target/product/gsi/Android.mk

LOCAL_PATH:= $(call my-dir)

#####################################################################
# Create the list of vndk libraries from the source code.

# Returns the unique installed basenames of a module, or module.so if there are
# none.  The guess is to handle cases like libc, where the module itself is
# marked uninstallable but a symlink is installed with the name libc.so.
# $(1): list of libraries
# $(2): suffix to to add to each library (not used for guess)
define module-installed-files-or-guess
$(foreach lib,$(1),$(or $(strip $(sort $(notdir $(call module-installed-files,$(lib)$(2))))),$(lib).so))
endef

INTERNAL_VNDK_LIB_LIST := $(call intermediates-dir-for,PACKAGING,vndk)/libs.txt
$(INTERNAL_VNDK_LIB_LIST): PRIVATE_LLNDK_LIBRARIES := \
	$(call module-installed-files-or-guess,$(filter-out libclang_rt.%,$(LLNDK_LIBRARIES)),)
$(INTERNAL_VNDK_LIB_LIST): PRIVATE_VNDK_SAMEPROCESS_LIBRARIES := \
	$(call module-installed-files-or-guess,$(VNDK_SAMEPROCESS_LIBRARIES),.vendor)
$(INTERNAL_VNDK_LIB_LIST): PRIVATE_VNDK_CORE_LIBRARIES := \
	$(call module-installed-files-or-guess,$(filter-out libclang_rt.%,$(VNDK_CORE_LIBRARIES)),.vendor)
$(INTERNAL_VNDK_LIB_LIST): PRIVATE_VNDK_PRIVATE_LIBRARIES := \
	$(call module-installed-files-or-guess,$(VNDK_PRIVATE_LIBRARIES),.vendor)
$(INTERNAL_VNDK_LIB_LIST):
	@echo "Generate: $@"
	@mkdir -p $(dir $@)
	$(hide) echo -n > $@
	$(hide) $(foreach lib, $(PRIVATE_LLNDK_LIBRARIES), \
	  echo LLNDK: $(lib) >> $@;)
	$(hide) $(foreach lib, $(PRIVATE_VNDK_SAMEPROCESS_LIBRARIES), \
	  echo VNDK-SP: $(lib) >> $@;)
	$(hide) $(foreach lib, $(PRIVATE_VNDK_CORE_LIBRARIES), \
	  echo VNDK-core: $(lib) >> $@;)
	$(hide) $(foreach lib, $(PRIVATE_VNDK_PRIVATE_LIBRARIES), \
	  echo VNDK-private: $(lib) >> $@;)

#####################################################################
# This is the up-to-date list of vndk libs.
# TODO(b/62012285): the lib list should be stored somewhere under
# /prebuilts/vndk
ifeq (REL,$(PLATFORM_VERSION_CODENAME))
LATEST_VNDK_LIB_LIST := $(LOCAL_PATH)/$(PLATFORM_VNDK_VERSION).txt
ifeq ($(wildcard $(LATEST_VNDK_LIB_LIST)),)
$(error $(LATEST_VNDK_LIB_LIST) file not found. Please copy "$(LOCAL_PATH)/current.txt" to "$(LATEST_VNDK_LIB_LIST)" and commit a CL for release branch)
endif
else
LATEST_VNDK_LIB_LIST := $(LOCAL_PATH)/current.txt
endif

#####################################################################
# Check the generate list against the latest list stored in the
# source tree
.PHONY: check-vndk-list

# Check if vndk list is changed
droidcore: check-vndk-list

check-vndk-list-timestamp := $(call intermediates-dir-for,PACKAGING,vndk)/check-list-timestamp
check-vndk-abi-dump-list-timestamp := $(call intermediates-dir-for,PACKAGING,vndk)/check-abi-dump-list-timestamp

ifeq ($(TARGET_IS_64_BIT)|$(TARGET_2ND_ARCH),true|)
# TODO(b/110429754) remove this condition when we support 64-bit-only device
check-vndk-list: ;
else ifeq ($(TARGET_BUILD_PDK),true)
# b/118634643: don't check VNDK lib list when building PDK. Some libs (libandroid_net.so
# and some render-script related ones) can't be built in PDK due to missing frameworks/base.
check-vndk-list: ;
else ifeq ($(TARGET_SKIP_CURRENT_VNDK),true)
check-vndk-list: ;
else
check-vndk-list: $(check-vndk-list-timestamp)
ifneq ($(SKIP_ABI_CHECKS),true)
check-vndk-list: $(check-vndk-abi-dump-list-timestamp)
endif
endif

_vndk_check_failure_message := " error: VNDK library list has been changed.\n"
ifeq (REL,$(PLATFORM_VERSION_CODENAME))
_vndk_check_failure_message += "       Changing the VNDK library list is not allowed in API locked branches."
else
_vndk_check_failure_message += "       Run update-vndk-list.sh to update $(LATEST_VNDK_LIB_LIST)"
endif

$(check-vndk-list-timestamp): $(INTERNAL_VNDK_LIB_LIST) $(LATEST_VNDK_LIB_LIST) $(HOST_OUT_EXECUTABLES)/update-vndk-list.sh
	$(hide) ( diff --old-line-format="Removed %L" \
	  --new-line-format="Added %L" \
	  --unchanged-line-format="" \
	  $(LATEST_VNDK_LIB_LIST) $(INTERNAL_VNDK_LIB_LIST) \
	  || ( echo -e $(_vndk_check_failure_message); exit 1 ))
	$(hide) mkdir -p $(dir $@)
	$(hide) touch $@

#####################################################################
# Script to update the latest VNDK lib list
include $(CLEAR_VARS)
LOCAL_MODULE := update-vndk-list.sh
LOCAL_MODULE_CLASS := EXECUTABLES
LOCAL_MODULE_STEM := $(LOCAL_MODULE)
LOCAL_IS_HOST_MODULE := true
include $(BUILD_SYSTEM)/base_rules.mk
$(LOCAL_BUILT_MODULE): PRIVATE_INTERNAL_VNDK_LIB_LIST := $(INTERNAL_VNDK_LIB_LIST)
$(LOCAL_BUILT_MODULE): PRIVATE_LATEST_VNDK_LIB_LIST := $(LATEST_VNDK_LIB_LIST)
$(LOCAL_BUILT_MODULE):
	@echo "Generate: $@"
	@mkdir -p $(dir $@)
	@rm -f $@
	$(hide) echo "#!/bin/bash" > $@
ifeq (REL,$(PLATFORM_VERSION_CODENAME))
	$(hide) echo "echo Updating VNDK library list is NOT allowed in API locked branches." >> $@; \
	        echo "exit 1" >> $@
else
	$(hide) echo "if [ -z \"\$${ANDROID_BUILD_TOP}\" ]; then" >> $@; \
	        echo "  echo Run lunch or choosecombo first" >> $@; \
	        echo "  exit 1" >> $@; \
	        echo "fi" >> $@; \
	        echo "cd \$${ANDROID_BUILD_TOP}" >> $@; \
	        echo "cp $(PRIVATE_INTERNAL_VNDK_LIB_LIST) $(PRIVATE_LATEST_VNDK_LIB_LIST)" >> $@; \
	        echo "echo $(PRIVATE_LATEST_VNDK_LIB_LIST) updated." >> $@
endif
	@chmod a+x $@

#####################################################################
# Check that all ABI reference dumps have corresponding NDK/VNDK
# libraries.

# $(1): The directory containing ABI dumps.
# Return a list of ABI dump paths ending with .so.lsdump.
define find-abi-dump-paths
$(if $(wildcard $(1)), \
  $(addprefix $(1)/, \
    $(call find-files-in-subdirs,$(1),"*.so.lsdump" -and -type f,.)))
endef

VNDK_ABI_DUMP_DIR := prebuilts/abi-dumps/vndk/$(PLATFORM_VNDK_VERSION)
NDK_ABI_DUMP_DIR := prebuilts/abi-dumps/ndk/$(PLATFORM_VNDK_VERSION)
VNDK_ABI_DUMPS := $(call find-abi-dump-paths,$(VNDK_ABI_DUMP_DIR))
NDK_ABI_DUMPS := $(call find-abi-dump-paths,$(NDK_ABI_DUMP_DIR))

$(check-vndk-abi-dump-list-timestamp): $(VNDK_ABI_DUMPS) $(NDK_ABI_DUMPS)
	$(eval added_vndk_abi_dumps := $(strip $(sort $(filter-out \
	  $(addsuffix .so.lsdump,$(filter-out $(NDK_MIGRATED_LIBS) $(VNDK_PRIVATE_LIBRARIES),$(LLNDK_LIBRARIES) $(VNDK_SAMEPROCESS_LIBRARIES) $(VNDK_CORE_LIBRARIES))), \
	  $(notdir $(VNDK_ABI_DUMPS))))))
	$(if $(added_vndk_abi_dumps), \
	  echo -e "Found ABI reference dumps for non-VNDK libraries. Run \`find \$${ANDROID_BUILD_TOP}/$(VNDK_ABI_DUMP_DIR) '(' -name $(subst $(space), -or -name ,$(added_vndk_abi_dumps)) ')' -delete\` to delete the dumps.")

	$(eval added_ndk_abi_dumps := $(strip $(sort $(filter-out \
	  $(addsuffix .so.lsdump,$(NDK_MIGRATED_LIBS)), \
	  $(notdir $(NDK_ABI_DUMPS))))))
	$(if $(added_ndk_abi_dumps), \
	  echo -e "Found ABI reference dumps for non-NDK libraries. Run \`find \$${ANDROID_BUILD_TOP}/$(NDK_ABI_DUMP_DIR) '(' -name $(subst $(space), -or -name ,$(added_ndk_abi_dumps)) ')' -delete\` to delete the dumps.")

	$(if $(added_vndk_abi_dumps)$(added_ndk_abi_dumps),exit 1)
	$(hide) mkdir -p $(dir $@)
	$(hide) touch $@

#####################################################################
# VNDK package and snapshot.

ifneq ($(BOARD_VNDK_VERSION),)

include $(CLEAR_VARS)
LOCAL_MODULE := vndk_package
# Filter LLNDK libs moved to APEX to avoid pulling them into /system/LIB
LOCAL_REQUIRED_MODULES := \
    $(filter-out $(LLNDK_MOVED_TO_APEX_LIBRARIES),$(LLNDK_LIBRARIES))

ifneq ($(TARGET_SKIP_CURRENT_VNDK),true)
LOCAL_REQUIRED_MODULES += \
    llndk.libraries.txt \
    vndksp.libraries.txt \
    vndkcore.libraries.txt \
    vndkprivate.libraries.txt \
    vndkcorevariant.libraries.txt \
    $(addsuffix .vendor,$(VNDK_CORE_LIBRARIES)) \
    $(addsuffix .vendor,$(VNDK_SAMEPROCESS_LIBRARIES))
endif
include $(BUILD_PHONY_PACKAGE)

include $(CLEAR_VARS)
LOCAL_MODULE := vndk_snapshot_package
_binder32 :=
ifneq ($(TARGET_USES_64_BIT_BINDER),true)
ifneq ($(TARGET_IS_64_BIT),true)
_binder32 := _binder32
endif
endif
LOCAL_REQUIRED_MODULES := \
    $(foreach vndk_ver,$(PRODUCT_EXTRA_VNDK_VERSIONS),vndk_v$(vndk_ver)_$(TARGET_ARCH)$(_binder32))
_binder32 :=
include $(BUILD_PHONY_PACKAGE)

endif # BOARD_VNDK_VERSION is set

#####################################################################
# skip_mount.cfg, read by init to skip mounting some partitions when GSI is used.

include $(CLEAR_VARS)
LOCAL_MODULE := gsi_skip_mount.cfg
LOCAL_MODULE_STEM := skip_mount.cfg
LOCAL_SRC_FILES := $(LOCAL_MODULE)
LOCAL_MODULE_CLASS := ETC
LOCAL_SYSTEM_EXT_MODULE := true
LOCAL_MODULE_RELATIVE_PATH := init/config

# Adds a symlink under /system/etc/init/config pointing to /system/system_ext/etc/init/config
# because first-stage init in Android 10.0 will read the skip_mount.cfg from /system/etc/* after
# chroot /system.
# TODO: remove this symlink when no need to support new GSI on Android 10.
# The actual file needs to be under /system/system_ext because it's GSI-specific and does not
# belong to core CSI.
LOCAL_POST_INSTALL_CMD := \
    mkdir -p $(TARGET_OUT)/etc/init; \
    ln -sf /system/system_ext/etc/init/config $(TARGET_OUT)/etc/init/config

include $(BUILD_PREBUILT)

#####################################################################
# init.gsi.rc, GSI-specific init script.

include $(CLEAR_VARS)
LOCAL_MODULE := init.gsi.rc
LOCAL_SRC_FILES := $(LOCAL_MODULE)
LOCAL_MODULE_CLASS := ETC
LOCAL_SYSTEM_EXT_MODULE := true
LOCAL_MODULE_RELATIVE_PATH := init

include $(BUILD_PREBUILT)