cleanbuild.mk revision eadaa954ceadcf44fa7cc2b1327f786defa29c35 
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 := $(INTERNAL_CLEAN_STEPS)" >> \
126      $(clean_steps_file) \
127 )
128endif
129
130CURRENT_CLEAN_BUILD_VERSION :=
131CURRENT_CLEAN_STEPS :=
132clean_steps_file :=
133rewrite_clean_steps_file :=
134INTERNAL_CLEAN_STEPS :=
135INTERNAL_CLEAN_BUILD_VERSION :=
136
137endif  # if not ONE_SHOT_MAKEFILE dont_bother
138
139# Since products and build variants (unfortunately) share the same
140# PRODUCT_OUT staging directory, things can get out of sync if different
141# build configurations are built in the same tree.  The following logic
142# will notice when the configuration has changed and remove the files
143# necessary to keep things consistent.
144
145previous_build_config_file := $(PRODUCT_OUT)/previous_build_config.mk
146
147# A change in the list of aapt configs warrants an installclean, too.
148aapt_config_list := $(strip $(PRODUCT_AAPT_CONFIG) $(PRODUCT_AAPT_PREF_CONFIG))
149
150current_build_config := \
151    $(TARGET_PRODUCT)-$(TARGET_BUILD_VARIANT)-{$(aapt_config_list)}
152current_sanitize_target := $(strip $(SANITIZE_TARGET))
153ifeq (,$(current_sanitize_target))
154  current_sanitize_target := false
155endif
156aapt_config_list :=
157force_installclean := false
158force_objclean := false
159
160# Read the current state from the file, if present.
161# Will set PREVIOUS_BUILD_CONFIG.
162#
163PREVIOUS_BUILD_CONFIG :=
164PREVIOUS_SANITIZE_TARGET :=
165-include $(previous_build_config_file)
166PREVIOUS_BUILD_CONFIG := $(strip $(PREVIOUS_BUILD_CONFIG))
167PREVIOUS_SANITIZE_TARGET := $(strip $(PREVIOUS_SANITIZE_TARGET))
168
169ifdef PREVIOUS_BUILD_CONFIG
170  ifneq "$(current_build_config)" "$(PREVIOUS_BUILD_CONFIG)"
171    $(info *** Build configuration changed: "$(PREVIOUS_BUILD_CONFIG)" -> "$(current_build_config)")
172    ifneq ($(DISABLE_AUTO_INSTALLCLEAN),true)
173      force_installclean := true
174    else
175      $(info DISABLE_AUTO_INSTALLCLEAN is set; skipping auto-clean. Your tree may be in an inconsistent state.)
176    endif
177  endif
178endif  # else, this is the first build, so no need to clean.
179
180ifdef PREVIOUS_SANITIZE_TARGET
181  ifneq "$(current_sanitize_target)" "$(PREVIOUS_SANITIZE_TARGET)"
182    $(info *** SANITIZE_TARGET changed: "$(PREVIOUS_SANITIZE_TARGET)" -> "$(current_sanitize_target)")
183    force_objclean := true
184  endif
185endif  # else, this is the first build, so no need to clean.
186
187# Write the new state to the file.
188#
189ifneq ($(PREVIOUS_BUILD_CONFIG)-$(PREVIOUS_SANITIZE_TARGET),$(current_build_config)-$(current_sanitize_target))
190$(shell \
191  mkdir -p $(dir $(previous_build_config_file)) && \
192  echo "PREVIOUS_BUILD_CONFIG := $(current_build_config)" > \
193      $(previous_build_config_file) && \
194  echo "PREVIOUS_SANITIZE_TARGET := $(current_sanitize_target)" >> \
195      $(previous_build_config_file) \
196 )
197endif
198PREVIOUS_BUILD_CONFIG :=
199PREVIOUS_SANITIZE_TARGET :=
200previous_build_config_file :=
201current_build_config :=
202
203#
204# installclean logic
205#
206
207# The files/dirs to delete during an installclean.  This includes the
208# non-common APPS directory, which may contain the wrong resources.
209#
210# Deletes all of the files that change between different build types,
211# like "make user" vs. "make sdk".  This lets you work with different
212# build types without having to do a full clean each time.  E.g.:
213#
214#     $ make -j8 all
215#     $ make installclean
216#     $ make -j8 user
217#     $ make installclean
218#     $ make -j8 sdk
219#
220installclean_files := \
221	$(HOST_OUT)/obj/NOTICE_FILES \
222	$(HOST_OUT)/sdk \
223	$(PRODUCT_OUT)/*.img \
224	$(PRODUCT_OUT)/*.ini \
225	$(PRODUCT_OUT)/*.txt \
226	$(PRODUCT_OUT)/*.xlb \
227	$(PRODUCT_OUT)/*.zip \
228	$(PRODUCT_OUT)/kernel \
229	$(PRODUCT_OUT)/data \
230	$(PRODUCT_OUT)/skin \
231	$(PRODUCT_OUT)/obj/APPS \
232	$(PRODUCT_OUT)/obj/NOTICE_FILES \
233	$(PRODUCT_OUT)/obj/PACKAGING \
234	$(PRODUCT_OUT)/recovery \
235	$(PRODUCT_OUT)/root \
236	$(PRODUCT_OUT)/system \
237	$(PRODUCT_OUT)/vendor \
238	$(PRODUCT_OUT)/oem \
239	$(PRODUCT_OUT)/dex_bootjars \
240	$(PRODUCT_OUT)/obj/JAVA_LIBRARIES \
241	$(PRODUCT_OUT)/obj/FAKE \
242	$(PRODUCT_OUT)/obj/EXECUTABLES/adbd_intermediates \
243	$(PRODUCT_OUT)/obj/STATIC_LIBRARIES/libfs_mgr_intermediates \
244	$(PRODUCT_OUT)/obj/EXECUTABLES/init_intermediates \
245	$(PRODUCT_OUT)/obj/ETC/mac_permissions.xml_intermediates \
246	$(PRODUCT_OUT)/obj/ETC/sepolicy_intermediates \
247	$(PRODUCT_OUT)/obj/ETC/init.environ.rc_intermediates
248
249# The files/dirs to delete during a dataclean, which removes any files
250# in the staging and emulator data partitions.
251dataclean_files := \
252	$(PRODUCT_OUT)/data/* \
253	$(PRODUCT_OUT)/data-qemu/* \
254	$(PRODUCT_OUT)/userdata-qemu.img
255
256# The files/dirs to delete during an objclean, which removes any files
257# in the staging and emulator data partitions.
258objclean_files := \
259	$(TARGET_OUT_INTERMEDIATES) \
260	$($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_INTERMEDIATES)
261
262# make sure *_OUT is set so that we won't result in deleting random parts
263# of the filesystem.
264ifneq (2,$(words $(HOST_OUT) $(PRODUCT_OUT)))
265  $(error both HOST_OUT and PRODUCT_OUT should be set at this point.)
266endif
267
268# Define the rules for commandline invocation.
269.PHONY: dataclean
270dataclean: FILES := $(dataclean_files)
271dataclean:
272	$(hide) rm -rf $(FILES)
273	@echo "Deleted emulator userdata images."
274
275.PHONY: installclean
276installclean: FILES := $(installclean_files)
277installclean: dataclean
278	$(hide) rm -rf $(FILES)
279	@echo "Deleted images and staging directories."
280
281.PHONY: objclean
282objclean: FILES := $(objclean_files)
283objclean:
284	$(hide) rm -rf $(FILES)
285	@echo "Deleted images and staging directories."
286
287ifeq "$(force_installclean)" "true"
288  $(info *** Forcing "make installclean"...)
289  $(info *** rm -rf $(dataclean_files) $(installclean_files))
290  $(shell rm -rf $(dataclean_files) $(installclean_files))
291  $(info *** Done with the cleaning, now starting the real build.)
292endif
293force_installclean :=
294
295ifeq "$(force_objclean)" "true"
296  $(info *** Forcing cleanup of intermediate files...)
297  $(info *** rm -rf $(objclean_files))
298  $(shell rm -rf $(objclean_files))
299  $(info *** Done with the cleaning, now starting the real build.)
300endif
301force_objclean :=
302
303###########################################################
304# Clean build tools when swithcing between prebuilt host tools (such as in
305# apps_only build) and tools built from source (platform build).
306previous_prebuilt_tools_config_file := $(HOST_OUT)/previous_prebuilt_tools_config.mk
307ifneq (,$(TARGET_BUILD_APPS)$(filter true,$(TARGET_BUILD_PDK)))
308current_prebuilt_tools := true
309else
310current_prebuilt_tools := false
311endif
312PREVIOUS_PREBUILT_TOOLS :=
313-include $(previous_prebuilt_tools_config_file)
314force_tools_clean :=
315ifdef PREVIOUS_PREBUILT_TOOLS
316ifneq ($(PREVIOUS_PREBUILT_TOOLS),$(current_prebuilt_tools))
317force_tools_clean := true
318endif
319endif # else, this is the first build, so no need to clean.
320
321# Write the new state to the file.
322ifneq ($(PREVIOUS_PREBUILT_TOOLS),$(current_prebuilt_tools))
323$(shell \
324  mkdir -p $(dir $(previous_prebuilt_tools_config_file)) && \
325  echo "PREVIOUS_PREBUILT_TOOLS:=$(current_prebuilt_tools)" > \
326    $(previous_prebuilt_tools_config_file))
327endif
328
329ifeq ($(force_tools_clean),true)
330# For this list of prebuilt tools, see prebuilts/sdk/tools/Android.mk.
331tools_clean_files := \
332  $(HOST_OUT_COMMON_INTERMEDIATES)/JAVA_LIBRARIES/signapk_intermediates \
333  $(HOST_OUT_COMMON_INTERMEDIATES)/JAVA_LIBRARIES/dx_intermediates \
334  $(HOST_OUT_COMMON_INTERMEDIATES)/JAVA_LIBRARIES/shrinkedAndroid_intermediates \
335  $(HOST_OUT)/obj*/EXECUTABLES/aapt_intermediates \
336  $(HOST_OUT)/obj*/EXECUTABLES/aidl_intermediates \
337  $(HOST_OUT)/obj*/EXECUTABLES/zipalign_intermediates \
338  $(HOST_OUT)/obj*/lib/libc++$(HOST_SHLIB_SUFFIX) \
339
340$(info *** build type changed, clean host tools...)
341$(info *** rm -rf $(tools_clean_files))
342$(shell rm -rf $(tools_clean_files))
343endif
344
345###########################################################
346
347.PHONY: clean-jack-files
348clean-jack-files: clean-dex-files
349	$(hide) find $(OUT_DIR) -name "*.jack" | xargs rm -f
350	$(hide) find $(OUT_DIR) -type d -name "jack" | xargs rm -rf
351	@echo "All jack files have been removed."
352
353.PHONY: clean-dex-files
354clean-dex-files:
355	$(hide) find $(OUT_DIR) -name "*.dex" ! -path "*/jack-incremental/*" | xargs rm -f
356	$(hide) for i in `find $(OUT_DIR) -name "*.jar" -o -name "*.apk"` ; do ((unzip -l $$i 2> /dev/null | \
357				grep -q "\.dex$$" && rm -f $$i) || continue ) ; done
358	@echo "All dex files and archives containing dex files have been removed."
359
360.PHONY: clean-jack-incremental
361clean-jack-incremental:
362	$(hide) find $(OUT_DIR) -name "jack-incremental" -type d | xargs rm -rf
363	@echo "All jack incremental dirs have been removed."
364