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platform_build/core/cleanbuild.mk
Colin Cross 63fe36abbe Use ifndef or ifeq () instead of ifeq "" 
ifeq with quotes is technically correct make syntax, but rarely used.
Replace it with the simpler ifndef when comparing against empty, or
with parenthesis for consistency.

Test: builds
Change-Id: Idcbe0586c4626c67d560694596b0bd9f5f93484a
2017-02-21 17:29:10 -08:00

301 lines
12 KiB
Makefile
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# Copyright (C) 2007 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Don't bother with the cleanspecs if you are running mm/mmm
ifeq ($(ONE_SHOT_MAKEFILE)$(dont_bother),)
INTERNAL_CLEAN_STEPS :=
# Builds up a list of clean steps. Creates a unique
# id for each step by taking makefile path, INTERNAL_CLEAN_BUILD_VERSION
# and appending an increasing number of '@' characters.
#
# $(1): shell command to run
# $(2): indicate to not use makefile path as part of step id if not empty.
# $(2) should only be used in build/core/cleanspec.mk: just for compatibility.
define _add-clean-step
$(if $(strip $(INTERNAL_CLEAN_BUILD_VERSION)),, \
$(error INTERNAL_CLEAN_BUILD_VERSION not set))
$(eval _acs_makefile_prefix := $(lastword $(MAKEFILE_LIST)))
$(eval _acs_makefile_prefix := $(subst /,_,$(_acs_makefile_prefix)))
$(eval _acs_makefile_prefix := $(subst .,-,$(_acs_makefile_prefix)))
$(eval _acs_makefile_prefix := $(_acs_makefile_prefix)_acs)
$(if $($(_acs_makefile_prefix)),,\
$(eval $(_acs_makefile_prefix) := $(INTERNAL_CLEAN_BUILD_VERSION)))
$(eval $(_acs_makefile_prefix) := $($(_acs_makefile_prefix))@)
$(if $(strip $(2)),$(eval _acs_id := $($(_acs_makefile_prefix))),\
$(eval _acs_id := $(_acs_makefile_prefix)$($(_acs_makefile_prefix))))
$(eval INTERNAL_CLEAN_STEPS += $(_acs_id))
$(eval INTERNAL_CLEAN_STEP.$(_acs_id) := $(1))
$(eval _acs_id :=)
$(eval _acs_makefile_prefix :=)
endef
define add-clean-step
$(eval # for build/core/cleanspec.mk, dont use makefile path as part of step id) \
$(if $(filter %/cleanspec.mk,$(lastword $(MAKEFILE_LIST))),\
$(eval $(call _add-clean-step,$(1),true)),\
$(eval $(call _add-clean-step,$(1))))
endef
# Defines INTERNAL_CLEAN_BUILD_VERSION and the individual clean steps.
# cleanspec.mk is outside of the core directory so that more people
# can have permission to touch it.
include $(BUILD_SYSTEM)/cleanspec.mk
INTERNAL_CLEAN_BUILD_VERSION := $(strip $(INTERNAL_CLEAN_BUILD_VERSION))
INTERNAL_CLEAN_STEPS := $(strip $(INTERNAL_CLEAN_STEPS))
# If the clean_steps.mk file is missing (usually after a clean build)
# then we won't do anything.
CURRENT_CLEAN_BUILD_VERSION := $(INTERNAL_CLEAN_BUILD_VERSION)
CURRENT_CLEAN_STEPS := $(INTERNAL_CLEAN_STEPS)
# Read the current state from the file, if present.
# Will set CURRENT_CLEAN_BUILD_VERSION and CURRENT_CLEAN_STEPS.
#
clean_steps_file := $(PRODUCT_OUT)/clean_steps.mk
-include $(clean_steps_file)
ifneq ($(CURRENT_CLEAN_BUILD_VERSION),$(INTERNAL_CLEAN_BUILD_VERSION))
# The major clean version is out-of-date. Do a full clean, and
# don't even bother with the clean steps.
$(info *** A clean build is required because of a recent change.)
$(shell rm -rf $(OUT_DIR))
$(info *** Done with the cleaning, now starting the real build.)
else
# The major clean version is correct. Find the list of clean steps
# that we need to execute to get up-to-date.
steps := \
$(filter-out $(CURRENT_CLEAN_STEPS),$(INTERNAL_CLEAN_STEPS))
$(foreach step,$(steps), \
$(info Clean step: $(INTERNAL_CLEAN_STEP.$(step))) \
$(shell $(INTERNAL_CLEAN_STEP.$(step))) \
)
# Rewrite the clean step for the second arch.
ifdef TARGET_2ND_ARCH
# $(1): the clean step cmd
# $(2): the prefix to search for
# $(3): the prefix to replace with
define -cs-rewrite-cleanstep
$(if $(filter $(2)/%,$(1)),\
$(eval _crs_new_cmd := $(patsubst $(2)/%,$(3)/%,$(1)))\
$(info Clean step: $(_crs_new_cmd))\
$(shell $(_crs_new_cmd)))
endef
$(foreach step,$(steps), \
$(call -cs-rewrite-cleanstep,$(INTERNAL_CLEAN_STEP.$(step)),$(TARGET_OUT_INTERMEDIATES),$($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_INTERMEDIATES))\
$(call -cs-rewrite-cleanstep,$(INTERNAL_CLEAN_STEP.$(step)),$(TARGET_OUT_SHARED_LIBRARIES),$($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_SHARED_LIBRARIES))\
$(call -cs-rewrite-cleanstep,$(INTERNAL_CLEAN_STEP.$(step)),$(TARGET_OUT_VENDOR_SHARED_LIBRARIES),$($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_VENDOR_SHARED_LIBRARIES))\
$(call -cs-rewrite-cleanstep,$(INTERNAL_CLEAN_STEP.$(step)),$($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_INTERMEDIATES),$(TARGET_OUT_INTERMEDIATES))\
$(call -cs-rewrite-cleanstep,$(INTERNAL_CLEAN_STEP.$(step)),$($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_SHARED_LIBRARIES),$(TARGET_OUT_SHARED_LIBRARIES))\
$(call -cs-rewrite-cleanstep,$(INTERNAL_CLEAN_STEP.$(step)),$($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_VENDOR_SHARED_LIBRARIES),$(TARGET_OUT_VENDOR_SHARED_LIBRARIES))\
)
endif
_crs_new_cmd :=
steps :=
endif
# Write the new state to the file.
#
rewrite_clean_steps_file :=
ifneq ($(CURRENT_CLEAN_BUILD_VERSION)-$(CURRENT_CLEAN_STEPS),$(INTERNAL_CLEAN_BUILD_VERSION)-$(INTERNAL_CLEAN_STEPS))
rewrite_clean_steps_file := true
endif
ifeq ($(wildcard $(clean_steps_file)),)
# This is the first build.
rewrite_clean_steps_file := true
endif
ifeq ($(rewrite_clean_steps_file),true)
$(shell \
mkdir -p $(dir $(clean_steps_file)) && \
echo "CURRENT_CLEAN_BUILD_VERSION := $(INTERNAL_CLEAN_BUILD_VERSION)" > \
$(clean_steps_file) ;\
echo "CURRENT_CLEAN_STEPS := $(wordlist 1,500,$(INTERNAL_CLEAN_STEPS))" >> $(clean_steps_file) \
)
define -cs-write-clean-steps-if-arg1-not-empty
$(if $(1),$(shell echo "CURRENT_CLEAN_STEPS += $(1)" >> $(clean_steps_file)))
endef
$(call -cs-write-clean-steps-if-arg1-not-empty,$(wordlist 501,1000,$(INTERNAL_CLEAN_STEPS)))
$(call -cs-write-clean-steps-if-arg1-not-empty,$(wordlist 1001,1500,$(INTERNAL_CLEAN_STEPS)))
$(call -cs-write-clean-steps-if-arg1-not-empty,$(wordlist 1501,2000,$(INTERNAL_CLEAN_STEPS)))
$(call -cs-write-clean-steps-if-arg1-not-empty,$(wordlist 2001,2500,$(INTERNAL_CLEAN_STEPS)))
$(call -cs-write-clean-steps-if-arg1-not-empty,$(wordlist 2501,3000,$(INTERNAL_CLEAN_STEPS)))
$(call -cs-write-clean-steps-if-arg1-not-empty,$(wordlist 3001,99999,$(INTERNAL_CLEAN_STEPS)))
endif
CURRENT_CLEAN_BUILD_VERSION :=
CURRENT_CLEAN_STEPS :=
clean_steps_file :=
rewrite_clean_steps_file :=
INTERNAL_CLEAN_STEPS :=
INTERNAL_CLEAN_BUILD_VERSION :=
endif # if not ONE_SHOT_MAKEFILE dont_bother
# Since products and build variants (unfortunately) share the same
# PRODUCT_OUT staging directory, things can get out of sync if different
# build configurations are built in the same tree. The following logic
# will notice when the configuration has changed and remove the files
# necessary to keep things consistent.
previous_build_config_file := $(PRODUCT_OUT)/previous_build_config.mk
current_build_config_file := $(PRODUCT_OUT)/current_build_config.mk
current_build_config := \
$(TARGET_PRODUCT)-$(TARGET_BUILD_VARIANT)
force_installclean := false
# Read the current state from the file, if present.
# Will set PREVIOUS_BUILD_CONFIG.
#
PREVIOUS_BUILD_CONFIG :=
-include $(previous_build_config_file)
PREVIOUS_BUILD_CONFIG := $(strip $(PREVIOUS_BUILD_CONFIG))
ifdef PREVIOUS_BUILD_CONFIG
ifneq ($(current_build_config),$(PREVIOUS_BUILD_CONFIG))
$(info *** Build configuration changed: "$(PREVIOUS_BUILD_CONFIG)" -> "$(current_build_config)")
ifneq ($(DISABLE_AUTO_INSTALLCLEAN),true)
force_installclean := true
else
$(info DISABLE_AUTO_INSTALLCLEAN is set; skipping auto-clean. Your tree may be in an inconsistent state.)
endif
endif
endif # else, this is the first build, so no need to clean.
# Write the new state to the file.
#
$(shell \
mkdir -p $(dir $(current_build_config_file)) && \
echo "PREVIOUS_BUILD_CONFIG := $(current_build_config)" > \
$(current_build_config_file) \
)
$(shell cmp $(current_build_config_file) $(previous_build_config_file) > /dev/null 2>&1 || \
mv -f $(current_build_config_file) $(previous_build_config_file))
PREVIOUS_BUILD_CONFIG :=
previous_build_config_file :=
current_build_config_file :=
current_build_config :=
#
# installclean logic
#
# The files/dirs to delete during an installclean.
#
# Deletes all of the installed files -- the intent is to remove files
# that may no longer be installed, either because the user previously
# installed them, or they were previously installed by default but no
# longer are.
#
# This is faster than a full clean, since we're not deleting the
# intermediates. Instead of recompiling, we can just copy the results.
#
# Host bin, frameworks, and lib* are intentionally omitted, since
# otherwise we'd have to rebuild any generated files created with those
# tools.
installclean_files := \
$(HOST_OUT)/obj/NOTICE_FILES \
$(HOST_OUT)/obj/PACKAGING \
$(HOST_OUT)/coverage \
$(HOST_OUT)/cts \
$(HOST_OUT)/nativetest* \
$(HOST_OUT)/sdk \
$(HOST_OUT)/sdk_addon \
$(HOST_OUT)/testcases \
$(HOST_OUT)/vts \
$(HOST_CROSS_OUT)/bin \
$(HOST_CROSS_OUT)/coverage \
$(HOST_CROSS_OUT)/lib* \
$(HOST_CROSS_OUT)/nativetest* \
$(PRODUCT_OUT)/*.img \
$(PRODUCT_OUT)/*.ini \
$(PRODUCT_OUT)/*.txt \
$(PRODUCT_OUT)/*.xlb \
$(PRODUCT_OUT)/*.zip \
$(PRODUCT_OUT)/kernel \
$(PRODUCT_OUT)/data \
$(PRODUCT_OUT)/skin \
$(PRODUCT_OUT)/obj/NOTICE_FILES \
$(PRODUCT_OUT)/obj/PACKAGING \
$(PRODUCT_OUT)/recovery \
$(PRODUCT_OUT)/root \
$(PRODUCT_OUT)/system \
$(PRODUCT_OUT)/system_other \
$(PRODUCT_OUT)/vendor \
$(PRODUCT_OUT)/oem \
$(PRODUCT_OUT)/obj/FAKE \
$(PRODUCT_OUT)/breakpad \
$(PRODUCT_OUT)/cache \
$(PRODUCT_OUT)/coverage \
$(PRODUCT_OUT)/installer \
$(PRODUCT_OUT)/odm \
$(PRODUCT_OUT)/sysloader \
$(PRODUCT_OUT)/testcases \
# The files/dirs to delete during a dataclean, which removes any files
# in the staging and emulator data partitions.
dataclean_files := \
$(PRODUCT_OUT)/data/* \
$(PRODUCT_OUT)/data-qemu/* \
$(PRODUCT_OUT)/userdata-qemu.img
# make sure *_OUT is set so that we won't result in deleting random parts
# of the filesystem.
ifneq (2,$(words $(HOST_OUT) $(PRODUCT_OUT)))
$(error both HOST_OUT and PRODUCT_OUT should be set at this point.)
endif
# Define the rules for commandline invocation.
.PHONY: dataclean
dataclean: FILES := $(dataclean_files)
dataclean:
$(hide) rm -rf $(FILES)
@echo "Deleted emulator userdata images."
.PHONY: installclean
installclean: FILES := $(installclean_files)
installclean: dataclean
$(hide) rm -rf $(FILES)
@echo "Deleted images and staging directories."
ifeq ($(force_installclean),true)
$(info *** Forcing "make installclean"...)
$(info *** rm -rf $(dataclean_files) $(installclean_files))
$(shell rm -rf $(dataclean_files) $(installclean_files))
$(info *** Done with the cleaning, now starting the real build.)
endif
force_installclean :=
###########################################################
.PHONY: clean-jack-files
clean-jack-files: clean-dex-files
$(hide) find $(OUT_DIR) -name "*.jack" | xargs rm -f
$(hide) find $(OUT_DIR) -type d -name "jack" | xargs rm -rf
@echo "All jack files have been removed."
.PHONY: clean-dex-files
clean-dex-files:
$(hide) find $(OUT_DIR) -name "*.dex" ! -path "*/jack-incremental/*" | xargs rm -f
$(hide) for i in `find $(OUT_DIR) -name "*.jar" -o -name "*.apk"` ; do ((unzip -l $$i 2> /dev/null | \
grep -q "\.dex$$" && rm -f $$i) || continue ) ; done
@echo "All dex files and archives containing dex files have been removed."
.PHONY: clean-jack-incremental
clean-jack-incremental:
$(hide) find $(OUT_DIR) -name "jack-incremental" -type d | xargs rm -rf
@echo "All jack incremental dirs have been removed."
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