1 # Copyright (c) 2014 The Chromium Authors. All rights reserved. 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 # Defines the configuration of cc wrapper 6 # ccache: a c/c++ compiler cache which can greatly reduce recompilation times. 7 # icecc, distcc: it takes compile jobs from a build and distributes them among 8 # remote machines allowing a parallel build. 9 # 10 # TIPS 11 # 12 # 1) ccache 13 # Set clang_use_chrome_plugins=false if using ccache 3.1.9 or earlier, since 14 # these versions don't support -Xclang. (3.1.10 and later will silently 15 # ignore -Xclang, so it doesn't matter if you disable clang_use_chrome_plugins 16 # or not). 17 # 18 # Use ccache 3.2 or later to avoid clang unused argument warnings: 19 # https://bugzilla.samba.org/show_bug.cgi?id=8118 20 # 21 # To avoid -Wparentheses-equality clang warnings, at some cost in terms of 22 # speed, you can do: 23 # export CCACHE_CPP2=yes 24 # 25 # 2) icecc 26 # Set clang_use_chrome_plugins=false because icecc cannot distribute custom 27 # clang libraries. 28 # 29 # To use icecc and ccache together, set cc_wrapper = "ccache" with 30 # export CCACHE_PREFIX=icecc 31 32 declare_args() { 33 # Set to "ccache", "icecc" or "distcc". Probably doesn't work on windows. 34 cc_wrapper = "" 35 } 36