514d49979c
Bug: 35970961 Test: m clean; m nothing; m nothing Test: Add CleanSpec.mk line, see it executing Change-Id: Ied59ac9dbcbeec00e1ada8271b1f66cae33edb8d
152 lines
6.4 KiB
Makefile
152 lines
6.4 KiB
Makefile
# Copyright (C) 2007 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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# Absolute path of the present working direcotry.
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# This overrides the shell variable $PWD, which does not necessarily points to
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# the top of the source tree, for example when "make -C" is used in m/mm/mmm.
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PWD := $(shell pwd)
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TOP := .
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TOPDIR :=
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BUILD_SYSTEM := $(TOPDIR)build/core
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# Set up various standard variables based on configuration
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# and host information.
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include $(BUILD_SYSTEM)/config.mk
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include $(SOONG_MAKEVARS_MK)
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include $(BUILD_SYSTEM)/clang/config.mk
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# CTS-specific config.
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-include cts/build/config.mk
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# VTS-specific config.
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-include test/vts/tools/vts-tradefed/build/config.mk
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# device-tests-specific-config.
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-include tools/tradefederation/build/suites/device-tests/config.mk
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# general-tests-specific-config.
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-include tools/tradefederation/build/suites/general-tests/config.mk
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INTERNAL_CLEAN_STEPS :=
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# Builds up a list of clean steps. Creates a unique
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# id for each step by taking makefile path, INTERNAL_CLEAN_BUILD_VERSION
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# and appending an increasing number of '@' characters.
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#
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# $(1): shell command to run
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# $(2): indicate to not use makefile path as part of step id if not empty.
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# $(2) should only be used in build/core/cleanspec.mk: just for compatibility.
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define _add-clean-step
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$(if $(strip $(INTERNAL_CLEAN_BUILD_VERSION)),, \
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$(error INTERNAL_CLEAN_BUILD_VERSION not set))
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$(eval _acs_makefile_prefix := $(lastword $(MAKEFILE_LIST)))
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$(eval _acs_makefile_prefix := $(subst /,_,$(_acs_makefile_prefix)))
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$(eval _acs_makefile_prefix := $(subst .,-,$(_acs_makefile_prefix)))
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$(eval _acs_makefile_prefix := $(_acs_makefile_prefix)_acs)
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$(if $($(_acs_makefile_prefix)),,\
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$(eval $(_acs_makefile_prefix) := $(INTERNAL_CLEAN_BUILD_VERSION)))
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$(eval $(_acs_makefile_prefix) := $($(_acs_makefile_prefix))@)
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$(if $(strip $(2)),$(eval _acs_id := $($(_acs_makefile_prefix))),\
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$(eval _acs_id := $(_acs_makefile_prefix)$($(_acs_makefile_prefix))))
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$(eval INTERNAL_CLEAN_STEPS += $(_acs_id))
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$(eval INTERNAL_CLEAN_STEP.$(_acs_id) := $(1))
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$(eval _acs_id :=)
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$(eval _acs_makefile_prefix :=)
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endef
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define add-clean-step
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$(eval # for build/core/cleanspec.mk, dont use makefile path as part of step id) \
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$(if $(filter %/cleanspec.mk,$(lastword $(MAKEFILE_LIST))),\
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$(eval $(call _add-clean-step,$(1),true)),\
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$(eval $(call _add-clean-step,$(1))))
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endef
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# Defines INTERNAL_CLEAN_BUILD_VERSION and the individual clean steps.
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# cleanspec.mk is outside of the core directory so that more people
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# can have permission to touch it.
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include $(BUILD_SYSTEM)/cleanspec.mk
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INTERNAL_CLEAN_BUILD_VERSION := $(strip $(INTERNAL_CLEAN_BUILD_VERSION))
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INTERNAL_CLEAN_STEPS := $(strip $(INTERNAL_CLEAN_STEPS))
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# If the clean_steps.mk file is missing (usually after a clean build)
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# then we won't do anything.
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CURRENT_CLEAN_BUILD_VERSION := MISSING
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CURRENT_CLEAN_STEPS := $(INTERNAL_CLEAN_STEPS)
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# Read the current state from the file, if present.
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# Will set CURRENT_CLEAN_BUILD_VERSION and CURRENT_CLEAN_STEPS.
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#
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clean_steps_file := $(PRODUCT_OUT)/clean_steps.mk
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-include $(clean_steps_file)
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ifeq ($(CURRENT_CLEAN_BUILD_VERSION),MISSING)
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# Do nothing
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else ifneq ($(CURRENT_CLEAN_BUILD_VERSION),$(INTERNAL_CLEAN_BUILD_VERSION))
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# The major clean version is out-of-date. Do a full clean, and
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# don't even bother with the clean steps.
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$(info *** A clean build is required because of a recent change.)
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$(shell rm -rf $(OUT_DIR))
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$(info *** Done with the cleaning, now starting the real build.)
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else
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# The major clean version is correct. Find the list of clean steps
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# that we need to execute to get up-to-date.
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steps := \
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$(filter-out $(CURRENT_CLEAN_STEPS),$(INTERNAL_CLEAN_STEPS))
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$(foreach step,$(steps), \
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$(info Clean step: $(INTERNAL_CLEAN_STEP.$(step))) \
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$(shell $(INTERNAL_CLEAN_STEP.$(step))) \
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)
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# Rewrite the clean step for the second arch.
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ifdef TARGET_2ND_ARCH
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# $(1): the clean step cmd
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# $(2): the prefix to search for
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# $(3): the prefix to replace with
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define -cs-rewrite-cleanstep
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$(if $(filter $(2)/%,$(1)),\
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$(eval _crs_new_cmd := $(patsubst $(2)/%,$(3)/%,$(1)))\
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$(info Clean step: $(_crs_new_cmd))\
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$(shell $(_crs_new_cmd)))
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endef
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$(foreach step,$(steps), \
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$(call -cs-rewrite-cleanstep,$(INTERNAL_CLEAN_STEP.$(step)),$(TARGET_OUT_INTERMEDIATES),$($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_INTERMEDIATES))\
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$(call -cs-rewrite-cleanstep,$(INTERNAL_CLEAN_STEP.$(step)),$(TARGET_OUT_SHARED_LIBRARIES),$($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_SHARED_LIBRARIES))\
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$(call -cs-rewrite-cleanstep,$(INTERNAL_CLEAN_STEP.$(step)),$(TARGET_OUT_VENDOR_SHARED_LIBRARIES),$($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_VENDOR_SHARED_LIBRARIES))\
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$(call -cs-rewrite-cleanstep,$(INTERNAL_CLEAN_STEP.$(step)),$($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_INTERMEDIATES),$(TARGET_OUT_INTERMEDIATES))\
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$(call -cs-rewrite-cleanstep,$(INTERNAL_CLEAN_STEP.$(step)),$($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_SHARED_LIBRARIES),$(TARGET_OUT_SHARED_LIBRARIES))\
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$(call -cs-rewrite-cleanstep,$(INTERNAL_CLEAN_STEP.$(step)),$($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_VENDOR_SHARED_LIBRARIES),$(TARGET_OUT_VENDOR_SHARED_LIBRARIES))\
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)
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endif
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_crs_new_cmd :=
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steps :=
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endif
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# Write the new state to the file.
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#
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ifneq ($(CURRENT_CLEAN_BUILD_VERSION)-$(CURRENT_CLEAN_STEPS),$(INTERNAL_CLEAN_BUILD_VERSION)-$(INTERNAL_CLEAN_STEPS))
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$(shell mkdir -p $(dir $(clean_steps_file)))
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$(file >$(clean_steps_file).tmp,CURRENT_CLEAN_BUILD_VERSION := $(INTERNAL_CLEAN_BUILD_VERSION)$(newline)CURRENT_CLEAN_STEPS := $(INTERNAL_CLEAN_STEPS)$(newline))
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$(shell if ! cmp -s $(clean_steps_file).tmp $(clean_steps_file); then \
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mv $(clean_steps_file).tmp $(clean_steps_file); \
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else \
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rm $(clean_steps_file).tmp; \
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fi)
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endif
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CURRENT_CLEAN_BUILD_VERSION :=
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CURRENT_CLEAN_STEPS :=
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clean_steps_file :=
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INTERNAL_CLEAN_STEPS :=
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INTERNAL_CLEAN_BUILD_VERSION :=
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