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Commit 6877e814 authored by Kelvin Zhang's avatar Kelvin Zhang
Browse files

Embed host liblz4.so in target_files 

This file will be used by OTA generator to compress generated patches.
We need the host copy of LZ4 to ensure that compressed bytes matches
what the device would get if the compression were to be done on device.
For more details see go/lz4diff

Bug: 206729162
Test: m dist

Change-Id: I9c4ab772b001bf47da75cb87b028a1f27e2321a8
parent 70ca7c6a

core/Makefile

+6 −3
Original line number Diff line number Diff line
@@ -4863,14 +4863,16 @@ $(BUILT_TARGET_FILES_PACKAGE): PRIVATE_OTA_TOOLS := $(built_ota_tools) 
tool_extension := $(wildcard $(tool_extensions)/releasetools.py)

$(BUILT_TARGET_FILES_PACKAGE): PRIVATE_TOOL_EXTENSION := $(tool_extension)



updaer_dep :=

ifeq ($(AB_OTA_UPDATER),true)

updater_dep := system/update_engine/update_engine.conf

updater_dep := external/zucchini/version_info.h

updater_dep += system/update_engine/update_engine.conf

updater_dep += external/zucchini/version_info.h

updater_dep += $(HOST_OUT_SHARED_LIBRARIES)/liblz4.so

endif



# Build OTA tools if non-A/B is allowed

ifeq ($(TARGET_OTA_ALLOW_NON_AB),true)

updater_dep := $(built_ota_tools)

updater_dep += $(built_ota_tools)

endif



$(BUILT_TARGET_FILES_PACKAGE): $(updater_dep)
@@ -5351,6 +5353,7 @@ ifeq ($(AB_OTA_UPDATER),true) 
	@# When using the A/B updater, include the updater config files in the zip.

	$(hide) cp $(TOPDIR)system/update_engine/update_engine.conf $(zip_root)/META/update_engine_config.txt

	$(hide) cp $(TOPDIR)external/zucchini/version_info.h $(zip_root)/META/zucchini_config.txt

	$(hide) cp $(HOST_OUT_SHARED_LIBRARIES)/liblz4.so $(zip_root)/META/liblz4.so

	$(hide) for part in $(strip $(AB_OTA_PARTITIONS)); do \

	  echo "$${part}" >> $(zip_root)/META/ab_partitions.txt; \

	done