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# Copyright 2016 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.
import default_flavor
"""GN flavor utils, used for building Skia with GN."""
class GNFlavorUtils(default_flavor.DefaultFlavorUtils):
def _strip_environment(self):
self.m.vars.default_env = {k: v for (k,v)
in self.m.vars.default_env.iteritems()
if k in ['PATH']}
def _run(self, title, cmd, env=None, infra_step=False):
self._strip_environment()
self.m.run(self.m.step, title, cmd=cmd,
env=env, cwd=self.m.vars.skia_dir, infra_step=infra_step)
def _py(self, title, script, env=None, infra_step=True):
self._strip_environment()
self.m.run(self.m.python, title, script=script,
env=env, cwd=self.m.vars.skia_dir, infra_step=infra_step)
def build_command_buffer(self):
self.m.run(self.m.python, 'build command_buffer',
script=self.m.vars.skia_dir.join('tools', 'build_command_buffer.py'),
args=[
'--chrome-dir', self.m.vars.checkout_root,
'--output-dir', self.m.vars.skia_out.join(self.m.vars.configuration),
'--no-sync', '--make-output-dir'])
def compile(self, unused_target, **kwargs):
"""Build Skia with GN."""
compiler = self.m.vars.builder_cfg.get('compiler', '')
configuration = self.m.vars.builder_cfg.get('configuration', '')
extra_config = self.m.vars.builder_cfg.get('extra_config', '')
os = self.m.vars.builder_cfg.get('os', '')
target_arch = self.m.vars.builder_cfg.get('target_arch', '')
clang_linux = str(self.m.vars.slave_dir.join('clang_linux'))
linux_vulkan_sdk = str(self.m.vars.slave_dir.join('linux_vulkan_sdk'))
win_toolchain = str(self.m.vars.slave_dir.join(
't', 'depot_tools', 'win_toolchain', 'vs_files',
'd3cb0e37bdd120ad0ac4650b674b09e81be45616'))
win_vulkan_sdk = str(self.m.vars.slave_dir.join('win_vulkan_sdk'))
cc, cxx = None, None
extra_cflags = []
extra_ldflags = []
if compiler == 'Clang' and os == 'Ubuntu':
cc = clang_linux + '/bin/clang'
cxx = clang_linux + '/bin/clang++'
extra_ldflags.append('-fuse-ld=lld')
elif compiler == 'Clang':
cc, cxx = 'clang', 'clang++'
elif compiler == 'GCC':
cc, cxx = 'gcc', 'g++'
if compiler != 'MSVC' and configuration == 'Debug':
extra_cflags.append('-O1')
if extra_config == 'Exceptions':
extra_cflags.append('/EHsc')
if extra_config == 'Fast':
extra_cflags.extend(['-march=native', '-fomit-frame-pointer', '-O3',
'-ffp-contract=off'])
if extra_config.startswith('SK'):
extra_cflags.append('-D' + extra_config)
if extra_config == 'MSAN':
extra_ldflags.append('-L' + clang_linux + '/msan')
args = {}
if configuration != 'Debug':
args['is_debug'] = 'false'
if extra_config == 'ANGLE':
args['skia_use_angle'] = 'true'
if extra_config == 'CommandBuffer':
self.m.run.run_once(self.build_command_buffer)
if extra_config == 'GDI':
args['skia_use_gdi'] = 'true'
if extra_config == 'MSAN':
args['skia_use_fontconfig'] = 'false'
if extra_config == 'Mesa':
args['skia_use_mesa'] = 'true'
if extra_config == 'NoGPU':
args['skia_enable_gpu'] = 'false'
if extra_config == 'Vulkan':
if os == 'Ubuntu':
args['skia_vulkan_sdk'] = '"%s"' % linux_vulkan_sdk
if 'Win' in os:
args['skia_vulkan_sdk'] = '"%s"' % win_vulkan_sdk
for (k,v) in {
'cc': cc,
'cxx': cxx,
'sanitize': extra_config if 'SAN' in extra_config else '',
'target_cpu': target_arch,
'target_os': 'ios' if 'iOS' in extra_config else '',
'windk': win_toolchain if 'Win' in os else '',
}.iteritems():
if v:
args[k] = '"%s"' % v
if extra_cflags:
args['extra_cflags'] = repr(extra_cflags).replace("'", '"')
if extra_ldflags:
args['extra_ldflags'] = repr(extra_ldflags).replace("'", '"')
gn_args = ' '.join('%s=%s' % (k,v) for (k,v) in sorted(args.iteritems()))
gn = 'gn.exe' if 'Win' in os else 'gn'
ninja = 'ninja.exe' if 'Win' in os else 'ninja'
gn = self.m.vars.skia_dir.join('bin', gn)
self._py('fetch-gn', self.m.vars.skia_dir.join('bin', 'fetch-gn'))
self._run('gn gen', [gn, 'gen', self.out_dir, '--args=' + gn_args])
self._run('ninja', [ninja, '-C', self.out_dir])
def copy_extra_build_products(self, swarming_out_dir):
configuration = self.m.vars.builder_cfg.get('configuration', '')
extra_config = self.m.vars.builder_cfg.get('extra_config', '')
os = self.m.vars.builder_cfg.get('os', '')
win_vulkan_sdk = str(self.m.vars.slave_dir.join('win_vulkan_sdk'))
if 'Win' in os and extra_config == 'Vulkan':
self.m.run.copy_build_products(
win_vulkan_sdk,
swarming_out_dir.join('out', configuration + '_x64'))
def step(self, name, cmd, env=None, **kwargs):
app = self.m.vars.skia_out.join(self.m.vars.configuration, cmd[0])
cmd = [app] + cmd[1:]
env = {}
clang_linux = str(self.m.vars.slave_dir.join('clang_linux'))
extra_config = self.m.vars.builder_cfg.get('extra_config', '')
if 'SAN' in extra_config:
# Sanitized binaries may want to run clang_linux/bin/llvm-symbolizer.
self.m.vars.default_env['PATH'] = '%%(PATH)s:%s' % clang_linux + '/bin'
elif 'Ubuntu' == self.m.vars.builder_cfg.get('os', ''):
cmd = ['catchsegv'] + cmd
if 'ASAN' == extra_config:
env[ 'ASAN_OPTIONS'] = 'symbolize=1 detect_leaks=1'
env[ 'LSAN_OPTIONS'] = 'symbolize=1 print_suppressions=1'
env['UBSAN_OPTIONS'] = 'symbolize=1 print_stacktrace=1'
if 'MSAN' == extra_config:
# Find the MSAN-built libc++.
env['LD_LIBRARY_PATH'] = clang_linux + '/msan'
self._run(name, cmd, env=env)
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