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

build/install-build-deps.sh

Index: build/install-build-deps.sh
diff --git a/build/install-build-deps.sh b/build/install-build-deps.sh
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+#!/bin/bash -e
+
+# Copyright (c) 2012 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.
+
+# Script to install everything needed to build chromium (well, ideally, anyway)
+# See http://code.google.com/p/chromium/wiki/LinuxBuildInstructions
+# and http://code.google.com/p/chromium/wiki/LinuxBuild64Bit
+
+usage() {
+  echo "Usage: $0 [--options]"
+  echo "Options:"
+  echo "--[no-]syms: enable or disable installation of debugging symbols"
+  echo "--lib32: enable installation of 32-bit libraries, e.g. for V8 snapshot"
+  echo "--[no-]arm: enable or disable installation of arm cross toolchain"
+  echo "--[no-]chromeos-fonts: enable or disable installation of Chrome OS"\
+       "fonts"
+  echo "--[no-]nacl: enable or disable installation of prerequisites for"\
+       "building standalone NaCl and all its toolchains"
+  echo "--no-prompt: silently select standard options/defaults"
+  echo "--quick-check: quickly try to determine if dependencies are installed"
+  echo "               (this avoids interactive prompts and sudo commands,"
+  echo "               so might not be 100% accurate)"
+  echo "--unsupported: attempt installation even on unsupported systems"
+  echo "Script will prompt interactively if options not given."
+  exit 1
+}
+
+# Checks whether a particular package is available in the repos.
+# USAGE: $ package_exists <package name>
+package_exists() {
+  apt-cache pkgnames | grep -x "$1" > /dev/null 2>&1
+}
+
+# These default to on because (some) bots need them and it keeps things
+# simple for the bot setup if all bots just run the script in its default
+# mode.  Developers who don't want stuff they don't need installed on their
+# own workstations can pass --no-arm --no-nacl when running the script.
+do_inst_arm=1
+do_inst_nacl=1
+
+while test "$1" != ""
+do
+  case "$1" in
+  --syms)                   do_inst_syms=1;;
+  --no-syms)                do_inst_syms=0;;
+  --lib32)                  do_inst_lib32=1;;
+  --arm)                    do_inst_arm=1;;
+  --no-arm)                 do_inst_arm=0;;
+  --chromeos-fonts)         do_inst_chromeos_fonts=1;;
+  --no-chromeos-fonts)      do_inst_chromeos_fonts=0;;
+  --nacl)                   do_inst_nacl=1;;
+  --no-nacl)                do_inst_nacl=0;;
+  --no-prompt)              do_default=1
+                            do_quietly="-qq --assume-yes"
+    ;;
+  --quick-check)            do_quick_check=1;;
+  --unsupported)            do_unsupported=1;;
+  *) usage;;
+  esac
+  shift
+done
+
+if test "$do_inst_arm" = "1"; then
+  do_inst_lib32=1
+fi
+
+# Check for lsb_release command in $PATH
+if ! which lsb_release > /dev/null; then
+  echo "ERROR: lsb_release not found in \$PATH" >&2
+  exit 1;
+fi
+
+distro=$(lsb_release --id --short)
+codename=$(lsb_release --codename --short)
+ubuntu_codenames="(precise|trusty|utopic|vivid)"
+debian_codenames="(stretch)"
+if [ 0 -eq "${do_unsupported-0}" ] && [ 0 -eq "${do_quick_check-0}" ] ; then
+  if [[ ! $codename =~ $ubuntu_codenames && ! $codename =~ $debian_codenames ]]; then
+    echo "ERROR: Only Ubuntu 12.04 (precise), 14.04 (trusty), " \
+      "14.10 (utopic) and 15.04 (vivid), and Debian Testing (stretch) are currently supported" >&2
+    exit 1
+  fi
+
+  if ! uname -m | egrep -q "i686|x86_64"; then
+    echo "Only x86 architectures are currently supported" >&2
+    exit
+  fi
+fi
+
+if [ "x$(id -u)" != x0 ] && [ 0 -eq "${do_quick_check-0}" ]; then
+  echo "Running as non-root user."
+  echo "You might have to enter your password one or more times for 'sudo'."
+  echo
+fi
+
+# Packages needed for chromeos only
+chromeos_dev_list="libbluetooth-dev libxkbcommon-dev realpath"
+
+# Packages needed for development
+if [[ $distro = Debian ]] ; then
+  # Debian-specific package names
+  dev_list="apache2-bin fonts-indic fonts-lyx"
+else
+  # Ubuntu-specific package names
+  dev_list="apache2.2-bin ttf-indic-fonts xfonts-mathml language-pack-da
+            language-pack-fr language-pack-he language-pack-zh-hant"
+fi
+dev_list="$dev_list bison cdbs curl dpkg-dev elfutils devscripts fakeroot
+          flex fonts-thai-tlwg g++ git-core git-svn gperf libapache2-mod-php5
+          libasound2-dev libbrlapi-dev libav-tools
+          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-kochi-gothic ttf-kochi-mincho wdiff zip
+          $chromeos_dev_list"
+
+# 64-bit systems need a minimum set of 32-bit compat packages for the pre-built
+# NaCl binaries.
+if file /sbin/init | grep -q 'ELF 64-bit'; then
+  dev_list="${dev_list} libc6-i386 lib32gcc1 lib32stdc++6"
+fi
+
+# Run-time libraries required by chromeos only
+chromeos_lib_list="libpulse0 libbz2-1.0"
+
+# Full list of required run-time libraries
+lib_list="libatk1.0-0 libc6 libasound2 libcairo2 libcap2 libcups2 libexpat1
+          libexif12 libfontconfig1 libfreetype6 libglib2.0-0 libgnome-keyring0
+          libgtk2.0-0 libpam0g libpango1.0-0 libpci3 libpcre3 libpixman-1-0
+          libpng12-0 libspeechd2 libstdc++6 libsqlite3-0 libx11-6
+          libxau6 libxcb1 libxcomposite1 libxcursor1 libxdamage1 libxdmcp6
+          libxext6 libxfixes3 libxi6 libxinerama1 libxrandr2 libxrender1
+          libxtst6 zlib1g $chromeos_lib_list"
+
+# Debugging symbols for all of the run-time libraries
+dbg_list="libatk1.0-dbg libc6-dbg libcairo2-dbg libfontconfig1-dbg
+          libglib2.0-0-dbg libgtk2.0-0-dbg libpango1.0-0-dbg libpcre3-dbg
+          libpixman-1-0-dbg libsqlite3-0-dbg libx11-6-dbg libxau6-dbg
+          libxcb1-dbg libxcomposite1-dbg libxcursor1-dbg libxdamage1-dbg
+          libxdmcp6-dbg libxext6-dbg libxfixes3-dbg libxi6-dbg libxinerama1-dbg
+          libxrandr2-dbg libxrender1-dbg libxtst6-dbg zlib1g-dbg"
+
+# Find the proper version of libstdc++6-4.x-dbg.
+if [ "x$codename" = "xprecise" ]; then
+  dbg_list="${dbg_list} libstdc++6-4.6-dbg"
+elif [ "x$codename" = "xtrusty" ]; then
+  dbg_list="${dbg_list} libstdc++6-4.8-dbg"
+else
+  dbg_list="${dbg_list} libstdc++6-4.9-dbg"
+fi
+
+# 32-bit libraries needed e.g. to compile V8 snapshot for Android or armhf
+lib32_list="linux-libc-dev:i386"
+
+# arm cross toolchain packages needed to build chrome on armhf
+arm_list="libc6-dev-armhf-cross
+          linux-libc-dev-armhf-cross"
+
+# Work around for dependency issue Debian/Stretch
+if [ "x$codename" = "xstretch" ]; then
+  arm_list+=" g++-5-arm-linux-gnueabihf"
+else
+  arm_list+=" g++-arm-linux-gnueabihf"
+fi
+
+# Work around for dependency issue Ubuntu/Trusty: http://crbug.com/435056
+if [ "x$codename" = "xtrusty" ]; then
+  arm_list+=" g++-4.8-multilib-arm-linux-gnueabihf
+              gcc-4.8-multilib-arm-linux-gnueabihf"
+fi
+
+# Packages to build NaCl, its toolchains, and its ports.
+naclports_list="ant autoconf bison cmake gawk intltool xutils-dev xsltproc"
+nacl_list="g++-mingw-w64-i686 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 lib32ncurses5-dev
+           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
+           ${naclports_list}"
+
+# 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"; do
+  if $(dpkg-query -Wf'${Status}' libgl1-mesa-glx${variant} 2>/dev/null | \
+       grep -q " ok installed"); then
+    mesa_variant="${variant}"
+  fi
+done
+dev_list="${dev_list} libgbm-dev${mesa_variant}
+          libgles2-mesa-dev${mesa_variant} libgl1-mesa-dev${mesa_variant}
+          mesa-common-dev${mesa_variant}"
+nacl_list="${nacl_list} libgl1-mesa-glx${mesa_variant}:i386"
+
+# Some package names have changed over time
+if package_exists ttf-mscorefonts-installer; then
+  dev_list="${dev_list} ttf-mscorefonts-installer"
+else
+  dev_list="${dev_list} msttcorefonts"
+fi
+if package_exists libnspr4-dbg; then
+  dbg_list="${dbg_list} libnspr4-dbg libnss3-dbg"
+  lib_list="${lib_list} libnspr4 libnss3"
+else
+  dbg_list="${dbg_list} libnspr4-0d-dbg libnss3-1d-dbg"
+  lib_list="${lib_list} libnspr4-0d libnss3-1d"
+fi
+if package_exists libjpeg-dev; then
+  dev_list="${dev_list} libjpeg-dev"
+else
+  dev_list="${dev_list} libjpeg62-dev"
+fi
+if package_exists libudev1; then
+  dev_list="${dev_list} libudev1"
+  nacl_list="${nacl_list} libudev1:i386"
+else
+  dev_list="${dev_list} libudev0"
+  nacl_list="${nacl_list} libudev0:i386"
+fi
+if package_exists libbrlapi0.6; then
+  dev_list="${dev_list} libbrlapi0.6"
+else
+  dev_list="${dev_list} libbrlapi0.5"
+fi
+
+
+# Some packages are only needed if the distribution actually supports
+# installing them.
+if package_exists appmenu-gtk; then
+  lib_list="$lib_list appmenu-gtk"
+fi
+
+# 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.
+if file /sbin/init | grep -q 'ELF 64-bit'; then
+  # 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.
+  multilib_package=$(apt-cache depends g++-multilib --important | \
+      grep -E --color=never --only-matching '\bg\+\+-[0-9.]+-multilib\b')
+  lib32_list="$lib32_list $multilib_package"
+fi
+
+# Waits for the user to press 'Y' or 'N'. Either uppercase of lowercase is
+# accepted. Returns 0 for 'Y' and 1 for 'N'. If an optional parameter has
+# been provided to yes_no(), the function also accepts RETURN as a user input.
+# The parameter specifies the exit code that should be returned in that case.
+# The function will echo the user's selection followed by a newline character.
+# Users can abort the function by pressing CTRL-C. This will call "exit 1".
+yes_no() {
+  if [ 0 -ne "${do_default-0}" ] ; then
+    [ $1 -eq 0 ] && echo "Y" || echo "N"
+    return $1
+  fi
+  local c
+  while :; do
+    c="$(trap 'stty echo -iuclc icanon 2>/dev/null' EXIT INT TERM QUIT
+         stty -echo iuclc -icanon 2>/dev/null
+         dd count=1 bs=1 2>/dev/null | od -An -tx1)"
+    case "$c" in
+      " 0a") if [ -n "$1" ]; then
+               [ $1 -eq 0 ] && echo "Y" || echo "N"
+               return $1
+             fi
+             ;;
+      " 79") echo "Y"
+             return 0
+             ;;
+      " 6e") echo "N"
+             return 1
+             ;;
+      "")    echo "Aborted" >&2
+             exit 1
+             ;;
+      *)     # The user pressed an unrecognized key. As we are not echoing
+             # any incorrect user input, alert the user by ringing the bell.
+             (tput bel) 2>/dev/null
+             ;;
+    esac
+  done
+}
+
+if test "$do_inst_syms" = "" && test 0 -eq ${do_quick_check-0}
+then
+  echo "This script installs all tools and libraries needed to build Chromium."
+  echo ""
+  echo "For most of the libraries, it can also install debugging symbols, which"
+  echo "will allow you to debug code in the system libraries. Most developers"
+  echo "won't need these symbols."
+  echo -n "Do you want me to install them for you (y/N) "
+  if yes_no 1; then
+    do_inst_syms=1
+  fi
+fi
+if test "$do_inst_syms" = "1"; then
+  echo "Including debugging symbols."
+else
+  echo "Skipping debugging symbols."
+  dbg_list=
+fi
+
+if test "$do_inst_lib32" = "1" ; then
+  echo "Including 32-bit libraries for ARM/Android."
+else
+  echo "Skipping 32-bit libraries for ARM/Android."
+  lib32_list=
+fi
+
+if test "$do_inst_arm" = "1" ; then
+  echo "Including ARM cross toolchain."
+else
+  echo "Skipping ARM cross toolchain."
+  arm_list=
+fi
+
+if test "$do_inst_nacl" = "1"; then
+  echo "Including NaCl, NaCl toolchain, NaCl ports dependencies."
+else
+  echo "Skipping NaCl, NaCl toolchain, NaCl ports dependencies."
+  nacl_list=
+fi
+
+# The `sort -r -s -t: -k2` sorts all the :i386 packages to the front, to avoid
+# confusing dpkg-query (crbug.com/446172).
+packages="$(
+  echo "${dev_list} ${lib_list} ${dbg_list} ${lib32_list} ${arm_list}"\
+       "${nacl_list}" | tr " " "\n" | sort -u | sort -r -s -t: -k2 | tr "\n" " "
+)"
+
+if [ 1 -eq "${do_quick_check-0}" ] ; then
+  failed_check="$(dpkg-query -W -f '${PackageSpec}:${Status}\n' \
+    ${packages} 2>&1 | grep -v "ok installed" || :)"
+  if [ -n "${failed_check}" ]; then
+    echo
+    nomatch="$(echo "${failed_check}" | \
+      sed -e "s/^No packages found matching \(.*\).$/\1/;t;d")"
+    missing="$(echo "${failed_check}" | \
+      sed -e "/^No packages found matching/d;s/^\(.*\):.*$/\1/")"
+    if [ "$nomatch" ]; then
+      # Distinguish between packages that actually aren't available to the
+      # system (i.e. not in any repo) and packages that just aren't known to
+      # dpkg (i.e. managed by apt).
+      unknown=""
+      for p in ${nomatch}; do
+        if apt-cache show ${p} > /dev/null 2>&1; then
+          missing="${p}\n${missing}"
+        else
+          unknown="${p}\n${unknown}"
+        fi
+      done
+      if [ -n "${unknown}" ]; then
+        echo "WARNING: The following packages are unknown to your system"
+        echo "(maybe missing a repo or need to 'sudo apt-get update'):"
+        echo -e "${unknown}" | sed -e "s/^/  /"
+      fi
+    fi
+    if [ -n "${missing}" ]; then
+      echo "WARNING: The following packages are not installed:"
+      echo -e "${missing}" | sed -e "s/^/  /"
+    fi
+    exit 1
+  fi
+  exit 0
+fi
+
+if test "$do_inst_lib32" = "1" || test "$do_inst_nacl" = "1"; then
+  if [[ ! $codename =~ (precise) ]]; then
+    sudo dpkg --add-architecture i386
+  fi
+fi
+sudo apt-get update
+
+# We initially run "apt-get" with the --reinstall option and parse its output.
+# This way, we can find all the packages that need to be newly installed
+# without accidentally promoting any packages from "auto" to "manual".
+# We then re-run "apt-get" with just the list of missing packages.
+echo "Finding missing packages..."
+# Intentionally leaving $packages unquoted so it's more readable.
+echo "Packages required: " $packages
+echo
+new_list_cmd="sudo apt-get install --reinstall $(echo $packages)"
+if new_list="$(yes n | LANGUAGE=en LANG=C $new_list_cmd)"; then
+  # We probably never hit this following line.
+  echo "No missing packages, and the packages are up-to-date."
+elif [ $? -eq 1 ]; then
+  # We expect apt-get to have exit status of 1.
+  # This indicates that we cancelled the install with "yes n|".
+  new_list=$(echo "$new_list" |
+    sed -e '1,/The following NEW packages will be installed:/d;s/^  //;t;d')
+  new_list=$(echo "$new_list" | sed 's/ *$//')
+  if [ -z "$new_list" ] ; then
+    echo "No missing packages, and the packages are up-to-date."
+  else
+    echo "Installing missing packages: $new_list."
+    sudo apt-get install ${do_quietly-} ${new_list}
+  fi
+  echo
+else
+  # An apt-get exit status of 100 indicates that a real error has occurred.
+
+  # I am intentionally leaving out the '"'s around new_list_cmd,
+  # as this makes it easier to cut and paste the output
+  echo "The following command failed: " ${new_list_cmd}
+  echo
+  echo "It produces the following output:"
+  yes n | $new_list_cmd || true
+  echo
+  echo "You will have to install the above packages yourself."
+  echo
+  exit 100
+fi
+
+# Install the Chrome OS default fonts. This must go after running
+# apt-get, since install-chromeos-fonts depends on curl.
+if test "$do_inst_chromeos_fonts" != "0"; then
+  echo
+  echo "Installing Chrome OS fonts."
+  dir=`echo $0 | sed -r -e 's/\/[^/]+$//'`
+  if ! sudo $dir/linux/install-chromeos-fonts.py; then
+    echo "ERROR: The installation of the Chrome OS default fonts failed."
+    if [ `stat -f -c %T $dir` == "nfs" ]; then
+      echo "The reason is that your repo is installed on a remote file system."
+    else
+      echo "This is expected if your repo is installed on a remote file system."
+    fi
+    echo "It is recommended to install your repo on a local file system."
+    echo "You can skip the installation of the Chrome OS default founts with"
+    echo "the command line option: --no-chromeos-fonts."
+    exit 1
+  fi
+else
+  echo "Skipping installation of Chrome OS fonts."
+fi
+
+# $1 - target name
+# $2 - link name
+create_library_symlink() {
+  target=$1
+  linkname=$2
+  if [ -L $linkname ]; then
+    if [ "$(basename $(readlink $linkname))" != "$(basename $target)" ]; then
+      sudo rm $linkname
+    fi
+  fi
+  if [ ! -r $linkname ]; then
+    echo "Creating link: $linkname"
+    sudo ln -fs $target $linkname
+  fi
+}
+
+if test "$do_inst_nacl" = "1"; then
+  echo "Installing symbolic links for NaCl."
+  # naclports needs to cross build python for i386, but libssl1.0.0:i386
+  # only contains libcrypto.so.1.0.0 and not the symlink needed for
+  # linking (libcrypto.so).
+  create_library_symlink /lib/i386-linux-gnu/libcrypto.so.1.0.0 \
+      /usr/lib/i386-linux-gnu/libcrypto.so
+
+  create_library_symlink /lib/i386-linux-gnu/libssl.so.1.0.0 \
+      /usr/lib/i386-linux-gnu/libssl.so
+else
+  echo "Skipping symbolic links for NaCl."
+fi