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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 Android flavor utils, used for building Skia for Android with GN."""
class GNAndroidFlavorUtils(default_flavor.DefaultFlavorUtils):
def supported(self):
return 'GN_Android' == self.m.vars.builder_cfg.get('extra_config', '')
def _run(self, title, cmd):
path = self.m.vars.default_env['PATH']
self.m.vars.default_env = {'PATH': path}
self.m.run(self.m.step, title, cmd=cmd, cwd=self.m.vars.skia_dir, env={})
def compile(self, unused_target, **kwargs):
compiler = self.m.vars.builder_cfg.get('compiler')
configuration = self.m.vars.builder_cfg.get('configuration')
os = self.m.vars.builder_cfg.get('os')
target_arch = self.m.vars.builder_cfg.get('target_arch')
assert compiler == 'Clang' # At this rate we might not ever support GCC.
compiler_prefix = ''
extra_cflags = []
ccache = self.m.run.ccache()
if ccache:
compiler_prefix = ccache
extra_cflags.append('-Qunused-arguments')
ndk_asset = 'android_ndk_linux' if os == 'Ubuntu' else 'android_ndk_darwin'
quote = lambda x: '"%s"' % x
gn_args = ' '.join('%s=%s' % (k,v) for (k,v) in sorted({
'compiler_prefix': quote(compiler_prefix),
'extra_cflags': quote(' '.join(extra_cflags)),
'is_debug': 'true' if configuration == 'Debug' else 'false',
'ndk': quote(self.m.vars.slave_dir.join(ndk_asset)),
'target_cpu': quote(target_arch),
}.iteritems()))
self._run('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])
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