| # Copyright 2024 The Chromium Authors |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| import("//build/toolchain/siso.gni") |
| |
| # Defines the configuration of Remote Build Execution (RBE). |
| |
| declare_args() { |
| # Deprecated: Please use reclient_bin_dir instead. |
| rbe_bin_dir = "" |
| |
| # Deprecated: Please use reclient_cfg_dir instead. |
| rbe_cfg_dir = "" |
| |
| # Deprecated: Please use reclient_cros_cc_wrapper instead. |
| rbe_cros_cc_wrapper = "" |
| |
| # Execution root - this should be the root of the source tree. |
| # This is defined here instead of in the config file because |
| # this will vary depending on where the user has placed the |
| # chromium source on their system. |
| rbe_exec_root = rebase_path("//") |
| |
| # Set to true to enable remote executions. |
| use_remoteexec = false |
| |
| # Set to true to enable remote linking using reclient. |
| use_reclient_links = false |
| } |
| |
| declare_args() { |
| # Use Reclient as the RBE client by default. |
| # Set to false to use Siso's builtin RBE client. |
| use_reclient = use_remoteexec |
| |
| # The directory where the re-client tooling binaries are. |
| if (rbe_bin_dir != "") { |
| if (current_toolchain == default_toolchain) { |
| print( |
| "WARNING: rbe_bin_dir is deprecated. Please use reclient_bin_dir instead.") |
| } |
| reclient_bin_dir = rbe_bin_dir |
| } else { |
| reclient_bin_dir = rebase_path("//buildtools/reclient", root_build_dir) |
| } |
| |
| # The directory where the re-client configuration files are. |
| if (rbe_cfg_dir != "") { |
| if (current_toolchain == default_toolchain) { |
| print( |
| "WARNING: rbe_cfg_dir is deprecated. Please use reclient_cfg_dir instead.") |
| } |
| reclient_cfg_dir = rbe_cfg_dir |
| } else { |
| reclient_cfg_dir = "//buildtools/reclient_cfgs" |
| } |
| } |
| |
| # Check if any unsupported combination is specified. |
| if (use_reclient) { |
| assert(use_remoteexec, "Can't enable Reclient when use_remoteexec is false") |
| } |
| if (use_remoteexec) { |
| assert( |
| use_reclient || use_siso, |
| "Either use_reclient or use_siso needs to be true to enable remote executions") |
| } |
| |
| declare_args() { |
| # Set to the path of the RBE reclient configuration files. |
| # Configuration file selection based on operating system. |
| if (!use_reclient) { |
| reclient_cc_cfg_file = "" |
| reclient_link_cfg_file = "" |
| reclient_py_cfg_file = "" |
| reclient_py_large_cfg_file = "" |
| } else if (host_os == "linux") { |
| reclient_py_cfg_file = rebase_path(reclient_cfg_dir, root_build_dir) + |
| "/python/rewrapper_linux.cfg" |
| reclient_py_large_cfg_file = rebase_path(reclient_cfg_dir, root_build_dir) + |
| "/python/rewrapper_linux_large.cfg" |
| reclient_cc_cfg_file = rebase_path(reclient_cfg_dir, root_build_dir) + |
| "/chromium-browser-clang/rewrapper_linux.cfg" |
| reclient_link_cfg_file = rebase_path(reclient_cfg_dir, root_build_dir) + |
| "/chromium-browser-clang/rewrapper_linux_link.cfg" |
| } else if (host_os == "win") { |
| reclient_py_cfg_file = rebase_path(reclient_cfg_dir, root_build_dir) + |
| "/python/rewrapper_windows.cfg" |
| reclient_py_large_cfg_file = rebase_path(reclient_cfg_dir, root_build_dir) + |
| "/python/rewrapper_windows_large.cfg" |
| reclient_cc_cfg_file = rebase_path(reclient_cfg_dir, root_build_dir) + |
| "/chromium-browser-clang/rewrapper_windows.cfg" |
| reclient_link_cfg_file = "" |
| } else if (host_os == "mac") { |
| reclient_py_cfg_file = rebase_path(reclient_cfg_dir, root_build_dir) + |
| "/python/rewrapper_mac.cfg" |
| reclient_py_large_cfg_file = rebase_path(reclient_cfg_dir, root_build_dir) + |
| "/python/rewrapper_mac_large.cfg" |
| reclient_cc_cfg_file = rebase_path(reclient_cfg_dir, root_build_dir) + |
| "/chromium-browser-clang/rewrapper_mac.cfg" |
| reclient_link_cfg_file = "" |
| } else { |
| reclient_cc_cfg_file = "" |
| reclient_link_cfg_file = "" |
| reclient_py_cfg_file = "" |
| reclient_py_large_cfg_file = "" |
| } |
| |
| if (use_reclient) { |
| # TODO: crbug.com/342270134 - Rename reclient_cros_cc_wrapper to reclient_cros_cc_wrapper. |
| # Note that reclient_cros_cc_wrapper is referenced by CrOS's chromite. |
| # Set to the path of the RBE recleint wrapper for ChromeOS. |
| if (rbe_cros_cc_wrapper != "") { |
| if (current_toolchain == default_toolchain) { |
| print( |
| "WARNING: rbe_cros_cc_wrapper is deprecated. Please use reclient_cros_cc_wrapper instead.") |
| } |
| reclient_cros_cc_wrapper = rbe_cros_cc_wrapper |
| } else { |
| reclient_cros_cc_wrapper = "${reclient_bin_dir}/rewrapper" |
| } |
| } else { |
| reclient_cros_cc_wrapper = "" |
| } |
| } |
| |
| if (use_reclient && current_toolchain == default_toolchain) { |
| # Check existence of reclient configs and show user friendly error message if |
| # it doesn't. |
| exec_script(rebase_path("//build/toolchain/check_rewrapper_cfg.py"), |
| [ reclient_cc_cfg_file ], |
| "", |
| [ rebase_path(reclient_cc_cfg_file, ".", root_build_dir) ]) |
| } |
| |
| if (is_win) { |
| if (use_reclient_links) { |
| print("For now, remote linking is not available for Windows.") |
| use_reclient_links = false |
| } |
| } |
| if (is_mac || is_ios) { |
| if (use_reclient_links) { |
| print("For now, remote linking is not available on Macs.") |
| use_reclient_links = false |
| } |
| } |
| |
| # TODO(crbug.com/326584510): Reclient does not upload `inputs` from C/C++ |
| # targets. This file is added to `inputs` for all C targets in |
| # //build/config/BUILDCONFIG.gn. We work around the bug in Reclient by |
| # specifying the file here. |
| # |
| # This is a comma-delimited list of paths relative to the source tree root. The |
| # leading space is important, if the string is non-empty. :) |
| rbe_bug_326584510_missing_inputs = "" |
| if (defined(clang_unsafe_buffers_paths) && |
| "$clang_unsafe_buffers_paths" != "") { |
| from_exec_root = rebase_path(clang_unsafe_buffers_paths, rbe_exec_root) |
| rbe_bug_326584510_missing_inputs = " -inputs=$from_exec_root" |
| } |