| # Copyright 2018 The Fuchsia Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| """Recipe for building LLVM.""" |
| |
| from recipe_engine.config import Enum, ReturnSchema, Single |
| from recipe_engine.recipe_api import Property |
| |
| import re |
| |
| DEPS = [ |
| 'infra/git', |
| 'infra/gitiles', |
| 'infra/goma', |
| 'infra/gsutil', |
| 'infra/hash', |
| 'recipe_engine/cipd', |
| 'recipe_engine/context', |
| 'recipe_engine/file', |
| 'recipe_engine/json', |
| 'recipe_engine/path', |
| 'recipe_engine/platform', |
| 'recipe_engine/properties', |
| 'recipe_engine/python', |
| 'recipe_engine/raw_io', |
| 'recipe_engine/step', |
| 'recipe_engine/tempfile', |
| ] |
| |
| ARCH_TO_TARGET = { |
| 'x86_64': 'x64', |
| 'aarch64': 'arm64', |
| } |
| |
| PLATFORM_TO_TRIPLE = { |
| 'linux-amd64': ['x86_64-linux-gnu'], |
| 'linux-arm64': ['aarch64-linux-gnu'], |
| 'mac-amd64': ['x86_64-apple-darwin'], |
| 'fuchsia': ['x86_64-fuchsia', 'aarch64-fuchsia'], |
| } |
| PLATFORMS = PLATFORM_TO_TRIPLE.keys() |
| |
| LLVM_PROJECT_GIT = 'https://fuchsia.googlesource.com/third_party/llvm-project' |
| |
| PROPERTIES = { |
| 'repository': |
| Property(kind=str, help='Git repository URL', default=LLVM_PROJECT_GIT), |
| 'branch': |
| Property(kind=str, help='Git branch', default='refs/heads/master'), |
| 'revision': |
| Property(kind=str, help='Revision', default=None), |
| 'platform': |
| Property(kind=str, help='CIPD platform for the target', default=None), |
| } |
| |
| |
| def RunSteps(api, repository, branch, revision, platform): |
| api.gitiles.ensure_gitiles() |
| api.goma.ensure_goma() |
| api.gsutil.ensure_gsutil() |
| |
| if not revision: |
| revision = api.gitiles.refs(repository).get(branch, None) |
| |
| # TODO: factor this out into a host_build recipe module. |
| host_platform = '%s-%s' % (api.platform.name.replace('win', 'windows'), { |
| 'intel': { |
| 32: '386', |
| 64: 'amd64', |
| }, |
| 'arm': { |
| 32: 'armv6', |
| 64: 'arm64', |
| }, |
| }[api.platform.arch][api.platform.bits]) |
| platform = platform or host_platform |
| |
| with api.step.nest('ensure_packages'): |
| with api.context(infra_steps=True): |
| cipd_dir = api.path['start_dir'].join('cipd') |
| # TODO: deduplicate this and the clang toolchain recipe |
| pkgs = api.cipd.EnsureFile() |
| pkgs.add_package('infra/cmake/${platform}', 'version:3.9.2') |
| pkgs.add_package('infra/ninja/${platform}', 'version:1.8.2') |
| pkgs.add_package('fuchsia/clang/${platform}', 'goma') |
| if platform.startswith('linux'): |
| pkgs.add_package('fuchsia/sysroot/%s' % platform, 'latest', 'sysroot') |
| if platform.startswith('fuchsia'): |
| pkgs.add_package('fuchsia/sdk/${platform}', 'latest', 'sdk') |
| api.cipd.ensure(cipd_dir, pkgs) |
| |
| staging_dir = api.path.mkdtemp('llvm') |
| pkg_dir = staging_dir.join('root') |
| api.file.ensure_directory('create pkg root dir', pkg_dir) |
| |
| with api.context(infra_steps=True): |
| llvm_dir = api.path['start_dir'].join('llvm-project') |
| api.git.checkout(repository, llvm_dir, ref=revision, submodules=True) |
| |
| # build llvm |
| with api.goma.build_with_goma(): |
| targets = PLATFORM_TO_TRIPLE[platform] |
| for triple in targets: |
| build_dir = staging_dir.join( |
| 'llvm_%s_build_dir' % triple.replace('-', '_')) |
| api.file.ensure_directory('create %s llvm build dir' % triple, build_dir) |
| |
| if len(targets) > 1: |
| install_dir = staging_dir.join( |
| 'llvm_%s_install_dir' % triple.replace('-', '_')) |
| api.file.ensure_directory('create %s llvm install dir' % triple, |
| install_dir) |
| else: |
| install_dir = pkg_dir |
| |
| target = ARCH_TO_TARGET[triple.split('-')[0]] |
| if platform == 'fuchsia': |
| sysroot = cipd_dir.join('sdk', 'arch', target, 'sysroot') |
| elif platform.startswith('linux'): |
| sysroot = cipd_dir.join('sysroot') |
| elif platform.startswith('mac'): |
| # TODO(IN-148): Eventually use our own hermetic sysroot. |
| step_result = api.step( |
| 'xcrun', ['xcrun', '--show-sdk-path'], |
| stdout=api.raw_io.output(name='sdk-path', add_output_log=True), |
| step_test_data= |
| lambda: api.raw_io.test_api.stream_output('/some/xcode/path')) |
| sysroot = step_result.stdout.strip() |
| |
| if not platform.startswith('mac'): |
| extra_options = [ |
| '-DCMAKE_AR=%s' % cipd_dir.join('bin', 'llvm-ar'), |
| '-DCMAKE_LINKER=%s' % cipd_dir.join('bin', 'ld.lld'), |
| '-DCMAKE_NM=%s' % cipd_dir.join('bin', 'llvm-nm'), |
| '-DCMAKE_OBJCOPY=%s' % cipd_dir.join('bin', 'llvm-objcopy'), |
| '-DCMAKE_OBJDUMP=%s' % cipd_dir.join('bin', 'llvm-objdump'), |
| '-DCMAKE_RANLIB=%s' % cipd_dir.join('bin', 'llvm-ranlib'), |
| '-DCMAKE_STRIP=%s' % cipd_dir.join('bin', 'llvm-strip'), |
| '-DLLVM_ENABLE_LLD=ON', |
| ] |
| else: |
| extra_options = [] |
| |
| if platform != host_platform: |
| system = platform.split('-')[0].replace('mac', 'darwin').capitalize() |
| extra_options.append('-DCMAKE_SYSTEM_NAME=%s' % system) |
| |
| with api.context(cwd=build_dir): |
| api.step('configure %s llvm' % triple, [ |
| cipd_dir.join('bin', 'cmake'), |
| '-GNinja', |
| '-DCMAKE_MAKE_PROGRAM=%s' % cipd_dir.join('ninja'), |
| '-DCMAKE_BUILD_TYPE=RelWithDebInfo', |
| '-DCMAKE_INSTALL_PREFIX=', |
| '-DCMAKE_C_COMPILER_LAUNCHER=%s' % api.goma.goma_dir.join('gomacc'), |
| '-DCMAKE_CXX_COMPILER_LAUNCHER=%s' % |
| api.goma.goma_dir.join('gomacc'), |
| '-DCMAKE_ASM_COMPILER_LAUNCHER=%s' % |
| api.goma.goma_dir.join('gomacc'), |
| '-DCMAKE_C_COMPILER=%s' % cipd_dir.join('bin', 'clang'), |
| '-DCMAKE_C_COMPILER_TARGET=%s' % triple, |
| '-DCMAKE_CXX_COMPILER=%s' % cipd_dir.join('bin', 'clang++'), |
| '-DCMAKE_CXX_COMPILER_TARGET=%s' % triple, |
| '-DCMAKE_ASM_COMPILER=%s' % cipd_dir.join('bin', 'clang'), |
| '-DCMAKE_ASM_COMPILER_TARGET=%s' % triple, |
| '-DCMAKE_SYSROOT=%s' % sysroot, |
| '-DLLVM_HOST_TRIPLE=%s' % triple, |
| '-DLLVM_TARGETS_TO_BUILD=X86;AArch64', |
| '-DLLVM_DISTRIBUTION_COMPONENTS=llvm-headers;llvm-libraries;LLVM', |
| '-DLLVM_BUILD_LLVM_DYLIB=ON', |
| '-DLLVM_EXTERNALIZE_DEBUGINFO=ON', |
| '-DLLVM_ENABLE_LIBXML2=OFF', |
| '-DLLVM_ENABLE_TERMINFO=OFF', |
| '-DLLVM_ENABLE_ZLIB=OFF', |
| ] + extra_options + [llvm_dir.join('llvm')]) |
| api.step( |
| 'build %s llvm' % triple, |
| [cipd_dir.join('ninja'), 'distribution', |
| '-j%s' % api.goma.jobs]) |
| |
| with api.context(env={'DESTDIR': install_dir}): |
| api.step('install %s llvm' % triple, |
| [cipd_dir.join('ninja'), 'install-distribution']) |
| |
| if platform == 'fuchsia': |
| api.file.copytree('copy %s libs' % triple, |
| install_dir.join('lib'), |
| pkg_dir.join('arch', target, 'lib')) |
| |
| if platform == 'fuchsia': |
| api.python( |
| 'merge headers', |
| api.resource('merge_headers.py'), |
| args=[ |
| '--out', |
| pkg_dir.join('pkg', 'llvm', 'include'), |
| '--def1', |
| '__aarch64__', |
| '--def2', |
| '__x86_64__', |
| staging_dir.join('llvm_x86_64_fuchsia_install_dir', 'include'), |
| staging_dir.join('llvm_aarch64_fuchsia_install_dir', 'include'), |
| ]) |
| |
| if platform == 'fuchsia': |
| include_dir = pkg_dir.join('pkg', 'llvm', 'include') |
| else: |
| include_dir = pkg_dir.join('include') |
| step_result = api.file.read_text( |
| 'llvm-config.h', |
| include_dir.join('llvm', 'Config', 'llvm-config.h'), |
| test_data='#define LLVM_VERSION_STRING "7.0.0svn"') |
| m = re.search(r'LLVM_VERSION_STRING "([a-zA-Z0-9.-]+)"', step_result) |
| assert m, 'Cannot determine LLVM version' |
| llvm_version = m.group(1) |
| |
| cipd_pkg_name = 'fuchsia/lib/llvm/%s' % platform |
| pkg_def = api.cipd.PackageDefinition( |
| package_name=cipd_pkg_name, package_root=pkg_dir, install_mode='copy') |
| pkg_def.add_dir(pkg_dir) |
| pkg_def.add_version_file('.versions/llvm.cipd_version') |
| |
| cipd_pkg_file = api.path['cleanup'].join('llvm.cipd') |
| |
| api.cipd.build_from_pkg( |
| pkg_def=pkg_def, |
| output_package=cipd_pkg_file, |
| ) |
| |
| cipd_pins = api.cipd.search(cipd_pkg_name, 'git_revision:' + revision) |
| if cipd_pins: |
| api.step('Package is up-to-date', cmd=None) |
| return |
| |
| cipd_pin = api.cipd.register( |
| package_name=cipd_pkg_name, |
| package_path=cipd_pkg_file, |
| refs=['latest'], |
| tags={ |
| 'version': llvm_version, |
| 'git_repository': repository, |
| 'git_revision': revision, |
| }, |
| ) |
| |
| api.gsutil.upload( |
| 'fuchsia', |
| cipd_pkg_file, |
| api.gsutil.join('lib', 'llvm', platform, cipd_pin.instance_id), |
| unauthenticated_url=True) |
| |
| |
| def GenTests(api): |
| revision = '75b05681239cb309a23fcb4f8864f177e5aa62da' |
| for platform in PLATFORMS: |
| yield (api.test(platform.replace('-', '_') + '_existing_pkg') + |
| api.properties(platform=platform) + |
| api.gitiles.refs('refs', ('refs/heads/master', revision))) |
| yield (api.test(platform.replace('-', '_') + '_new_revision') + |
| api.properties(platform=platform) + api.gitiles.refs( |
| 'refs', ('refs/heads/master', revision)) + api.step_data( |
| 'cipd search fuchsia/lib/llvm/%s ' % platform + |
| 'git_revision:' + revision, api.json.output({ |
| 'result': [] |
| }))) |
