build/shim_headers.gni

# Copyright 2016 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
template("shim_headers") {
  action_name = "gen_${target_name}"
  config_name = "${target_name}_config"
  shim_headers_path = "${root_gen_dir}/shim_headers/${target_name}"
  config(config_name) {
    include_dirs = [ shim_headers_path ]
  }
  action(action_name) {
    script = "//tools/generate_shim_headers.py"
    args = [
      "--generate",
      "--headers-root",
      rebase_path(invoker.root_path),
      "--output-directory",
      rebase_path(shim_headers_path),
    ]
    if (defined(invoker.prefix)) {
      args += [
        "--prefix",
        invoker.prefix,
      ]
    }
    args += invoker.headers
    outputs = []
    foreach(h, invoker.headers) {
      outputs += [ shim_headers_path + "/" + rebase_path(invoker.root_path,"//") + "/" + h ]
    }
  }
  group(target_name) {
    deps = [ ":${action_name}" ]
    all_dependent_configs = [ ":${config_name}" ]
  }
}