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1# Copyright 2018 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
5
6def compile_fn(api, checkout_root, out_dir):
7  skia_dir      = checkout_root.join('skia')
8  configuration = api.vars.builder_cfg.get('configuration')
9  target_arch   = api.vars.builder_cfg.get('target_arch')
10
11  # TODO(kjlubick): can this toolchain be replaced/shared with chromebook?
12  toolchain_dir = api.vars.slave_dir.join('cast_toolchain', 'armv7a')
13  gles_dir = api.vars.slave_dir.join('chromebook_arm_gles')
14
15  target  = ['-target', 'armv7a-cros-linux-gnueabi']
16  sysroot = ['--sysroot',
17             '%s/usr/armv7a-cros-linux-gnueabi' % toolchain_dir]
18
19  extra_asmflags = target
20
21  extra_cflags = target + sysroot + [
22    '-I%s' % gles_dir.join('include'),
23    '-DMESA_EGL_NO_X11_HEADERS',
24    "-DSK_NO_COMMAND_BUFFER",
25    # Avoid unused warning with yyunput
26    '-Wno-error=unused-function',
27    # Makes the binary small enough to fit on the small disk.
28    '-g0',
29    ('-DDUMMY_cast_toolchain_version=%s' %
30     api.run.asset_version('cast_toolchain', skia_dir)),
31  ]
32
33  extra_ldflags = target + sysroot + [
34    # Chromecast does not package libstdc++
35    '-static-libstdc++', '-static-libgcc',
36    '-L%s' % toolchain_dir.join('lib'),
37    '-fuse-ld=gold',
38    '-B%s/usr/libexec/gcc' % toolchain_dir,
39  ]
40
41  quote = lambda x: '"%s"' % x
42  args = {
43    'cc':  quote(toolchain_dir.join('usr', 'bin', 'clang-3.9.elf')),
44    'cxx': quote(toolchain_dir.join('usr', 'bin', 'clang++-3.9.elf')),
45    'ar':  quote(toolchain_dir.join('bin','armv7a-cros-linux-gnueabi-ar')),
46    'target_cpu': quote(target_arch),
47    'skia_use_fontconfig': 'false',
48    'skia_enable_gpu': 'true',
49    # The toolchain won't allow system libraries to be used
50    # when cross-compiling
51    'skia_use_system_freetype2': 'false',
52    # Makes the binary smaller
53    'skia_use_icu': 'false',
54    'skia_use_egl': 'true',
55  }
56
57  if configuration != 'Debug':
58    args['is_debug'] = 'false'
59  args['extra_asmflags'] = repr(extra_asmflags).replace("'", '"')
60  args['extra_cflags'] = repr(extra_cflags).replace("'", '"')
61  args['extra_ldflags'] = repr(extra_ldflags).replace("'", '"')
62
63  gn_args = ' '.join('%s=%s' % (k,v) for (k,v) in sorted(args.iteritems()))
64  gn = skia_dir.join('bin', 'gn')
65
66  with api.context(cwd=skia_dir):
67    api.run(api.python, 'fetch-gn',
68            script=skia_dir.join('bin', 'fetch-gn'),
69            infra_step=True)
70    api.run(api.step, 'gn gen', cmd=[gn, 'gen', out_dir, '--args=' + gn_args])
71    api.run(api.step, 'ninja',
72            cmd=['ninja', '-C', out_dir, 'nanobench', 'dm'])
73
74
75def copy_extra_build_products(api, src, dst):
76  pass
77