diff options
Diffstat (limited to 'third_party/libwebrtc/build/toolchain/cc_wrapper.gni')
| -rw-r--r-- | third_party/libwebrtc/build/toolchain/cc_wrapper.gni | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/third_party/libwebrtc/build/toolchain/cc_wrapper.gni b/third_party/libwebrtc/build/toolchain/cc_wrapper.gni new file mode 100644 index 0000000000..6186070e3d --- /dev/null +++ b/third_party/libwebrtc/build/toolchain/cc_wrapper.gni @@ -0,0 +1,43 @@ +# Copyright (c) 2014 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/toolchain/goma.gni") +import("//build/toolchain/rbe.gni") + +# Defines the configuration of cc wrapper +# ccache: a c/c++ compiler cache which can greatly reduce recompilation times. +# icecc, distcc: it takes compile jobs from a build and distributes them among +# remote machines allowing a parallel build. +# +# TIPS +# +# 1) ccache +# Set clang_use_chrome_plugins=false if using ccache 3.1.9 or earlier, since +# these versions don't support -Xclang. (3.1.10 and later will silently +# ignore -Xclang, so it doesn't matter if you disable clang_use_chrome_plugins +# or not). +# +# Use ccache 3.2 or later to avoid clang unused argument warnings: +# https://bugzilla.samba.org/show_bug.cgi?id=8118 +# +# To avoid -Wparentheses-equality clang warnings, at some cost in terms of +# speed, you can do: +# export CCACHE_CPP2=yes +# +# 2) icecc +# Set clang_use_chrome_plugins=false because icecc cannot distribute custom +# clang libraries. +# +# To use icecc and ccache together, set cc_wrapper = "ccache" with +# export CCACHE_PREFIX=icecc + +declare_args() { + # Set to "ccache", "icecc" or "distcc". Probably doesn't work on windows. + cc_wrapper = "" +} + +assert(!use_goma || cc_wrapper == "", + "use_goma and cc_wrapper can not be used together.") +assert(!use_remoteexec || cc_wrapper == "", + "use_remoteexec and cc_wrapper can not be used together.") |