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[android-x86/build.git] / core / post_clean.mk
1 # Copyright (C) 2012 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 # Clean steps that need global knowledge of individual modules.
16 # This file must be included after all Android.mks have been loaded.
17
18 #######################################################
19 # Checks the current build configurations against the previous build,
20 # clean artifacts in TARGET_COMMON_OUT_ROOT if necessary.
21 # If a package's resource overlay has been changed, its R class needs to be
22 # regenerated.
23 previous_package_overlay_config := $(TARGET_OUT_COMMON_INTERMEDIATES)/APPS/previous_overlays.txt
24 current_package_overlay_config := $(TARGET_OUT_COMMON_INTERMEDIATES)/APPS/current_overlays.txt
25 current_all_packages_config := $(dir $(current_package_overlay_config))current_packages.txt
26
27 $(shell rm -rf $(current_package_overlay_config) \
28     && mkdir -p $(dir $(current_package_overlay_config)) \
29     && touch $(current_package_overlay_config))
30 $(shell echo '$(PACKAGES)' > $(current_all_packages_config))
31 $(foreach p, $(PACKAGES), $(if $(PACKAGES.$(p).RESOURCE_OVERLAYS), \
32   $(shell echo '$(p)' '$(PACKAGES.$(p).RESOURCE_OVERLAYS)' >> $(current_package_overlay_config))))
33
34 ifneq (,$(wildcard $(previous_package_overlay_config)))
35 packages_overlay_changed := $(shell build/tools/diff_package_overlays.py \
36     $(current_all_packages_config) $(current_package_overlay_config) \
37     $(previous_package_overlay_config))
38 ifneq (,$(packages_overlay_changed))
39 overlay_cleanup_cmd := $(strip rm -rf $(foreach p, $(packages_overlay_changed),\
40     $(TARGET_OUT_COMMON_INTERMEDIATES)/APPS/$(p)_intermediates))
41 $(info *** Overlay change detected, clean shared intermediate files...)
42 $(info *** $(overlay_cleanup_cmd))
43 $(shell $(overlay_cleanup_cmd))
44 overlay_cleanup_cmd :=
45 endif
46 packages_overlay_changed :=
47 endif
48
49 # Now current becomes previous.
50 $(shell mv -f $(current_package_overlay_config) $(previous_package_overlay_config))
51
52 previous_package_overlay_config :=
53 current_package_overlay_config :=
54 current_all_packages_config :=
55
56 #######################################################
57 # Check if we need to delete obsolete aidl-generated java files.
58 # When an aidl file gets deleted (or renamed), the generated java file is obsolete.
59 previous_aidl_config := $(TARGET_OUT_COMMON_INTERMEDIATES)/previous_aidl_config.mk
60 current_aidl_config := $(TARGET_OUT_COMMON_INTERMEDIATES)/current_aidl_config.mk
61
62 $(shell rm -rf $(current_aidl_config) \
63   && mkdir -p $(dir $(current_aidl_config))\
64   && touch $(current_aidl_config))
65 -include $(previous_aidl_config)
66
67 intermediates_to_clean :=
68 modules_with_aidl_files :=
69 $(foreach p, $(ALL_MODULES), \
70   $(if $(ALL_MODULES.$(p).AIDL_FILES),\
71     $(eval modules_with_aidl_files += $(p))\
72     $(shell echo 'AIDL_FILES.$(p) := $(ALL_MODULES.$(p).AIDL_FILES)' >> $(current_aidl_config)))\
73   $(if $(filter-out $(ALL_MODULES.$(p).AIDL_FILES),$(AIDL_FILES.$(p))),\
74     $(eval intermediates_to_clean += $(ALL_MODULES.$(p).INTERMEDIATE_SOURCE_DIR))))
75 intermediates_to_clean := $(strip $(intermediates_to_clean))
76 ifdef intermediates_to_clean
77 $(info *** Obsolete aidl-generated files detected, clean intermediate files...)
78 $(info *** rm -rf $(intermediates_to_clean))
79 $(shell rm -rf $(intermediates_to_clean))
80 intermediates_to_clean :=
81 endif
82
83 # For modules not loaded by the current build (e.g. you are running mm/mmm),
84 # we copy the info from the previous bulid.
85 $(foreach p, $(filter-out $(ALL_MODULES),$(MODULES_WITH_AIDL_FILES)),\
86   $(shell echo 'AIDL_FILES.$(p) := $(AIDL_FILES.$(p))' >> $(current_aidl_config)))
87 MODULES_WITH_AIDL_FILES := $(sort $(MODULES_WITH_AIDL_FILES) $(modules_with_aidl_files))
88 $(shell echo 'MODULES_WITH_AIDL_FILES := $(MODULES_WITH_AIDL_FILES)' >> $(current_aidl_config))
89
90 # Now current becomes previous.
91 $(shell mv -f $(current_aidl_config) $(previous_aidl_config))
92
93 MODULES_WITH_AIDL_FILES :=
94 modules_with_aidl_files :=
95 previous_aidl_config :=
96 current_aidl_config :=