[platform] = jemalloc_static_lib |
| |
| for config in configs: |
| with api.step.nest(config['name']): |
| for target in config['targets']: |
| env = _get_compilation_environment(api, target, cipd_dir) |
| with api.step.nest(target.platform), api.context( |
| env=env, cwd=src_dir): |
| args = config['args'] |
| if config.get('use_jemalloc', False): |
| args = args[:] + [ |
| '--link-lib=%s' % jemalloc_static_libs[target.platform] |
| ] |
| |
| api.step('generate', |
| ['python3', '-u', src_dir.join('build', 'gen.py')] + args) |
| |
| # Windows requires the environment modifications when building too. |
| api.step('build', |
| [cipd_dir.join('ninja'), '-C', |
| src_dir.join('out')]) |
| |
| if target.is_host: |
| api.step('test', [src_dir.join('out', 'gn_unittests')]) |
| |
| if config['name'] != 'release': |
| continue |
| |
| with api.step.nest('upload'): |
| gn = 'gn' + ('.exe' if target.is_win else '') |
| |
| if build_input.gerrit_changes: |
| # Upload to CAS from CQ. |
| api.cas.archive('upload binary to CAS', src_dir.join('out'), |
| src_dir.join('out', gn)) |
| continue |
| |
| cipd_pkg_name = 'gn/gn/%s' % target.platform |
| |
| pkg_def = api.cipd.PackageDefinition( |
| package_name=cipd_pkg_name, |
| package_root=src_dir.join('out'), |
| install_mode='copy') |
| pkg_def.add_file(src_dir.join('out', gn)) |
| pkg_def.add_version_file('.versions/%s.cipd_version' % gn) |
| |
| cipd_pkg_file = api.path['cleanup'].join('gn.cipd') |
| |
| api.cipd.build_from_pkg( |
| pkg_def=pkg_def, |
| output_package=cipd_pkg_file, |
| ) |
| |
| if api.buildbucket.builder_id.project == 'infra-internal': |
| cipd_pin = api.cipd.search(cipd_pkg_name, |
| 'git_revision:' + revision) |
| if cipd_pin: |
| api.step('Package is up-to-date', cmd=None) |
| continue |
| |
| api.cipd.register( |
| package_name=cipd_pkg_name, |
| package_path=cipd_pkg_file, |
| refs=['latest'], |
| tags={ |
| 'git_repository': repository, |
| 'git_revision': revision, |
| }, |
| ) |
| |
| |
| def GenTests(api): |
| for platform in ('linux', 'mac', 'win'): |
| yield (api.test('ci_' + platform) + api.platform.name(platform) + |
| api.buildbucket.ci_build( |
| project='gn', |
| git_repo='gn.googlesource.com/gn', |
| )) |
| |
| yield (api.test('cq_' + platform) + api.platform.name(platform) + |
| api.buildbucket.try_build( |
| project='gn', |
| git_repo='gn.googlesource.com/gn', |
| )) |
| |
| yield (api.test('cipd_exists') + api.buildbucket.ci_build( |
| project='infra-internal', |
| git_repo='gn.googlesource.com/gn', |
| revision='a' * 40, |
| ) + api.step_data( |
| 'git.rev-parse', api.raw_io.stream_output_text('a' * 40) |
| ) + api.step_data( |
| 'release.linux-amd64.upload.cipd search gn/gn/linux-amd64 git_revision:' + |
| 'a' * 40, |
| api.cipd.example_search('gn/gn/linux-amd64', |
| ['git_revision:' + 'a' * 40]))) |
| |
| yield (api.test('cipd_register') + api.buildbucket.ci_build( |
| project='infra-internal', |
| git_repo='gn.googlesource.com/gn', |
| revision='a' * 40, |
| ) + api.step_data( |
| 'git.rev-parse', api.raw_io.stream_output_text('a' * 40) |
| ) + api.step_data( |
| 'release.linux-amd64.upload.cipd search gn/gn/linux-amd64 git_revision:' + |
| 'a' * 40, api.cipd.example_search('gn/gn/linux-amd64', []))) |
