# Copyright 2014 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import("//chromium/build/config/c++/c++.gni")
import("//chromium/build/toolchain/rbe.gni")
import("//chromium/build/toolchain/siso.gni")
import("//chromium/build/toolchain/toolchain.gni")

default_clang_base_path = "//third_party/llvm-build/Release+Asserts"

declare_args() {
  # Indicates if the build should use the Chrome-specific plugins for enforcing
  # coding guidelines, etc. Only used when compiling with Chrome's Clang, not
  # Chrome OS's.
  clang_use_chrome_plugins =
      is_clang && !is_nacl && current_os != "zos" &&
      default_toolchain != "//chromium/build/toolchain/cros:target" &&
      # TODO(https://crbug.com/351909443): Remove this after fixing performance
      # of Clang modules build.
      !use_libcxx_modules

  # Use this instead of clang_use_chrome_plugins to enable just the raw-ptr-plugin.
  clang_use_raw_ptr_plugin = false

  enable_check_raw_ptr_fields =
      build_with_chromium && !is_official_build &&
      ((is_linux && !is_castos) || (is_android && !is_cast_android) || is_mac ||
       is_ios || is_win || is_chromeos)

  # TODO(crbug.com/40268473): Merge with enable_check_raw_ptr_fields once both
  # checks are activated on the same set of platforms.
  enable_check_raw_ref_fields =
      build_with_chromium && !is_official_build &&
      ((is_linux && !is_castos) || (is_android && !is_cast_android) || is_win ||
       is_mac || is_ios || is_chromeos)

  clang_base_path = default_clang_base_path

  # Specifies whether or not bitcode should be embedded during compilation.
  # This is used for creating a MLGO corpus from Chromium in the non-ThinLTO case.
  clang_embed_bitcode = false

  # Set to true to enable output of ThinLTO index and import files used for
  # creating a Chromium MLGO corpus in the ThinLTO case.
  lld_emit_indexes_and_imports = false
}

# We don't really need to collect a corpus for the host tools, just for the target.
lld_emit_indexes_and_imports =
    lld_emit_indexes_and_imports && is_a_target_toolchain

# TODO(crbug.com/326584510): Reclient does not upload `inputs` from C/C++
# targets. We work around the bug in Reclient by
# specifying the files here.
rbe_bug_326584510_missing_input_list = []
if (clang_use_chrome_plugins && defined(clang_unsafe_buffers_paths) &&
    "$clang_unsafe_buffers_paths" != "") {
  if (rbe_exec_root != rebase_path("//")) {
    assert(!use_siso, "Can't use non-default rbe_exec_root with siso.")
  }
  rbe_bug_326584510_missing_input_list +=
      [ rebase_path(clang_unsafe_buffers_paths, rbe_exec_root) ]
}
if (defined(clang_warning_suppression_file) &&
    "$clang_warning_suppression_file" != "") {
  if (rbe_exec_root != rebase_path("//")) {
    assert(!use_siso, "Can't use non-default rbe_exec_root with siso.")
  }
  rbe_bug_326584510_missing_input_list +=
      [ rebase_path(clang_warning_suppression_file, rbe_exec_root) ]
}

# The leading space is important, if the string is non-empty.
rbe_bug_326584510_missing_inputs =
    " -inputs=" + string_join(",", rbe_bug_326584510_missing_input_list)