| # 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. |
| |
| import("//build/toolchain/cc_wrapper.gni") |
| import("//build/toolchain/rbe.gni") |
| import("//build/toolchain/siso.gni") |
| |
| declare_args() { |
| # Precompiled header file support is by default available, except on the |
| # following scenarios: |
| # - Remote executions or when doing official builds. |
| # - When using cc_wrapper because ccache requires a particular configuration |
| # and some compiler options currently not used by Chromium: |
| # https://ccache.dev/manual/latest.html#_precompiled_headers and it isn't |
| # supported by sccache: https://github.com/mozilla/sccache/issues/978. |
| # - On Linux it slows down the build. |
| enable_precompiled_headers = |
| !is_official_build && !use_remoteexec && cc_wrapper == "" && !is_linux |
| } |