pch.gni (903B)
1 # Copyright 2016 The Chromium Authors 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 import("//chromium/build/toolchain/cc_wrapper.gni") 6 import("//chromium/build/toolchain/rbe.gni") 7 import("//chromium/build/toolchain/siso.gni") 8 9 declare_args() { 10 # Precompiled header file support is by default available, except on the 11 # following scenarios: 12 # - Remote executions or when doing official builds. 13 # - When using cc_wrapper because ccache requires a particular configuration 14 # and some compiler options currently not used by Chromium: 15 # https://ccache.dev/manual/latest.html#_precompiled_headers and it isn't 16 # supported by sccache: https://github.com/mozilla/sccache/issues/978. 17 # - On Linux it slows down the build. 18 enable_precompiled_headers = 19 !is_official_build && !use_remoteexec && cc_wrapper == "" && !is_linux 20 }