1#
2# Copyright (C) 2020 The Android Open Source Project
3#
4# Licensed under the Apache License, Version 2.0 (the "License");
5# you may not use this file except in compliance with the License.
6# You may obtain a copy of the License at
7#
8#      http://www.apache.org/licenses/LICENSE-2.0
9#
10# Unless required by applicable law or agreed to in writing, software
11# distributed under the License is distributed on an "AS IS" BASIS,
12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13# See the License for the specific language governing permissions and
14# limitations under the License.
15#
16
17# sysprop.mk defines rules for generating <partition>/[etc/]build.prop files
18
19# -----------------------------------------------------------------
20# property_overrides_split_enabled
21property_overrides_split_enabled :=
22ifeq ($(BOARD_PROPERTY_OVERRIDES_SPLIT_ENABLED), true)
23  property_overrides_split_enabled := true
24endif
25
26POST_PROCESS_PROPS := $(HOST_OUT_EXECUTABLES)/post_process_props$(HOST_EXECUTABLE_SUFFIX)
27
28# Emits a set of sysprops common to all partitions to a file.
29# $(1): Partition name
30# $(2): Output file name
31define generate-common-build-props
32    echo "####################################" >> $(2);\
33    echo "# from generate-common-build-props" >> $(2);\
34    echo "# These properties identify this partition image." >> $(2);\
35    echo "####################################" >> $(2);\
36    $(if $(filter system,$(1)),\
37        echo "ro.product.$(1).brand=$(PRODUCT_SYSTEM_BRAND)" >> $(2);\
38        echo "ro.product.$(1).device=$(PRODUCT_SYSTEM_DEVICE)" >> $(2);\
39        echo "ro.product.$(1).manufacturer=$(PRODUCT_SYSTEM_MANUFACTURER)" >> $(2);\
40        echo "ro.product.$(1).model=$(PRODUCT_SYSTEM_MODEL)" >> $(2);\
41        echo "ro.product.$(1).name=$(PRODUCT_SYSTEM_NAME)" >> $(2);\
42      ,\
43        echo "ro.product.$(1).brand=$(PRODUCT_BRAND)" >> $(2);\
44        echo "ro.product.$(1).device=$(TARGET_DEVICE)" >> $(2);\
45        echo "ro.product.$(1).manufacturer=$(PRODUCT_MANUFACTURER)" >> $(2);\
46        echo "ro.product.$(1).model=$(PRODUCT_MODEL)" >> $(2);\
47        echo "ro.product.$(1).name=$(TARGET_PRODUCT)" >> $(2);\
48        if [ -n "$(strip $(PRODUCT_MODEL_FOR_ATTESTATION))" ]; then \
49            echo "ro.product.model_for_attestation=$(PRODUCT_MODEL_FOR_ATTESTATION)" >> $(2);\
50        fi; \
51        if [ -n "$(strip $(PRODUCT_BRAND_FOR_ATTESTATION))" ]; then \
52            echo "ro.product.brand_for_attestation=$(PRODUCT_BRAND_FOR_ATTESTATION)" >> $(2);\
53        fi; \
54        if [ -n "$(strip $(PRODUCT_NAME_FOR_ATTESTATION))" ]; then \
55            echo "ro.product.name_for_attestation=$(PRODUCT_NAME_FOR_ATTESTATION)" >> $(2);\
56        fi; \
57        if [ -n "$(strip $(PRODUCT_DEVICE_FOR_ATTESTATION))" ]; then \
58            echo "ro.product.device_for_attestation=$(PRODUCT_DEVICE_FOR_ATTESTATION)" >> $(2);\
59        fi; \
60        if [ -n "$(strip $(PRODUCT_MANUFACTURER_FOR_ATTESTATION))" ]; then \
61            echo "ro.product.manufacturer_for_attestation=$(PRODUCT_MANUFACTURER_FOR_ATTESTATION)" >> $(2);\
62        fi; \
63    )\
64    $(if $(filter true,$(ZYGOTE_FORCE_64)),\
65        $(if $(filter vendor,$(1)),\
66            echo "ro.$(1).product.cpu.abilist=$(TARGET_CPU_ABI_LIST_64_BIT)" >> $(2);\
67            echo "ro.$(1).product.cpu.abilist32=" >> $(2);\
68            echo "ro.$(1).product.cpu.abilist64=$(TARGET_CPU_ABI_LIST_64_BIT)" >> $(2);\
69        )\
70    ,\
71        $(if $(filter system vendor odm,$(1)),\
72            echo "ro.$(1).product.cpu.abilist=$(TARGET_CPU_ABI_LIST)" >> $(2);\
73            echo "ro.$(1).product.cpu.abilist32=$(TARGET_CPU_ABI_LIST_32_BIT)" >> $(2);\
74            echo "ro.$(1).product.cpu.abilist64=$(TARGET_CPU_ABI_LIST_64_BIT)" >> $(2);\
75        )\
76    )\
77    echo "ro.$(1).build.date=`$(DATE_FROM_FILE)`" >> $(2);\
78    echo "ro.$(1).build.date.utc=`$(DATE_FROM_FILE) +%s`" >> $(2);\
79    # Allow optional assignments for ARC forward-declarations (b/249168657)
80    # TODO: Remove any tag-related inconsistencies once the goals from
81    # go/arc-android-sigprop-changes have been achieved.
82    echo "ro.$(1).build.fingerprint?=$(BUILD_FINGERPRINT_FROM_FILE)" >> $(2);\
83    echo "ro.$(1).build.id?=$(BUILD_ID)" >> $(2);\
84    echo "ro.$(1).build.tags?=$(BUILD_VERSION_TAGS)" >> $(2);\
85    echo "ro.$(1).build.type=$(TARGET_BUILD_VARIANT)" >> $(2);\
86    echo "ro.$(1).build.version.incremental=$(BUILD_NUMBER_FROM_FILE)" >> $(2);\
87    echo "ro.$(1).build.version.release=$(PLATFORM_VERSION_LAST_STABLE)" >> $(2);\
88    echo "ro.$(1).build.version.release_or_codename=$(PLATFORM_VERSION)" >> $(2);\
89    echo "ro.$(1).build.version.sdk=$(PLATFORM_SDK_VERSION)" >> $(2);\
90
91endef
92
93# Rule for generating <partition>/[etc/]build.prop file
94#
95# $(1): partition name
96# $(2): path to the output
97# $(3): path to the input *.prop files. The contents of the files are directly
98#       emitted to the output
99# $(4): list of variable names each of which contains name=value pairs
100# $(5): optional list of prop names to force remove from the output. Properties from both
101#       $(3) and (4) are affected
102# $(6): optional list of files to append at the end. The content of each file is emitted
103#       to the output
104# $(7): optional flag to skip common properties generation
105define build-properties
106ALL_DEFAULT_INSTALLED_MODULES += $(2)
107
108$(eval # Properties can be assigned using `prop ?= value` or `prop = value` syntax.)
109$(eval # Eliminate spaces around the ?= and = separators.)
110$(foreach name,$(strip $(4)),\
111    $(eval _temp := $$(call collapse-pairs,$$($(name)),?=))\
112    $(eval _resolved_$(name) := $$(call collapse-pairs,$$(_temp),=))\
113)
114
115$(eval # Implement the legacy behavior when BUILD_BROKEN_DUP_SYSPROP is on.)
116$(eval # Optional assignments are all converted to normal assignments and)
117$(eval # when their duplicates the first one wins)
118$(if $(filter true,$(BUILD_BROKEN_DUP_SYSPROP)),\
119    $(foreach name,$(strip $(4)),\
120        $(eval _temp := $$(subst ?=,=,$$(_resolved_$(name))))\
121        $(eval _resolved_$(name) := $$(call uniq-pairs-by-first-component,$$(_resolved_$(name)),=))\
122    )\
123    $(eval _option := --allow-dup)\
124)
125
126$(2): $(POST_PROCESS_PROPS) $(INTERNAL_BUILD_ID_MAKEFILE) $(3) $(6) $(BUILT_KERNEL_VERSION_FILE_FOR_UFFD_GC)
127	$(hide) echo Building $$@
128	$(hide) mkdir -p $$(dir $$@)
129	$(hide) rm -f $$@ && touch $$@
130ifneq ($(strip $(7)), true)
131	$(hide) $$(call generate-common-build-props,$(call to-lower,$(strip $(1))),$$@)
132endif
133	$(hide) $(foreach file,$(strip $(3)),\
134	    if [ -f "$(file)" ]; then\
135	        echo "" >> $$@;\
136	        echo "####################################" >> $$@;\
137	        echo "# from $(file)" >> $$@;\
138	        echo "####################################" >> $$@;\
139	        cat $(file) >> $$@;\
140	    fi;)
141	$(hide) $(foreach name,$(strip $(4)),\
142	    echo "" >> $$@;\
143	    echo "####################################" >> $$@;\
144	    echo "# from variable $(name)" >> $$@;\
145	    echo "####################################" >> $$@;\
146	    $$(foreach line,$$(_resolved_$(name)),\
147	        echo "$$(line)" >> $$@;\
148	    )\
149	)
150	$(hide) $(POST_PROCESS_PROPS) $$(_option) \
151	  --sdk-version $(PLATFORM_SDK_VERSION) \
152	  --kernel-version-file-for-uffd-gc "$(BUILT_KERNEL_VERSION_FILE_FOR_UFFD_GC)" \
153	  $$@ $(5)
154	$(hide) $(foreach file,$(strip $(6)),\
155	    if [ -f "$(file)" ]; then\
156	        cat $(file) >> $$@;\
157	    fi;)
158	$(hide) echo "# end of file" >> $$@
159
160$(call declare-1p-target,$(2))
161endef
162
163# -----------------------------------------------------------------
164# Define fingerprint, thumbprint, and version tags for the current build
165#
166# BUILD_VERSION_TAGS is a comma-separated list of tags chosen by the device
167# implementer that further distinguishes the build. It's basically defined
168# by the device implementer. Here, we are adding a mandatory tag that
169# identifies the signing config of the build.
170BUILD_VERSION_TAGS := $(BUILD_VERSION_TAGS)
171ifeq ($(TARGET_BUILD_TYPE),debug)
172  BUILD_VERSION_TAGS += debug
173endif
174# The "test-keys" tag marks builds signed with the old test keys,
175# which are available in the SDK.  "dev-keys" marks builds signed with
176# non-default dev keys (usually private keys from a vendor directory).
177# Both of these tags will be removed and replaced with "release-keys"
178# when the target-files is signed in a post-build step.
179ifeq ($(DEFAULT_SYSTEM_DEV_CERTIFICATE),build/make/target/product/security/testkey)
180BUILD_KEYS := test-keys
181else
182BUILD_KEYS := dev-keys
183endif
184BUILD_VERSION_TAGS += $(BUILD_KEYS)
185BUILD_VERSION_TAGS := $(subst $(space),$(comma),$(sort $(BUILD_VERSION_TAGS)))
186
187# BUILD_FINGERPRINT is used used to uniquely identify the combined build and
188# product; used by the OTA server.
189ifeq (,$(strip $(BUILD_FINGERPRINT)))
190  BUILD_FINGERPRINT := $(PRODUCT_BRAND)/$(TARGET_PRODUCT)/$(TARGET_DEVICE):$(PLATFORM_VERSION)/$(BUILD_ID)/$(BUILD_NUMBER_FROM_FILE):$(TARGET_BUILD_VARIANT)/$(BUILD_VERSION_TAGS)
191endif
192
193BUILD_FINGERPRINT_FILE := $(PRODUCT_OUT)/build_fingerprint.txt
194ifneq (,$(shell mkdir -p $(PRODUCT_OUT) && echo $(BUILD_FINGERPRINT) >$(BUILD_FINGERPRINT_FILE) && grep " " $(BUILD_FINGERPRINT_FILE)))
195  $(error BUILD_FINGERPRINT cannot contain spaces: "$(file <$(BUILD_FINGERPRINT_FILE))")
196endif
197BUILD_FINGERPRINT_FROM_FILE := $$(cat $(BUILD_FINGERPRINT_FILE))
198# unset it for safety.
199BUILD_FINGERPRINT :=
200
201# BUILD_THUMBPRINT is used to uniquely identify the system build; used by the
202# OTA server. This purposefully excludes any product-specific variables.
203ifeq (,$(strip $(BUILD_THUMBPRINT)))
204  BUILD_THUMBPRINT := $(PLATFORM_VERSION)/$(BUILD_ID)/$(BUILD_NUMBER_FROM_FILE):$(TARGET_BUILD_VARIANT)/$(BUILD_VERSION_TAGS)
205endif
206
207BUILD_THUMBPRINT_FILE := $(PRODUCT_OUT)/build_thumbprint.txt
208ifeq ($(strip $(HAS_BUILD_NUMBER)),true)
209$(BUILD_THUMBPRINT_FILE): $(BUILD_NUMBER_FILE)
210endif
211ifneq (,$(shell mkdir -p $(PRODUCT_OUT) && echo $(BUILD_THUMBPRINT) >$(BUILD_THUMBPRINT_FILE) && grep " " $(BUILD_THUMBPRINT_FILE)))
212  $(error BUILD_THUMBPRINT cannot contain spaces: "$(file <$(BUILD_THUMBPRINT_FILE))")
213endif
214# unset it for safety.
215BUILD_THUMBPRINT_FILE :=
216BUILD_THUMBPRINT :=
217
218KNOWN_OEM_THUMBPRINT_PROPERTIES := \
219    ro.product.brand \
220    ro.product.name \
221    ro.product.device
222OEM_THUMBPRINT_PROPERTIES := $(filter $(KNOWN_OEM_THUMBPRINT_PROPERTIES),\
223    $(PRODUCT_OEM_PROPERTIES))
224KNOWN_OEM_THUMBPRINT_PROPERTIES:=
225
226# -----------------------------------------------------------------
227# system/build.prop
228#
229# Note: parts of this file that can't be generated by the build-properties
230# macro are manually created as separate files and then fed into the macro
231
232buildinfo_prop := $(call intermediates-dir-for,ETC,buildinfo.prop)/buildinfo.prop
233
234ifdef TARGET_SYSTEM_PROP
235system_prop_file := $(TARGET_SYSTEM_PROP)
236else
237system_prop_file := $(wildcard $(TARGET_DEVICE_DIR)/system.prop)
238endif
239
240_prop_files_ := \
241  $(buildinfo_prop) \
242  $(system_prop_file)
243
244# Order matters here. When there are duplicates, the last one wins.
245# TODO(b/117892318): don't allow duplicates so that the ordering doesn't matter
246_prop_vars_ := \
247    ADDITIONAL_SYSTEM_PROPERTIES \
248    PRODUCT_SYSTEM_PROPERTIES
249
250# TODO(b/117892318): deprecate this
251_prop_vars_ += \
252    PRODUCT_SYSTEM_DEFAULT_PROPERTIES
253
254ifndef property_overrides_split_enabled
255_prop_vars_ += \
256    ADDITIONAL_VENDOR_PROPERTIES \
257    PRODUCT_VENDOR_PROPERTIES
258endif
259
260INSTALLED_BUILD_PROP_TARGET := $(TARGET_OUT)/build.prop
261
262$(eval $(call build-properties,\
263    system,\
264    $(INSTALLED_BUILD_PROP_TARGET),\
265    $(_prop_files_),\
266    $(_prop_vars_),\
267    $(PRODUCT_SYSTEM_PROPERTY_BLACKLIST),\
268    $(empty),\
269    $(empty)))
270
271$(eval $(call declare-1p-target,$(INSTALLED_BUILD_PROP_TARGET)))
272
273# -----------------------------------------------------------------
274# vendor/build.prop
275#
276_prop_files_ := $(if $(TARGET_VENDOR_PROP),\
277    $(TARGET_VENDOR_PROP),\
278    $(wildcard $(TARGET_DEVICE_DIR)/vendor.prop))
279
280android_info_prop := $(call intermediates-dir-for,ETC,android_info_prop)/android_info.prop
281$(android_info_prop): $(INSTALLED_ANDROID_INFO_TXT_TARGET)
282	cat $< | grep 'require version-' | sed -e 's/require version-/ro.build.expect./g' > $@
283
284_prop_files_ += $(android_info_prop)
285
286ifdef property_overrides_split_enabled
287# Order matters here. When there are duplicates, the last one wins.
288# TODO(b/117892318): don't allow duplicates so that the ordering doesn't matter
289_prop_vars_ := \
290    ADDITIONAL_VENDOR_PROPERTIES \
291    PRODUCT_VENDOR_PROPERTIES
292
293# TODO(b/117892318): deprecate this
294_prop_vars_ += \
295    PRODUCT_DEFAULT_PROPERTY_OVERRIDES \
296    PRODUCT_PROPERTY_OVERRIDES
297else
298_prop_vars_ :=
299endif
300
301INSTALLED_VENDOR_BUILD_PROP_TARGET := $(TARGET_OUT_VENDOR)/build.prop
302$(eval $(call build-properties,\
303    vendor,\
304    $(INSTALLED_VENDOR_BUILD_PROP_TARGET),\
305    $(_prop_files_),\
306    $(_prop_vars_),\
307    $(PRODUCT_VENDOR_PROPERTY_BLACKLIST),\
308    $(empty),\
309    $(empty)))
310
311$(eval $(call declare-1p-target,$(INSTALLED_VENDOR_BUILD_PROP_TARGET)))
312
313# -----------------------------------------------------------------
314# product/etc/build.prop
315#
316
317_prop_files_ := $(if $(TARGET_PRODUCT_PROP),\
318    $(TARGET_PRODUCT_PROP),\
319    $(wildcard $(TARGET_DEVICE_DIR)/product.prop))
320
321# Order matters here. When there are duplicates, the last one wins.
322# TODO(b/117892318): don't allow duplicates so that the ordering doesn't matter
323_prop_vars_ := \
324    ADDITIONAL_PRODUCT_PROPERTIES \
325    PRODUCT_PRODUCT_PROPERTIES
326
327INSTALLED_PRODUCT_BUILD_PROP_TARGET := $(TARGET_OUT_PRODUCT)/etc/build.prop
328
329ifdef PRODUCT_OEM_PROPERTIES
330import_oem_prop := $(call intermediates-dir-for,ETC,import_oem_prop)/oem.prop
331
332$(import_oem_prop):
333	$(hide) echo "####################################" >> $@; \
334	        echo "# PRODUCT_OEM_PROPERTIES" >> $@; \
335	        echo "####################################" >> $@;
336	$(hide) $(foreach prop,$(PRODUCT_OEM_PROPERTIES), \
337	    echo "import /oem/oem.prop $(prop)" >> $@;)
338
339_footers_ := $(import_oem_prop)
340else
341_footers_ :=
342endif
343
344# Skip common /product properties generation if device released before R and
345# has no product partition. This is the first part of the check.
346ifeq ($(call math_lt,$(if $(PRODUCT_SHIPPING_API_LEVEL),$(PRODUCT_SHIPPING_API_LEVEL),30),30), true)
347  _skip_common_properties := true
348endif
349
350# The second part of the check - always generate common properties for the
351# devices with product partition regardless of shipping level.
352ifneq ($(BOARD_USES_PRODUCTIMAGE),)
353  _skip_common_properties :=
354endif
355
356$(eval $(call build-properties,\
357    product,\
358    $(INSTALLED_PRODUCT_BUILD_PROP_TARGET),\
359    $(_prop_files_),\
360    $(_prop_vars_),\
361    $(empty),\
362    $(_footers_),\
363    $(_skip_common_properties)))
364
365$(eval $(call declare-1p-target,$(INSTALLED_PRODUCT_BUILD_PROP_TARGET)))
366
367_skip_common_properties :=
368
369# ----------------------------------------------------------------
370# odm/etc/build.prop
371#
372_prop_files_ := $(if $(TARGET_ODM_PROP),\
373    $(TARGET_ODM_PROP),\
374    $(wildcard $(TARGET_DEVICE_DIR)/odm.prop))
375
376# Order matters here. When there are duplicates, the last one wins.
377# TODO(b/117892318): don't allow duplicates so that the ordering doesn't matter
378_prop_vars_ := \
379    ADDITIONAL_ODM_PROPERTIES \
380    PRODUCT_ODM_PROPERTIES
381
382INSTALLED_ODM_BUILD_PROP_TARGET := $(TARGET_OUT_ODM)/etc/build.prop
383$(eval $(call build-properties,\
384    odm,\
385    $(INSTALLED_ODM_BUILD_PROP_TARGET),\
386    $(_prop_files_),\
387    $(_prop_vars_),\
388    $(empty),\
389    $(empty),\
390    $(empty)))
391
392$(eval $(call declare-1p-target,$(INSTALLED_ODM_BUILD_PROP_TARGET)))
393
394# ----------------------------------------------------------------
395# vendor_dlkm/etc/build.prop
396#
397
398INSTALLED_VENDOR_DLKM_BUILD_PROP_TARGET := $(TARGET_OUT_VENDOR_DLKM)/etc/build.prop
399$(eval $(call build-properties,\
400    vendor_dlkm,\
401    $(INSTALLED_VENDOR_DLKM_BUILD_PROP_TARGET),\
402    $(empty),\
403    $(empty),\
404    $(empty),\
405    $(empty),\
406    $(empty)))
407
408$(eval $(call declare-1p-target,$(INSTALLED_VENDOR_DLKM_BUILD_PROP_TARGET)))
409
410# ----------------------------------------------------------------
411# odm_dlkm/etc/build.prop
412#
413
414INSTALLED_ODM_DLKM_BUILD_PROP_TARGET := $(TARGET_OUT_ODM_DLKM)/etc/build.prop
415$(eval $(call build-properties,\
416    odm_dlkm,\
417    $(INSTALLED_ODM_DLKM_BUILD_PROP_TARGET),\
418    $(empty),\
419    $(empty),\
420    $(empty),\
421    $(empty),\
422    $(empty)))
423
424$(eval $(call declare-1p-target,$(INSTALLED_ODM_DLKM_BUILD_PROP_TARGET)))
425
426# ----------------------------------------------------------------
427# system_dlkm/build.prop
428#
429
430INSTALLED_SYSTEM_DLKM_BUILD_PROP_TARGET := $(TARGET_OUT_SYSTEM_DLKM)/etc/build.prop
431$(eval $(call build-properties,\
432    system_dlkm,\
433    $(INSTALLED_SYSTEM_DLKM_BUILD_PROP_TARGET),\
434    $(empty),\
435    $(empty),\
436    $(empty),\
437    $(empty),\
438    $(empty)))
439
440$(eval $(call declare-1p-target,$(INSTALLED_SYSTEM_DLKM_BUILD_PROP_TARGET)))
441
442# -----------------------------------------------------------------
443# system_ext/etc/build.prop
444#
445_prop_files_ := $(if $(TARGET_SYSTEM_EXT_PROP),\
446    $(TARGET_SYSTEM_EXT_PROP),\
447    $(wildcard $(TARGET_DEVICE_DIR)/system_ext.prop))
448
449# Order matters here. When there are duplicates, the last one wins.
450# TODO(b/117892318): don't allow duplicates so that the ordering doesn't matter
451_prop_vars_ := PRODUCT_SYSTEM_EXT_PROPERTIES
452
453INSTALLED_SYSTEM_EXT_BUILD_PROP_TARGET := $(TARGET_OUT_SYSTEM_EXT)/etc/build.prop
454$(eval $(call build-properties,\
455    system_ext,\
456    $(INSTALLED_SYSTEM_EXT_BUILD_PROP_TARGET),\
457    $(_prop_files_),\
458    $(_prop_vars_),\
459    $(empty),\
460    $(empty),\
461    $(empty)))
462
463$(eval $(call declare-1p-target,$(INSTALLED_SYSTEM_EXT_BUILD_PROP_TARGET)))
464
465# ----------------------------------------------------------------
466# ramdisk/boot/etc/build.prop
467#
468
469RAMDISK_BUILD_PROP_REL_PATH := system/etc/ramdisk/build.prop
470INSTALLED_RAMDISK_BUILD_PROP_TARGET := $(TARGET_RAMDISK_OUT)/$(RAMDISK_BUILD_PROP_REL_PATH)
471$(eval $(call build-properties,\
472    bootimage,\
473    $(INSTALLED_RAMDISK_BUILD_PROP_TARGET),\
474    $(empty),\
475    $(empty),\
476    $(empty),\
477    $(empty),\
478    $(empty)))
479
480$(eval $(call declare-1p-target,$(INSTALLED_RAMDISK_BUILD_PROP_TARGET)))
481
482ALL_INSTALLED_BUILD_PROP_FILES := \
483  $(INSTALLED_BUILD_PROP_TARGET) \
484  $(INSTALLED_VENDOR_BUILD_PROP_TARGET) \
485  $(INSTALLED_PRODUCT_BUILD_PROP_TARGET) \
486  $(INSTALLED_ODM_BUILD_PROP_TARGET) \
487  $(INSTALLED_VENDOR_DLKM_BUILD_PROP_TARGET) \
488  $(INSTALLED_ODM_DLKM_BUILD_PROP_TARGET) \
489  $(INSTALLED_SYSTEM_DLKM_BUILD_PROP_TARGET) \
490  $(INSTALLED_SYSTEM_EXT_BUILD_PROP_TARGET) \
491  $(INSTALLED_RAMDISK_BUILD_PROP_TARGET)
492
493# $1 installed file path, e.g. out/target/product/vsoc_x86_64/system/build.prop
494define is-build-prop
495$(if $(findstring $1,$(ALL_INSTALLED_BUILD_PROP_FILES)),Y)
496endef
497