| # Copyright 2018 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| DOCKER_IMAGE = 'gcr.io/skia-public/emsdk-release:1.38.16_v1' |
| INNER_BUILD_SCRIPT = '/SRC/skia/infra/pathkit/build_pathkit.sh' |
| |
| BUILD_PRODUCTS_ISOLATE_WHITELIST_WASM = [ |
| 'pathkit.*' |
| ] |
| |
| |
| def compile_fn(api, checkout_root, _ignore): |
| out_dir = api.vars.cache_dir.join('docker', 'pathkit') |
| configuration = api.vars.builder_cfg.get('configuration', '') |
| target_arch = api.vars.builder_cfg.get('target_arch', '') |
| |
| # We want to make sure the directories exist and were created by chrome-bot, |
| # because if that isn't the case, docker will make them and they will be |
| # owned by root, which causes mysterious failures. To mitigate this risk |
| # further, we don't use the same out_dir as everyone else (thus the _ignore) |
| # param. Instead, we use a "pathkit" subdirectory in the "docker" named_cache. |
| api.file.ensure_directory('mkdirs out_dir', out_dir, mode=0777) |
| |
| # This uses the emscriptem sdk docker image and says "run the |
| # build_pathkit.sh helper script in there". Additionally, it binds two |
| # folders: the Skia checkout to /SRC and the output directory to /OUT |
| # The called helper script will make the compile happen and put the |
| # output in the right spot. The neat thing is that since the Skia checkout |
| # (and, by extension, the build script) is not a part of the image, but |
| # bound in at runtime, we don't have to re-build the image, except when the |
| # toolchain changes. |
| # Of note, the wasm build doesn't re-use any intermediate steps from the |
| # previous builds, so it's essentially a build from scratch every time. |
| cmd = ['docker', 'run', '--rm', '-v', '%s:/SRC' % checkout_root, |
| '-v', '%s:/OUT' % out_dir, |
| DOCKER_IMAGE, INNER_BUILD_SCRIPT] |
| if configuration == 'Debug': |
| cmd.append('debug') # It defaults to Release |
| if target_arch == 'asmjs': |
| cmd.append('asm.js') # It defaults to WASM |
| api.run( |
| api.step, |
| 'Build PathKit with Docker', |
| cmd=cmd) |
| |
| |
| def copy_extra_build_products(api, _ignore, dst): |
| out_dir = api.vars.cache_dir.join('docker', 'pathkit') |
| # We don't use the normal copy_build_products because it uses |
| # shutil.move, which attempts to delete the previous file, which |
| # doesn't work because the docker created outputs are read-only and |
| # owned by root (aka only docker images). It's likely safe to change |
| # the shutil.move in the original script to a non-deleting thing |
| # (like copy or copyfile), but there's some subtle behavior differences |
| # especially with directories, that kjlubick felt it best not to risk it. |
| api.python.inline( |
| name='copy wasm output', |
| program='''import errno |
| import glob |
| import os |
| import shutil |
| import sys |
| |
| src = sys.argv[1] |
| dst = sys.argv[2] |
| build_products_whitelist = %s |
| |
| try: |
| os.makedirs(dst) |
| except OSError as e: |
| if e.errno != errno.EEXIST: |
| raise |
| |
| for pattern in build_products_whitelist: |
| path = os.path.join(src, pattern) |
| for f in glob.glob(path): |
| dst_path = os.path.join(dst, os.path.relpath(f, src)) |
| if not os.path.isdir(os.path.dirname(dst_path)): |
| os.makedirs(os.path.dirname(dst_path)) |
| print 'Copying build product %%s to %%s' %% (f, dst_path) |
| # Because Docker usually has some strange permissions (like root |
| # ownership), we'd rather not keep those around. copyfile doesn't |
| # keep the metadata around, so that helps us. |
| shutil.copyfile(f, dst_path) |
| ''' % str(BUILD_PRODUCTS_ISOLATE_WHITELIST_WASM), |
| args=[out_dir, dst], |
| infra_step=True) |
| |