platform_build/core/soong_cc_prebuilt.mk
Colin Cross db98001be1 Use order-only dependencies for symbols files
Use an order-only dependency from $(LOCAL_BUILT_MODULE) to the symbols
file so that wiping the symbols directory during installclean doesn't
force anything to rebuild.

Bug: 186507256
Test: m && rm -rf $OUT/symbols && m
Change-Id: Ic164819c71f9db6126ff91c58752c8727cde0d5e
2021-04-27 19:43:33 -07:00

253 lines
9.9 KiB
Makefile

# Native prebuilt coming from Soong.
# Extra inputs:
# LOCAL_SOONG_LINK_TYPE
# LOCAL_SOONG_TOC
# LOCAL_SOONG_UNSTRIPPED_BINARY
# LOCAL_SOONG_VNDK_VERSION : means the version of VNDK where this module belongs
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
# Don't install static libraries by default.
ifndef LOCAL_UNINSTALLABLE_MODULE
ifeq (STATIC_LIBRARIES,$(LOCAL_MODULE_CLASS))
LOCAL_UNINSTALLABLE_MODULE := true
endif
endif
# Don't install modules of current VNDK when it is told so
ifeq ($(TARGET_SKIP_CURRENT_VNDK),true)
ifeq ($(LOCAL_SOONG_VNDK_VERSION),$(PLATFORM_VNDK_VERSION))
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
EXPORTS_LIST += $(intermediates)
EXPORTS.$(intermediates).FLAGS := $(LOCAL_EXPORT_CFLAGS)
EXPORTS.$(intermediates).DEPS := $(LOCAL_EXPORT_C_INCLUDE_DEPS)
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 += $(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
else
name_without_suffix := $(patsubst %.product,%,$(LOCAL_MODULE))
ifneq ($(name_without_suffix),$(LOCAL_MODULE))
SPLIT_PRODUCT.$(LOCAL_MODULE_CLASS).$(name_without_suffix) := 1
endif
endif
name_without_suffix :=
endif
endif
# Check prebuilt ELF binaries.
ifdef LOCAL_INSTALLED_MODULE
ifneq ($(LOCAL_CHECK_ELF_FILES),)
my_prebuilt_src_file := $(LOCAL_PREBUILT_MODULE_FILE)
my_system_shared_libraries := $(LOCAL_SYSTEM_SHARED_LIBRARIES)
include $(BUILD_SYSTEM)/check_elf_file.mk
endif
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),$(my_shared_libraries))
endif
endif
my_check_same_vndk_variants :=
ifeq ($(LOCAL_CHECK_SAME_VNDK_VARIANTS),true)
ifeq ($(filter hwaddress address, $(SANITIZE_TARGET)),)
ifneq ($(CLANG_COVERAGE),true)
# Do not compare VNDK variant for special cases e.g. coverage builds.
ifneq ($(SKIP_VNDK_VARIANTS_CHECK),true)
my_check_same_vndk_variants := true
endif
endif
endif
endif
ifeq ($(my_check_same_vndk_variants),true)
same_vndk_variants_stamp := $(intermediates)/same_vndk_variants.timestamp
my_core_register_name := $(subst .vendor,,$(subst .product,,$(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)))
$(same_vndk_variants_stamp): PRIVATE_CORE_VARIANT := $(my_core_shared_lib)
$(same_vndk_variants_stamp): PRIVATE_VENDOR_VARIANT := $(LOCAL_PREBUILT_MODULE_FILE)
$(same_vndk_variants_stamp): PRIVATE_TOOLS_PREFIX := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)TOOLS_PREFIX)
$(same_vndk_variants_stamp): $(my_core_shared_lib) $(LOCAL_PREBUILT_MODULE_FILE)
$(call verify-vndk-libs-identical,\
$(PRIVATE_CORE_VARIANT),\
$(PRIVATE_VENDOR_VARIANT),\
$(PRIVATE_TOOLS_PREFIX))
touch $@
$(LOCAL_BUILT_MODULE): $(same_vndk_variants_stamp)
endif
# Use copy-or-link-prebuilt-to-target for host executables and shared libraries,
# to preserve symlinks to the source trees. They can then run directly from the
# prebuilt directories where the linker can load their dependencies using
# relative RUNPATHs.
$(LOCAL_BUILT_MODULE): $(LOCAL_PREBUILT_MODULE_FILE)
ifeq ($(LOCAL_IS_HOST_MODULE) $(if $(filter EXECUTABLES SHARED_LIBRARIES NATIVE_TESTS,$(LOCAL_MODULE_CLASS)),true,),true true)
$(copy-or-link-prebuilt-to-target)
ifneq ($(filter EXECUTABLES NATIVE_TESTS,$(LOCAL_MODULE_CLASS)),)
[ -x $@ ] || ( $(call echo-error,$@,Target of symlink is not executable); false )
endif
else
$(transform-prebuilt-to-target)
ifneq ($(filter EXECUTABLES NATIVE_TESTS,$(LOCAL_MODULE_CLASS)),)
$(hide) chmod +x $@
endif
endif
ifndef LOCAL_IS_HOST_MODULE
ifdef LOCAL_SOONG_UNSTRIPPED_BINARY
ifneq ($(LOCAL_UNINSTALLABLE_MODULE),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)))
$(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).zip))
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)).zip
$(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).zip
$(intermediates)/$(GCNO_ARCHIVE) : $(SOONG_ZIP) $(MERGE_ZIPS)
$(intermediates)/$(GCNO_ARCHIVE) : PRIVATE_ALL_OBJECTS :=
$(intermediates)/$(GCNO_ARCHIVE) : PRIVATE_ALL_WHOLE_STATIC_LIBRARIES :=
$(intermediates)/$(GCNO_ARCHIVE) :
$(package-coverage-files)
endif
endif
endif
# A product may be configured to strip everything in some build variants.
# We do the stripping as a post-install command so that LOCAL_BUILT_MODULE
# is still with the symbols and we don't need to clean it (and relink) when
# you switch build variant.
ifneq ($(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 \
ndk_libc++_static.native_bridge ndk_libc++abi.native_bridge \
ndk_libandroid_support.native_bridge ndk_libunwind.native_bridge, \
$(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)
# Reinstall shared library dependencies of fuzz targets to /data/fuzz/ (for
# target) or /data/ (for host).
ifdef LOCAL_IS_FUZZ_TARGET
$(LOCAL_INSTALLED_MODULE): $(LOCAL_FUZZ_INSTALLED_SHARED_DEPS)
endif