dart-sdk/build/dart_host_sdk_toolchain.gni

# Copyright (c) 2017, 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.

# dart_host_toolchain should be used in the Dart tree instead of host_toolchain.
# It will ensure that we are selecting the correct host toolchain.
dart_host_toolchain = host_toolchain

# Config variable: dart_host_sdk_toolchain
# In a cross-build, this should be set to the toolchain to use to build a Dart
# SDK to run on the host that targets the host. This is distinct from
# 'host_toolchain', which in a cross-build builds artifacts to run on the host
# that target the target architecture.
if (defined(dart_host_sdk_toolchain) && current_toolchain == dart_host_sdk_toolchain) {
  dart_host_toolchain = dart_host_sdk_toolchain
}