|  | # Copyright 2018 Google Inc. | 
|  | # | 
|  | # Licensed under the Apache License, Version 2.0 (the "License"); | 
|  | # you may not use this file except in compliance with the License. | 
|  | # You may obtain a copy of the License at | 
|  | # | 
|  | #     https://www.apache.org/licenses/LICENSE-2.0 | 
|  | # | 
|  | # Unless required by applicable law or agreed to in writing, software | 
|  | # distributed under the License is distributed on an "AS IS" BASIS, | 
|  | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
|  | # See the License for the specific language governing permissions and | 
|  | # limitations under the License. | 
|  |  | 
|  | # Variable that can be used to support multiple build scenarios, like having | 
|  | # Chromium specific targets in a client project's GN file etc. | 
|  | build_with_chromium = false | 
|  |  | 
|  | # Don't use Chromium's third_party/binutils. | 
|  | linux_use_bundled_binutils_override = false | 
|  |  | 
|  | declare_args() { | 
|  | # Android 32-bit non-component, non-clang builds cannot have symbol_level=2 | 
|  | # due to 4GiB file size limit, see https://crbug.com/648948. | 
|  | # Set this flag to true to skip the assertion. | 
|  | ignore_elf32_limitations = false | 
|  |  | 
|  | # Use the system install of Xcode for tools like ibtool, libtool, etc. | 
|  | # This does not affect the compiler. When this variable is false, targets will | 
|  | # instead use a hermetic install of Xcode. [The hermetic install can be | 
|  | # obtained with gclient sync after setting the environment variable | 
|  | # FORCE_MAC_TOOLCHAIN]. | 
|  | use_system_xcode = "" | 
|  | } | 
|  |  | 
|  | if (use_system_xcode == "") { | 
|  | if (target_os == "mac") { | 
|  | _result = exec_script("//build/mac/should_use_hermetic_xcode.py", | 
|  | [ target_os ], | 
|  | "value") | 
|  | use_system_xcode = _result == 0 | 
|  | } | 
|  | if (target_os == "ios") { | 
|  | use_system_xcode = true | 
|  | } | 
|  | } |