[infra] Translate _sources.gypi files to _sources.gni files

tools/build.py

Index: tools/build.py
diff --git a/tools/build.py b/tools/build.py
index 0c780f370767c205db3f13a90d9dc04fe56cf2bb..df5c045ba18c82db49c83c8b9d7de185b8a73ca2 100755
--- a/tools/build.py
+++ b/tools/build.py
@@ -3,614 +3,12 @@
 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
-#
-
-import optparse
-import os
-import re
-import shutil
-import subprocess
-import sys
-import time
-import utils
-
-HOST_OS = utils.GuessOS()
-HOST_ARCH = utils.GuessArchitecture()
-HOST_CPUS = utils.GuessCpus()
-SCRIPT_DIR = os.path.dirname(sys.argv[0])
-DART_ROOT = os.path.realpath(os.path.join(SCRIPT_DIR, '..'))
-THIRD_PARTY_ROOT = os.path.join(DART_ROOT, 'third_party')
-
-arm_cc_error = """
-Couldn't find the arm cross compiler.
-To make sure that you have the arm cross compilation tools installed, run:
-
-$ wget http://src.chromium.org/chrome/trunk/src/build/install-build-deps.sh
-OR
-$ svn co http://src.chromium.org/chrome/trunk/src/build; cd build
-Then,
-$ chmod u+x install-build-deps.sh
-$ ./install-build-deps.sh --arm --no-chromeos-fonts
-"""
-DEFAULT_ARM_CROSS_COMPILER_PATH = '/usr/bin'
-
-usage = """\
-usage: %%prog [options] [targets]
-
-This script runs 'make' in the *current* directory. So, run it from
-the Dart repo root,
-
-  %s ,
-
-unless you really intend to use a non-default Makefile.""" % DART_ROOT
-
-DART_USE_GYP = "DART_USE_GYP"
-
-
-def use_gyp():
-  return DART_USE_GYP in os.environ
-
-
-def BuildOptions():
-  result = optparse.OptionParser(usage=usage)
-  result.add_option("-m", "--mode",
-      help='Build variants (comma-separated).',
-      metavar='[all,debug,release,product]',
-      default='debug')
-  result.add_option("-v", "--verbose",
-      help='Verbose output.',
-      default=False, action="store_true")
-  result.add_option("-a", "--arch",
-      help='Target architectures (comma-separated).',
-      metavar='[all,ia32,x64,simarm,arm,simarmv6,armv6,simarmv5te,armv5te,'
-              'simarm64,arm64,simdbc,armsimdbc]',
-      default=utils.GuessArchitecture())
-  result.add_option("--os",
-    help='Target OSs (comma-separated).',
-    metavar='[all,host,android]',
-    default='host')
-  result.add_option("-t", "--toolchain",
-    help='Cross-compiler toolchain path',
-    default=None)
-  result.add_option("-j",
-      help='The number of parallel jobs to run.',
-      metavar=HOST_CPUS,
-      default=str(HOST_CPUS))
-  (vs_directory, vs_executable) = utils.GuessVisualStudioPath()
-  result.add_option("--devenv",
-      help='Path containing devenv.com on Windows',
-      default=vs_directory)
-  result.add_option("--executable",
-      help='Name of the devenv.com/msbuild executable on Windows (varies for '
-           'different versions of Visual Studio)',
-      default=vs_executable)
-  result.add_option("--gyp",
-      help='Build with gyp.',
-      default=use_gyp(),
-      action='store_true')
-  return result
-
-
-def ProcessOsOption(os_name):
-  if os_name == 'host':
-    return HOST_OS
-  return os_name
-
-
-def ProcessOptions(options, args):
-  if options.arch == 'all':
-    options.arch = 'ia32,x64,simarm,simarm64,simdbc64'
-  if options.mode == 'all':
-    options.mode = 'debug,release,product'
-  if options.os == 'all':
-    options.os = 'host,android'
-  options.mode = options.mode.split(',')
-  options.arch = options.arch.split(',')
-  options.os = options.os.split(',')
-  if not options.gyp and options.toolchain != None:
-    print "The --toolchain flag is only supported by the gyp build."
-    print "When using the GN build, set the toolchain and sysroot using gn.py."
-    return False
-  for mode in options.mode:
-    if not mode in ['debug', 'release', 'product']:
-      print "Unknown mode %s" % mode
-      return False
-  for arch in options.arch:
-    archs = ['ia32', 'x64', 'simarm', 'arm', 'simarmv6', 'armv6',
-             'simarmv5te', 'armv5te', 'simarm64', 'arm64',
-             'simdbc', 'simdbc64', 'armsimdbc', 'armsimdbc64']
-    if not arch in archs:
-      print "Unknown arch %s" % arch
-      return False
-  options.os = [ProcessOsOption(os_name) for os_name in options.os]
-  for os_name in options.os:
-    if not os_name in ['android', 'freebsd', 'linux', 'macos', 'win32']:
-      print "Unknown os %s" % os_name
-      return False
-    if os_name != HOST_OS:
-      if os_name != 'android':
-        print "Unsupported target os %s" % os_name
-        return False
-      if not HOST_OS in ['linux', 'macos']:
-        print ("Cross-compilation to %s is not supported on host os %s."
-               % (os_name, HOST_OS))
-        return False
-      if not arch in ['ia32', 'x64', 'arm', 'armv6', 'armv5te', 'arm64',
-                      'simdbc', 'simdbc64']:
-        print ("Cross-compilation to %s is not supported for architecture %s."
-               % (os_name, arch))
-        return False
-      # We have not yet tweaked the v8 dart build to work with the Android
-      # NDK/SDK, so don't try to build it.
-      if not args:
-        print "For android builds you must specify a target, such as 'runtime'."
-        return False
-  return True
-
-
-def GetToolchainPrefix(target_os, arch, options):
-  if options.toolchain != None:
-    return options.toolchain
-
-  if target_os == 'android':
-    android_toolchain = GetAndroidToolchainDir(HOST_OS, arch)
-    if arch == 'arm' or arch == 'simdbc':
-      return os.path.join(android_toolchain, 'arm-linux-androideabi')
-    if arch == 'arm64' or arch == 'simdbc64':
-      return os.path.join(android_toolchain, 'aarch64-linux-android')
-    if arch == 'ia32':
-      return os.path.join(android_toolchain, 'i686-linux-android')
-    if arch == 'x64':
-      return os.path.join(android_toolchain, 'x86_64-linux-android')
-
-  # If no cross compiler is specified, only try to figure one out on Linux.
-  if not HOST_OS in ['linux']:
-    raise Exception('Unless --toolchain is used cross-building is only '
-                    'supported on Linux.')
-
-  # For ARM Linux, by default use the Linux distribution's cross-compiler.
-  if arch == 'arm' or arch == 'armsimdbc':
-    # To use a non-hf compiler, specify on the command line with --toolchain.
-    return (DEFAULT_ARM_CROSS_COMPILER_PATH + "/arm-linux-gnueabihf")
-  if arch == 'arm64':
-    return (DEFAULT_ARM_CROSS_COMPILER_PATH + "/aarch64-linux-gnu")
-
-  return None
-
-
-def SetTools(arch, target_os, options):
-  toolsOverride = None
-
-  toolchainprefix = GetToolchainPrefix(target_os, arch, options)
-
-  # Override the Android toolchain's linker to handle some complexity in the
-  # linker arguments that gyp has trouble with.
-  linker = ""
-  if target_os == 'android':
-    linker = os.path.join(DART_ROOT, 'tools', 'android_link.py')
-  elif toolchainprefix:
-    linker = toolchainprefix + "-g++"
-
-  if toolchainprefix:
-    toolsOverride = {
-      "CC.target"  :  toolchainprefix + "-gcc",
-      "CXX.target" :  toolchainprefix + "-g++",
-      "AR.target"  :  toolchainprefix + "-ar",
-      "LINK.target":  linker,
-      "NM.target"  :  toolchainprefix + "-nm",
-    }
-  return toolsOverride
-
-
-def CheckDirExists(path, docstring):
-  if not os.path.isdir(path):
-    raise Exception('Could not find %s directory %s'
-          % (docstring, path))
-
-
-def GetAndroidToolchainDir(host_os, target_arch):
-  global THIRD_PARTY_ROOT
-  if host_os not in ['linux']:
-    raise Exception('Unsupported host os %s' % host_os)
-  if target_arch not in ['ia32', 'x64', 'arm', 'arm64', 'simdbc', 'simdbc64']:
-    raise Exception('Unsupported target architecture %s' % target_arch)
-
-  # Set up path to the Android NDK.
-  CheckDirExists(THIRD_PARTY_ROOT, 'third party tools')
-  android_tools = os.path.join(THIRD_PARTY_ROOT, 'android_tools')
-  CheckDirExists(android_tools, 'Android tools')
-  android_ndk_root = os.path.join(android_tools, 'ndk')
-  CheckDirExists(android_ndk_root, 'Android NDK')
-
-  # Set up the directory of the Android NDK cross-compiler toolchain.
-  toolchain_arch = 'arm-linux-androideabi-4.9'
-  if target_arch == 'arm64' or target_arch == 'simdbc64':
-    toolchain_arch = 'aarch64-linux-android-4.9'
-  if target_arch == 'ia32':
-    toolchain_arch = 'x86-4.9'
-  if target_arch == 'x64':
-    toolchain_arch = 'x86_64-4.9'
-  toolchain_dir = 'linux-x86_64'
-  android_toolchain = os.path.join(android_ndk_root,
-      'toolchains', toolchain_arch,
-      'prebuilt', toolchain_dir, 'bin')
-  CheckDirExists(android_toolchain, 'Android toolchain')
-
-  return android_toolchain
-
-
-def Execute(args):
-  process = subprocess.Popen(args)
-  process.wait()
-  if process.returncode != 0:
-    raise Exception(args[0] + " failed")
-
-
-def CurrentDirectoryBaseName():
-  """Returns the name of the current directory"""
-  return os.path.relpath(os.curdir, start=os.pardir)
-
 
-def FilterEmptyXcodebuildSections(process):
-  """
-  Filter output from xcodebuild so empty sections are less verbose.
-
-  The output from xcodebuild looks like this:
-
-Build settings from command line:
-    SYMROOT = .../xcodebuild
-
-=== BUILD TARGET samples OF PROJECT dart WITH CONFIGURATION ...
-
-Check dependencies
-
-=== BUILD AGGREGATE TARGET upload_sdk OF PROJECT dart WITH CONFIGURATION ...
-
-Check dependencies
-
-PhaseScriptExecution "Action \"upload_sdk_py\"" xcodebuild/dart.build/...
-    cd ...
-    /bin/sh -c .../xcodebuild/dart.build/ReleaseIA32/upload_sdk.build/...
-
-
-** BUILD SUCCEEDED **
-
-  """
-
-  def is_empty_chunk(input):
-    empty_chunk = ['', 'Check dependencies', '']
-    return not input or (len(input) == 4 and input[1:] == empty_chunk)
-
-  def unbuffered(callable):
-    # Use iter to disable buffering in for-in.
-    return iter(callable, '')
-
-  section = None
-  chunk = []
-  # Is stdout a terminal which supports colors?
-  is_fancy_tty = False
-  clr_eol = None
-  if sys.stdout.isatty():
-    term = os.getenv('TERM', 'dumb')
-    # The capability "clr_eol" means clear the line from cursor to end
-    # of line.  See man pages for tput and terminfo.
-    try:
-      with open('/dev/null', 'a') as dev_null:
-        clr_eol = subprocess.check_output(['tput', '-T' + term, 'el'],
-                                          stderr=dev_null)
-      if clr_eol:
-        is_fancy_tty = True
-    except subprocess.CalledProcessError:
-      is_fancy_tty = False
-    except AttributeError:
-      is_fancy_tty = False
-  pattern = re.compile(r'=== BUILD.* TARGET (.*) OF PROJECT (.*) WITH ' +
-                       r'CONFIGURATION (.*) ===')
-  has_interesting_info = False
-  for line in unbuffered(process.stdout.readline):
-    line = line.rstrip()
-    if line.startswith('=== BUILD ') or line.startswith('** BUILD '):
-      has_interesting_info = False
-      section = line
-      if is_fancy_tty:
-        match = re.match(pattern, section)
-        if match:
-          section = '%s/%s/%s' % (
-            match.group(3), match.group(2), match.group(1))
-        # Truncate to avoid extending beyond 80 columns.
-        section = section[:80]
-        # If stdout is a terminal, emit "progress" information.  The
-        # progress information is the first line of the current chunk.
-        # After printing the line, move the cursor back to the
-        # beginning of the line.  This has two effects: First, if the
-        # chunk isn't empty, the first line will be overwritten
-        # (avoiding duplication).  Second, the next segment line will
-        # overwrite it too avoid long scrollback.  clr_eol ensures
-        # that there is no trailing garbage when a shorter line
-        # overwrites a longer line.
-        print '%s%s\r' % (clr_eol, section),
-      chunk = []
-    if not section or has_interesting_info:
-      print line
-    else:
-      length = len(chunk)
-      if length == 2 and line != 'Check dependencies':
-        has_interesting_info = True
-      elif (length == 1 or length == 3) and line:
-        has_interesting_info = True
-      elif length > 3:
-        has_interesting_info = True
-      if has_interesting_info:
-        print '\n'.join(chunk)
-        chunk = []
-      else:
-        chunk.append(line)
-  if not is_empty_chunk(chunk):
-    print '\n'.join(chunk)
-
-
-def NotifyBuildDone(build_config, success, start):
-  if not success:
-    print "BUILD FAILED"
-
-  sys.stdout.flush()
-
-  # Display a notification if build time exceeded DART_BUILD_NOTIFICATION_DELAY.
-  notification_delay = float(
-    os.getenv('DART_BUILD_NOTIFICATION_DELAY', sys.float_info.max))
-  if (time.time() - start) < notification_delay:
-    return
-
-  if success:
-    message = 'Build succeeded.'
-  else:
-    message = 'Build failed.'
-  title = build_config
-
-  command = None
-  if HOST_OS == 'macos':
-    # Use AppleScript to display a UI non-modal notification.
-    script = 'display notification  "%s" with title "%s" sound name "Glass"' % (
-      message, title)
-    command = "osascript -e '%s' &" % script
-  elif HOST_OS == 'linux':
-    if success:
-      icon = 'dialog-information'
-    else:
-      icon = 'dialog-error'
-    command = "notify-send -i '%s' '%s' '%s' &" % (icon, message, title)
-  elif HOST_OS == 'win32':
-    if success:
-      icon = 'info'
-    else:
-      icon = 'error'
-    command = ("powershell -command \""
-      "[reflection.assembly]::loadwithpartialname('System.Windows.Forms')"
-        "| Out-Null;"
-      "[reflection.assembly]::loadwithpartialname('System.Drawing')"
-        "| Out-Null;"
-      "$n = new-object system.windows.forms.notifyicon;"
-      "$n.icon = [system.drawing.systemicons]::information;"
-      "$n.visible = $true;"
-      "$n.showballoontip(%d, '%s', '%s', "
-      "[system.windows.forms.tooltipicon]::%s);\"") % (
-        5000, # Notification stays on for this many milliseconds
-        message, title, icon)
-
-  if command:
-    # Ignore return code, if this command fails, it doesn't matter.
-    os.system(command)
-
-
-def RunGN(target_os, mode, arch):
-  gn_os = 'host' if target_os == HOST_OS else target_os
-  gn_command = [
-    'python',
-    os.path.join(DART_ROOT, 'tools', 'gn.py'),
-    '-m', mode,
-    '-a', arch,
-    '--os', gn_os,
-    '-v',
-  ]
-  process = subprocess.Popen(gn_command)
-  process.wait()
-  if process.returncode != 0:
-    print ("Tried to run GN, but it failed. Try running it manually: \n\t$ " +
-           ' '.join(gn_command))
-
-
-def ShouldRunGN(out_dir):
-  return (not os.path.exists(out_dir) or
-          not os.path.isfile(os.path.join(out_dir, 'args.gn')))
-
-
-def UseGoma(out_dir):
-  args_gn = os.path.join(out_dir, 'args.gn')
-  return 'use_goma = true' in open(args_gn, 'r').read()
-
-
-# Try to start goma, but don't bail out if we can't. Instead print an error
-# message, and let the build fail with its own error messages as well.
-def EnsureGomaStarted(out_dir):
-  args_gn_path = os.path.join(out_dir, 'args.gn')
-  goma_dir = None
-  with open(args_gn_path, 'r') as fp:
-    for line in fp:
-      if 'goma_dir' in line:
-        words = line.split()
-        goma_dir = words[2][1:-1]  # goma_dir = "/path/to/goma"
-  if not goma_dir:
-    print 'Could not find goma for ' + out_dir
-    return False
-  if not os.path.exists(goma_dir) or not os.path.isdir(goma_dir):
-    print 'Could not find goma at ' + goma_dir
-    return False
-  goma_ctl = os.path.join(goma_dir, 'goma_ctl.py')
-  goma_ctl_command = [
-    'python',
-    goma_ctl,
-    'ensure_start',
-  ]
-  process = subprocess.Popen(goma_ctl_command)
-  process.wait()
-  if process.returncode != 0:
-    print ("Tried to run goma_ctl.py, but it failed. Try running it manually: "
-           + "\n\t" + ' '.join(goma_ctl_command))
-    return False
-  return True
-
-
-
-def BuildNinjaCommand(options, target, target_os, mode, arch):
-  out_dir = utils.GetBuildRoot(HOST_OS, mode, arch, target_os)
-  if ShouldRunGN(out_dir):
-    RunGN(target_os, mode, arch)
-  command = ['ninja', '-C', out_dir]
-  if options.verbose:
-    command += ['-v']
-  if UseGoma(out_dir):
-    if EnsureGomaStarted(out_dir):
-      command += ['-j1000']
-    else:
-      # If we couldn't ensure that goma is started, let the build start, but
-      # slowly so we can see any helpful error messages that pop out.
-      command += ['-j1']
-  command += [target]
-  return command
-
-
-filter_xcodebuild_output = False
-def BuildOneConfig(options, target, target_os, mode, arch):
-  global filter_xcodebuild_output
-  start_time = time.time()
-  args = []
-  build_config = utils.GetBuildConf(mode, arch, target_os)
-  if not options.gyp:
-    args = BuildNinjaCommand(options, target, target_os, mode, arch)
-  else:
-    os.environ['DART_BUILD_MODE'] = mode
-    if HOST_OS == 'macos':
-      filter_xcodebuild_output = True
-      project_file = 'dart.xcodeproj'
-      if os.path.exists('dart-%s.gyp' % CurrentDirectoryBaseName()):
-        project_file = 'dart-%s.xcodeproj' % CurrentDirectoryBaseName()
-      if target == 'all':
-        target = 'All'
-      args = ['xcodebuild',
-              '-project',
-              project_file,
-              '-target',
-              target,
-              '-configuration',
-              build_config,
-              'SYMROOT=%s' % os.path.abspath('xcodebuild')
-              ]
-    elif HOST_OS == 'win32':
-      project_file = 'dart.sln'
-      if os.path.exists('dart-%s.gyp' % CurrentDirectoryBaseName()):
-        project_file = 'dart-%s.sln' % CurrentDirectoryBaseName()
-      # Select a platform suffix to pass to devenv.
-      if arch == 'ia32':
-        platform_suffix = 'Win32'
-      elif arch == 'x64':
-        platform_suffix = 'x64'
-      else:
-        print 'Unsupported arch for MSVC build: %s' % arch
-        return 1
-      config_name = '%s|%s' % (build_config, platform_suffix)
-      if target == 'all':
-        args = [options.devenv + os.sep + options.executable,
-                '/build',
-                config_name,
-                project_file
-               ]
-      else:
-        args = [options.devenv + os.sep + options.executable,
-                '/build',
-                config_name,
-                '/project',
-                target,
-                project_file
-               ]
-    else:
-      make = 'make'
-      if HOST_OS == 'freebsd':
-        make = 'gmake'
-        # work around lack of flock
-        os.environ['LINK'] = '$(CXX)'
-      args = [make,
-              '-j',
-              options.j,
-              'BUILDTYPE=' + build_config,
-              ]
-      if target_os != HOST_OS:
-        args += ['builddir_name=' + utils.GetBuildDir(HOST_OS)]
-      if options.verbose:
-        args += ['V=1']
-
-      args += [target]
-
-    toolsOverride = None
-    if override_tools:
-      toolsOverride = SetTools(arch, target_os, options)
-    if toolsOverride:
-      for k, v in toolsOverride.iteritems():
-        args.append(  k + "=" + v)
-        if options.verbose:
-          print k + " = " + v
-      if not os.path.isfile(toolsOverride['CC.target']):
-        if arch == 'arm':
-          print arm_cc_error
-        else:
-          print "Couldn't find compiler: %s" % toolsOverride['CC.target']
-        return 1
-
-  print ' '.join(args)
-  process = None
-  if filter_xcodebuild_output:
-    process = subprocess.Popen(args,
-                               stdin=None,
-                               bufsize=1, # Line buffered.
-                               stdout=subprocess.PIPE,
-                               stderr=subprocess.STDOUT)
-    FilterEmptyXcodebuildSections(process)
-  else:
-    process = subprocess.Popen(args, stdin=None)
-  process.wait()
-  if process.returncode != 0:
-    NotifyBuildDone(build_config, success=False, start=start_time)
-    return 1
-  else:
-    NotifyBuildDone(build_config, success=True, start=start_time)
-
-  return 0
-
-
-def Main():
-  utils.ConfigureJava()
-  # Parse the options.
-  parser = BuildOptions()
-  (options, args) = parser.parse_args()
-  if not ProcessOptions(options, args):
-    parser.print_help()
-    return 1
-  # Determine which targets to build. By default we build the "all" target.
-  if len(args) == 0:
-    targets = ['all']
-  else:
-    targets = args
-
-  # Build all targets for each requested configuration.
-  for target in targets:
-    for target_os in options.os:
-      for mode in options.mode:
-        for arch in options.arch:
-          if BuildOneConfig(options, target, target_os,
-                            mode, arch) != 0:
-            return 1
-
-  return 0
+# This script simply forwards to tools/ninja.py. It is retained simply to avoid
+# breaking various workflows.
 
+import ninja
+import sys
 
 if __name__ == '__main__':
-  sys.exit(Main())
+  sys.exit(ninja.Main())