1 files changed, 101 insertions, 0 deletions
diff --git a/infra/bots/recipe_modules/build/chromebook.py b/infra/bots/recipe_modules/build/chromebook.py
new file mode 100644
index 0000000000..0ab624e2bc
--- /dev/null
+++ b/infra/bots/recipe_modules/build/chromebook.py
@@ -0,0 +1,101 @@
+# Copyright 2018 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.
+
+
+def compile_fn(api, out_dir):
+  configuration = api.vars.builder_cfg.get('configuration')
+  os            = api.vars.builder_cfg.get('os')
+  target_arch   = api.vars.builder_cfg.get('target_arch')
+
+  clang_linux = api.vars.slave_dir.join('clang_linux')
+  # This is a pretty typical arm-linux-gnueabihf sysroot
+  sysroot_dir = api.vars.slave_dir.join('armhf_sysroot')
+
+  if 'arm' == target_arch:
+    # This is the extra things needed to link against for the chromebook.
+    #  For example, the Mali GL drivers.
+    gl_dir = api.vars.slave_dir.join('chromebook_arm_gles')
+    env = {'LD_LIBRARY_PATH': sysroot_dir.join('lib')}
+    extra_asmflags = [
+      '--target=armv7a-linux-gnueabihf',
+      '--sysroot=%s' % sysroot_dir,
+      '-march=armv7-a',
+      '-mfpu=neon',
+      '-mthumb',
+    ]
+
+    extra_cflags = [
+      '--target=armv7a-linux-gnueabihf',
+      '--sysroot=%s' % sysroot_dir,
+      '-I%s' % gl_dir.join('include'),
+      '-I%s' % sysroot_dir.join('include'),
+      '-I%s' % sysroot_dir.join('include', 'c++', '4.8.4'),
+      '-I%s' % sysroot_dir.join('include', 'c++', '4.8.4',
+                                'arm-linux-gnueabihf'),
+      '-DMESA_EGL_NO_X11_HEADERS',
+    ]
+
+    extra_ldflags = [
+      '--target=armv7a-linux-gnueabihf',
+      '--sysroot=%s' % sysroot_dir,
+      # use sysroot's ld which can properly link things.
+      '-B%s' % sysroot_dir.join('bin'),
+      # helps locate crt*.o
+      '-B%s' % sysroot_dir.join('gcc-cross'),
+      # helps locate libgcc*.so
+      '-L%s' % sysroot_dir.join('gcc-cross'),
+      '-L%s' % sysroot_dir.join('lib'),
+      '-L%s' % gl_dir.join('lib'),
+      # Explicitly do not use lld for cross compiling like this - I observed
+      # failures like "Unrecognized reloc 41" and couldn't find out why.
+    ]
+  else:
+    gl_dir = api.vars.slave_dir.join('chromebook_x86_64_gles')
+    env = {}
+    extra_asmflags = []
+    extra_cflags = [
+      '-DMESA_EGL_NO_X11_HEADERS',
+      '-I%s' % gl_dir.join('include'),
+    ]
+    extra_ldflags = [
+      '-L%s' % gl_dir.join('lib'),
+      '-static-libstdc++', '-static-libgcc',
+      '-fuse-ld=lld',
+    ]
+
+  quote = lambda x: '"%s"' % x
+  args = {
+    'cc': quote(clang_linux.join('bin','clang')),
+    'cxx': quote(clang_linux.join('bin','clang++')),
+    'target_cpu': quote(target_arch),
+    'skia_use_fontconfig': 'false',
+    'skia_use_system_freetype2': 'false',
+    'skia_use_egl': 'true',
+  }
+  extra_cflags.append('-DDUMMY_clang_linux_version=%s' %
+                      api.run.asset_version('clang_linux'))
+
+  if configuration != 'Debug':
+    args['is_debug'] = 'false'
+  args['extra_asmflags'] = repr(extra_asmflags).replace("'", '"')
+  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 = api.vars.skia_dir.join('bin', gn)
+
+  with api.context(cwd=api.vars.skia_dir, env=env):
+    api.run(api.python, 'fetch-gn',
+            script=api.vars.skia_dir.join('bin', 'fetch-gn'),
+            infra_step=True)
+    api.run(api.step, 'gn gen', cmd=[gn, 'gen', out_dir, '--args=' + gn_args])
+    api.run(api.step, 'ninja',
+            cmd=[ninja, '-k', '0', '-C', out_dir, 'nanobench', 'dm'])
+
+
+def copy_extra_build_products(api, src, dst):
+  pass