1# Copyright 2017 The Chromium Authors. All rights reserved.
2# Use of this source code is governed by a BSD-style license that can be
3# found in the LICENSE file.
4
5import re
6
7import default_flavor
8
9
10"""Flutter flavor utils, used for building Flutter with Skia."""
11
12
13class FlutterFlavorUtils(default_flavor.DefaultFlavorUtils):
14
15  def compile(self, target):
16    """Build Flutter with Skia."""
17
18    flutter_dir = self.m.vars.checkout_root.join('src')
19    configuration = self.m.vars.builder_cfg.get('configuration').lower()
20    extra_config = self.m.vars.builder_cfg.get('extra_config', '')
21    out_dir = configuration
22
23    with self.m.step.context({'cwd': flutter_dir}):
24      # Runhook to generate the gn binary in buildtools.
25      self.m.run(
26          self.m.step,
27          'runhook',
28          cmd=['gclient', 'runhooks'])
29
30      # Setup GN args.
31      gn_args = [
32          '--runtime-mode=%s' % configuration,
33      ]
34      if 'Android' in extra_config:
35        gn_args.append('--android')
36        out_dir = 'android_' + out_dir
37
38      # Delete out_dir so that we start from a clean slate. See skbug/6310.
39      self.m.run.rmtree(flutter_dir.join('out', out_dir))
40
41      # Run GN.
42      self.m.run(
43          self.m.step,
44          'gn_gen',
45          cmd=['flutter/tools/gn'] + gn_args)
46
47      # Build Flutter.
48      self.m.run(
49          self.m.step,
50          'build_flutter',
51          cmd=['ninja', '-C', 'out/' + out_dir, '-j100'])
52