| # Copyright 2017 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 Clang toolchain.""" |
| |
| from recipe_engine.config import Enum, ReturnSchema, Single |
| from recipe_engine.recipe_api import Property |
| |
| import re |
| |
| |
| DEPS = [ |
| 'infra/cipd', |
| 'infra/git', |
| 'infra/gitiles', |
| 'infra/goma', |
| 'infra/gsutil', |
| 'infra/hash', |
| 'infra/jiri', |
| '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', |
| ] |
| |
| TARGETS = [ |
| ('aarch64', 'arm64'), |
| ('x86_64', 'x64'), |
| ] |
| |
| LLVM_PROJECT_GIT = 'https://fuchsia.googlesource.com/third_party/llvm-project' |
| LIBXML2_GIT = 'https://fuchsia.googlesource.com/third_party/libxml2' |
| ZLIB_GIT = 'https://fuchsia.googlesource.com/third_party/zlib' |
| |
| PROPERTIES = { |
| 'url': Property(kind=str, help='Git repository URL', default=LLVM_PROJECT_GIT), |
| 'ref': Property(kind=str, help='Git reference', default='refs/heads/master'), |
| 'revision': Property(kind=str, help='Revision', default=None), |
| } |
| |
| |
| def RunSteps(api, url, ref, revision): |
| api.gitiles.ensure_gitiles() |
| api.goma.ensure_goma() |
| api.gsutil.ensure_gsutil() |
| api.jiri.ensure_jiri() |
| |
| if not revision: |
| revision = api.gitiles.refs(url).get(ref, None) |
| cipd_pkg_name = 'fuchsia/clang/' + api.cipd.platform_suffix() |
| step = api.cipd.search(cipd_pkg_name, 'git_revision:' + revision) |
| if step.json.output['result']: |
| api.step('Package is up-to-date', cmd=None) |
| return |
| |
| with api.step.nest('ensure_packages'): |
| with api.context(infra_steps=True): |
| cipd_dir = api.path['start_dir'].join('cipd') |
| packages = { |
| 'infra/cmake/${platform}': 'version:3.9.2', |
| 'infra/ninja/${platform}': 'version:1.8.2', |
| 'fuchsia/clang/${platform}': 'goma', |
| } |
| if api.platform.name == 'linux': |
| packages.update({ |
| 'fuchsia/sysroot/${platform}': 'latest' |
| }) |
| api.cipd.ensure(cipd_dir, packages) |
| |
| with api.step.nest('ensure_sdk'): |
| with api.context(infra_steps=True): |
| sdk_dir = api.path['start_dir'].join('sdk') |
| packages = { |
| 'fuchsia/sdk/${platform}': 'latest', |
| } |
| api.cipd.ensure(sdk_dir, packages) |
| |
| staging_dir = api.path.mkdtemp('clang') |
| pkg_name = 'clang-%s' % api.platform.name.replace('mac', 'darwin') |
| pkg_dir = staging_dir.join(pkg_name) |
| api.file.ensure_directory('create pkg dir', pkg_dir) |
| |
| with api.context(infra_steps=True): |
| llvm_dir = api.path['start_dir'].join('llvm-project') |
| api.git.checkout(url, llvm_dir, ref=revision, submodules=True) |
| |
| zlib_dir = api.path['start_dir'].join('zlib') |
| api.git.checkout(ZLIB_GIT, zlib_dir, ref='refs/tags/v1.2.9') |
| |
| libxml2_dir = api.path['start_dir'].join('libxml2') |
| api.git.checkout(LIBXML2_GIT, libxml2_dir, ref='refs/tags/v2.9.8') |
| |
| lib_install_dir = staging_dir.join('lib_install') |
| api.file.ensure_directory('create lib_install_dir', lib_install_dir) |
| |
| if api.platform.name == 'linux': |
| host_sysroot = cipd_dir |
| elif api.platform.name == 'mac': |
| # TODO(IN-148): Eventually use our own hermetic sysroot as for Linux. |
| 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')) |
| host_sysroot = step_result.stdout.strip() |
| else: # pragma: no cover |
| assert false, "unsupported platform" |
| |
| with api.goma.build_with_goma(): |
| vars = { |
| 'CC': '%s %s' % (api.goma.goma_dir.join('gomacc'), cipd_dir.join('bin', 'clang')), |
| 'CFLAGS': '-O3 -fPIC --sysroot=%s' % host_sysroot, |
| 'AR': cipd_dir.join('bin', 'llvm-ar'), |
| 'NM': cipd_dir.join('bin', 'llvm-nm'), |
| 'RANLIB': cipd_dir.join('bin', 'llvm-ranlib'), |
| } |
| |
| # build zlib |
| build_dir = staging_dir.join('zlib_build_dir') |
| api.file.ensure_directory('create zlib build dir', build_dir) |
| |
| with api.step.nest('zlib'), api.context(cwd=build_dir, env=vars): |
| api.step('configure', [ |
| zlib_dir.join('configure'), |
| '--prefix=', |
| '--static', |
| ]) |
| api.step('build', ['make', '-j%d' % api.goma.recommended_goma_jobs]) |
| api.step('install', ['make', 'install', 'DESTDIR=%s' % lib_install_dir]) |
| |
| # build libxml2 |
| build_dir = staging_dir.join('libxml2_build_dir') |
| api.file.ensure_directory('create libxml2 build dir', build_dir) |
| |
| with api.step.nest('libxml2'), api.context(cwd=build_dir): |
| with api.context(cwd=libxml2_dir): |
| api.step('autoconf', ['autoreconf', '-i', '-f']) |
| api.step('configure', [ |
| libxml2_dir.join('configure'), |
| '--prefix=', |
| '--enable-static', |
| '--disable-shared', |
| '--with-zlib=%s' % lib_install_dir, |
| '--without-icu', |
| '--without-lzma', |
| '--without-python', |
| ] + ['%s=%s' % (k, v) for k, v in vars.iteritems()]) |
| api.step('build', ['make', '-j%d' % api.goma.recommended_goma_jobs]) |
| api.step('install', ['make', 'install', 'DESTDIR=%s' % lib_install_dir]) |
| |
| # build clang+llvm |
| build_dir = staging_dir.join('llvm_build_dir') |
| api.file.ensure_directory('create llvm build dir', build_dir) |
| |
| extra_options = { |
| 'linux': [ |
| # BOOTSTRAP_ prefixed flags are passed to the second stage compiler. |
| '-DBOOTSTRAP_CMAKE_C_FLAGS=-I%s -I%s' % (lib_install_dir.join('include'), lib_install_dir.join('include', 'libxml2')), |
| '-DBOOTSTRAP_CMAKE_CXX_FLAGS=-I%s -I%s' % (lib_install_dir.join('include'), lib_install_dir.join('include', 'libxml2')), |
| '-DBOOTSTRAP_CMAKE_SHARED_LINKER_FLAGS=-static-libstdc++ -ldl -lpthread -L%s -L%s' % (cipd_dir.join('lib'), lib_install_dir.join('lib')), |
| '-DBOOTSTRAP_CMAKE_MODULE_LINKER_FLAGS=-static-libstdc++ -ldl -lpthread -L%s -L%s' % (cipd_dir.join('lib'), lib_install_dir.join('lib')), |
| '-DBOOTSTRAP_CMAKE_EXE_LINKER_FLAGS=-static-libstdc++ -ldl -lpthread -L%s -L%s' % (cipd_dir.join('lib'), lib_install_dir.join('lib')), |
| '-DBOOTSTRAP_CMAKE_SYSROOT=%s' % cipd_dir, |
| # Unprefixed flags are only used by the first stage compiler. |
| '-DCMAKE_EXE_LINKER_FLAGS=-static-libstdc++ -ldl -lpthread -L%s' % cipd_dir.join('lib'), |
| '-DCMAKE_EXE_SHARED_FLAGS=-static-libstdc++ -ldl -lpthread -L%s' % cipd_dir.join('lib'), |
| '-DCMAKE_SYSROOT=%s' % cipd_dir, |
| ], |
| 'mac': [], |
| }[api.platform.name] |
| |
| for tc_arch, gn_arch in TARGETS: |
| extra_options.extend([ |
| '-DSTAGE2_FUCHSIA_%s_SYSROOT=%s' % (tc_arch, sdk_dir.join('arch', gn_arch, 'sysroot')), |
| '-DSTAGE2_FUCHSIA_%s_C_FLAGS=-I%s' % (tc_arch, sdk_dir.join('pkg', 'fdio', 'include')), |
| '-DSTAGE2_FUCHSIA_%s_CXX_FLAGS=-I%s' % (tc_arch, sdk_dir.join('pkg', 'fdio', 'include')), |
| '-DSTAGE2_FUCHSIA_%s_LINKER_FLAGS=-L%s' % (tc_arch, sdk_dir.join('arch', gn_arch, 'lib')), |
| ]) |
| |
| with api.step.nest('clang'), api.context(cwd=build_dir): |
| api.step('configure', [ |
| cipd_dir.join('bin', 'cmake'), |
| '-GNinja', |
| '-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_CXX_COMPILER=%s' % cipd_dir.join('bin', 'clang++'), |
| '-DCMAKE_ASM_COMPILER=%s' % cipd_dir.join('bin', 'clang'), |
| '-DCMAKE_MAKE_PROGRAM=%s' % cipd_dir.join('ninja'), |
| '-DCMAKE_INSTALL_PREFIX=', |
| '-DLLVM_ENABLE_PROJECTS=clang;lld', |
| '-DLLVM_ENABLE_RUNTIMES=compiler-rt;libcxx;libcxxabi;libunwind', |
| ] + extra_options + [ |
| '-C', llvm_dir.join('clang', 'cmake', 'caches', 'Fuchsia.cmake'), |
| llvm_dir.join('llvm'), |
| ]) |
| api.step('build', [cipd_dir.join('ninja'), 'stage2-distribution']) |
| # TODO: we should be running stage2-check-all |
| api.step('check-llvm', [cipd_dir.join('ninja'), 'stage2-check-llvm']) |
| api.step('check-clang', [cipd_dir.join('ninja'), 'stage2-check-clang']) |
| with api.context(env={'DESTDIR': pkg_dir}): |
| api.step('install', |
| [cipd_dir.join('ninja'), 'stage2-install-distribution']) |
| |
| # use first rather than second stage clang just in case we're cross-compiling |
| step_result = api.step('clang version', |
| [build_dir.join('bin', 'clang'), '--version'], |
| stdout=api.raw_io.output()) |
| m = re.search(r'version ([0-9.-]+)', step_result.stdout) |
| assert m, 'Cannot determine Clang version' |
| clang_version = m.group(1) |
| |
| # TODO(TO-471): Ideally this would be done by the cmake build itself. |
| manifest_format = '' |
| for soname in [ |
| 'libclang_rt.asan-{arch}.so', |
| 'libclang_rt.ubsan_standalone-{arch}.so', |
| 'libclang_rt.scudo-{arch}.so', |
| ]: |
| manifest_format += ('lib/%s=clang/{clang_version}/lib/fuchsia/%s\n' % |
| (soname, soname)) |
| for prefix in ('', 'asan/'): |
| for soname in [ |
| 'libc++.so.2', |
| 'libc++abi.so.1', |
| 'libunwind.so.1', |
| ]: |
| manifest_format += ('lib/%s={arch}-fuchsia/lib/%s\n' % |
| (prefix + soname, prefix + soname)) |
| for tc_arch, gn_arch in TARGETS: |
| manifest_file = '%s-fuchsia.manifest' % tc_arch |
| api.file.write_text('write %s' % manifest_file, |
| pkg_dir.join('lib', manifest_file), |
| manifest_format.format(arch=tc_arch, |
| clang_version=clang_version)) |
| |
| 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/clang.cipd_version') |
| |
| cipd_pkg_file = api.path['cleanup'].join('clang.cipd') |
| |
| api.cipd.build_from_pkg( |
| pkg_def=pkg_def, |
| output_package=cipd_pkg_file, |
| ) |
| step_result = api.cipd.register( |
| package_name=cipd_pkg_name, |
| package_path=cipd_pkg_file, |
| refs=['latest'], |
| tags={ |
| 'version': clang_version, |
| 'git_repository': LLVM_PROJECT_GIT, |
| 'git_revision': revision, |
| }, |
| ) |
| |
| api.gsutil.upload( |
| 'fuchsia', |
| cipd_pkg_file, |
| api.gsutil.join('clang', api.cipd.platform_suffix(), step_result.json.output['result']['instance_id']), |
| unauthenticated_url=True |
| ) |
| |
| |
| def GenTests(api): |
| revision = '75b05681239cb309a23fcb4f8864f177e5aa62da' |
| version = 'clang version 5.0.0 (trunk 302207) (llvm/trunk 302209)' |
| for platform in ('linux', 'mac'): |
| yield (api.test(platform) + |
| api.platform.name(platform) + |
| api.gitiles.refs('refs', ('refs/heads/master', revision))) |
| yield (api.test(platform + '_new') + |
| api.platform.name(platform) + |
| api.gitiles.refs('refs', ('refs/heads/master', revision)) + |
| api.step_data('clang version', api.raw_io.stream_output(version)) + |
| api.step_data('cipd search fuchsia/clang/' + platform + '-amd64 ' + |
| 'git_revision:' + revision, |
| api.json.output({'result': []}))) |
