Add jobs for building for Chromecast

BUG=skia:6345

Change-Id: Iaf09eb7f57ae71687c6804221837a8cc8ef04931
Reviewed-on: https://skia-review.googlesource.com/9419
Commit-Queue: Kevin Lubick <kjlubick@google.com>
Reviewed-by: Eric Boren <borenet@google.com>

1 files changed, 59 insertions, 0 deletions

diff --git a/infra/bots/recipe_modules/flavor/gn_chromecast_flavor.py b/infra/bots/recipe_modules/flavor/gn_chromecast_flavor.py
new file mode 100644
index 0000000000..e8e516d818
--- /dev/null
+++ b/infra/bots/recipe_modules/flavor/gn_chromecast_flavor.py
@@ -0,0 +1,59 @@
+# 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.
+
+from recipe_engine import recipe_api
+
+import default_flavor
+import gn_android_flavor
+import subprocess
+
+
+"""GN Chromecast flavor utils, used for building Skia for Chromecast with GN"""
+class GNChromecastFlavorUtils(gn_android_flavor.GNAndroidFlavorUtils):
+  def __init__(self, m):
+    super(GNChromecastFlavorUtils, self).__init__(m)
+
+  def compile(self, unused_target, **kwargs):
+    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')
+
+    # Makes the binary small enough to fit on the small disk.
+    extra_cflags = ['-g0']
+    # Chromecast does not package libstdc++
+    extra_ldflags = ['-static-libstdc++', '-static-libgcc']
+
+    toolchain_dir = self.m.vars.slave_dir.join('cast_toolchain')
+
+    quote = lambda x: '"%s"' % x
+    args = {
+      'cc': quote(toolchain_dir.join('bin','armv7a-cros-linux-gnueabi-gcc')),
+      'cxx': quote(toolchain_dir.join('bin','armv7a-cros-linux-gnueabi-g++')),
+      'ar': quote(toolchain_dir.join('bin','armv7a-cros-linux-gnueabi-ar')),
+      'target_cpu': quote(target_arch),
+      'skia_use_fontconfig': 'false',
+      'skia_enable_gpu': 'false',
+      # The toolchain won't allow system libraries to be used
+      # when cross-compiling
+      'skia_use_system_freetype2': 'false',
+      # Makes the binary smaller
+      'skia_use_icu': 'false',
+    }
+
+    if configuration != 'Debug':
+      args['is_debug'] = 'false'
+    args['extra_cflags'] = repr(extra_cflags).replace("'", '"')
+    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)
+    # We only build perf for the chromecasts.
+    self._run('ninja', ninja, '-C', self.out_dir, 'nanobench')
+