Removes files from //build that we don't need

build/gyp_helper.py

-# 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.
-
-# This file helps gyp_chromium and landmines correctly set up the gyp
-# environment from chromium.gyp_env on disk
-
-import os
-
-SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
-CHROME_SRC = os.path.dirname(SCRIPT_DIR)
-
-
-def apply_gyp_environment_from_file(file_path):
-  """Reads in a *.gyp_env file and applies the valid keys to os.environ."""
-  if not os.path.exists(file_path):
-    return
-  with open(file_path, 'rU') as f:
-    file_contents = f.read()
-  try:
-    file_data = eval(file_contents, {'__builtins__': None}, None)
-  except SyntaxError, e:
-    e.filename = os.path.abspath(file_path)
-    raise
-  supported_vars = (
-      'CC',
-      'CC_wrapper',
-      'CC.host_wrapper',
-      'CHROMIUM_GYP_FILE',
-      'CHROMIUM_GYP_SYNTAX_CHECK',
-      'CXX',
-      'CXX_wrapper',
-      'CXX.host_wrapper',
-      'GYP_DEFINES',
-      'GYP_GENERATOR_FLAGS',
-      'GYP_CROSSCOMPILE',
-      'GYP_GENERATOR_OUTPUT',
-      'GYP_GENERATORS',
-      'GYP_INCLUDE_FIRST',
-      'GYP_INCLUDE_LAST',
-      'GYP_MSVS_VERSION',
-  )
-  for var in supported_vars:
-    file_val = file_data.get(var)
-    if file_val:
-      if var in os.environ:
-        behavior = 'replaces'
-        if var == 'GYP_DEFINES':
-          result = file_val + ' ' + os.environ[var]
-          behavior = 'merges with, and individual components override,'
-        else:
-          result = os.environ[var]
-        print 'INFO: Environment value for "%s" %s value in %s' % (
-            var, behavior, os.path.abspath(file_path)
-        )
-        string_padding = max(len(var), len(file_path), len('result'))
-        print '      %s: %s' % (var.rjust(string_padding), os.environ[var])
-        print '      %s: %s' % (file_path.rjust(string_padding), file_val)
-        os.environ[var] = result
-      else:
-        os.environ[var] = file_val
-
-
-def apply_chromium_gyp_env():
-  if 'SKIP_CHROMIUM_GYP_ENV' not in os.environ:
-    # Update the environment based on chromium.gyp_env
-    path = os.path.join(os.path.dirname(CHROME_SRC), 'chromium.gyp_env')
-    apply_gyp_environment_from_file(path)