1# Copyright (C) 2007 The Android Open Source Project 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# http://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14# 15 16# Don't bother with the cleanspecs if you are running mm/mmm 17ifeq ($(ONE_SHOT_MAKEFILE)$(dont_bother),) 18 19INTERNAL_CLEAN_STEPS := 20 21# Builds up a list of clean steps. Creates a unique 22# id for each step by taking makefile path, INTERNAL_CLEAN_BUILD_VERSION 23# and appending an increasing number of '@' characters. 24# 25# $(1): shell command to run 26# $(2): indicate to not use makefile path as part of step id if not empty. 27# $(2) should only be used in build/core/cleanspec.mk: just for compatibility. 28define _add-clean-step 29 $(if $(strip $(INTERNAL_CLEAN_BUILD_VERSION)),, \ 30 $(error INTERNAL_CLEAN_BUILD_VERSION not set)) 31 $(eval _acs_makefile_prefix := $(lastword $(MAKEFILE_LIST))) 32 $(eval _acs_makefile_prefix := $(subst /,_,$(_acs_makefile_prefix))) 33 $(eval _acs_makefile_prefix := $(subst .,-,$(_acs_makefile_prefix))) 34 $(eval _acs_makefile_prefix := $(_acs_makefile_prefix)_acs) 35 $(if $($(_acs_makefile_prefix)),,\ 36 $(eval $(_acs_makefile_prefix) := $(INTERNAL_CLEAN_BUILD_VERSION))) 37 $(eval $(_acs_makefile_prefix) := $($(_acs_makefile_prefix))@) 38 $(if $(strip $(2)),$(eval _acs_id := $($(_acs_makefile_prefix))),\ 39 $(eval _acs_id := $(_acs_makefile_prefix)$($(_acs_makefile_prefix)))) 40 $(eval INTERNAL_CLEAN_STEPS += $(_acs_id)) 41 $(eval INTERNAL_CLEAN_STEP.$(_acs_id) := $(1)) 42 $(eval _acs_id :=) 43 $(eval _acs_makefile_prefix :=) 44endef 45define add-clean-step 46$(eval # for build/core/cleanspec.mk, dont use makefile path as part of step id) \ 47$(if $(filter %/cleanspec.mk,$(lastword $(MAKEFILE_LIST))),\ 48 $(eval $(call _add-clean-step,$(1),true)),\ 49 $(eval $(call _add-clean-step,$(1)))) 50endef 51 52# Defines INTERNAL_CLEAN_BUILD_VERSION and the individual clean steps. 53# cleanspec.mk is outside of the core directory so that more people 54# can have permission to touch it. 55include $(BUILD_SYSTEM)/cleanspec.mk 56INTERNAL_CLEAN_BUILD_VERSION := $(strip $(INTERNAL_CLEAN_BUILD_VERSION)) 57INTERNAL_CLEAN_STEPS := $(strip $(INTERNAL_CLEAN_STEPS)) 58 59# If the clean_steps.mk file is missing (usually after a clean build) 60# then we won't do anything. 61CURRENT_CLEAN_BUILD_VERSION := $(INTERNAL_CLEAN_BUILD_VERSION) 62CURRENT_CLEAN_STEPS := $(INTERNAL_CLEAN_STEPS) 63 64# Read the current state from the file, if present. 65# Will set CURRENT_CLEAN_BUILD_VERSION and CURRENT_CLEAN_STEPS. 66# 67clean_steps_file := $(PRODUCT_OUT)/clean_steps.mk 68-include $(clean_steps_file) 69 70ifneq ($(CURRENT_CLEAN_BUILD_VERSION),$(INTERNAL_CLEAN_BUILD_VERSION)) 71 # The major clean version is out-of-date. Do a full clean, and 72 # don't even bother with the clean steps. 73 $(info *** A clean build is required because of a recent change.) 74 $(shell rm -rf $(OUT_DIR)) 75 $(info *** Done with the cleaning, now starting the real build.) 76else 77 # The major clean version is correct. Find the list of clean steps 78 # that we need to execute to get up-to-date. 79 steps := \ 80 $(filter-out $(CURRENT_CLEAN_STEPS),$(INTERNAL_CLEAN_STEPS)) 81 $(foreach step,$(steps), \ 82 $(info Clean step: $(INTERNAL_CLEAN_STEP.$(step))) \ 83 $(shell $(INTERNAL_CLEAN_STEP.$(step))) \ 84 ) 85 86 # Rewrite the clean step for the second arch. 87 ifdef TARGET_2ND_ARCH 88 # $(1): the clean step cmd 89 # $(2): the prefix to search for 90 # $(3): the prefix to replace with 91 define -cs-rewrite-cleanstep 92 $(if $(filter $(2)/%,$(1)),\ 93 $(eval _crs_new_cmd := $(patsubst $(2)/%,$(3)/%,$(1)))\ 94 $(info Clean step: $(_crs_new_cmd))\ 95 $(shell $(_crs_new_cmd))) 96 endef 97 $(foreach step,$(steps), \ 98 $(call -cs-rewrite-cleanstep,$(INTERNAL_CLEAN_STEP.$(step)),$(TARGET_OUT_INTERMEDIATES),$($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_INTERMEDIATES))\ 99 $(call -cs-rewrite-cleanstep,$(INTERNAL_CLEAN_STEP.$(step)),$(TARGET_OUT_SHARED_LIBRARIES),$($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_SHARED_LIBRARIES))\ 100 $(call -cs-rewrite-cleanstep,$(INTERNAL_CLEAN_STEP.$(step)),$(TARGET_OUT_VENDOR_SHARED_LIBRARIES),$($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_VENDOR_SHARED_LIBRARIES))\ 101 $(call -cs-rewrite-cleanstep,$(INTERNAL_CLEAN_STEP.$(step)),$($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_INTERMEDIATES),$(TARGET_OUT_INTERMEDIATES))\ 102 $(call -cs-rewrite-cleanstep,$(INTERNAL_CLEAN_STEP.$(step)),$($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_SHARED_LIBRARIES),$(TARGET_OUT_SHARED_LIBRARIES))\ 103 $(call -cs-rewrite-cleanstep,$(INTERNAL_CLEAN_STEP.$(step)),$($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_VENDOR_SHARED_LIBRARIES),$(TARGET_OUT_VENDOR_SHARED_LIBRARIES))\ 104 ) 105 endif 106 _crs_new_cmd := 107 steps := 108endif 109 110# Write the new state to the file. 111# 112rewrite_clean_steps_file := 113ifneq ($(CURRENT_CLEAN_BUILD_VERSION)-$(CURRENT_CLEAN_STEPS),$(INTERNAL_CLEAN_BUILD_VERSION)-$(INTERNAL_CLEAN_STEPS)) 114rewrite_clean_steps_file := true 115endif 116ifeq ($(wildcard $(clean_steps_file)),) 117# This is the first build. 118rewrite_clean_steps_file := true 119endif 120ifeq ($(rewrite_clean_steps_file),true) 121$(shell \ 122 mkdir -p $(dir $(clean_steps_file)) && \ 123 echo "CURRENT_CLEAN_BUILD_VERSION := $(INTERNAL_CLEAN_BUILD_VERSION)" > \ 124 $(clean_steps_file) ;\ 125 echo "CURRENT_CLEAN_STEPS := $(wordlist 1,500,$(INTERNAL_CLEAN_STEPS))" >> $(clean_steps_file) \ 126 ) 127define -cs-write-clean-steps-if-arg1-not-empty 128$(if $(1),$(shell echo "CURRENT_CLEAN_STEPS += $(1)" >> $(clean_steps_file))) 129endef 130$(call -cs-write-clean-steps-if-arg1-not-empty,$(wordlist 501,1000,$(INTERNAL_CLEAN_STEPS))) 131$(call -cs-write-clean-steps-if-arg1-not-empty,$(wordlist 1001,1500,$(INTERNAL_CLEAN_STEPS))) 132$(call -cs-write-clean-steps-if-arg1-not-empty,$(wordlist 1501,2000,$(INTERNAL_CLEAN_STEPS))) 133$(call -cs-write-clean-steps-if-arg1-not-empty,$(wordlist 2001,2500,$(INTERNAL_CLEAN_STEPS))) 134$(call -cs-write-clean-steps-if-arg1-not-empty,$(wordlist 2501,3000,$(INTERNAL_CLEAN_STEPS))) 135$(call -cs-write-clean-steps-if-arg1-not-empty,$(wordlist 3001,99999,$(INTERNAL_CLEAN_STEPS))) 136endif 137 138CURRENT_CLEAN_BUILD_VERSION := 139CURRENT_CLEAN_STEPS := 140clean_steps_file := 141rewrite_clean_steps_file := 142INTERNAL_CLEAN_STEPS := 143INTERNAL_CLEAN_BUILD_VERSION := 144 145endif # if not ONE_SHOT_MAKEFILE dont_bother 146 147# Since products and build variants (unfortunately) share the same 148# PRODUCT_OUT staging directory, things can get out of sync if different 149# build configurations are built in the same tree. The following logic 150# will notice when the configuration has changed and remove the files 151# necessary to keep things consistent. 152 153previous_build_config_file := $(PRODUCT_OUT)/previous_build_config.mk 154 155# A change in the list of aapt configs warrants an installclean, too. 156aapt_config_list := $(strip $(PRODUCT_AAPT_CONFIG) $(PRODUCT_AAPT_PREF_CONFIG)) 157 158current_build_config := \ 159 $(TARGET_PRODUCT)-$(TARGET_BUILD_VARIANT)-{$(aapt_config_list)} 160current_sanitize_target := $(strip $(SANITIZE_TARGET)) 161ifeq (,$(current_sanitize_target)) 162 current_sanitize_target := false 163endif 164aapt_config_list := 165force_installclean := false 166force_objclean := false 167 168# Read the current state from the file, if present. 169# Will set PREVIOUS_BUILD_CONFIG. 170# 171PREVIOUS_BUILD_CONFIG := 172PREVIOUS_SANITIZE_TARGET := 173-include $(previous_build_config_file) 174PREVIOUS_BUILD_CONFIG := $(strip $(PREVIOUS_BUILD_CONFIG)) 175PREVIOUS_SANITIZE_TARGET := $(strip $(PREVIOUS_SANITIZE_TARGET)) 176 177ifdef PREVIOUS_BUILD_CONFIG 178 ifneq "$(current_build_config)" "$(PREVIOUS_BUILD_CONFIG)" 179 $(info *** Build configuration changed: "$(PREVIOUS_BUILD_CONFIG)" -> "$(current_build_config)") 180 ifneq ($(DISABLE_AUTO_INSTALLCLEAN),true) 181 force_installclean := true 182 else 183 $(info DISABLE_AUTO_INSTALLCLEAN is set; skipping auto-clean. Your tree may be in an inconsistent state.) 184 endif 185 endif 186endif # else, this is the first build, so no need to clean. 187 188ifdef PREVIOUS_SANITIZE_TARGET 189 ifneq "$(current_sanitize_target)" "$(PREVIOUS_SANITIZE_TARGET)" 190 $(info *** SANITIZE_TARGET changed: "$(PREVIOUS_SANITIZE_TARGET)" -> "$(current_sanitize_target)") 191 force_objclean := true 192 endif 193endif # else, this is the first build, so no need to clean. 194 195# Write the new state to the file. 196# 197ifneq ($(PREVIOUS_BUILD_CONFIG)-$(PREVIOUS_SANITIZE_TARGET),$(current_build_config)-$(current_sanitize_target)) 198$(shell \ 199 mkdir -p $(dir $(previous_build_config_file)) && \ 200 echo "PREVIOUS_BUILD_CONFIG := $(current_build_config)" > \ 201 $(previous_build_config_file) && \ 202 echo "PREVIOUS_SANITIZE_TARGET := $(current_sanitize_target)" >> \ 203 $(previous_build_config_file) \ 204 ) 205endif 206PREVIOUS_BUILD_CONFIG := 207PREVIOUS_SANITIZE_TARGET := 208previous_build_config_file := 209current_build_config := 210 211# 212# installclean logic 213# 214 215# The files/dirs to delete during an installclean. This includes the 216# non-common APPS directory, which may contain the wrong resources. 217# 218# Deletes all of the files that change between different build types, 219# like "make user" vs. "make sdk". This lets you work with different 220# build types without having to do a full clean each time. E.g.: 221# 222# $ make -j8 all 223# $ make installclean 224# $ make -j8 user 225# $ make installclean 226# $ make -j8 sdk 227# 228installclean_files := \ 229 $(HOST_OUT)/obj/NOTICE_FILES \ 230 $(HOST_OUT)/sdk \ 231 $(PRODUCT_OUT)/*.img \ 232 $(PRODUCT_OUT)/*.ini \ 233 $(PRODUCT_OUT)/*.txt \ 234 $(PRODUCT_OUT)/*.xlb \ 235 $(PRODUCT_OUT)/*.zip \ 236 $(PRODUCT_OUT)/kernel \ 237 $(PRODUCT_OUT)/data \ 238 $(PRODUCT_OUT)/skin \ 239 $(PRODUCT_OUT)/obj/APPS \ 240 $(PRODUCT_OUT)/obj/NOTICE_FILES \ 241 $(PRODUCT_OUT)/obj/PACKAGING \ 242 $(PRODUCT_OUT)/recovery \ 243 $(PRODUCT_OUT)/root \ 244 $(PRODUCT_OUT)/system \ 245 $(PRODUCT_OUT)/vendor \ 246 $(PRODUCT_OUT)/oem \ 247 $(PRODUCT_OUT)/dex_bootjars \ 248 $(PRODUCT_OUT)/obj/JAVA_LIBRARIES \ 249 $(PRODUCT_OUT)/obj/FAKE \ 250 $(PRODUCT_OUT)/obj/EXECUTABLES/adbd_intermediates \ 251 $(PRODUCT_OUT)/obj/EXECUTABLES/logd_intermediates \ 252 $(PRODUCT_OUT)/obj/STATIC_LIBRARIES/libfs_mgr_intermediates \ 253 $(PRODUCT_OUT)/obj/EXECUTABLES/init_intermediates \ 254 $(PRODUCT_OUT)/obj/ETC/mac_permissions.xml_intermediates \ 255 $(PRODUCT_OUT)/obj/ETC/sepolicy_intermediates \ 256 $(PRODUCT_OUT)/obj/ETC/sepolicy.recovery_intermediates \ 257 $(PRODUCT_OUT)/obj/ETC/init.environ.rc_intermediates 258 259# The files/dirs to delete during a dataclean, which removes any files 260# in the staging and emulator data partitions. 261dataclean_files := \ 262 $(PRODUCT_OUT)/data/* \ 263 $(PRODUCT_OUT)/data-qemu/* \ 264 $(PRODUCT_OUT)/userdata-qemu.img 265 266# The files/dirs to delete during an objclean, which removes any files 267# in the staging and emulator data partitions. 268objclean_files := \ 269 $(TARGET_OUT_INTERMEDIATES) \ 270 $($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_INTERMEDIATES) 271 272# make sure *_OUT is set so that we won't result in deleting random parts 273# of the filesystem. 274ifneq (2,$(words $(HOST_OUT) $(PRODUCT_OUT))) 275 $(error both HOST_OUT and PRODUCT_OUT should be set at this point.) 276endif 277 278# Define the rules for commandline invocation. 279.PHONY: dataclean 280dataclean: FILES := $(dataclean_files) 281dataclean: 282 $(hide) rm -rf $(FILES) 283 @echo "Deleted emulator userdata images." 284 285.PHONY: installclean 286installclean: FILES := $(installclean_files) 287installclean: dataclean 288 $(hide) rm -rf $(FILES) 289 @echo "Deleted images and staging directories." 290 291.PHONY: objclean 292objclean: FILES := $(objclean_files) 293objclean: 294 $(hide) rm -rf $(FILES) 295 @echo "Deleted images and staging directories." 296 297ifeq "$(force_installclean)" "true" 298 $(info *** Forcing "make installclean"...) 299 $(info *** rm -rf $(dataclean_files) $(installclean_files)) 300 $(shell rm -rf $(dataclean_files) $(installclean_files)) 301 $(info *** Done with the cleaning, now starting the real build.) 302endif 303force_installclean := 304 305ifeq "$(force_objclean)" "true" 306 $(info *** Forcing cleanup of intermediate files...) 307 $(info *** rm -rf $(objclean_files)) 308 $(shell rm -rf $(objclean_files)) 309 $(info *** Done with the cleaning, now starting the real build.) 310endif 311force_objclean := 312 313########################################################### 314 315.PHONY: clean-jack-files 316clean-jack-files: clean-dex-files 317 $(hide) find $(OUT_DIR) -name "*.jack" | xargs rm -f 318 $(hide) find $(OUT_DIR) -type d -name "jack" | xargs rm -rf 319 @echo "All jack files have been removed." 320 321.PHONY: clean-dex-files 322clean-dex-files: 323 $(hide) find $(OUT_DIR) -name "*.dex" ! -path "*/jack-incremental/*" | xargs rm -f 324 $(hide) for i in `find $(OUT_DIR) -name "*.jar" -o -name "*.apk"` ; do ((unzip -l $$i 2> /dev/null | \ 325 grep -q "\.dex$$" && rm -f $$i) || continue ) ; done 326 @echo "All dex files and archives containing dex files have been removed." 327 328.PHONY: clean-jack-incremental 329clean-jack-incremental: 330 $(hide) find $(OUT_DIR) -name "jack-incremental" -type d | xargs rm -rf 331 @echo "All jack incremental dirs have been removed." 332