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platform_build/core/soong_cc_prebuilt.mk
Vic Yang 51512c558c Add support for no-vendor-variant VNDK 
When TARGET_VNDK_USE_CORE_VARIANT is set to true, the vendor variant of
VNDK libraries are by default not installed.  Instead, the core variant
will be used by vendor binaries at runtime.

To ensure the core variant of VNDK libraries are installed, we also add
a flag LOCAL_VNDK_DEPEND_ON_CORE_VARIANT to indicate that the vendor
variant module depends on the core variant module.  This flag should be
set by Soong for all VNDK libraries without the vendor variant
installed.  When the flag is set, the vendor variant binary is also
compared against the core variant binary to ensure they are
functionally identical.

As we are merging the two variants for some libraries, we need a new
link type to denote a module is usable as both native:vndk and
native:platform.  We add native:platform_vndk for this.

Bug: 119423884
Test: With the corresponding Soong change, build with
      TARGET_VNDK_USE_CORE_VARIANT set to true.
Test: Add a dummy VNDK library and a dummy vendor binary that depends
      on it.  Build with no-vendor-variant VNDK and check the core
      variant is installed.
Test: Add conditional compilation based on __ANDROID_VNDK__ in the
      dummy VNDK library and check build fails.

Change-Id: I40000f2728e8193212113c1ee950e9d697f2d40d
2019-03-20 10:23:04 -07:00

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# Native prebuilt coming from Soong.
# Extra inputs:
# LOCAL_SOONG_LINK_TYPE
# LOCAL_SOONG_TOC
# LOCAL_SOONG_UNSTRIPPED_BINARY
ifneq ($(LOCAL_MODULE_MAKEFILE),$(SOONG_ANDROID_MK))
$(call pretty-error,soong_cc_prebuilt.mk may only be used from Soong)
endif
ifdef LOCAL_IS_HOST_MODULE
ifneq ($(HOST_OS),$(LOCAL_MODULE_HOST_OS))
my_prefix := HOST_CROSS_
LOCAL_HOST_PREFIX := $(my_prefix)
else
my_prefix := HOST_
LOCAL_HOST_PREFIX :=
endif
else
my_prefix := TARGET_
endif
ifeq ($($(my_prefix)ARCH),$(LOCAL_MODULE_$(my_prefix)ARCH))
# primary arch
LOCAL_2ND_ARCH_VAR_PREFIX :=
else ifeq ($($(my_prefix)2ND_ARCH),$(LOCAL_MODULE_$(my_prefix)ARCH))
# secondary arch
LOCAL_2ND_ARCH_VAR_PREFIX := $($(my_prefix)2ND_ARCH_VAR_PREFIX)
else
$(call pretty-error,Unsupported LOCAL_MODULE_$(my_prefix)ARCH=$(LOCAL_MODULE_$(my_prefix)ARCH))
endif
skip_module :=
ifeq ($(TARGET_TRANSLATE_2ND_ARCH),true)
ifndef LOCAL_IS_HOST_MODULE
ifdef LOCAL_2ND_ARCH_VAR_PREFIX
# Only support shared and static libraries and tests for translated arch
ifeq ($(filter SHARED_LIBRARIES STATIC_LIBRARIES HEADER_LIBRARIES NATIVE_TESTS,$(LOCAL_MODULE_CLASS)),)
skip_module := true
endif
endif
endif
endif
ifndef skip_module
# Don't install static libraries by default.
ifndef LOCAL_UNINSTALLABLE_MODULE
ifeq (STATIC_LIBRARIES,$(LOCAL_MODULE_CLASS))
LOCAL_UNINSTALLABLE_MODULE := true
endif
endif
#######################################
include $(BUILD_SYSTEM)/base_rules.mk
#######################################
ifneq ($(filter STATIC_LIBRARIES SHARED_LIBRARIES HEADER_LIBRARIES,$(LOCAL_MODULE_CLASS)),)
# Soong module is a static or shared library
export_includes := $(intermediates)/export_includes
$(export_includes): PRIVATE_EXPORT_CFLAGS := $(LOCAL_EXPORT_CFLAGS)
$(export_includes): $(LOCAL_EXPORT_C_INCLUDE_DEPS)
@echo Export includes file: $< -- $@
$(hide) mkdir -p $(dir $@) && rm -f $@
ifdef LOCAL_EXPORT_CFLAGS
$(hide) echo "$(PRIVATE_EXPORT_CFLAGS)" >$@
else
$(hide) touch $@
endif
ifdef LOCAL_SOONG_TOC
$(eval $(call copy-one-file,$(LOCAL_SOONG_TOC),$(LOCAL_BUILT_MODULE).toc))
$(call add-dependency,$(LOCAL_BUILT_MODULE).toc,$(LOCAL_BUILT_MODULE))
$(my_all_targets): $(LOCAL_BUILT_MODULE).toc
endif
SOONG_ALREADY_CONV := $(SOONG_ALREADY_CONV) $(LOCAL_MODULE)
my_link_type := $(LOCAL_SOONG_LINK_TYPE)
my_warn_types :=
my_allowed_types :=
my_link_deps :=
my_2nd_arch_prefix := $(LOCAL_2ND_ARCH_VAR_PREFIX)
my_common :=
include $(BUILD_SYSTEM)/link_type.mk
endif
ifdef LOCAL_USE_VNDK
ifneq ($(LOCAL_VNDK_DEPEND_ON_CORE_VARIANT),true)
name_without_suffix := $(patsubst %.vendor,%,$(LOCAL_MODULE))
ifneq ($(name_without_suffix),$(LOCAL_MODULE)
SPLIT_VENDOR.$(LOCAL_MODULE_CLASS).$(name_without_suffix) := 1
endif
name_without_suffix :=
endif
endif
# Check prebuilt ELF binaries.
ifneq ($(LOCAL_CHECK_ELF_FILES),)
my_prebuilt_src_file := $(LOCAL_PREBUILT_MODULE_FILE)
include $(BUILD_SYSTEM)/check_elf_file.mk
endif
# The real dependency will be added after all Android.mks are loaded and the install paths
# of the shared libraries are determined.
ifdef LOCAL_INSTALLED_MODULE
ifdef LOCAL_SHARED_LIBRARIES
my_shared_libraries := $(LOCAL_SHARED_LIBRARIES)
ifdef LOCAL_USE_VNDK
my_shared_libraries := $(foreach l,$(my_shared_libraries),\
$(if $(SPLIT_VENDOR.SHARED_LIBRARIES.$(l)),$(l).vendor,$(l)))
endif
$(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)DEPENDENCIES_ON_SHARED_LIBRARIES += \
$(my_register_name):$(LOCAL_INSTALLED_MODULE):$(subst $(space),$(comma),$(my_shared_libraries))
endif
endif
ifeq ($(LOCAL_VNDK_DEPEND_ON_CORE_VARIANT),true)
# Add $(LOCAL_BUILT_MODULE) as a dependency to no_vendor_variant_vndk_check so
# that the vendor variant will be built and checked against the core variant.
no_vendor_variant_vndk_check: $(LOCAL_BUILT_MODULE)
my_core_register_name := $(subst .vendor,,$(my_register_name))
my_core_variant_files := $(call module-target-built-files,$(my_core_register_name))
my_core_shared_lib := $(sort $(filter %.so,$(my_core_variant_files)))
$(LOCAL_BUILT_MODULE): PRIVATE_CORE_VARIANT := $(my_core_shared_lib)
# The built vendor variant library needs to depend on the built core variant
# so that we can perform identity check against the core variant.
$(LOCAL_BUILT_MODULE): $(my_core_shared_lib)
endif
ifeq ($(LOCAL_VNDK_DEPEND_ON_CORE_VARIANT),true)
$(LOCAL_BUILT_MODULE): $(LOCAL_PREBUILT_MODULE_FILE) $(LIBRARY_IDENTITY_CHECK_SCRIPT)
$(call verify-vndk-libs-identical,\
$(PRIVATE_CORE_VARIANT),\
$<,\
$($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)TOOLS_PREFIX))
$(copy-file-to-target)
else
$(LOCAL_BUILT_MODULE): $(LOCAL_PREBUILT_MODULE_FILE)
$(transform-prebuilt-to-target)
endif
ifneq ($(filter EXECUTABLES NATIVE_TESTS,$(LOCAL_MODULE_CLASS)),)
$(hide) chmod +x $@
endif
ifndef LOCAL_IS_HOST_MODULE
ifdef LOCAL_SOONG_UNSTRIPPED_BINARY
ifneq ($(LOCAL_VNDK_DEPEND_ON_CORE_VARIANT),true)
my_symbol_path := $(if $(LOCAL_SOONG_SYMBOL_PATH),$(LOCAL_SOONG_SYMBOL_PATH),$(my_module_path))
# Store a copy with symbols for symbolic debugging
my_unstripped_path := $(TARGET_OUT_UNSTRIPPED)/$(patsubst $(PRODUCT_OUT)/%,%,$(my_symbol_path))
# drop /root as /root is mounted as /
my_unstripped_path := $(patsubst $(TARGET_OUT_UNSTRIPPED)/root/%,$(TARGET_OUT_UNSTRIPPED)/%, $(my_unstripped_path))
symbolic_output := $(my_unstripped_path)/$(my_installed_module_stem)
$(eval $(call copy-one-file,$(LOCAL_SOONG_UNSTRIPPED_BINARY),$(symbolic_output)))
$(call add-dependency,$(LOCAL_BUILT_MODULE),$(symbolic_output))
ifeq ($(BREAKPAD_GENERATE_SYMBOLS),true)
my_breakpad_path := $(TARGET_OUT_BREAKPAD)/$(patsubst $(PRODUCT_OUT)/%,%,$(my_symbol_path))
breakpad_output := $(my_breakpad_path)/$(my_installed_module_stem).sym
$(breakpad_output) : $(LOCAL_SOONG_UNSTRIPPED_BINARY) | $(BREAKPAD_DUMP_SYMS) $(PRIVATE_READELF)
@echo "target breakpad: $(PRIVATE_MODULE) ($@)"
@mkdir -p $(dir $@)
$(hide) if $(PRIVATE_READELF) -S $< > /dev/null 2>&1 ; then \
$(BREAKPAD_DUMP_SYMS) -c $< > $@ ; \
else \
echo "skipped for non-elf file."; \
touch $@; \
fi
$(call add-dependency,$(LOCAL_BUILT_MODULE),$(breakpad_output))
endif
endif
endif
endif
ifeq ($(NATIVE_COVERAGE),true)
ifneq (,$(strip $(LOCAL_PREBUILT_COVERAGE_ARCHIVE)))
$(eval $(call copy-one-file,$(LOCAL_PREBUILT_COVERAGE_ARCHIVE),$(intermediates)/$(LOCAL_MODULE).gcnodir))
ifneq ($(LOCAL_UNINSTALLABLE_MODULE),true)
ifdef LOCAL_IS_HOST_MODULE
my_coverage_path := $($(my_prefix)OUT_COVERAGE)/$(patsubst $($(my_prefix)OUT)/%,%,$(my_module_path))
else
my_coverage_path := $(TARGET_OUT_COVERAGE)/$(patsubst $(PRODUCT_OUT)/%,%,$(my_module_path))
endif
my_coverage_path := $(my_coverage_path)/$(patsubst %.so,%,$(my_installed_module_stem)).gcnodir
$(eval $(call copy-one-file,$(LOCAL_PREBUILT_COVERAGE_ARCHIVE),$(my_coverage_path)))
$(LOCAL_BUILT_MODULE): $(my_coverage_path)
endif
else
# Coverage information is needed when static lib is a dependency of another
# coverage-enabled module.
ifeq (STATIC_LIBRARIES, $(LOCAL_MODULE_CLASS))
GCNO_ARCHIVE := $(LOCAL_MODULE).gcnodir
$(intermediates)/$(GCNO_ARCHIVE) : PRIVATE_ALL_OBJECTS :=
$(intermediates)/$(GCNO_ARCHIVE) : PRIVATE_ALL_WHOLE_STATIC_LIBRARIES :=
$(intermediates)/$(GCNO_ARCHIVE) : PRIVATE_PREFIX := $(my_prefix)
$(intermediates)/$(GCNO_ARCHIVE) : PRIVATE_2ND_ARCH_VAR_PREFIX := $(LOCAL_2ND_ARCH_VAR_PREFIX)
$(intermediates)/$(GCNO_ARCHIVE) :
$(transform-o-to-static-lib)
endif
endif
endif
# A product may be configured to strip everything in some build variants.
# We do the stripping as a post-install command so that LOCAL_BUILT_MODULE
# is still with the symbols and we don't need to clean it (and relink) when
# you switch build variant.
ifneq ($(filter $(STRIP_EVERYTHING_BUILD_VARIANTS),$(TARGET_BUILD_VARIANT)),)
$(LOCAL_INSTALLED_MODULE): PRIVATE_POST_INSTALL_CMD := \
$($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_STRIP) --strip-all $(LOCAL_INSTALLED_MODULE)
endif
$(LOCAL_BUILT_MODULE): $(LOCAL_ADDITIONAL_DEPENDENCIES)
# We don't care about installed static libraries, since the libraries have
# already been linked into the module at that point. We do, however, care
# about the NOTICE files for any static libraries that we use.
# (see notice_files.mk)
#
# Filter out some NDK libraries that are not being exported.
my_static_libraries := \
$(filter-out ndk_libc++_static ndk_libc++abi ndk_libandroid_support ndk_libunwind, \
$(LOCAL_STATIC_LIBRARIES))
installed_static_library_notice_file_targets := \
$(foreach lib,$(my_static_libraries) $(LOCAL_WHOLE_STATIC_LIBRARIES), \
NOTICE-$(if $(LOCAL_IS_HOST_MODULE),HOST$(if $(my_host_cross),_CROSS,),TARGET)-STATIC_LIBRARIES-$(lib))
$(notice_target): | $(installed_static_library_notice_file_targets)
$(LOCAL_INSTALLED_MODULE): | $(notice_target)
endif # !skip_module
skip_module :=
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