21a18b7509
With this flag, goma's client (gomacc) fails when local compiler is different from goma's. Without this, goma's backend finds a fallback compiler which looks closer to the local compiler using version info, etc. Bug: 25668061 Change-Id: I64ff81751f3fe960a557ddb2ca30a090c26c4327
67 lines
2.6 KiB
Makefile
67 lines
2.6 KiB
Makefile
#
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# Copyright (C) 2015 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# Notice: this works only with Google's Goma build infrastructure.
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ifneq ($(USE_GOMA),)
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# Check if USE_NINJA is not false because GNU make won't work well
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# with goma. Note this file is evaluated twice, once by GNU make and
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# once by kati with USE_NINJA=false. We do this check in the former
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# pass.
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ifndef KATI
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ifeq ($(USE_NINJA),false)
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$(error USE_GOMA=true is not compatible with USE_NINJA=false)
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endif
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endif
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# Goma requires a lot of processes and file descriptors.
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ifeq ($(shell echo $$(($$(ulimit -u) < 2500 || $$(ulimit -n) < 16000))),1)
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$(warning Max user processes and/or open files are insufficient)
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ifeq ($(shell uname),Darwin)
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$(error See go/ma/how-to-use-goma/how-to-use-goma-for-android to relax the limit)
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else
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$(error Adjust the limit by ulimit -u and ulimit -n)
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endif
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endif
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ifdef GOMA_DIR
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goma_dir := $(GOMA_DIR)
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else
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goma_dir := $(HOME)/goma
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endif
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goma_ctl := $(goma_dir)/goma_ctl.py
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GOMA_CC := $(goma_dir)/gomacc
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$(if $(wildcard $(goma_ctl)),, \
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$(warning You should have goma in $$GOMA_DIR or $(HOME)/goma) \
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$(error See go/ma/how-to-use-goma/how-to-use-goma-for-android for detail))
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# Append gomacc to existing *_WRAPPER variables so it's possible to
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# use both ccache and gomacc.
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CC_WRAPPER := $(strip $(CC_WRAPPER) $(GOMA_CC))
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CXX_WRAPPER := $(strip $(CXX_WRAPPER) $(GOMA_CC))
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# gomacc can start goma client's daemon process automatically, but
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# it is safer and faster to start up it beforehand. We run this as a
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# background process so this won't slow down the build.
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# We use "ensure_start" command when the compiler_proxy is already
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# running and uses GOMA_HERMETIC=error flag. The compiler_proxy will
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# restart otherwise.
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# TODO(hamaji): Remove this condition after http://b/25676777 is fixed.
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$(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 &)
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goma_ctl :=
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goma_dir :=
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endif
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