Add a snapshot of flutter/engine/src/build to our sdk

build/install-build-deps.py

Index: build/install-build-deps.py
diff --git a/build/install-build-deps.py b/build/install-build-deps.py
new file mode 100755
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+++ b/build/install-build-deps.py
@@ -0,0 +1,430 @@
+#!/usr/bin/env python
+# Copyright 2015 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 argparse
+import operator
+import os
+import platform
+import re
+import subprocess
+import sys
+
+
+SUPPORTED_UBUNTU_VERSIONS = (
+  {'number': '12.04', 'codename': 'precise'},
+  {'number': '14.04', 'codename': 'trusty'},
+  {'number': '14.10', 'codename': 'utopic'},
+  {'number': '15.04', 'codename': 'vivid'},
+)
+
+
+# Packages needed for chromeos only.
+_packages_chromeos_dev = (
+  'libbluetooth-dev',
+  'libxkbcommon-dev',
+  'realpath',
+)
+
+
+# Packages needed for development.
+_packages_dev = (
+  'apache2.2-bin',
+  'bison',
+  'cdbs',
+  'curl',
+  'devscripts',
+  'dpkg-dev',
+  'elfutils',
+  'fakeroot',
+  'flex',
+  'fonts-thai-tlwg',
+  'g++',
+  'git-core',
+  'git-svn',
+  'gperf',
+  'language-pack-da',
+  'language-pack-fr',
+  'language-pack-he',
+  'language-pack-zh-hant',
+  'libapache2-mod-php5',
+  'libasound2-dev',
+  'libav-tools',
+  'libbrlapi-dev',
+  'libbz2-dev',
+  'libcairo2-dev',
+  'libcap-dev',
+  'libcups2-dev',
+  'libcurl4-gnutls-dev',
+  'libdrm-dev',
+  'libelf-dev',
+  'libexif-dev',
+  'libgconf2-dev',
+  'libglib2.0-dev',
+  'libglu1-mesa-dev',
+  'libgnome-keyring-dev',
+  'libgtk2.0-dev',
+  'libkrb5-dev',
+  'libnspr4-dev',
+  'libnss3-dev',
+  'libpam0g-dev',
+  'libpci-dev',
+  'libpulse-dev',
+  'libsctp-dev',
+  'libspeechd-dev',
+  'libsqlite3-dev',
+  'libssl-dev',
+  'libudev-dev',
+  'libwww-perl',
+  'libxslt1-dev',
+  'libxss-dev',
+  'libxt-dev',
+  'libxtst-dev',
+  'openbox',
+  'patch',
+  'perl',
+  'php5-cgi',
+  'pkg-config',
+  'python',
+  'python-cherrypy3',
+  'python-crypto',
+  'python-dev',
+  'python-numpy',
+  'python-opencv',
+  'python-openssl',
+  'python-psutil',
+  'python-yaml',
+  'rpm',
+  'ruby',
+  'subversion',
+  'ttf-dejavu-core',
+  'ttf-indic-fonts',
+  'ttf-kochi-gothic',
+  'ttf-kochi-mincho',
+  'wdiff',
+  'xfonts-mathml',
+  'zip',
+)
+
+
+# Run-time libraries required by chromeos only.
+_packages_chromeos_lib = (
+  'libbz2-1.0',
+  'libpulse0',
+)
+
+
+# Full list of required run-time libraries.
+_packages_lib = (
+  'libasound2',
+  'libatk1.0-0',
+  'libc6',
+  'libcairo2',
+  'libcap2',
+  'libcups2',
+  'libexif12',
+  'libexpat1',
+  'libfontconfig1',
+  'libfreetype6',
+  'libglib2.0-0',
+  'libgnome-keyring0',
+  'libgtk2.0-0',
+  'libpam0g',
+  'libpango1.0-0',
+  'libpci3',
+  'libpcre3',
+  'libpixman-1-0',
+  'libpng12-0',
+  'libspeechd2',
+  'libsqlite3-0',
+  'libstdc++6',
+  'libx11-6',
+  'libxau6',
+  'libxcb1',
+  'libxcomposite1',
+  'libxcursor1',
+  'libxdamage1',
+  'libxdmcp6',
+  'libxext6',
+  'libxfixes3',
+  'libxi6',
+  'libxinerama1',
+  'libxrandr2',
+  'libxrender1',
+  'libxtst6',
+  'zlib1g',
+)
+
+
+# Debugging symbols for all of the run-time libraries.
+_packages_dbg = (
+  'libatk1.0-dbg',
+  'libc6-dbg',
+  'libcairo2-dbg',
+  'libfontconfig1-dbg',
+  'libglib2.0-0-dbg',
+  'libgtk2.0-0-dbg',
+  'libpango1.0-0-dbg',
+  'libpcre3-dbg',
+  'libpixman-1-0-dbg',
+  'libsqlite3-0-dbg',
+  'libx11-6-dbg',
+  'libxau6-dbg',
+  'libxcb1-dbg',
+  'libxcomposite1-dbg',
+  'libxcursor1-dbg',
+  'libxdamage1-dbg',
+  'libxdmcp6-dbg',
+  'libxext6-dbg',
+  'libxfixes3-dbg',
+  'libxi6-dbg',
+  'libxinerama1-dbg',
+  'libxrandr2-dbg',
+  'libxrender1-dbg',
+  'libxtst6-dbg',
+  'zlib1g-dbg',
+)
+
+
+# 32-bit libraries needed e.g. to compile V8 snapshot for Android or armhf.
+_packages_lib32 = (
+  'linux-libc-dev:i386',
+)
+
+
+# arm cross toolchain packages needed to build chrome on armhf.
+_packages_arm = (
+  'g++-arm-linux-gnueabihf',
+  'libc6-dev-armhf-cross',
+  'linux-libc-dev-armhf-cross',
+)
+
+
+# Packages to build NaCl, its toolchains, and its ports.
+_packages_naclports = (
+  'ant',
+  'autoconf',
+  'bison',
+  'cmake',
+  'gawk',
+  'intltool',
+  'xsltproc',
+  'xutils-dev',
+)
+_packages_nacl = (
+  'g++-mingw-w64-i686',
+  'lib32ncurses5-dev',
+  'lib32z1-dev',
+  'libasound2:i386',
+  'libcap2:i386',
+  'libelf-dev:i386',
+  'libexif12:i386',
+  'libfontconfig1:i386',
+  'libgconf-2-4:i386',
+  'libglib2.0-0:i386',
+  'libgpm2:i386',
+  'libgtk2.0-0:i386',
+  'libncurses5:i386',
+  'libnss3:i386',
+  'libpango1.0-0:i386',
+  'libssl1.0.0:i386',
+  'libtinfo-dev',
+  'libtinfo-dev:i386',
+  'libtool',
+  'libxcomposite1:i386',
+  'libxcursor1:i386',
+  'libxdamage1:i386',
+  'libxi6:i386',
+  'libxrandr2:i386',
+  'libxss1:i386',
+  'libxtst6:i386',
+  'texinfo',
+  'xvfb',
+)
+
+
+def is_userland_64_bit():
+  return platform.architecture()[0] == '64bit'
+
+
+def package_exists(pkg):
+  return pkg in subprocess.check_output(['apt-cache', 'pkgnames']).splitlines()
+
+
+def lsb_release_short_codename():
+  return subprocess.check_output(
+      ['lsb_release', '--codename', '--short']).strip()
+
+
+def write_error(message):
+  sys.stderr.write('ERROR: %s\n' % message)
+  sys.stderr.flush()
+
+
+def nonfatal_get_output(*popenargs, **kwargs):
+  process = subprocess.Popen(
+      stdout=subprocess.PIPE, stderr=subprocess.PIPE, *popenargs, **kwargs)
+  stdout, stderr = process.communicate()
+  retcode = process.poll()
+  return retcode, stdout, stderr
+
+
+def compute_dynamic_package_lists():
+  global _packages_arm
+  global _packages_dbg
+  global _packages_dev
+  global _packages_lib
+  global _packages_lib32
+  global _packages_nacl
+
+  if is_userland_64_bit():
+    # 64-bit systems need a minimum set of 32-bit compat packages
+    # for the pre-built NaCl binaries.
+    _packages_dev += (
+      'lib32gcc1',
+      'lib32stdc++6',
+      'libc6-i386',
+    )
+
+    # When cross building for arm/Android on 64-bit systems the host binaries
+    # that are part of v8 need to be compiled with -m32 which means
+    # that basic multilib support is needed.
+    # gcc-multilib conflicts with the arm cross compiler (at least in trusty)
+    # but g++-X.Y-multilib gives us the 32-bit support that we need. Find out
+    # the appropriate value of X and Y by seeing what version the current
+    # distribution's g++-multilib package depends on.
+    output = subprocess.check_output(['apt-cache', 'depends', 'g++-multilib'])
+    multilib_package = re.search(r'g\+\+-[0-9.]+-multilib', output).group()
+    _packages_lib32 += (multilib_package,)
+
+  lsb_codename = lsb_release_short_codename()
+
+  # Find the proper version of libstdc++6-4.x-dbg.
+  if lsb_codename == 'precise':
+    _packages_dbg += ('libstdc++6-4.6-dbg',)
+  elif lsb_codename == 'trusty':
+    _packages_dbg += ('libstdc++6-4.8-dbg',)
+  else:
+    _packages_dbg += ('libstdc++6-4.9-dbg',)
+
+  # Work around for dependency issue Ubuntu/Trusty: http://crbug.com/435056 .
+  if lsb_codename == 'trusty':
+    _packages_arm += (
+      'g++-4.8-multilib-arm-linux-gnueabihf',
+      'gcc-4.8-multilib-arm-linux-gnueabihf',
+    )
+
+  # Find the proper version of libgbm-dev. We can't just install libgbm-dev as
+  # it depends on mesa, and only one version of mesa can exists on the system.
+  # Hence we must match the same version or this entire script will fail.
+  mesa_variant = ''
+  for variant in ('-lts-trusty', '-lts-utopic'):
+    rc, stdout, stderr = nonfatal_get_output(
+        ['dpkg-query', '-Wf\'{Status}\'', 'libgl1-mesa-glx' + variant])
+    if 'ok installed' in output:
+      mesa_variant = variant
+  _packages_dev += (
+    'libgbm-dev' + mesa_variant,
+    'libgl1-mesa-dev' + mesa_variant,
+    'libgles2-mesa-dev' + mesa_variant,
+    'mesa-common-dev' + mesa_variant,
+  )
+
+  if package_exists('ttf-mscorefonts-installer'):
+    _packages_dev += ('ttf-mscorefonts-installer',)
+  else:
+    _packages_dev += ('msttcorefonts',)
+
+  if package_exists('libnspr4-dbg'):
+    _packages_dbg += ('libnspr4-dbg', 'libnss3-dbg')
+    _packages_lib += ('libnspr4', 'libnss3')
+  else:
+    _packages_dbg += ('libnspr4-0d-dbg', 'libnss3-1d-dbg')
+    _packages_lib += ('libnspr4-0d', 'libnss3-1d')
+
+  if package_exists('libjpeg-dev'):
+    _packages_dev += ('libjpeg-dev',)
+  else:
+    _packages_dev += ('libjpeg62-dev',)
+
+  if package_exists('libudev1'):
+    _packages_dev += ('libudev1',)
+    _packages_nacl += ('libudev1:i386',)
+  else:
+    _packages_dev += ('libudev0',)
+    _packages_nacl += ('libudev0:i386',)
+
+  if package_exists('libbrlapi0.6'):
+    _packages_dev += ('libbrlapi0.6',)
+  else:
+    _packages_dev += ('libbrlapi0.5',)
+
+  # Some packages are only needed if the distribution actually supports
+  # installing them.
+  if package_exists('appmenu-gtk'):
+    _packages_lib += ('appmenu-gtk',)
+
+  _packages_dev += _packages_chromeos_dev
+  _packages_lib += _packages_chromeos_lib
+  _packages_nacl += _packages_naclports
+
+
+def quick_check(packages):
+  rc, stdout, stderr = nonfatal_get_output([
+      'dpkg-query', '-W', '-f', '${PackageSpec}:${Status}\n'] + list(packages))
+  if rc == 0 and not stderr:
+    return 0
+  print stderr
+  return 1
+
+
+def main(argv):
+  parser = argparse.ArgumentParser()
+  parser.add_argument('--quick-check', action='store_true',
+                      help='quickly try to determine if dependencies are '
+                           'installed (this avoids interactive prompts and '
+                           'sudo commands so might not be 100% accurate)')
+  parser.add_argument('--unsupported', action='store_true',
+                      help='attempt installation even on unsupported systems')
+  args = parser.parse_args(argv)
+
+  lsb_codename = lsb_release_short_codename()
+  if not args.unsupported and not args.quick_check:
+    if lsb_codename not in map(
+        operator.itemgetter('codename'), SUPPORTED_UBUNTU_VERSIONS):
+      supported_ubuntus = ['%(number)s (%(codename)s)' % v
+                           for v in SUPPORTED_UBUNTU_VERSIONS]
+      write_error('Only Ubuntu %s are currently supported.' %
+                  ', '.join(supported_ubuntus))
+      return 1
+
+    if platform.machine() not in ('i686', 'x86_64'):
+      write_error('Only x86 architectures are currently supported.')
+      return 1
+
+  if os.geteuid() != 0 and not args.quick_check:
+    print 'Running as non-root user.'
+    print 'You might have to enter your password one or more times'
+    print 'for \'sudo\'.'
+    print
+
+  compute_dynamic_package_lists()
+
+  packages = (_packages_dev + _packages_lib + _packages_dbg + _packages_lib32 +
+              _packages_arm + _packages_nacl)
+  def packages_key(pkg):
+    s = pkg.rsplit(':', 1)
+    if len(s) == 1:
+      return (s, '')
+    return s
+  packages = sorted(set(packages), key=packages_key)
+
+  if args.quick_check:
+    return quick_check(packages)
+
+  return 0
+
+
+if __name__ == '__main__':
+  sys.exit(main(sys.argv[1:]))