Use find_depot_tools.py and vs_toolchain.py from chromium/src/build/

build/vs_toolchain.py

-# Copyright 2014 The Native Client 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 json
-import os
-import pipes
-import shutil
-import subprocess
-import sys
-
-
-script_dir = os.path.dirname(os.path.realpath(__file__))
-nacl_dir = os.path.dirname(script_dir)
-root_dir = os.path.dirname(nacl_dir)
-sys.path.insert(1, os.path.join(root_dir, 'tools'))
-sys.path.insert(0, os.path.join(root_dir, 'tools', 'gyp', 'pylib'))
-json_data_file = os.path.join(script_dir, 'win_toolchain.json')
-
-
-import gyp
-
-
-def SetEnvironmentAndGetRuntimeDllDirs():
-  """Sets up os.environ to use the depot_tools VS toolchain with gyp, and
-  returns the location of the VS runtime DLLs so they can be copied into
-  the output directory after gyp generation.
-  """
-  vs2013_runtime_dll_dirs = None
-  depot_tools_win_toolchain = \
-      bool(int(os.environ.get('DEPOT_TOOLS_WIN_TOOLCHAIN', '1')))
-  if sys.platform in ('win32', 'cygwin') and depot_tools_win_toolchain:
-    with open(json_data_file, 'r') as tempf:
-      toolchain_data = json.load(tempf)
-
-    toolchain = toolchain_data['path']
-    version = toolchain_data['version']
-    version_is_pro = version[-1] != 'e'
-    win8sdk = toolchain_data['win8sdk']
-    wdk = toolchain_data['wdk']
-    # TODO(scottmg): The order unfortunately matters in these. They should be
-    # split into separate keys for x86 and x64. (See CopyVsRuntimeDlls call
-    # below). http://crbug.com/345992
-    vs2013_runtime_dll_dirs = toolchain_data['runtime_dirs']
-
-    os.environ['GYP_MSVS_OVERRIDE_PATH'] = toolchain
-    os.environ['GYP_MSVS_VERSION'] = version
-    # We need to make sure windows_sdk_path is set to the automated
-    # toolchain values in GYP_DEFINES, but don't want to override any
-    # otheroptions.express
-    # values there.
-    gyp_defines_dict = gyp.NameValueListToDict(gyp.ShlexEnv('GYP_DEFINES'))
-    gyp_defines_dict['windows_sdk_path'] = win8sdk
-    os.environ['GYP_DEFINES'] = ' '.join('%s=%s' % (k, pipes.quote(str(v)))
-        for k, v in gyp_defines_dict.iteritems())
-    os.environ['WINDOWSSDKDIR'] = win8sdk
-    os.environ['WDK_DIR'] = wdk
-    # Include the VS runtime in the PATH in case it's not machine-installed.
-    runtime_path = ';'.join(vs2013_runtime_dll_dirs)
-    os.environ['PATH'] = runtime_path + ';' + os.environ['PATH']
-  return vs2013_runtime_dll_dirs
-
-
-def CopyVsRuntimeDlls(output_dir, runtime_dirs):
-  """Copies the VS runtime DLLs from the given |runtime_dirs| to the output
-  directory so that even if not system-installed, built binaries are likely to
-  be able to run.
-
-  This needs to be run after gyp has been run so that the expected target
-  output directories are already created.
-  """
-  assert sys.platform.startswith(('win32', 'cygwin'))
-
-  def copy_runtime(target_dir, source_dir, dll_pattern):
-    """Copy both the msvcr and msvcp runtime DLLs, only if the target doesn't
-    exist, but the target directory does exist."""
-    for which in ('p', 'r'):
-      dll = dll_pattern % which
-      target = os.path.join(target_dir, dll)
-      source = os.path.join(source_dir, dll)
-      # If gyp generated to that output dir, and the runtime isn't already
-      # there, then copy it over.
-      if (os.path.isdir(target_dir) and
-          (not os.path.isfile(target) or
-            os.stat(target).st_mtime != os.stat(source).st_mtime)):
-        print 'Copying %s to %s...' % (source, target)
-        if os.path.exists(target):
-          os.unlink(target)
-        shutil.copy2(source, target)
-
-  x86, x64 = runtime_dirs
-  out_debug = os.path.join(output_dir, 'Debug')
-  out_debug_nacl64 = os.path.join(output_dir, 'Debug', 'x64')
-  out_release = os.path.join(output_dir, 'Release')
-  out_release_nacl64 = os.path.join(output_dir, 'Release', 'x64')
-  out_debug_x64 = os.path.join(output_dir, 'Debug_x64')
-  out_release_x64 = os.path.join(output_dir, 'Release_x64')
-
-  if os.path.exists(out_debug) and not os.path.exists(out_debug_nacl64):
-    os.makedirs(out_debug_nacl64)
-  if os.path.exists(out_release) and not os.path.exists(out_release_nacl64):
-    os.makedirs(out_release_nacl64)
-  copy_runtime(out_debug,          x86, 'msvc%s120d.dll')
-  copy_runtime(out_release,        x86, 'msvc%s120.dll')
-  copy_runtime(out_debug_x64,      x64, 'msvc%s120d.dll')
-  copy_runtime(out_release_x64,    x64, 'msvc%s120.dll')
-  copy_runtime(out_debug_nacl64,   x64, 'msvc%s120d.dll')
-  copy_runtime(out_release_nacl64, x64, 'msvc%s120.dll')
-
-
-def _GetDesiredVsToolchainHashes():
-  """Load a list of SHA1s corresponding to the toolchains that we want installed
-  to build with."""
-  sha1path = os.path.join(script_dir, 'toolchain_vs2013.hash')
-  with open(sha1path, 'rb') as f:
-    return f.read().strip().splitlines()
-
-
-def Update():
-  """Requests an update of the toolchain to the specific hashes we have at
-  this revision. The update outputs a .json of the various configuration
-  information required to pass to gyp which we use in |GetToolchainDir()|.
-  """
-  depot_tools_win_toolchain = \
-      bool(int(os.environ.get('DEPOT_TOOLS_WIN_TOOLCHAIN', '1')))
-  if sys.platform in ('win32', 'cygwin') and depot_tools_win_toolchain:
-    import find_depot_tools
-    depot_tools_path = find_depot_tools.FindDepotTools()
-    json_data_file = os.path.join(script_dir, 'win_toolchain.json')
-    get_toolchain_args = [
-        sys.executable,
-        os.path.join(depot_tools_path,
-                    'win_toolchain',
-                    'get_toolchain_if_necessary.py'),
-        '--output-json', json_data_file,
-      ] + _GetDesiredVsToolchainHashes()
-    subprocess.check_call(get_toolchain_args)
-
-  return 0
-
-
-def GetToolchainDir():
-  """Gets location information about the current toolchain (must have been
-  previously updated by 'update'). This is used for the GN build."""
-  SetEnvironmentAndGetRuntimeDllDirs()
-  print '''vs_path = "%s"
-sdk_path = "%s"
-vs_version = "%s"
-wdk_dir = "%s"
-''' % (
-      os.environ['GYP_MSVS_OVERRIDE_PATH'],
-      os.environ['WINDOWSSDKDIR'],
-      os.environ['GYP_MSVS_VERSION'],
-      os.environ['WDK_DIR'])
-
-
-def main():
-  if not sys.platform.startswith(('win32', 'cygwin')):
-    return 0
-  commands = {
-      'update': Update,
-      'get_toolchain_dir': GetToolchainDir,
-      # TODO(scottmg): Add copy_dlls for GN builds (gyp_chromium calls
-      # CopyVsRuntimeDlls via import, currently).
-  }
-  if len(sys.argv) < 2 or sys.argv[1] not in commands:
-    print >>sys.stderr, 'Expected one of: %s' % ', '.join(commands)
-    return 1
-  return commands[sys.argv[1]]()
-
-
-if __name__ == '__main__':
-  sys.exit(main())