| # Copyright 2019 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. | 
 |  | 
 | if (target_os == "") { | 
 |   target_os = "ios" | 
 | } | 
 | if (target_cpu == "") { | 
 |   target_cpu = host_cpu | 
 | } | 
 | if (current_cpu == "") { | 
 |   current_cpu = target_cpu | 
 | } | 
 | if (current_os == "") { | 
 |   current_os = target_os | 
 | } | 
 |  | 
 | # All binary targets will get this list of configs by default. | 
 | _shared_binary_target_configs = [ "//build:compiler" ] | 
 |  | 
 | # Apply that default list to the binary target types. | 
 | set_defaults("executable") { | 
 |   configs = _shared_binary_target_configs | 
 |   configs += [ "//build:shared_binary" ] | 
 | } | 
 | set_defaults("static_library") { | 
 |   configs = _shared_binary_target_configs | 
 | } | 
 | set_defaults("shared_library") { | 
 |   configs = _shared_binary_target_configs | 
 |   configs += [ "//build:shared_binary" ] | 
 | } | 
 | set_defaults("source_set") { | 
 |   configs = _shared_binary_target_configs | 
 | } | 
 |  | 
 | set_default_toolchain("//build/toolchain/$target_os:clang_$target_cpu") | 
 |  | 
 | if (target_os == "ios") { | 
 |   host_toolchain = "//build/toolchain/$host_os:clang_$host_cpu" | 
 | } else { | 
 |   host_toolchain = default_toolchain | 
 | } |