########################################################### ## Standard rules for building binary object files from ## asm/c/cpp/yacc/lex/etc source files. ## ## The list of object files is exported in $(all_objects). ########################################################### ####################################### include $(BUILD_SYSTEM)/base_rules.mk ####################################### ################################################## # Compute the dependency of the shared libraries ################################################## # On the target, we compile with -nostdlib, so we must add in the # default system shared libraries, unless they have requested not # to by supplying a LOCAL_SYSTEM_SHARED_LIBRARIES value. One would # supply that, for example, when building libc itself. ifdef LOCAL_IS_HOST_MODULE ifeq ($(LOCAL_SYSTEM_SHARED_LIBRARIES),none) my_system_shared_libraries := else my_system_shared_libraries := $(LOCAL_SYSTEM_SHARED_LIBRARIES) endif else ifeq ($(LOCAL_SYSTEM_SHARED_LIBRARIES),none) my_system_shared_libraries := libc libm else my_system_shared_libraries := $(LOCAL_SYSTEM_SHARED_LIBRARIES) endif endif # The following LOCAL_ variables will be modified in this file. # Because the same LOCAL_ variables may be used to define modules for both 1st arch and 2nd arch, # we can't modify them in place. my_src_files := $(LOCAL_SRC_FILES) my_src_files_exclude := $(LOCAL_SRC_FILES_EXCLUDE) my_static_libraries := $(LOCAL_STATIC_LIBRARIES) my_whole_static_libraries := $(LOCAL_WHOLE_STATIC_LIBRARIES) my_shared_libraries := $(LOCAL_SHARED_LIBRARIES) my_cflags := $(LOCAL_CFLAGS) my_conlyflags := $(LOCAL_CONLYFLAGS) my_cppflags := $(LOCAL_CPPFLAGS) my_cflags_no_override := $(GLOBAL_CFLAGS_NO_OVERRIDE) my_cppflags_no_override := $(GLOBAL_CPPFLAGS_NO_OVERRIDE) my_ldflags := $(LOCAL_LDFLAGS) my_ldlibs := $(LOCAL_LDLIBS) my_asflags := $(LOCAL_ASFLAGS) my_cc := $(LOCAL_CC) my_cc_wrapper := $(CC_WRAPPER) my_cxx := $(LOCAL_CXX) my_cxx_wrapper := $(CXX_WRAPPER) my_c_includes := $(LOCAL_C_INCLUDES) my_generated_sources := $(LOCAL_GENERATED_SOURCES) my_native_coverage := $(LOCAL_NATIVE_COVERAGE) my_additional_dependencies := $(LOCAL_MODULE_MAKEFILE_DEP) $(LOCAL_ADDITIONAL_DEPENDENCIES) my_export_c_include_dirs := $(LOCAL_EXPORT_C_INCLUDE_DIRS) ifdef LOCAL_IS_HOST_MODULE my_allow_undefined_symbols := true else my_allow_undefined_symbols := $(strip $(LOCAL_ALLOW_UNDEFINED_SYMBOLS)) endif my_ndk_sysroot := my_ndk_sysroot_include := my_ndk_sysroot_lib := ifdef LOCAL_SDK_VERSION ifdef LOCAL_NDK_VERSION $(error $(LOCAL_PATH): LOCAL_NDK_VERSION is now retired.) endif ifdef LOCAL_IS_HOST_MODULE $(error $(LOCAL_PATH): LOCAL_SDK_VERSION cannot be used in host module) endif my_ndk_source_root := $(HISTORICAL_NDK_VERSIONS_ROOT)/current/sources my_ndk_sysroot := $(HISTORICAL_NDK_VERSIONS_ROOT)/current/platforms/android-$(LOCAL_SDK_VERSION)/arch-$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH) my_ndk_sysroot_include := $(my_ndk_sysroot)/usr/include # x86_64 and and mips64 are both multilib toolchains, so their libraries are # installed in /usr/lib64. Aarch64, on the other hand, is not a multilib # compiler, so its libraries are in /usr/lib. # # Mips32r6 is yet another variation, with libraries installed in libr6. # # For the rest, the libraries are installed simply to /usr/lib. ifneq (,$(filter x86_64 mips64,$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH))) my_ndk_sysroot_lib := $(my_ndk_sysroot)/usr/lib64 else ifeq (mips32r6,$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH_VARIANT)) my_ndk_sysroot_lib := $(my_ndk_sysroot)/usr/libr6 else my_ndk_sysroot_lib := $(my_ndk_sysroot)/usr/lib endif # The bionic linker now has support for packed relocations and gnu style # hashes (which are much faster!), but shipping to older devices requires # the old style hash. Fortunately, we can build with both and it'll work # anywhere. # # This is not currently supported on MIPS architectures. ifeq (,$(filter mips mips64,$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH))) my_ldflags += -Wl,--hash-style=both endif # We don't want to expose the relocation packer to the NDK just yet. LOCAL_PACK_MODULE_RELOCATIONS := false # Set up the NDK stl variant. Starting from NDK-r5 the c++ stl resides in a separate location. # See ndk/docs/CPLUSPLUS-SUPPORT.html my_ndk_stl_include_path := my_ndk_stl_shared_lib_fullpath := my_ndk_stl_shared_lib := my_ndk_stl_static_lib := my_ndk_stl_cppflags := my_cpu_variant := $(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)CPU_ABI) ifeq (mips32r6,$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH_VARIANT)) my_cpu_variant := mips32r6 endif LOCAL_NDK_STL_VARIANT := $(strip $(LOCAL_NDK_STL_VARIANT)) ifeq (,$(LOCAL_NDK_STL_VARIANT)) LOCAL_NDK_STL_VARIANT := system endif ifneq (1,$(words $(filter none system stlport_static stlport_shared c++_static c++_shared gnustl_static, $(LOCAL_NDK_STL_VARIANT)))) $(error $(LOCAL_PATH): Unknown LOCAL_NDK_STL_VARIANT $(LOCAL_NDK_STL_VARIANT)) endif ifeq (system,$(LOCAL_NDK_STL_VARIANT)) my_ndk_stl_include_path := $(my_ndk_source_root)/cxx-stl/system/include my_system_shared_libraries += libstdc++ else # LOCAL_NDK_STL_VARIANT is not system ifneq (,$(filter stlport_%, $(LOCAL_NDK_STL_VARIANT))) my_ndk_stl_include_path := $(my_ndk_source_root)/cxx-stl/stlport/stlport my_system_shared_libraries += libstdc++ ifeq (stlport_static,$(LOCAL_NDK_STL_VARIANT)) my_ndk_stl_static_lib := $(my_ndk_source_root)/cxx-stl/stlport/libs/$(my_cpu_variant)/libstlport_static.a else my_ndk_stl_shared_lib_fullpath := $(my_ndk_source_root)/cxx-stl/stlport/libs/$(my_cpu_variant)/libstlport_shared.so my_ndk_stl_shared_lib := -lstlport_shared endif else # LOCAL_NDK_STL_VARIANT is not stlport_* either ifneq (,$(filter c++_%, $(LOCAL_NDK_STL_VARIANT))) my_ndk_stl_include_path := $(my_ndk_source_root)/cxx-stl/llvm-libc++/libcxx/include \ $(my_ndk_source_root)/cxx-stl/llvm-libc++/gabi++/include \ $(my_ndk_source_root)/android/support/include ifeq (c++_static,$(LOCAL_NDK_STL_VARIANT)) my_ndk_stl_static_lib := $(my_ndk_source_root)/cxx-stl/llvm-libc++/libs/$(my_cpu_variant)/libc++_static.a else my_ndk_stl_shared_lib_fullpath := $(my_ndk_source_root)/cxx-stl/llvm-libc++/libs/$(my_cpu_variant)/libc++_shared.so my_ndk_stl_shared_lib := -lc++_shared endif my_ndk_stl_cppflags := -std=c++11 else # LOCAL_NDK_STL_VARIANT is not c++_* either ifneq (,$(filter gnustl_%, $(LOCAL_NDK_STL_VARIANT))) my_ndk_stl_include_path := $(my_ndk_source_root)/cxx-stl/gnu-libstdc++/$($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_NDK_GCC_VERSION)/libs/$(my_cpu_variant)/include \ $(my_ndk_source_root)/cxx-stl/gnu-libstdc++/$($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_NDK_GCC_VERSION)/include my_ndk_stl_static_lib := $(my_ndk_source_root)/cxx-stl/gnu-libstdc++/$($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_NDK_GCC_VERSION)/libs/$(my_cpu_variant)/libgnustl_static.a else # LOCAL_NDK_STL_VARIANT must be none # Do nothing. endif endif endif endif endif # MinGW spits out warnings about -fPIC even for -fpie?!) being ignored because # all code is position independent, and then those warnings get promoted to # errors. ifneq ($($(my_prefix)OS),windows) ifeq ($(LOCAL_MODULE_CLASS),EXECUTABLES) my_cflags += -fpie else my_cflags += -fPIC endif endif ifdef LOCAL_IS_HOST_MODULE my_src_files += $(LOCAL_SRC_FILES_$($(my_prefix)OS)) $(LOCAL_SRC_FILES_$($(my_prefix)OS)_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) my_static_libraries += $(LOCAL_STATIC_LIBRARIES_$($(my_prefix)OS)) my_shared_libraries += $(LOCAL_SHARED_LIBRARIES_$($(my_prefix)OS)) my_cflags += $(LOCAL_CFLAGS_$($(my_prefix)OS)) my_cppflags += $(LOCAL_CPPFLAGS_$($(my_prefix)OS)) my_ldflags += $(LOCAL_LDFLAGS_$($(my_prefix)OS)) my_ldlibs += $(LOCAL_LDLIBS_$($(my_prefix)OS)) my_asflags += $(LOCAL_ASFLAGS_$($(my_prefix)OS)) my_c_includes += $(LOCAL_C_INCLUDES_$($(my_prefix)OS)) my_generated_sources += $(LOCAL_GENERATED_SOURCES_$($(my_prefix)OS)) endif my_src_files += $(LOCAL_SRC_FILES_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_SRC_FILES_$(my_32_64_bit_suffix)) my_src_files_exclude += $(LOCAL_SRC_FILES_EXCLUDE_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_SRC_FILES_EXCLUDE_$(my_32_64_bit_suffix)) my_shared_libraries += $(LOCAL_SHARED_LIBRARIES_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_SHARED_LIBRARIES_$(my_32_64_bit_suffix)) my_cflags += $(LOCAL_CFLAGS_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_CFLAGS_$(my_32_64_bit_suffix)) my_cppflags += $(LOCAL_CPPFLAGS_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_CPPFLAGS_$(my_32_64_bit_suffix)) my_ldflags += $(LOCAL_LDFLAGS_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_LDFLAGS_$(my_32_64_bit_suffix)) my_asflags += $(LOCAL_ASFLAGS_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_ASFLAGS_$(my_32_64_bit_suffix)) my_c_includes += $(LOCAL_C_INCLUDES_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_C_INCLUDES_$(my_32_64_bit_suffix)) my_generated_sources += $(LOCAL_GENERATED_SOURCES_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_GENERATED_SOURCES_$(my_32_64_bit_suffix)) my_missing_exclude_files := $(filter-out $(my_src_files),$(my_src_files_exclude)) ifneq ($(my_missing_exclude_files),) $(warning Files are listed in LOCAL_SRC_FILES_EXCLUDE but not LOCAL_SRC_FILES) $(error $(my_missing_exclude_files)) endif my_src_files := $(filter-out $(my_src_files_exclude),$(my_src_files)) my_clang := $(strip $(LOCAL_CLANG)) ifdef LOCAL_CLANG_$(my_32_64_bit_suffix) my_clang := $(strip $(LOCAL_CLANG_$(my_32_64_bit_suffix))) endif ifdef LOCAL_CLANG_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH) my_clang := $(strip $(LOCAL_CLANG_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH))) endif # clang is enabled by default for host builds # enable it unless we've specifically disabled clang above ifdef LOCAL_IS_HOST_MODULE ifneq ($($(my_prefix)OS),windows) ifeq ($(my_clang),) my_clang := true endif endif # Add option to make gcc the default for device build else ifeq ($(USE_CLANG_PLATFORM_BUILD),false) ifeq ($(my_clang),) my_clang := false endif else ifeq ($(my_clang),) my_clang := true endif my_cpp_std_version := -std=gnu++14 ifneq ($(my_clang),true) # GCC uses an invalid C++14 ABI (emits calls to # __cxa_throw_bad_array_length, which is not a valid C++ RT ABI). # http://b/25022512 my_cpp_std_version := -std=gnu++11 endif ifdef LOCAL_SDK_VERSION # The NDK handles this itself. my_cpp_std_version := endif ifdef LOCAL_IS_HOST_MODULE ifneq ($(my_clang),true) # The host GCC doesn't support C++14 (and is deprecated, so likely # never will). Build these modules with C++11. my_cpp_std_version := -std=gnu++11 endif endif my_cppflags := $(my_cpp_std_version) $(my_cppflags) # arch-specific static libraries go first so that generic ones can depend on them my_static_libraries := $(LOCAL_STATIC_LIBRARIES_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_STATIC_LIBRARIES_$(my_32_64_bit_suffix)) $(my_static_libraries) my_whole_static_libraries := $(LOCAL_WHOLE_STATIC_LIBRARIES_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_WHOLE_STATIC_LIBRARIES_$(my_32_64_bit_suffix)) $(my_whole_static_libraries) include $(BUILD_SYSTEM)/cxx_stl_setup.mk # Add static HAL libraries ifdef LOCAL_HAL_STATIC_LIBRARIES $(foreach lib, $(LOCAL_HAL_STATIC_LIBRARIES), \ $(eval b_lib := $(filter $(lib).%,$(BOARD_HAL_STATIC_LIBRARIES)))\ $(if $(b_lib), $(eval my_static_libraries += $(b_lib)),\ $(eval my_static_libraries += $(lib).default))) b_lib := endif ifneq ($(strip $(CUSTOM_$(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)LINKER)),) my_linker := $(CUSTOM_$(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)LINKER) else my_linker := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_LINKER) endif include $(BUILD_SYSTEM)/config_sanitizers.mk # Add in libcompiler_rt for all regular device builds ifeq (,$(LOCAL_SDK_VERSION)$(WITHOUT_LIBCOMPILER_RT)) my_static_libraries += $(COMPILER_RT_CONFIG_EXTRA_STATIC_LIBRARIES) endif #################################################### ## Add FDO flags if FDO is turned on and supported ## Please note that we will do option filtering during FDO build. ## i.e. Os->O2, remove -fno-early-inline and -finline-limit. ################################################################## my_fdo_build := ifneq ($(filter true always, $(LOCAL_FDO_SUPPORT)),) ifeq ($(BUILD_FDO_INSTRUMENT),true) my_cflags += $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_FDO_INSTRUMENT_CFLAGS) my_ldflags += $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_FDO_INSTRUMENT_LDFLAGS) my_fdo_build := true else ifneq ($(filter true,$(BUILD_FDO_OPTIMIZE))$(filter always,$(LOCAL_FDO_SUPPORT)),) my_cflags += $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_FDO_OPTIMIZE_CFLAGS) my_fdo_build := true endif # Disable ccache (or other compiler wrapper) except gomacc, which # can handle -fprofile-use properly. my_cc_wrapper := $(filter $(GOMA_CC),$(my_cc_wrapper)) my_cxx_wrapper := $(filter $(GOMA_CC),$(my_cxx_wrapper)) endif ########################################################### ## Explicitly declare assembly-only __ASSEMBLY__ macro for ## assembly source ########################################################### my_asflags += -D__ASSEMBLY__ ########################################################### ## Define PRIVATE_ variables from global vars ########################################################### ifndef LOCAL_IS_HOST_MODULE ifdef LOCAL_SDK_VERSION my_target_project_includes := my_target_c_includes := $(my_ndk_stl_include_path) $(my_ndk_sysroot_include) my_target_global_cppflags := $(my_ndk_stl_cppflags) else my_target_project_includes := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_PROJECT_INCLUDES) my_target_c_includes := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_C_INCLUDES) my_target_global_cppflags := endif # LOCAL_SDK_VERSION ifeq ($(my_clang),true) my_target_global_cflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_TARGET_GLOBAL_CFLAGS) my_target_global_conlyflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_TARGET_GLOBAL_CONLYFLAGS) my_target_global_cppflags += $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_TARGET_GLOBAL_CPPFLAGS) my_target_global_ldflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_TARGET_GLOBAL_LDFLAGS) else my_target_global_cflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_CFLAGS) my_target_global_conlyflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_CONLYFLAGS) my_target_global_cppflags += $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_CPPFLAGS) my_target_global_ldflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_LDFLAGS) endif # my_clang $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_TARGET_PROJECT_INCLUDES := $(my_target_project_includes) $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_TARGET_C_INCLUDES := $(my_target_c_includes) $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_TARGET_GLOBAL_CFLAGS := $(my_target_global_cflags) $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_TARGET_GLOBAL_CONLYFLAGS := $(my_target_global_conlyflags) $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_TARGET_GLOBAL_CPPFLAGS := $(my_target_global_cppflags) $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_TARGET_GLOBAL_LDFLAGS := $(my_target_global_ldflags) else # LOCAL_IS_HOST_MODULE ifeq ($(my_clang),true) my_host_global_cflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_$(my_prefix)GLOBAL_CFLAGS) my_host_global_conlyflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_$(my_prefix)GLOBAL_CONLYFLAGS) my_host_global_cppflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_$(my_prefix)GLOBAL_CPPFLAGS) my_host_global_ldflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_$(my_prefix)GLOBAL_LDFLAGS) my_host_c_includes := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)C_INCLUDES) else my_host_global_cflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)GLOBAL_CFLAGS) my_host_global_conlyflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)GLOBAL_CONLYFLAGS) my_host_global_cppflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)GLOBAL_CPPFLAGS) my_host_global_ldflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)GLOBAL_LDFLAGS) my_host_c_includes := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)C_INCLUDES) endif # my_clang $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_HOST_C_INCLUDES := $(my_host_c_includes) $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_HOST_GLOBAL_CFLAGS := $(my_host_global_cflags) $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_HOST_GLOBAL_CONLYFLAGS := $(my_host_global_conlyflags) $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_HOST_GLOBAL_CPPFLAGS := $(my_host_global_cppflags) $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_HOST_GLOBAL_LDFLAGS := $(my_host_global_ldflags) endif # LOCAL_IS_HOST_MODULE # To enable coverage for a given module, set LOCAL_NATIVE_COVERAGE=true and # build with NATIVE_COVERAGE=true in your enviornment. Note that the build # system is not sensitive to changes to NATIVE_COVERAGE, so you should do a # clean build of your module after toggling it. ifeq ($(NATIVE_COVERAGE),true) ifeq ($(my_native_coverage),true) # Note that clang coverage doesn't play nicely with acov out of the box. # Clang apparently generates .gcno files that aren't compatible with # gcov-4.8. This can be solved by installing gcc-4.6 and invoking lcov # with `--gcov-tool /usr/bin/gcov-4.6`. # # http://stackoverflow.com/questions/17758126/clang-code-coverage-invalid-output my_cflags += --coverage -O0 my_ldflags += --coverage endif else my_native_coverage := false endif ifeq ($(my_clang),true) my_coverage_lib := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_LIBPROFILE_RT) else my_coverage_lib := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_LIBGCOV) endif $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_TARGET_COVERAGE_LIB := $(my_coverage_lib) ########################################################### ## Define PRIVATE_ variables used by multiple module types ########################################################### $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_NO_DEFAULT_COMPILER_FLAGS := \ $(strip $(LOCAL_NO_DEFAULT_COMPILER_FLAGS)) ifeq ($(strip $(WITH_SYNTAX_CHECK)),) LOCAL_NO_SYNTAX_CHECK := true endif ifeq ($(strip $(WITH_STATIC_ANALYZER)),) LOCAL_NO_STATIC_ANALYZER := true endif ifneq ($(strip $(LOCAL_IS_HOST_MODULE)),) my_syntax_arch := host else my_syntax_arch := $(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH) endif ifeq ($(strip $(my_cc)),) ifeq ($(my_clang),true) my_cc := $(CLANG) else my_cc := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)CC) endif my_cc := $(my_cc_wrapper) $(my_cc) endif ifneq ($(LOCAL_NO_STATIC_ANALYZER),true) my_cc := $(SYNTAX_TOOLS_PREFIX)/ccc-analyzer $(my_syntax_arch) "$(my_cc)" else ifneq ($(LOCAL_NO_SYNTAX_CHECK),true) my_cc := $(SYNTAX_TOOLS_PREFIX)/ccc-syntax $(my_syntax_arch) "$(my_cc)" endif endif $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CC := $(my_cc) ifeq ($(strip $(my_cxx)),) ifeq ($(my_clang),true) my_cxx := $(CLANG_CXX) else my_cxx := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)CXX) endif my_cxx := $(my_cxx_wrapper) $(my_cxx) endif ifneq ($(LOCAL_NO_STATIC_ANALYZER),true) my_cxx := $(SYNTAX_TOOLS_PREFIX)/cxx-analyzer $(my_syntax_arch) "$(my_cxx)" else ifneq ($(LOCAL_NO_SYNTAX_CHECK),true) my_cxx := $(SYNTAX_TOOLS_PREFIX)/cxx-syntax $(my_syntax_arch) "$(my_cxx)" endif endif $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_LINKER := $(my_linker) $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CXX := $(my_cxx) $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CLANG := $(my_clang) # TODO: support a mix of standard extensions so that this isn't necessary LOCAL_CPP_EXTENSION := $(strip $(LOCAL_CPP_EXTENSION)) ifeq ($(LOCAL_CPP_EXTENSION),) LOCAL_CPP_EXTENSION := .cpp endif # Certain modules like libdl have to have symbols resolved at runtime and blow # up if --no-undefined is passed to the linker. ifeq ($(strip $(LOCAL_NO_DEFAULT_COMPILER_FLAGS)),) ifeq ($(my_allow_undefined_symbols),) my_ldflags += $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)NO_UNDEFINED_LDFLAGS) endif endif ifeq (true,$(LOCAL_GROUP_STATIC_LIBRARIES)) $(LOCAL_BUILT_MODULE): PRIVATE_GROUP_STATIC_LIBRARIES := true else $(LOCAL_BUILT_MODULE): PRIVATE_GROUP_STATIC_LIBRARIES := endif ########################################################### ## Define arm-vs-thumb-mode flags. ########################################################### LOCAL_ARM_MODE := $(strip $(LOCAL_ARM_MODE)) ifeq ($($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH),arm) arm_objects_mode := $(if $(LOCAL_ARM_MODE),$(LOCAL_ARM_MODE),arm) normal_objects_mode := $(if $(LOCAL_ARM_MODE),$(LOCAL_ARM_MODE),thumb) # Read the values from something like TARGET_arm_CFLAGS or # TARGET_thumb_CFLAGS. HOST_(arm|thumb)_CFLAGS values aren't # actually used (although they are usually empty). arm_objects_cflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)$(arm_objects_mode)_CFLAGS) normal_objects_cflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)$(normal_objects_mode)_CFLAGS) ifeq ($(my_clang),true) arm_objects_cflags := $(call $(LOCAL_2ND_ARCH_VAR_PREFIX)convert-to-$(my_host)clang-flags,$(arm_objects_cflags)) normal_objects_cflags := $(call $(LOCAL_2ND_ARCH_VAR_PREFIX)convert-to-$(my_host)clang-flags,$(normal_objects_cflags)) endif else arm_objects_mode := normal_objects_mode := arm_objects_cflags := normal_objects_cflags := endif ########################################################### ## Define per-module debugging flags. Users can turn on ## debugging for a particular module by setting DEBUG_MODULE_ModuleName ## to a non-empty value in their environment or buildspec.mk, ## and setting HOST_/TARGET_CUSTOM_DEBUG_CFLAGS to the ## debug flags that they want to use. ########################################################### ifdef DEBUG_MODULE_$(strip $(LOCAL_MODULE)) debug_cflags := $($(my_prefix)CUSTOM_DEBUG_CFLAGS) else debug_cflags := endif #################################################### ## Keep track of src -> obj mapping #################################################### my_tracked_gen_files := my_tracked_src_files := ########################################################### ## Stuff source generated from one-off tools ########################################################### $(my_generated_sources): PRIVATE_MODULE := $(my_register_name) my_gen_sources_copy := $(patsubst $(generated_sources_dir)/%,$(intermediates)/%,$(filter $(generated_sources_dir)/%,$(my_generated_sources))) $(my_gen_sources_copy): $(intermediates)/% : $(generated_sources_dir)/% | $(ACP) @echo "Copy: $@" $(copy-file-to-target) my_generated_sources := $(patsubst $(generated_sources_dir)/%,$(intermediates)/%,$(my_generated_sources)) # Generated sources that will actually produce object files. # Other files (like headers) are allowed in LOCAL_GENERATED_SOURCES, # since other compiled sources may depend on them, and we set up # the dependencies. my_gen_src_files := $(filter %.c %$(LOCAL_CPP_EXTENSION) %.S %.s,$(my_generated_sources)) ALL_GENERATED_SOURCES += $(my_generated_sources) #################################################### ## Compile RenderScript with reflected C++ #################################################### renderscript_sources := $(filter %.rs %.fs,$(my_src_files)) ifneq (,$(renderscript_sources)) renderscript_sources_fullpath := $(addprefix $(LOCAL_PATH)/, $(renderscript_sources)) RenderScript_file_stamp := $(intermediates)/RenderScriptCPP.stamp renderscript_intermediate := $(intermediates)/renderscript renderscript_target_api := ifneq (,$(LOCAL_RENDERSCRIPT_TARGET_API)) renderscript_target_api := $(LOCAL_RENDERSCRIPT_TARGET_API) else ifneq (,$(LOCAL_SDK_VERSION)) # Set target-api for LOCAL_SDK_VERSIONs other than current. ifneq (,$(filter-out current system_current test_current, $(LOCAL_SDK_VERSION))) renderscript_target_api := $(LOCAL_SDK_VERSION) endif endif # LOCAL_SDK_VERSION is set endif # LOCAL_RENDERSCRIPT_TARGET_API is set ifeq ($(LOCAL_RENDERSCRIPT_CC),) LOCAL_RENDERSCRIPT_CC := $(LLVM_RS_CC) endif # Turn on all warnings and warnings as errors for RS compiles. # This can be disabled with LOCAL_RENDERSCRIPT_FLAGS := -Wno-error renderscript_flags := -Wall -Werror renderscript_flags += $(LOCAL_RENDERSCRIPT_FLAGS) # -m32 or -m64 renderscript_flags += -m$(my_32_64_bit_suffix) renderscript_includes := \ $(TOPDIR)external/clang/lib/Headers \ $(TOPDIR)frameworks/rs/scriptc \ $(LOCAL_RENDERSCRIPT_INCLUDES) ifneq ($(LOCAL_RENDERSCRIPT_INCLUDES_OVERRIDE),) renderscript_includes := $(LOCAL_RENDERSCRIPT_INCLUDES_OVERRIDE) endif bc_dep_files := $(addprefix $(renderscript_intermediate)/, \ $(patsubst %.fs,%.d, $(patsubst %.rs,%.d, $(notdir $(renderscript_sources))))) $(RenderScript_file_stamp): PRIVATE_RS_INCLUDES := $(renderscript_includes) $(RenderScript_file_stamp): PRIVATE_RS_CC := $(LOCAL_RENDERSCRIPT_CC) $(RenderScript_file_stamp): PRIVATE_RS_FLAGS := $(renderscript_flags) $(RenderScript_file_stamp): PRIVATE_RS_SOURCE_FILES := $(renderscript_sources_fullpath) $(RenderScript_file_stamp): PRIVATE_RS_OUTPUT_DIR := $(renderscript_intermediate) $(RenderScript_file_stamp): PRIVATE_RS_TARGET_API := $(renderscript_target_api) $(RenderScript_file_stamp): PRIVATE_DEP_FILES := $(bc_dep_files) $(RenderScript_file_stamp): $(renderscript_sources_fullpath) $(LOCAL_RENDERSCRIPT_CC) $(transform-renderscripts-to-cpp-and-bc) # include the dependency files (.d/.P) generated by llvm-rs-cc. $(call include-depfile,$(RenderScript_file_stamp).P,$(RenderScript_file_stamp)) LOCAL_INTERMEDIATE_TARGETS += $(RenderScript_file_stamp) rs_generated_cpps := $(addprefix \ $(renderscript_intermediate)/ScriptC_,$(patsubst %.fs,%.cpp, $(patsubst %.rs,%.cpp, \ $(notdir $(renderscript_sources))))) $(call track-src-file-gen,$(renderscript_sources),$(rs_generated_cpps)) # This is just a dummy rule to make sure gmake doesn't skip updating the dependents. $(rs_generated_cpps) : $(RenderScript_file_stamp) @echo "Updated RS generated cpp file $@." $(hide) touch $@ my_c_includes += $(renderscript_intermediate) my_generated_sources += $(rs_generated_cpps) endif ########################################################### ## Compile the .proto files to .cc (or .c) and then to .o ########################################################### proto_sources := $(filter %.proto,$(my_src_files)) proto_generated_objects := proto_generated_headers := ifneq ($(proto_sources),) proto_generated_sources_dir := $(generated_sources_dir)/proto proto_generated_obj_dir := $(intermediates)/proto ifneq (,$(filter nanopb-c nanopb-c-enable_malloc, $(LOCAL_PROTOC_OPTIMIZE_TYPE))) my_proto_source_suffix := .c my_proto_c_includes := external/nanopb-c my_protoc_flags := --nanopb_out=$(proto_generated_sources_dir) \ --plugin=external/nanopb-c/generator/protoc-gen-nanopb else my_proto_source_suffix := .cc my_proto_c_includes := external/protobuf/src my_cflags += -DGOOGLE_PROTOBUF_NO_RTTI my_protoc_flags := --cpp_out=$(proto_generated_sources_dir) endif my_proto_c_includes += $(proto_generated_sources_dir) proto_sources_fullpath := $(addprefix $(LOCAL_PATH)/, $(proto_sources)) proto_generated_sources := $(addprefix $(proto_generated_sources_dir)/, \ $(patsubst %.proto,%.pb$(my_proto_source_suffix),$(proto_sources_fullpath))) proto_generated_headers := $(patsubst %.pb$(my_proto_source_suffix),%.pb.h, $(proto_generated_sources)) proto_generated_objects := $(addprefix $(proto_generated_obj_dir)/, \ $(patsubst %.proto,%.pb.o,$(proto_sources_fullpath))) $(call track-src-file-obj,$(proto_sources),$(proto_generated_objects)) # Ensure the transform-proto-to-cc rule is only defined once in multilib build. ifndef $(my_prefix)_$(LOCAL_MODULE_CLASS)_$(LOCAL_MODULE)_proto_defined $(proto_generated_sources): PRIVATE_PROTO_INCLUDES := $(TOP) $(proto_generated_sources): PRIVATE_PROTOC_FLAGS := $(LOCAL_PROTOC_FLAGS) $(my_protoc_flags) $(proto_generated_sources): $(proto_generated_sources_dir)/%.pb$(my_proto_source_suffix): %.proto $(PROTOC) $(transform-proto-to-cc) # This is just a dummy rule to make sure gmake doesn't skip updating the dependents. $(proto_generated_headers): $(proto_generated_sources_dir)/%.pb.h: $(proto_generated_sources_dir)/%.pb$(my_proto_source_suffix) @echo "Updated header file $@." $(hide) touch $@ $(my_prefix)_$(LOCAL_MODULE_CLASS)_$(LOCAL_MODULE)_proto_defined := true endif # transform-proto-to-cc rule included only once $(proto_generated_objects): PRIVATE_ARM_MODE := $(normal_objects_mode) $(proto_generated_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags) $(proto_generated_objects): $(proto_generated_obj_dir)/%.o: $(proto_generated_sources_dir)/%$(my_proto_source_suffix) $(proto_generated_headers) ifeq ($(my_proto_source_suffix),.c) $(transform-$(PRIVATE_HOST)c-to-o) else $(transform-$(PRIVATE_HOST)cpp-to-o) endif -include $(proto_generated_objects:%.o=%.P) my_c_includes += $(my_proto_c_includes) # Auto-export the generated proto source dir. my_export_c_include_dirs += $(my_proto_c_includes) ifeq ($(LOCAL_PROTOC_OPTIMIZE_TYPE),nanopb-c-enable_malloc) my_static_libraries += libprotobuf-c-nano-enable_malloc else ifeq ($(LOCAL_PROTOC_OPTIMIZE_TYPE),nanopb-c) my_static_libraries += libprotobuf-c-nano else ifeq ($(LOCAL_PROTOC_OPTIMIZE_TYPE),full) ifdef LOCAL_SDK_VERSION my_static_libraries += libprotobuf-cpp-full-ndk else my_shared_libraries += libprotobuf-cpp-full endif else ifdef LOCAL_SDK_VERSION my_static_libraries += libprotobuf-cpp-lite-ndk else my_shared_libraries += libprotobuf-cpp-lite endif endif endif # $(proto_sources) non-empty ########################################################### ## Compile the .dbus-xml files to c++ headers ########################################################### dbus_definitions := $(filter %.dbus-xml,$(my_src_files)) dbus_generated_headers := ifneq ($(dbus_definitions),) dbus_definition_paths := $(addprefix $(LOCAL_PATH)/,$(dbus_definitions)) dbus_service_config := $(filter %dbus-service-config.json,$(my_src_files)) dbus_service_config_path := $(addprefix $(LOCAL_PATH)/,$(dbus_service_config)) # Mark these source files as not producing objects $(call track-src-file-obj,$(dbus_definitions) $(dbus_service_config),) dbus_gen_dir := $(generated_sources_dir)/dbus_bindings ifdef LOCAL_DBUS_PROXY_PREFIX dbus_header_dir := $(dbus_gen_dir)/include/$(LOCAL_DBUS_PROXY_PREFIX) dbus_headers := dbus-proxies.h else dbus_header_dir := $(dbus_gen_dir) dbus_headers := $(patsubst %.dbus-xml,%.h,$(dbus_definitions)) endif dbus_generated_headers := $(addprefix $(dbus_header_dir)/,$(dbus_headers)) # Ensure that we only define build rules once in multilib builds. ifndef $(my_prefix)_$(LOCAL_MODULE_CLASS)_$(LOCAL_MODULE)_dbus_bindings_defined $(my_prefix)_$(LOCAL_MODULE_CLASS)_$(LOCAL_MODULE)_dbus_bindings_defined := true $(dbus_generated_headers): PRIVATE_MODULE := $(LOCAL_MODULE) $(dbus_generated_headers): PRIVATE_DBUS_SERVICE_CONFIG := $(dbus_service_config_path) $(dbus_generated_headers) : $(dbus_service_config_path) $(DBUS_GENERATOR) ifdef LOCAL_DBUS_PROXY_PREFIX $(dbus_generated_headers) : $(dbus_definition_paths) $(generate-dbus-proxies) else $(dbus_generated_headers) : $(dbus_header_dir)/%.h : $(LOCAL_PATH)/%.dbus-xml $(generate-dbus-adaptors) endif # $(LOCAL_DBUS_PROXY_PREFIX) endif # $(my_prefix)_$(LOCAL_MODULE_CLASS)_$(LOCAL_MODULE)_dbus_bindings_defined ifdef LOCAL_DBUS_PROXY_PREFIX # Auto-export the generated dbus proxy directory. my_export_c_include_dirs += $(dbus_gen_dir)/include my_c_includes += $(dbus_gen_dir)/include else my_export_c_include_dirs += $(dbus_header_dir) my_c_includes += $(dbus_header_dir) endif # $(LOCAL_DBUS_PROXY_PREFIX) my_generated_sources += $(dbus_generated_headers) endif # $(dbus_definitions) non-empty ########################################################### ## AIDL: Compile .aidl files to .cpp and .h files ########################################################### aidl_src := $(strip $(filter %.aidl,$(my_src_files))) aidl_gen_cpp := ifneq ($(aidl_src),) # Use the intermediates directory to avoid writing our own .cpp -> .o rules. aidl_gen_cpp_root := $(intermediates)/aidl-generated/src aidl_gen_include_root := $(intermediates)/aidl-generated/include # Multi-architecture builds have distinct intermediates directories. # Thus we'll actually generate source for each architecture. $(foreach s,$(aidl_src),\ $(eval $(call define-aidl-cpp-rule,$(s),$(aidl_gen_cpp_root),aidl_gen_cpp))) $(foreach cpp,$(aidl_gen_cpp), \ $(call include-depfile,$(addsuffix .aidl.P,$(basename $(cpp))),$(cpp))) $(call track-src-file-gen,$(aidl_src),$(aidl_gen_cpp)) $(aidl_gen_cpp) : PRIVATE_MODULE := $(LOCAL_MODULE) $(aidl_gen_cpp) : PRIVATE_HEADER_OUTPUT_DIR := $(aidl_gen_include_root) $(aidl_gen_cpp) : PRIVATE_AIDL_FLAGS := $(addprefix -I,$(LOCAL_AIDL_INCLUDES)) # Add generated headers to include paths. my_c_includes += $(aidl_gen_include_root) my_export_c_include_dirs += $(aidl_gen_include_root) # Pick up the generated C++ files later for transformation to .o files. my_generated_sources += $(aidl_gen_cpp) endif # $(aidl_src) non-empty ########################################################### ## YACC: Compile .y/.yy files to .c/.cpp and then to .o. ########################################################### y_yacc_sources := $(filter %.y,$(my_src_files)) y_yacc_cs := $(addprefix \ $(intermediates)/,$(y_yacc_sources:.y=.c)) ifneq ($(y_yacc_cs),) $(y_yacc_cs): $(intermediates)/%.c: \ $(TOPDIR)$(LOCAL_PATH)/%.y \ $(my_additional_dependencies) $(call transform-y-to-c-or-cpp) $(call track-src-file-gen,$(y_yacc_sources),$(y_yacc_cs)) my_generated_sources += $(y_yacc_cs) endif yy_yacc_sources := $(filter %.yy,$(my_src_files)) yy_yacc_cpps := $(addprefix \ $(intermediates)/,$(yy_yacc_sources:.yy=$(LOCAL_CPP_EXTENSION))) ifneq ($(yy_yacc_cpps),) $(yy_yacc_cpps): $(intermediates)/%$(LOCAL_CPP_EXTENSION): \ $(TOPDIR)$(LOCAL_PATH)/%.yy \ $(my_additional_dependencies) $(call transform-y-to-c-or-cpp) $(call track-src-file-gen,$(yy_yacc_sources),$(yy_yacc_cpps)) my_generated_sources += $(yy_yacc_cpps) endif ########################################################### ## LEX: Compile .l/.ll files to .c/.cpp and then to .o. ########################################################### l_lex_sources := $(filter %.l,$(my_src_files)) l_lex_cs := $(addprefix \ $(intermediates)/,$(l_lex_sources:.l=.c)) ifneq ($(l_lex_cs),) $(l_lex_cs): $(intermediates)/%.c: \ $(TOPDIR)$(LOCAL_PATH)/%.l $(transform-l-to-c-or-cpp) $(call track-src-file-gen,$(l_lex_sources),$(l_lex_cs)) my_generated_sources += $(l_lex_cs) endif ll_lex_sources := $(filter %.ll,$(my_src_files)) ll_lex_cpps := $(addprefix \ $(intermediates)/,$(ll_lex_sources:.ll=$(LOCAL_CPP_EXTENSION))) ifneq ($(ll_lex_cpps),) $(ll_lex_cpps): $(intermediates)/%$(LOCAL_CPP_EXTENSION): \ $(TOPDIR)$(LOCAL_PATH)/%.ll $(transform-l-to-c-or-cpp) $(call track-src-file-gen,$(ll_lex_sources),$(ll_lex_cpps)) my_generated_sources += $(ll_lex_cpps) endif ########################################################### ## C++: Compile .cpp files to .o. ########################################################### # we also do this on host modules, even though # it's not really arm, because there are files that are shared. cpp_arm_sources := $(patsubst %$(LOCAL_CPP_EXTENSION).arm,%$(LOCAL_CPP_EXTENSION),$(filter %$(LOCAL_CPP_EXTENSION).arm,$(my_src_files))) dotdot_arm_sources := $(filter ../%,$(cpp_arm_sources)) cpp_arm_sources := $(filter-out ../%,$(cpp_arm_sources)) cpp_arm_objects := $(addprefix $(intermediates)/,$(cpp_arm_sources:$(LOCAL_CPP_EXTENSION)=.o)) $(call track-src-file-obj,$(patsubst %,%.arm,$(cpp_arm_sources)),$(cpp_arm_objects)) # For source files starting with ../, we remove all the ../ in the object file path, # to avoid object file escaping the intermediate directory. dotdot_arm_objects := $(foreach s,$(dotdot_arm_sources),\ $(eval $(call compile-dotdot-cpp-file,$(s),\ $(yacc_cpps) $(proto_generated_headers) $(my_additional_dependencies),\ dotdot_arm_objects))) $(call track-src-file-obj,$(patsubst %,%.arm,$(dotdot_arm_sources)),$(dotdot_arm_objects)) dotdot_sources := $(filter ../%$(LOCAL_CPP_EXTENSION),$(my_src_files)) dotdot_objects := $(foreach s,$(dotdot_sources),\ $(eval $(call compile-dotdot-cpp-file,$(s),\ $(yacc_cpps) $(proto_generated_headers) $(my_additional_dependencies),\ dotdot_objects))) $(call track-src-file-obj,$(dotdot_sources),$(dotdot_objects)) cpp_normal_sources := $(filter-out ../%,$(filter %$(LOCAL_CPP_EXTENSION),$(my_src_files))) cpp_normal_objects := $(addprefix $(intermediates)/,$(cpp_normal_sources:$(LOCAL_CPP_EXTENSION)=.o)) $(call track-src-file-obj,$(cpp_normal_sources),$(cpp_normal_objects)) $(dotdot_arm_objects) $(cpp_arm_objects): PRIVATE_ARM_MODE := $(arm_objects_mode) $(dotdot_arm_objects) $(cpp_arm_objects): PRIVATE_ARM_CFLAGS := $(arm_objects_cflags) $(dotdot_objects) $(cpp_normal_objects): PRIVATE_ARM_MODE := $(normal_objects_mode) $(dotdot_objects) $(cpp_normal_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags) cpp_objects := $(cpp_arm_objects) $(cpp_normal_objects) ifneq ($(strip $(cpp_objects)),) $(cpp_objects): $(intermediates)/%.o: \ $(TOPDIR)$(LOCAL_PATH)/%$(LOCAL_CPP_EXTENSION) \ $(yacc_cpps) $(proto_generated_headers) \ $(my_additional_dependencies) $(transform-$(PRIVATE_HOST)cpp-to-o) -include $(cpp_objects:%.o=%.P) endif cpp_objects += $(dotdot_arm_objects) $(dotdot_objects) ########################################################### ## C++: Compile generated .cpp files to .o. ########################################################### gen_cpp_sources := $(filter %$(LOCAL_CPP_EXTENSION),$(my_generated_sources)) gen_cpp_objects := $(gen_cpp_sources:%$(LOCAL_CPP_EXTENSION)=%.o) $(call track-gen-file-obj,$(gen_cpp_sources),$(gen_cpp_objects)) ifneq ($(strip $(gen_cpp_objects)),) # Compile all generated files as thumb. # TODO: support compiling certain generated files as arm. $(gen_cpp_objects): PRIVATE_ARM_MODE := $(normal_objects_mode) $(gen_cpp_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags) $(gen_cpp_objects): $(intermediates)/%.o: \ $(intermediates)/%$(LOCAL_CPP_EXTENSION) $(yacc_cpps) \ $(proto_generated_headers) \ $(my_additional_dependencies) $(transform-$(PRIVATE_HOST)cpp-to-o) -include $(gen_cpp_objects:%.o=%.P) endif ########################################################### ## S: Compile generated .S and .s files to .o. ########################################################### gen_S_sources := $(filter %.S,$(my_generated_sources)) gen_S_objects := $(gen_S_sources:%.S=%.o) $(call track-gen-file-obj,$(gen_S_sources),$(gen_S_objects)) ifneq ($(strip $(gen_S_sources)),) $(gen_S_objects): $(intermediates)/%.o: $(intermediates)/%.S \ $(my_additional_dependencies) $(transform-$(PRIVATE_HOST)s-to-o) -include $(gen_S_objects:%.o=%.P) endif gen_s_sources := $(filter %.s,$(my_generated_sources)) gen_s_objects := $(gen_s_sources:%.s=%.o) $(call track-gen-file-obj,$(gen_s_sources),$(gen_s_objects)) ifneq ($(strip $(gen_s_objects)),) $(gen_s_objects): $(intermediates)/%.o: $(intermediates)/%.s \ $(my_additional_dependencies) $(transform-$(PRIVATE_HOST)s-to-o-no-deps) -include $(gen_s_objects:%.o=%.P) endif gen_asm_objects := $(gen_S_objects) $(gen_s_objects) $(gen_asm_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags) ########################################################### ## o: Include generated .o files in output. ########################################################### gen_o_objects := $(filter %.o,$(my_generated_sources)) ########################################################### ## C: Compile .c files to .o. ########################################################### c_arm_sources := $(patsubst %.c.arm,%.c,$(filter %.c.arm,$(my_src_files))) dotdot_arm_sources := $(filter ../%,$(c_arm_sources)) c_arm_sources := $(filter-out ../%,$(c_arm_sources)) c_arm_objects := $(addprefix $(intermediates)/,$(c_arm_sources:.c=.o)) $(call track-src-file-obj,$(patsubst %,%.arm,$(c_arm_sources)),$(c_arm_objects)) # For source files starting with ../, we remove all the ../ in the object file path, # to avoid object file escaping the intermediate directory. dotdot_arm_objects := $(foreach s,$(dotdot_arm_sources),\ $(eval $(call compile-dotdot-c-file,$(s),\ $(yacc_cpps) $(proto_generated_headers) $(my_additional_dependencies),\ dotdot_arm_objects))) $(call track-src-file-obj,$(patsubst %,%.arm,$(dotdot_arm_sources)),$(dotdot_arm_objects)) dotdot_sources := $(filter ../%.c, $(my_src_files)) dotdot_objects := $(foreach s, $(dotdot_sources),\ $(eval $(call compile-dotdot-c-file,$(s),\ $(yacc_cpps) $(proto_generated_headers) $(my_additional_dependencies),\ dotdot_objects))) $(call track-src-file-obj,$(dotdot_sources),$(dotdot_objects)) c_normal_sources := $(filter-out ../%,$(filter %.c,$(my_src_files))) c_normal_objects := $(addprefix $(intermediates)/,$(c_normal_sources:.c=.o)) $(call track-src-file-obj,$(c_normal_sources),$(c_normal_objects)) $(dotdot_arm_objects) $(c_arm_objects): PRIVATE_ARM_MODE := $(arm_objects_mode) $(dotdot_arm_objects) $(c_arm_objects): PRIVATE_ARM_CFLAGS := $(arm_objects_cflags) $(dotdot_objects) $(c_normal_objects): PRIVATE_ARM_MODE := $(normal_objects_mode) $(dotdot_objects) $(c_normal_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags) c_objects := $(c_arm_objects) $(c_normal_objects) ifneq ($(strip $(c_objects)),) $(c_objects): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.c $(yacc_cpps) $(proto_generated_headers) \ $(my_additional_dependencies) $(transform-$(PRIVATE_HOST)c-to-o) -include $(c_objects:%.o=%.P) endif c_objects += $(dotdot_arm_objects) $(dotdot_objects) ########################################################### ## C: Compile generated .c files to .o. ########################################################### gen_c_sources := $(filter %.c,$(my_generated_sources)) gen_c_objects := $(gen_c_sources:%.c=%.o) $(call track-gen-file-obj,$(gen_c_sources),$(gen_c_objects)) ifneq ($(strip $(gen_c_objects)),) # Compile all generated files as thumb. # TODO: support compiling certain generated files as arm. $(gen_c_objects): PRIVATE_ARM_MODE := $(normal_objects_mode) $(gen_c_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags) $(gen_c_objects): $(intermediates)/%.o: $(intermediates)/%.c $(yacc_cpps) $(proto_generated_headers) \ $(my_additional_dependencies) $(transform-$(PRIVATE_HOST)c-to-o) -include $(gen_c_objects:%.o=%.P) endif ########################################################### ## ObjC: Compile .m files to .o ########################################################### objc_sources := $(filter %.m,$(my_src_files)) objc_objects := $(addprefix $(intermediates)/,$(objc_sources:.m=.o)) $(call track-src-file-obj,$(objc_sources),$(objc_objects)) ifneq ($(strip $(objc_objects)),) $(objc_objects): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.m $(yacc_cpps) $(proto_generated_headers) \ $(my_additional_dependencies) $(transform-$(PRIVATE_HOST)m-to-o) -include $(objc_objects:%.o=%.P) endif ########################################################### ## ObjC++: Compile .mm files to .o ########################################################### objcpp_sources := $(filter %.mm,$(my_src_files)) objcpp_objects := $(addprefix $(intermediates)/,$(objcpp_sources:.mm=.o)) $(call track-src-file-obj,$(objcpp_sources),$(objcpp_objects)) ifneq ($(strip $(objcpp_objects)),) $(objcpp_objects): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.mm $(yacc_cpps) $(proto_generated_headers) \ $(my_additional_dependencies) $(transform-$(PRIVATE_HOST)mm-to-o) -include $(objcpp_objects:%.o=%.P) endif ########################################################### ## AS: Compile .S files to .o. ########################################################### asm_sources_S := $(filter %.S,$(my_src_files)) dotdot_sources := $(filter ../%,$(asm_sources_S)) asm_sources_S := $(filter-out ../%,$(asm_sources_S)) asm_objects_S := $(addprefix $(intermediates)/,$(asm_sources_S:.S=.o)) $(call track-src-file-obj,$(asm_sources_S),$(asm_objects_S)) dotdot_objects_S := $(foreach s,$(dotdot_sources),\ $(eval $(call compile-dotdot-s-file,$(s),\ $(my_additional_dependencies),\ dotdot_objects_S))) $(call track-src-file-obj,$(dotdot_sources),$(dotdot_objects_S)) ifneq ($(strip $(asm_objects_S)),) $(asm_objects_S): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.S \ $(my_additional_dependencies) $(transform-$(PRIVATE_HOST)s-to-o) -include $(asm_objects_S:%.o=%.P) endif asm_sources_s := $(filter %.s,$(my_src_files)) dotdot_sources := $(filter ../%,$(asm_sources_s)) asm_sources_s := $(filter-out ../%,$(asm_sources_s)) asm_objects_s := $(addprefix $(intermediates)/,$(asm_sources_s:.s=.o)) $(call track-src-file-obj,$(asm_sources_s),$(asm_objects_s)) dotdot_objects_s := $(foreach s,$(dotdot_sources),\ $(eval $(call compile-dotdot-s-file-no-deps,$(s),\ $(my_additional_dependencies),\ dotdot_objects_s))) $(call track-src-file-obj,$(dotdot_sources),$(dotdot_objects_s)) ifneq ($(strip $(asm_objects_s)),) $(asm_objects_s): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.s \ $(my_additional_dependencies) $(transform-$(PRIVATE_HOST)s-to-o-no-deps) endif asm_objects := $(dotdot_objects_S) $(dotdot_objects_s) $(asm_objects_S) $(asm_objects_s) $(asm_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags) # .asm for x86/x86_64 needs to be compiled with yasm. asm_sources_asm := $(filter %.asm,$(my_src_files)) ifneq ($(strip $(asm_sources_asm)),) asm_objects_asm := $(addprefix $(intermediates)/,$(asm_sources_asm:.asm=.o)) $(asm_objects_asm): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.asm \ $(my_additional_dependencies) $(transform-asm-to-o) $(call track-src-file-obj,$(asm_sources_asm),$(asm_objects_asm)) asm_objects += $(asm_objects_asm) endif ########################################################## ## Set up installed module dependency ## We cannot compute the full path of the LOCAL_SHARED_LIBRARIES for ## they may cusomize their install path with LOCAL_MODULE_PATH ########################################################## # Get the list of INSTALLED libraries as module names. ifdef LOCAL_SDK_VERSION installed_shared_library_module_names := \ $(my_shared_libraries) else installed_shared_library_module_names := \ $(my_shared_libraries) $(my_system_shared_libraries) 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 installed_shared_library_module_names $(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)DEPENDENCIES_ON_SHARED_LIBRARIES += \ $(my_register_name):$(LOCAL_INSTALLED_MODULE):$(subst $(space),$(comma),$(sort $(installed_shared_library_module_names))) endif endif #################################################### ## Import includes #################################################### import_includes := $(intermediates)/import_includes import_includes_deps := $(strip \ $(foreach l, $(installed_shared_library_module_names), \ $(call intermediates-dir-for,SHARED_LIBRARIES,$(l),$(LOCAL_IS_HOST_MODULE),,$(LOCAL_2ND_ARCH_VAR_PREFIX),$(my_host_cross))/export_includes) \ $(foreach l, $(my_static_libraries) $(my_whole_static_libraries), \ $(call intermediates-dir-for,STATIC_LIBRARIES,$(l),$(LOCAL_IS_HOST_MODULE),,$(LOCAL_2ND_ARCH_VAR_PREFIX),$(my_host_cross))/export_includes)) $(import_includes): PRIVATE_IMPORT_EXPORT_INCLUDES := $(import_includes_deps) $(import_includes) : $(LOCAL_MODULE_MAKEFILE_DEP) $(import_includes_deps) @echo Import includes file: $@ $(hide) mkdir -p $(dir $@) && rm -f $@ ifdef import_includes_deps $(hide) for f in $(PRIVATE_IMPORT_EXPORT_INCLUDES); do \ cat $$f >> $@; \ done else $(hide) touch $@ endif ########################################################### ## Common object handling. ########################################################### my_unused_src_files := $(filter-out $(logtags_sources) $(my_tracked_src_files),$(my_src_files) $(my_gen_src_files)) ifneq ($(my_unused_src_files),) $(warning $(LOCAL_MODULE_MAKEFILE): $(LOCAL_MODULE): Unused source files: $(my_unused_src_files)) endif # some rules depend on asm_objects being first. If your code depends on # being first, it's reasonable to require it to be assembly normal_objects := \ $(asm_objects) \ $(cpp_objects) \ $(gen_cpp_objects) \ $(gen_asm_objects) \ $(c_objects) \ $(gen_c_objects) \ $(objc_objects) \ $(objcpp_objects) \ $(proto_generated_objects) new_order_normal_objects := $(foreach f,$(my_src_files),$(my_src_file_obj_$(f))) new_order_normal_objects += $(foreach f,$(my_gen_src_files),$(my_src_file_obj_$(f))) ifneq ($(sort $(normal_objects)),$(sort $(new_order_normal_objects))) $(warning $(LOCAL_MODULE_MAKEFILE) Internal build system warning: New object list does not match old) $(info Only in old: $(filter-out $(new_order_normal_objects),$(sort $(normal_objects)))) $(info Only in new: $(filter-out $(normal_objects),$(sort $(new_order_normal_objects)))) endif ifeq ($(BINARY_OBJECTS_ORDER),soong) normal_objects := $(new_order_normal_objects) endif normal_objects += $(addprefix $(TOPDIR)$(LOCAL_PATH)/,$(LOCAL_PREBUILT_OBJ_FILES)) all_objects := $(normal_objects) $(gen_o_objects) # Cleanup file tracking $(foreach f,$(my_tracked_gen_files),$(eval my_src_file_gen_$(s):=)) my_tracked_gen_files := $(foreach f,$(my_tracked_src_files),$(eval my_src_file_obj_$(s):=)) my_tracked_src_files := my_c_includes += $(TOPDIR)$(LOCAL_PATH) $(intermediates) $(generated_sources_dir) ifndef LOCAL_SDK_VERSION my_c_includes += $(JNI_H_INCLUDE) endif # all_objects includes gen_o_objects which were part of LOCAL_GENERATED_SOURCES; # use normal_objects here to avoid creating circular dependencies. This assumes # that custom build rules which generate .o files don't consume other generated # sources as input (or if they do they take care of that dependency themselves). $(normal_objects) : | $(my_generated_sources) ifeq ($(BUILDING_WITH_NINJA),true) $(all_objects) : $(import_includes) else $(all_objects) : | $(import_includes) endif ALL_C_CPP_ETC_OBJECTS += $(all_objects) ########################################################### # Standard library handling. ########################################################### ########################################################### # The list of libraries that this module will link against are in # these variables. Each is a list of bare module names like "libc libm". # # LOCAL_SHARED_LIBRARIES # LOCAL_STATIC_LIBRARIES # LOCAL_WHOLE_STATIC_LIBRARIES # # We need to convert the bare names into the dependencies that # we'll use for LOCAL_BUILT_MODULE and LOCAL_INSTALLED_MODULE. # LOCAL_BUILT_MODULE should depend on the BUILT versions of the # libraries, so that simply building this module doesn't force # an install of a library. Similarly, LOCAL_INSTALLED_MODULE # should depend on the INSTALLED versions of the libraries so # that they get installed when this module does. ########################################################### # NOTE: # WHOLE_STATIC_LIBRARIES are libraries that are pulled into the # module without leaving anything out, which is useful for turning # a collection of .a files into a .so file. Linking against a # normal STATIC_LIBRARY will only pull in code/symbols that are # referenced by the module. (see gcc/ld's --whole-archive option) ########################################################### # Get the list of BUILT libraries, which are under # various intermediates directories. so_suffix := $($(my_prefix)SHLIB_SUFFIX) a_suffix := $($(my_prefix)STATIC_LIB_SUFFIX) ifdef LOCAL_SDK_VERSION built_shared_libraries := \ $(addprefix $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)OUT_INTERMEDIATE_LIBRARIES)/, \ $(addsuffix $(so_suffix), \ $(my_shared_libraries))) built_shared_library_deps := $(addsuffix .toc, $(built_shared_libraries)) # Add the NDK libraries to the built module dependency my_system_shared_libraries_fullpath := \ $(my_ndk_stl_shared_lib_fullpath) \ $(addprefix $(my_ndk_sysroot_lib)/, \ $(addsuffix $(so_suffix), $(my_system_shared_libraries))) built_shared_libraries += $(my_system_shared_libraries_fullpath) else built_shared_libraries := \ $(addprefix $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)OUT_INTERMEDIATE_LIBRARIES)/, \ $(addsuffix $(so_suffix), \ $(installed_shared_library_module_names))) ifdef LOCAL_IS_HOST_MODULE # Disable .toc optimization for host modules: we may run the host binaries during the build process # and the libraries' implementation matters. built_shared_library_deps := $(built_shared_libraries) else built_shared_library_deps := $(addsuffix .toc, $(built_shared_libraries)) endif my_system_shared_libraries_fullpath := endif built_static_libraries := \ $(foreach lib,$(my_static_libraries), \ $(call intermediates-dir-for, \ STATIC_LIBRARIES,$(lib),$(LOCAL_IS_HOST_MODULE),,$(LOCAL_2ND_ARCH_VAR_PREFIX),$(my_host_cross))/$(lib)$(a_suffix)) ifdef LOCAL_SDK_VERSION built_static_libraries += $(my_ndk_stl_static_lib) endif built_whole_libraries := \ $(foreach lib,$(my_whole_static_libraries), \ $(call intermediates-dir-for, \ STATIC_LIBRARIES,$(lib),$(LOCAL_IS_HOST_MODULE),,$(LOCAL_2ND_ARCH_VAR_PREFIX),$(my_host_cross))/$(lib)$(a_suffix)) # 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) installed_static_library_notice_file_targets := \ $(foreach lib,$(my_static_libraries) $(my_whole_static_libraries), \ NOTICE-$(if $(LOCAL_IS_HOST_MODULE),HOST,TARGET)-STATIC_LIBRARIES-$(lib)) # Default is -fno-rtti. ifeq ($(strip $(LOCAL_RTTI_FLAG)),) LOCAL_RTTI_FLAG := -fno-rtti endif ########################################################### # Rule-specific variable definitions ########################################################### ifeq ($(my_clang),true) my_cflags += $(LOCAL_CLANG_CFLAGS) my_conlyflags += $(LOCAL_CLANG_CONLYFLAGS) my_cppflags += $(LOCAL_CLANG_CPPFLAGS) my_cflags_no_override += $(GLOBAL_CLANG_CFLAGS_NO_OVERRIDE) my_cppflags_no_override += $(GLOBAL_CLANG_CPPFLAGS_NO_OVERRIDE) my_asflags += $(LOCAL_CLANG_ASFLAGS) my_ldflags += $(LOCAL_CLANG_LDFLAGS) my_cflags += $(LOCAL_CLANG_CFLAGS_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_CLANG_CFLAGS_$(my_32_64_bit_suffix)) my_conlyflags += $(LOCAL_CLANG_CONLYFLAGS_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_CLANG_CONLYFLAGS_$(my_32_64_bit_suffix)) my_cppflags += $(LOCAL_CLANG_CPPFLAGS_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_CLANG_CPPFLAGS_$(my_32_64_bit_suffix)) my_ldflags += $(LOCAL_CLANG_LDFLAGS_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_CLANG_LDFLAGS_$(my_32_64_bit_suffix)) my_asflags += $(LOCAL_CLANG_ASFLAGS_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_CLANG_ASFLAGS_$(my_32_64_bit_suffix)) my_cflags := $(call $(LOCAL_2ND_ARCH_VAR_PREFIX)convert-to-$(my_host)clang-flags,$(my_cflags)) my_cppflags := $(call $(LOCAL_2ND_ARCH_VAR_PREFIX)convert-to-$(my_host)clang-flags,$(my_cppflags)) my_asflags := $(call $(LOCAL_2ND_ARCH_VAR_PREFIX)convert-to-$(my_host)clang-flags,$(my_asflags)) my_ldflags := $(call $(LOCAL_2ND_ARCH_VAR_PREFIX)convert-to-$(my_host)clang-flags,$(my_ldflags)) endif ifeq ($(my_fdo_build), true) my_cflags := $(patsubst -Os,-O2,$(my_cflags)) fdo_incompatible_flags := -fno-early-inlining -finline-limit=% my_cflags := $(filter-out $(fdo_incompatible_flags),$(my_cflags)) endif # No one should ever use this flag. On GCC it's mere presence will disable all # warnings, even those that are specified after it (contrary to typical warning # flag behavior). This circumvents CFLAGS_NO_OVERRIDE from forcibly enabling the # warnings that are *always* bugs. my_illegal_flags := -w my_cflags := $(filter-out $(my_illegal_flags),$(my_cflags)) my_cppflags := $(filter-out $(my_illegal_flags),$(my_cppflags)) my_conlyflags := $(filter-out $(my_illegal_flags),$(my_conlyflags)) $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_YACCFLAGS := $(LOCAL_YACCFLAGS) $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ASFLAGS := $(my_asflags) $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CONLYFLAGS := $(my_conlyflags) $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CFLAGS := $(my_cflags) $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CPPFLAGS := $(my_cppflags) $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CFLAGS_NO_OVERRIDE := $(my_cflags_no_override) $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CPPFLAGS_NO_OVERRIDE := $(my_cppflags_no_override) $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_RTTI_FLAG := $(LOCAL_RTTI_FLAG) $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_DEBUG_CFLAGS := $(debug_cflags) $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_C_INCLUDES := $(my_c_includes) $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_IMPORT_INCLUDES := $(import_includes) $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_LDFLAGS := $(my_ldflags) $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_LDLIBS := $(my_ldlibs) # this is really the way to get the files onto the command line instead # of using $^, because then LOCAL_ADDITIONAL_DEPENDENCIES doesn't work $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ALL_SHARED_LIBRARIES := $(built_shared_libraries) $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ALL_STATIC_LIBRARIES := $(built_static_libraries) $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ALL_WHOLE_STATIC_LIBRARIES := $(built_whole_libraries) $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ALL_OBJECTS := $(all_objects) ########################################################### # Define library dependencies. ########################################################### # all_libraries is used for the dependencies on LOCAL_BUILT_MODULE. all_libraries := \ $(built_shared_library_deps) \ $(my_system_shared_libraries_fullpath) \ $(built_static_libraries) \ $(built_whole_libraries) # Also depend on the notice files for any static libraries that # are linked into this module. This will force them to be installed # when this module is. $(LOCAL_INSTALLED_MODULE): | $(installed_static_library_notice_file_targets) ########################################################### # Export includes ########################################################### export_includes := $(intermediates)/export_includes $(export_includes): PRIVATE_EXPORT_C_INCLUDE_DIRS := $(my_export_c_include_dirs) # Make sure .pb.h are already generated before any dependent source files get compiled. # Similarly, the generated DBus headers need to exist before we export their location. # People are not going to consume the aidl generated cpp file, but the cpp file is # generated after the headers, so this is a convenient way to ensure the headers exist. $(export_includes) : $(LOCAL_MODULE_MAKEFILE_DEP) $(proto_generated_headers) $(dbus_generated_headers) $(aidl_gen_cpp) @echo Export includes file: $< -- $@ $(hide) mkdir -p $(dir $@) && rm -f $@.tmp ifdef my_export_c_include_dirs $(hide) for d in $(PRIVATE_EXPORT_C_INCLUDE_DIRS); do \ echo "-I $$d" >> $@.tmp; \ done else $(hide) touch $@.tmp endif ifeq ($(BUILDING_WITH_NINJA),true) $(hide) if cmp -s $@.tmp $@ ; then \ rm $@.tmp ; \ else \ mv $@.tmp $@ ; \ fi else mv $@.tmp $@ ; endif # Kati adds restat=1 to ninja. GNU make does nothing for this. .KATI_RESTAT: $(export_includes) # Make sure export_includes gets generated when you are running mm/mmm $(LOCAL_BUILT_MODULE) : | $(export_includes)