| # 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. |
| |
| import("//build/config/chromeos/ui_mode.gni") |
| |
| assert(is_chromeos_ash) |
| |
| declare_args() { |
| # The location to a file used to dump symbols ordered by Call-Chain Clustering (C3) |
| # https://research.fb.com/wp-content/uploads/2017/01/cgo2017-hfsort-final1.pdf? |
| # to a file, used for generating orderfiles in Chrome OS |
| dump_call_chain_clustering_order = "" |
| } |
| |
| declare_args() { |
| # Whether or not we're using new pass manager to build and link Chrome |
| use_new_pass_manager = dump_call_chain_clustering_order != "" |
| } |
| |
| config("print_orderfile") { |
| if (dump_call_chain_clustering_order != "") { |
| _output_orderfile = |
| rebase_path(dump_call_chain_clustering_order, root_build_dir) |
| ldflags = [ "-Wl,--print-symbol-order=$_output_orderfile" ] |
| } |
| } |
| |
| config("compiler") { |
| if (use_new_pass_manager) { |
| cflags = [ "-fexperimental-new-pass-manager" ] |
| ldflags = [ "-fexperimental-new-pass-manager" ] |
| } |
| } |
