2 # Copyright (C) 2015 The Android Open Source Project
4 # Licensed under the Apache License, Version 2.0 (the "License");
5 # you may not use this file except in compliance with the License.
6 # You may obtain a copy of the License at
8 # http://www.apache.org/licenses/LICENSE-2.0
10 # Unless required by applicable law or agreed to in writing, software
11 # distributed under the License is distributed on an "AS IS" BASIS,
12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 # See the License for the specific language governing permissions and
14 # limitations under the License.
17 # Notice: this works only with Google's Goma build infrastructure.
18 ifneq ($(filter-out false,$(USE_GOMA)),)
19 # Check if USE_NINJA is not false because GNU make won't work well
20 # with goma. Note this file is evaluated twice, once by GNU make and
21 # once by kati with USE_NINJA=false. We do this check in the former
24 ifeq ($(USE_NINJA),false)
25 $(error USE_GOMA=true is not compatible with USE_NINJA=false)
29 # Goma requires a lot of processes and file descriptors.
30 ifeq ($(shell echo $$(($$(ulimit -u) < 2500 || $$(ulimit -n) < 16000))),1)
31 $(warning Max user processes and/or open files are insufficient)
32 ifeq ($(shell uname),Darwin)
33 $(error See go/ma/how-to-use-goma/how-to-use-goma-for-android to relax the limit)
35 $(error Adjust the limit by ulimit -u and ulimit -n)
40 goma_dir := $(GOMA_DIR)
42 goma_dir := $(HOME)/goma
44 goma_ctl := $(goma_dir)/goma_ctl.py
45 GOMA_CC := $(goma_dir)/gomacc
47 $(if $(wildcard $(goma_ctl)),, \
48 $(warning You should have goma in $$GOMA_DIR or $(HOME)/goma) \
49 $(error See go/ma/how-to-use-goma/how-to-use-goma-for-android for detail))
51 # Append gomacc to existing *_WRAPPER variables so it's possible to
52 # use both ccache and gomacc.
53 CC_WRAPPER := $(strip $(CC_WRAPPER) $(GOMA_CC))
54 CXX_WRAPPER := $(strip $(CXX_WRAPPER) $(GOMA_CC))
56 # gomacc can start goma client's daemon process automatically, but
57 # it is safer and faster to start up it beforehand. We run this as a
58 # background process so this won't slow down the build.
59 # We use "ensure_start" command when the compiler_proxy is already
60 # running and uses GOMA_HERMETIC=error flag. The compiler_proxy will
62 # TODO(hamaji): Remove this condition after http://b/25676777 is fixed.
63 $(shell ( if ( curl http://localhost:$$($(GOMA_CC) port)/flagz | grep GOMA_HERMETIC=error ); then cmd=ensure_start; else cmd=restart; fi; GOMA_HERMETIC=error $(goma_ctl) $${cmd} ) &> /dev/null &)