diff options
Diffstat (limited to 'third_party/clang_toolchain/download_clang.bzl')
| -rw-r--r-- | third_party/clang_toolchain/download_clang.bzl | 104 |
1 files changed, 49 insertions, 55 deletions
diff --git a/third_party/clang_toolchain/download_clang.bzl b/third_party/clang_toolchain/download_clang.bzl index 6a4c029243..a014a806a6 100644 --- a/third_party/clang_toolchain/download_clang.bzl +++ b/third_party/clang_toolchain/download_clang.bzl @@ -1,60 +1,54 @@ """ Helpers to download a recent clang release.""" def _get_platform_folder(os_name): - os_name = os_name.lower() - if os_name.startswith("windows"): - return "Win" - if os_name.startswith("mac os"): - return "Mac" - if not os_name.startswith("linux"): - fail("Unknown platform") - return "Linux_x64" - -def _download_chromium_clang( - repo_ctx, - platform_folder, - package_version, - sha256, - out_folder): - cds_url = "https://commondatastorage.googleapis.com/chromium-browser-clang" - cds_file = "clang-%s.tgz" % package_version - cds_full_url = "{0}/{1}/{2}".format(cds_url, platform_folder, cds_file) - repo_ctx.download_and_extract(cds_full_url, output = out_folder, sha256 = sha256) + os_name = os_name.lower() + if os_name.startswith('windows'): + return 'Win' + if os_name.startswith('mac os'): + return 'Mac' + if not os_name.startswith('linux'): + fail('Unknown platform') + return 'Linux_x64' + +def _download_chromium_clang(repo_ctx, platform_folder, package_version, sha256, + out_folder): + cds_url = 'https://commondatastorage.googleapis.com/chromium-browser-clang' + cds_file = 'clang-%s.tgz' % package_version + cds_full_url = '{0}/{1}/{2}'.format(cds_url, platform_folder, cds_file) + repo_ctx.download_and_extract(cds_full_url, output=out_folder, sha256=sha256) def download_clang(repo_ctx, out_folder): - """ Download a fresh clang release and put it into out_folder. - - Clang itself will be located in 'out_folder/bin/clang'. - We currently download one of the latest releases of clang by the - Chromium project (see - https://chromium.googlesource.com/chromium/src/+/master/docs/clang.md). - - Args: - repo_ctx: An instance of repository_context object. - out_folder: A folder to extract the compiler into. - """ - # TODO(ibiryukov): we currently download and extract some extra tools in the - # clang release (e.g., sanitizers). We should probably remove the ones - # we don't need and document the ones we want provide in addition to clang. - - # Latest CLANG_REVISION and CLANG_SUB_REVISION of the Chromiums's release - # can be found in https://chromium.googlesource.com/chromium/src/tools/clang/+/master/scripts/update.py - CLANG_REVISION = "335091" - CLANG_SUB_REVISION = 1 - - package_version = "%s-%s" % (CLANG_REVISION, CLANG_SUB_REVISION) - - checksums = { - "Linux_x64": "17002b75293fccfdd175eacdc9ee47d97b58d7e98fef343384fbbef1b68ce99f", - "Mac": "9351e46d28315daaa06a1eb55bd0370ed4aaeb693a2a3e82e48d2737d7723468", - "Win": "e78a1e469224d6f6751b4df4374bf58893ac03900ec924e4c8264888ba4aeb1e", - } - - platform_folder = _get_platform_folder(repo_ctx.os.name) - _download_chromium_clang( - repo_ctx, - platform_folder, - package_version, - checksums[platform_folder], - out_folder, - ) + """ Download a fresh clang release and put it into out_folder. + + Clang itself will be located in 'out_folder/bin/clang'. + We currently download one of the latest releases of clang by the + Chromium project (see + https://chromium.googlesource.com/chromium/src/+/master/docs/clang.md). + + Args: + repo_ctx: An instance of repository_context object. + out_folder: A folder to extract the compiler into. + """ + # TODO(ibiryukov): we currently download and extract some extra tools in the + # clang release (e.g., sanitizers). We should probably remove the ones + # we don't need and document the ones we want provide in addition to clang. + + # Latest CLANG_REVISION and CLANG_SUB_REVISION of the Chromiums's release + # can be found in https://chromium.googlesource.com/chromium/src/tools/clang/+/master/scripts/update.py + CLANG_REVISION = '335091' + CLANG_SUB_REVISION = 1 + + package_version = '%s-%s' % (CLANG_REVISION, CLANG_SUB_REVISION) + + checksums = { + 'Linux_x64': + '17002b75293fccfdd175eacdc9ee47d97b58d7e98fef343384fbbef1b68ce99f', + 'Mac': + '9351e46d28315daaa06a1eb55bd0370ed4aaeb693a2a3e82e48d2737d7723468', + 'Win': + 'e78a1e469224d6f6751b4df4374bf58893ac03900ec924e4c8264888ba4aeb1e', + } + + platform_folder = _get_platform_folder(repo_ctx.os.name) + _download_chromium_clang(repo_ctx, platform_folder, package_version, + checksums[platform_folder], out_folder) |