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 # Used by the compiler wrapper, but should only be set by gomacc 18 unexport GOMACC_PATH 19 20 # Notice: this works only with Google's Goma build infrastructure. 21 ifneq ($(filter-out false,$(USE_GOMA)),) 22 # Goma requires a lot of processes and file descriptors. 23 ifeq ($(shell echo $$(($$(ulimit -u) < 2500 || $$(ulimit -n) < 16000))),1) 24 $(warning Max user processes and/or open files are insufficient) 25 ifeq ($(shell uname),Darwin) 26 $(error See go/ma/how-to-use-goma/how-to-use-goma-for-android to relax the limit) 27 else 28 $(error Adjust the limit by ulimit -u and ulimit -n) 29 endif 30 endif 31 32 ifdef GOMA_DIR 33 goma_dir := $(GOMA_DIR) 34 else 35 goma_dir := $(HOME)/goma 36 endif 37 goma_ctl := $(goma_dir)/goma_ctl.py 38 GOMA_CC := $(goma_dir)/gomacc 39 40 $(if $(wildcard $(goma_ctl)),, \ 41 $(warning You should have goma in $$GOMA_DIR or $(HOME)/goma) \ 42 $(error See go/ma/how-to-use-goma/how-to-use-goma-for-android for detail)) 43 44 # Append gomacc to existing *_WRAPPER variables so it's possible to 45 # use both ccache and gomacc. 46 CC_WRAPPER := $(strip $(CC_WRAPPER) $(GOMA_CC)) 47 CXX_WRAPPER := $(strip $(CXX_WRAPPER) $(GOMA_CC)) 48 49 # gomacc can start goma client's daemon process automatically, but 50 # it is safer and faster to start up it beforehand. We run this as a 51 # background process so this won't slow down the build. 52 ifndef NOSTART_GOMA 53 $(shell ( $(goma_ctl) ensure_start ) &> /dev/null &) 54 endif 55 56 goma_ctl := 57 goma_dir := 58 endif 59
