1 # 2 # Copyright (C) 2015 The Android Open Source Project 3 # 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 7 # 8 # http://www.apache.org/licenses/LICENSE-2.0 9 # 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. 15 # 16 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 22 # pass. 23 ifndef KATI 24 ifeq ($(USE_NINJA),false) 25 $(error USE_GOMA=true is not compatible with USE_NINJA=false) 26 endif 27 endif 28 29 # Goma requires a lot of processes and file descriptors. 30 ifeq ($(shell echo $$(($$(ulimit -u) < 2500 || $$(ulimit -n) < 16000))),1) 31 $(warning Max user processes and/or open files are insufficient) 32 ifeq ($(shell uname),Darwin) 33 $(error See go/ma/how-to-use-goma/how-to-use-goma-for-android to relax the limit) 34 else 35 $(error Adjust the limit by ulimit -u and ulimit -n) 36 endif 37 endif 38 39 ifdef GOMA_DIR 40 goma_dir := $(GOMA_DIR) 41 else 42 goma_dir := $(HOME)/goma 43 endif 44 goma_ctl := $(goma_dir)/goma_ctl.py 45 GOMA_CC := $(goma_dir)/gomacc 46 47 $(if $(wildcard $(goma_ctl)),, \ 48 $(warning You should have goma in $$GOMA_DIR or $(HOME)/goma) \ 49 $(error See go/ma/how-to-use-goma/how-to-use-goma-for-android for detail)) 50 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)) 55 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 61 # restart otherwise. 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 &) 64 65 goma_ctl := 66 goma_dir := 67 endif 68
