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129 lines
5.2 KiB
129 lines
5.2 KiB
#
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# Copyright (C) 2018 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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##### Input Variables:
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# LOCAL_MODULE: required. Module name for the build system.
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# LOCAL_MODULE_CLASS: optional. Default is ETC.
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# LOCAL_MODULE_PATH / LOCAL_MODULE_RELATIVE_PATH: required. (Relative) path of output file.
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# If not defined, LOCAL_MODULE_RELATIVE_PATH will be "vintf".
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# LOCAL_MODULE_STEM: optional. Name of output file. Default is $(LOCAL_MODULE).
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# LOCAL_SRC_FILES: required. Local source files provided to assemble_vintf
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# (command line argument -i).
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# LOCAL_GENERATED_SOURCES: optional. Global source files provided to assemble_vintf
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# (command line argument -i).
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#
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# LOCAL_ADD_VBMETA_VERSION: Use AVBTOOL to add avb version to the output matrix
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# (corresponds to <avb><vbmeta-version> tag)
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# LOCAL_ASSEMBLE_VINTF_ENV_VARS: Add a list of environment variable names from global variables in
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# the build system that is lazily evaluated (e.g. PRODUCT_ENFORCE_VINTF_MANIFEST).
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# LOCAL_ASSEMBLE_VINTF_ENV_VARS_OVERRIDE: Add a list of environment variables that is local to
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# assemble_vintf invocation. Format is "VINTF_ENFORCE_NO_UNUSED_HALS=true".
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# LOCAL_ASSEMBLE_VINTF_FLAGS: Add additional command line arguments to assemble_vintf invocation.
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# LOCAL_KERNEL_CONFIG_DATA_PATHS: Paths to search for kernel config requirements. Format for each is
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# <kernel version x.y.z>:<path that contains android-base*.config>.
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# LOCAL_GEN_FILE_DEPENDENCIES: A list of additional dependencies for the generated file.
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ifndef LOCAL_MODULE
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$(error LOCAL_MODULE must be defined.)
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endif
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ifndef LOCAL_MODULE_STEM
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LOCAL_MODULE_STEM := $(LOCAL_MODULE)
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endif
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ifndef LOCAL_MODULE_CLASS
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LOCAL_MODULE_CLASS := ETC
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endif
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ifndef LOCAL_MODULE_PATH
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ifndef LOCAL_MODULE_RELATIVE_PATH
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$(error Either LOCAL_MODULE_PATH or LOCAL_MODULE_RELATIVE_PATH must be defined.)
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endif
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endif
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GEN := $(local-generated-sources-dir)/$(LOCAL_MODULE_STEM)
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$(GEN): PRIVATE_ENV_VARS := $(LOCAL_ASSEMBLE_VINTF_ENV_VARS)
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$(GEN): PRIVATE_FLAGS := $(LOCAL_ASSEMBLE_VINTF_FLAGS)
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$(GEN): $(LOCAL_GEN_FILE_DEPENDENCIES)
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ifeq (true,$(strip $(LOCAL_ADD_VBMETA_VERSION)))
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ifeq (true,$(BOARD_AVB_ENABLE))
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$(GEN): $(AVBTOOL)
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# INTERNAL_AVB_SYSTEM_SIGNING_ARGS consists of BOARD_AVB_SYSTEM_KEY_PATH and
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# BOARD_AVB_SYSTEM_ALGORITHM. We should add the dependency of key path, which
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# is a file, here.
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$(GEN): $(BOARD_AVB_SYSTEM_KEY_PATH)
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# Use deferred assignment (=) instead of immediate assignment (:=).
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# Otherwise, cannot get INTERNAL_AVB_SYSTEM_SIGNING_ARGS.
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$(GEN): FRAMEWORK_VBMETA_VERSION = $$("$(AVBTOOL)" add_hashtree_footer \
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--print_required_libavb_version \
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$(INTERNAL_AVB_SYSTEM_SIGNING_ARGS) \
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$(BOARD_AVB_SYSTEM_ADD_HASHTREE_FOOTER_ARGS))
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else
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$(GEN): FRAMEWORK_VBMETA_VERSION := 0.0
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endif # BOARD_AVB_ENABLE
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$(GEN): PRIVATE_ENV_VARS += FRAMEWORK_VBMETA_VERSION
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endif # LOCAL_ADD_VBMETA_VERSION
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ifeq (true,$(strip $(LOCAL_ADD_VBMETA_VERSION_OVERRIDE)))
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ifneq ($(BOARD_OTA_FRAMEWORK_VBMETA_VERSION_OVERRIDE),)
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$(GEN): FRAMEWORK_VBMETA_VERSION_OVERRIDE := $(BOARD_OTA_FRAMEWORK_VBMETA_VERSION_OVERRIDE)
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$(GEN): PRIVATE_ENV_VARS += FRAMEWORK_VBMETA_VERSION_OVERRIDE
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endif
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endif
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ifneq (,$(strip $(LOCAL_KERNEL_CONFIG_DATA_PATHS)))
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$(GEN): PRIVATE_KERNEL_CONFIG_DATA_PATHS := $(LOCAL_KERNEL_CONFIG_DATA_PATHS)
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$(GEN): $(foreach pair,$(LOCAL_KERNEL_CONFIG_DATA_PATHS),\
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$(wildcard $(call word-colon,2,$(pair))/android-base*.config))
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$(GEN): PRIVATE_FLAGS += $(foreach pair,$(PRIVATE_KERNEL_CONFIG_DATA_PATHS),\
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--kernel=$(call word-colon,1,$(pair)):$(call normalize-path-list,\
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$(wildcard $(call word-colon,2,$(pair))/android-base*.config)))
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endif
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my_matrix_src_files := \
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$(addprefix $(LOCAL_PATH)/,$(LOCAL_SRC_FILES)) \
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$(LOCAL_GENERATED_SOURCES)
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$(GEN): PRIVATE_ADDITIONAL_ENV_VARS := $(LOCAL_ASSEMBLE_VINTF_ENV_VARS_OVERRIDE)
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ifneq (,$(strip $(LOCAL_ASSEMBLE_VINTF_ERROR_MESSAGE)))
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$(GEN): PRIVATE_COMMAND_TAIL := || (echo $(strip $(LOCAL_ASSEMBLE_VINTF_ERROR_MESSAGE)) && false)
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endif
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$(GEN): PRIVATE_SRC_FILES := $(my_matrix_src_files)
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$(GEN): $(my_matrix_src_files) $(HOST_OUT_EXECUTABLES)/assemble_vintf
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$(foreach varname,$(PRIVATE_ENV_VARS),\
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$(if $(findstring $(varname),$(PRIVATE_ADDITIONAL_ENV_VARS)),\
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$(error $(varname) should not be overridden by LOCAL_ASSEMBLE_VINTF_ENV_VARS_OVERRIDE.)))
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$(foreach varname,$(PRIVATE_ENV_VARS),$(varname)="$($(varname))") \
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$(PRIVATE_ADDITIONAL_ENV_VARS) \
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$(HOST_OUT_EXECUTABLES)/assemble_vintf \
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-i $(call normalize-path-list,$(PRIVATE_SRC_FILES)) \
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-o $@ \
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$(PRIVATE_FLAGS) $(PRIVATE_COMMAND_TAIL)
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LOCAL_PREBUILT_MODULE_FILE := $(GEN)
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LOCAL_SRC_FILES :=
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LOCAL_GENERATED_SOURCES :=
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include $(LOCAL_PATH)/clear_vars.mk
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my_matrix_src_files :=
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include $(BUILD_PREBUILT)
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