# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
#
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# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
#    conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright notice, this list
#    of conditions and the following disclaimer in the documentation and/or other materials
#    provided with the distribution.
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# 3. Neither the name of the copyright holder nor the names of its contributors may be used
#    to endorse or promote products derived from this software without specific prior written
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import("$root_out_dir/config.gni")

LITEOSTOPDIR = "//kernel/liteos_a"
LITEOSTHIRDPARTY = "//third_party"
HDFTOPDIR = "//drivers/adapter/khdf/liteos"

ARCH = ""
if (defined(LOSCFG_ARCH_ARM_AARCH32)) {
  ARCH = "arm"
} else if (defined(LOSCFG_ARCH_ARM_AARCH64)) {
  ARCH = "aarch64"
}

template("kernel_module") {
  current_dir_name = get_path_info(rebase_path("."), "file")
  if (target_name != current_dir_name) {
    build_gn = rebase_path("BUILD.gn")
    cmd = "if grep -q '^\s*group\s*(\s*\"$current_dir_name\"\s*)\s*{\s*\$' $build_gn; then echo true; else echo false; fi"
    has_current_dir_group =
        exec_script("//build/lite/run_shell_cmd.py", [ cmd ], "value")
    if (!has_current_dir_group) {
      module_name = target_name
      group(current_dir_name) {
        public_deps = [ ":$module_name" ]
      }
    }
  }
  if (defined(invoker.module_switch) && !invoker.module_switch) {
    group(target_name) {
      not_needed(invoker, "*")
    }
  } else {
    source_set(target_name) {
      forward_variables_from(invoker, "*")
    }
  }
}

template("config") {
  config(target_name) {
    if (defined(invoker.module_switch) && !invoker.module_switch &&
        target_name == "public") {
      not_needed(invoker, "*")
      forward_variables_from(invoker, [ "configs" ])
    } else {
      forward_variables_from(invoker, "*")
    }
  }
}

set_defaults("kernel_module") {
  configs = [
    "$LITEOSTOPDIR:public",
    "$LITEOSTOPDIR:los_config",
  ]
}