core/binary.mk - platform/build - Gitiles

 ###########################################################
 ## Standard rules for building binary object files from
 ## asm/c/cpp/yacc/lex source files.
 ##
 ## The list of object files is exported in $(all_objects).
 ###########################################################

 #######################################
 include $(BUILD_SYSTEM)/base_rules.mk
 #######################################

 ###########################################################
 ## Define PRIVATE_ variables used by multiple module types
 ###########################################################
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_NO_DEFAULT_COMPILER_FLAGS := \
 	$(strip $(LOCAL_NO_DEFAULT_COMPILER_FLAGS))

 ifeq ($(strip $(LOCAL_CC)),)
   LOCAL_CC := $($(my_prefix)CC)
 endif
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CC := $(LOCAL_CC)

 ifeq ($(strip $(LOCAL_CXX)),)
   LOCAL_CXX := $($(my_prefix)CXX)
 endif
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CXX := $(LOCAL_CXX)

 # 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
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CPP_EXTENSION := $(LOCAL_CPP_EXTENSION)

 # Certain modules like libdl have to have symbols resolved at runtime and blow
 # up if --no-undefined is passed to the linker.
 ifeq ($(strip $(LOCAL_NO_DEFAULT_COMPILER_FLAGS)),)
 ifeq ($(strip $(LOCAL_ALLOW_UNDEFINED_SYMBOLS)),)
   LOCAL_LDFLAGS := $(LOCAL_LDFLAGS) $($(my_prefix)NO_UNDEFINED_LDFLAGS)
 endif
 endif

 ###########################################################
 ## Define arm-vs-thumb-mode flags.
 ###########################################################
 LOCAL_ARM_MODE := $(strip $(LOCAL_ARM_MODE))
 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 := $($(my_prefix)$(arm_objects_mode)_CFLAGS)
 normal_objects_cflags := $($(my_prefix)$(normal_objects_mode)_CFLAGS)

 ###########################################################
 ## 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

 ###########################################################
 ## Stuff source generated from one-off tools
 ###########################################################
 $(LOCAL_GENERATED_SOURCES): PRIVATE_MODULE := $(LOCAL_MODULE)

 ALL_GENERATED_SOURCES += $(LOCAL_GENERATED_SOURCES)


 ###########################################################
 ## YACC: Compile .y files to .cpp and the to .o.
 ###########################################################

 yacc_sources := $(filter %.y,$(LOCAL_SRC_FILES))
 yacc_cpps := $(addprefix \
 	$(intermediates)/,$(yacc_sources:.y=$(LOCAL_CPP_EXTENSION)))
 yacc_headers := $(yacc_cpps:$(LOCAL_CPP_EXTENSION)=.h)
 yacc_objects := $(yacc_cpps:$(LOCAL_CPP_EXTENSION)=.o)

 ifneq ($(strip $(yacc_cpps)),)
 $(yacc_cpps): $(intermediates)/%$(LOCAL_CPP_EXTENSION): \
 		$(TOPDIR)$(LOCAL_PATH)/%.y \
 		$(lex_cpps) $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	$(call transform-y-to-cpp,$(PRIVATE_CPP_EXTENSION))
 $(yacc_headers): $(intermediates)/%.h: $(intermediates)/%$(LOCAL_CPP_EXTENSION)

 $(yacc_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
 $(yacc_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
 $(yacc_objects): $(intermediates)/%.o: $(intermediates)/%$(LOCAL_CPP_EXTENSION)
 	$(transform-$(PRIVATE_HOST)cpp-to-o)
 endif

 ###########################################################
 ## LEX: Compile .l files to .cpp and then to .o.
 ###########################################################

 lex_sources := $(filter %.l,$(LOCAL_SRC_FILES))
 lex_cpps := $(addprefix \
 	$(intermediates)/,$(lex_sources:.l=$(LOCAL_CPP_EXTENSION)))
 lex_objects := $(lex_cpps:$(LOCAL_CPP_EXTENSION)=.o)

 ifneq ($(strip $(lex_cpps)),)
 $(lex_cpps): $(intermediates)/%$(LOCAL_CPP_EXTENSION): \
 		$(TOPDIR)$(LOCAL_PATH)/%.l
 	$(transform-l-to-cpp)

 $(lex_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
 $(lex_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
 $(lex_objects): $(intermediates)/%.o: \
 		$(intermediates)/%$(LOCAL_CPP_EXTENSION) \
 		$(LOCAL_ADDITIONAL_DEPENDENCIES) \
 		$(yacc_headers)
 	$(transform-$(PRIVATE_HOST)cpp-to-o)
 endif

 ###########################################################
 ## C++: Compile .cpp files to .o.
 ###########################################################

 # we also do this on host modules and sim builds, 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 %$(LOCAL_CPP_EXTENSION).arm,$(LOCAL_SRC_FILES)))
 cpp_arm_objects    := $(addprefix $(intermediates)/,$(cpp_arm_sources:$(LOCAL_CPP_EXTENSION)=.o))

 cpp_normal_sources := $(filter %$(LOCAL_CPP_EXTENSION),$(LOCAL_SRC_FILES))
 cpp_normal_objects := $(addprefix $(intermediates)/,$(cpp_normal_sources:$(LOCAL_CPP_EXTENSION)=.o))

 $(cpp_arm_objects):    PRIVATE_ARM_MODE := $(arm_objects_mode)
 $(cpp_arm_objects):    PRIVATE_ARM_CFLAGS := $(arm_objects_cflags)
 $(cpp_normal_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
 $(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) $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	$(transform-$(PRIVATE_HOST)cpp-to-o)
 -include $(cpp_objects:%.o=%.P)
 endif

 ###########################################################
 ## C++: Compile generated .cpp files to .o.
 ###########################################################

 gen_cpp_sources := $(filter %$(LOCAL_CPP_EXTENSION),$(LOCAL_GENERATED_SOURCES))
 gen_cpp_objects := $(gen_cpp_sources:%$(LOCAL_CPP_EXTENSION)=%.o)

 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) $(LOCAL_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 := $(filter %.S,$(LOCAL_GENERATED_SOURCES))
 gen_S_objects := $(gen_S_sources:%.S=%.o)

 ifneq ($(strip $(gen_S_sources)),)
 $(gen_S_objects): $(intermediates)/%.o: $(intermediates)/%.S $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	$(transform-$(PRIVATE_HOST)s-to-o)
 -include $(gen_S_objects:%.o=%.P)
 endif

 gen_s_sources := $(filter %.s,$(LOCAL_GENERATED_SOURCES))
 gen_s_objects := $(gen_s_sources:%.s=%.o)

 ifneq ($(strip $(gen_s_objects)),)
 $(gen_s_objects): $(intermediates)/%.o: $(intermediates)/%.s $(LOCAL_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)

 ###########################################################
 ## C: Compile .c files to .o.
 ###########################################################

 c_arm_sources    := $(patsubst %.c.arm,%.c,$(filter %.c.arm,$(LOCAL_SRC_FILES)))
 c_arm_objects    := $(addprefix $(intermediates)/,$(c_arm_sources:.c=.o))

 c_normal_sources := $(filter %.c,$(LOCAL_SRC_FILES))
 c_normal_objects := $(addprefix $(intermediates)/,$(c_normal_sources:.c=.o))

 $(c_arm_objects):    PRIVATE_ARM_MODE := $(arm_objects_mode)
 $(c_arm_objects):    PRIVATE_ARM_CFLAGS := $(arm_objects_cflags)
 $(c_normal_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
 $(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) $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	$(transform-$(PRIVATE_HOST)c-to-o)
 -include $(c_objects:%.o=%.P)
 endif

 ###########################################################
 ## C: Compile generated .c files to .o.
 ###########################################################

 gen_c_sources := $(filter %.c,$(LOCAL_GENERATED_SOURCES))
 gen_c_objects := $(gen_c_sources:%.c=%.o)

 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) $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	$(transform-$(PRIVATE_HOST)c-to-o)
 -include $(gen_c_objects:%.o=%.P)
 endif

 ###########################################################
 ## ObjC: Compile .m files to .o
 ###########################################################

 objc_sources := $(filter %.m,$(LOCAL_SRC_FILES))
 objc_objects := $(addprefix $(intermediates)/,$(objc_sources:.m=.o))

 ifneq ($(strip $(objc_objects)),)
 $(objc_objects): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.m $(yacc_cpps) $(PRIVATE_ADDITIONAL_DEPENDENCIES)
 	$(transform-$(PRIVATE_HOST)m-to-o)
 -include $(objc_objects:%.o=%.P)
 endif

 ###########################################################
 ## AS: Compile .S files to .o.
 ###########################################################

 asm_sources_S := $(filter %.S,$(LOCAL_SRC_FILES))
 asm_objects_S := $(addprefix $(intermediates)/,$(asm_sources_S:.S=.o))

 ifneq ($(strip $(asm_objects_S)),)
 $(asm_objects_S): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.S $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	$(transform-$(PRIVATE_HOST)s-to-o)
 -include $(asm_objects_S:%.o=%.P)
 endif

 asm_sources_s := $(filter %.s,$(LOCAL_SRC_FILES))
 asm_objects_s := $(addprefix $(intermediates)/,$(asm_sources_s:.s=.o))

 ifneq ($(strip $(asm_objects_s)),)
 $(asm_objects_s): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.s $(LOCAL_ADDITIONAL_DEPENDENCIES)
 	$(transform-$(PRIVATE_HOST)s-to-o-no-deps)
 -include $(asm_objects_s:%.o=%.P)
 endif

 asm_objects := $(asm_objects_S) $(asm_objects_s)


 ###########################################################
 ## Common object handling.
 ###########################################################

 # some rules depend on asm_objects being first.  If your code depends on
 # being first, it's reasonable to require it to be assembly
 all_objects := \
 	$(asm_objects) \
 	$(cpp_objects) \
 	$(gen_cpp_objects) \
 	$(gen_asm_objects) \
 	$(c_objects) \
 	$(gen_c_objects) \
 	$(yacc_objects) \
 	$(lex_objects) \
 	$(addprefix $(TOPDIR)$(LOCAL_PATH)/,$(LOCAL_PREBUILT_OBJ_FILES))

 LOCAL_C_INCLUDES += $(TOPDIR)$(LOCAL_PATH) $(intermediates) $(base_intermediates)

 $(all_objects) : | $(LOCAL_GENERATED_SOURCES)
 ALL_C_CPP_ETC_OBJECTS += $(all_objects)

 ###########################################################
 ## Copy headers to the install tree
 ###########################################################
 include $(BUILD_COPY_HEADERS)

 ###########################################################
 # Standard library handling.
 #
 # 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.
 ###########################################################
 ifndef LOCAL_IS_HOST_MODULE
   ifeq ($(LOCAL_SYSTEM_SHARED_LIBRARIES),none)
     LOCAL_SHARED_LIBRARIES += $($(my_prefix)DEFAULT_SYSTEM_SHARED_LIBRARIES)
   else
     LOCAL_SHARED_LIBRARIES += $(LOCAL_SYSTEM_SHARED_LIBRARIES)
   endif
 endif

 # Logging used to be part of libcutils (target) and libutils (sim);
 # hack modules that use those other libs to also include liblog.
 # All of this complexity is to make sure that liblog only appears
 # once, and appears just before libcutils or libutils on the link
 # line.
 # TODO: remove this hack and change all modules to use liblog
 # when necessary.
 define insert-liblog
   $(if $(filter liblog,$(1)),$(1), \
     $(if $(filter libcutils,$(1)), \
       $(patsubst libcutils,liblog libcutils,$(1)) \
      , \
       $(patsubst libutils,liblog libutils,$(1)) \
      ) \
    )
 endef
 ifneq (,$(filter libcutils libutils,$(LOCAL_SHARED_LIBRARIES)))
   LOCAL_SHARED_LIBRARIES := $(call insert-liblog,$(LOCAL_SHARED_LIBRARIES))
 endif
 ifneq (,$(filter libcutils libutils,$(LOCAL_STATIC_LIBRARIES)))
   LOCAL_STATIC_LIBRARIES := $(call insert-liblog,$(LOCAL_STATIC_LIBRARIES))
 endif
 ifneq (,$(filter libcutils libutils,$(LOCAL_WHOLE_STATIC_LIBRARIES)))
   LOCAL_WHOLE_STATIC_LIBRARIES := $(call insert-liblog,$(LOCAL_WHOLE_STATIC_LIBRARIES))
 endif

 ###########################################################
 # 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)

 built_shared_libraries := \
     $(addprefix $($(my_prefix)OUT_INTERMEDIATE_LIBRARIES)/, \
       $(addsuffix $(so_suffix), \
         $(LOCAL_SHARED_LIBRARIES)))

 built_static_libraries := \
     $(foreach lib,$(LOCAL_STATIC_LIBRARIES), \
       $(call intermediates-dir-for, \
         STATIC_LIBRARIES,$(lib),$(LOCAL_IS_HOST_MODULE))/$(lib)$(a_suffix))

 built_whole_libraries := \
     $(foreach lib,$(LOCAL_WHOLE_STATIC_LIBRARIES), \
       $(call intermediates-dir-for, \
         STATIC_LIBRARIES,$(lib),$(LOCAL_IS_HOST_MODULE))/$(lib)$(a_suffix))

 # Get the list of INSTALLED libraries.  Strip off the various
 # intermediates directories and point to the common lib dirs.
 installed_shared_libraries := \
     $(addprefix $($(my_prefix)OUT_SHARED_LIBRARIES)/, \
       $(notdir $(built_shared_libraries)))

 # 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.make)

 installed_static_library_notice_file_targets := \
     $(foreach lib,$(LOCAL_STATIC_LIBRARIES) $(LOCAL_WHOLE_STATIC_LIBRARIES), \
       NOTICE-$(if $(LOCAL_IS_HOST_MODULE),HOST,TARGET)-STATIC_LIBRARIES-$(lib))

 ###########################################################
 # Rule-specific variable definitions
 ###########################################################
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_YACCFLAGS := $(LOCAL_YACCFLAGS)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ASFLAGS := $(LOCAL_ASFLAGS)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CFLAGS := $(LOCAL_CFLAGS)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CPPFLAGS := $(LOCAL_CPPFLAGS)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_DEBUG_CFLAGS := $(debug_cflags)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_C_INCLUDES := $(LOCAL_C_INCLUDES)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_LDFLAGS := $(LOCAL_LDFLAGS)
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_LDLIBS := $(LOCAL_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_libraries) \
     $(built_static_libraries) \
     $(built_whole_libraries)

 # Make LOCAL_INSTALLED_MODULE depend on the installed versions of the
 # libraries so they get installed along with it.  We don't need to
 # rebuild it when installing it, though, so this can be an order-only
 # dependency.
 $(LOCAL_INSTALLED_MODULE): | $(installed_shared_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)
	###########################################################
	## Standard rules for building binary object files from
	## asm/c/cpp/yacc/lex source files.
	##
	## The list of object files is exported in $(all_objects).
	###########################################################

	#######################################
	include $(BUILD_SYSTEM)/base_rules.mk
	#######################################

	###########################################################
	## Define PRIVATE_ variables used by multiple module types
	###########################################################
	$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_NO_DEFAULT_COMPILER_FLAGS := \
	$(strip $(LOCAL_NO_DEFAULT_COMPILER_FLAGS))

	ifeq ($(strip $(LOCAL_CC)),)
	LOCAL_CC := $($(my_prefix)CC)
	endif
	$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CC := $(LOCAL_CC)

	ifeq ($(strip $(LOCAL_CXX)),)
	LOCAL_CXX := $($(my_prefix)CXX)
	endif
	$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CXX := $(LOCAL_CXX)

	# 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
	$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CPP_EXTENSION := $(LOCAL_CPP_EXTENSION)

	# Certain modules like libdl have to have symbols resolved at runtime and blow
	# up if --no-undefined is passed to the linker.
	ifeq ($(strip $(LOCAL_NO_DEFAULT_COMPILER_FLAGS)),)
	ifeq ($(strip $(LOCAL_ALLOW_UNDEFINED_SYMBOLS)),)
	LOCAL_LDFLAGS := $(LOCAL_LDFLAGS) $($(my_prefix)NO_UNDEFINED_LDFLAGS)
	endif
	endif

	###########################################################
	## Define arm-vs-thumb-mode flags.
	###########################################################
	LOCAL_ARM_MODE := $(strip $(LOCAL_ARM_MODE))
	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 := $($(my_prefix)$(arm_objects_mode)_CFLAGS)
	normal_objects_cflags := $($(my_prefix)$(normal_objects_mode)_CFLAGS)

	###########################################################
	## 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

	###########################################################
	## Stuff source generated from one-off tools
	###########################################################
	$(LOCAL_GENERATED_SOURCES): PRIVATE_MODULE := $(LOCAL_MODULE)

	ALL_GENERATED_SOURCES += $(LOCAL_GENERATED_SOURCES)


	###########################################################
	## YACC: Compile .y files to .cpp and the to .o.
	###########################################################

	yacc_sources := $(filter %.y,$(LOCAL_SRC_FILES))
	yacc_cpps := $(addprefix \
	$(intermediates)/,$(yacc_sources:.y=$(LOCAL_CPP_EXTENSION)))
	yacc_headers := $(yacc_cpps:$(LOCAL_CPP_EXTENSION)=.h)
	yacc_objects := $(yacc_cpps:$(LOCAL_CPP_EXTENSION)=.o)

	ifneq ($(strip $(yacc_cpps)),)
	$(yacc_cpps): $(intermediates)/%$(LOCAL_CPP_EXTENSION): \
	$(TOPDIR)$(LOCAL_PATH)/%.y \
	$(lex_cpps) $(LOCAL_ADDITIONAL_DEPENDENCIES)
	$(call transform-y-to-cpp,$(PRIVATE_CPP_EXTENSION))
	$(yacc_headers): $(intermediates)/%.h: $(intermediates)/%$(LOCAL_CPP_EXTENSION)

	$(yacc_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
	$(yacc_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
	$(yacc_objects): $(intermediates)/%.o: $(intermediates)/%$(LOCAL_CPP_EXTENSION)
	$(transform-$(PRIVATE_HOST)cpp-to-o)
	endif

	###########################################################
	## LEX: Compile .l files to .cpp and then to .o.
	###########################################################

	lex_sources := $(filter %.l,$(LOCAL_SRC_FILES))
	lex_cpps := $(addprefix \
	$(intermediates)/,$(lex_sources:.l=$(LOCAL_CPP_EXTENSION)))
	lex_objects := $(lex_cpps:$(LOCAL_CPP_EXTENSION)=.o)

	ifneq ($(strip $(lex_cpps)),)
	$(lex_cpps): $(intermediates)/%$(LOCAL_CPP_EXTENSION): \
	$(TOPDIR)$(LOCAL_PATH)/%.l
	$(transform-l-to-cpp)

	$(lex_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
	$(lex_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
	$(lex_objects): $(intermediates)/%.o: \
	$(intermediates)/%$(LOCAL_CPP_EXTENSION) \
	$(LOCAL_ADDITIONAL_DEPENDENCIES) \
	$(yacc_headers)
	$(transform-$(PRIVATE_HOST)cpp-to-o)
	endif

	###########################################################
	## C++: Compile .cpp files to .o.
	###########################################################

	# we also do this on host modules and sim builds, 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 %$(LOCAL_CPP_EXTENSION).arm,$(LOCAL_SRC_FILES)))
	cpp_arm_objects := $(addprefix $(intermediates)/,$(cpp_arm_sources:$(LOCAL_CPP_EXTENSION)=.o))

	cpp_normal_sources := $(filter %$(LOCAL_CPP_EXTENSION),$(LOCAL_SRC_FILES))
	cpp_normal_objects := $(addprefix $(intermediates)/,$(cpp_normal_sources:$(LOCAL_CPP_EXTENSION)=.o))

	$(cpp_arm_objects): PRIVATE_ARM_MODE := $(arm_objects_mode)
	$(cpp_arm_objects): PRIVATE_ARM_CFLAGS := $(arm_objects_cflags)
	$(cpp_normal_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
	$(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) $(LOCAL_ADDITIONAL_DEPENDENCIES)
	$(transform-$(PRIVATE_HOST)cpp-to-o)
	-include $(cpp_objects:%.o=%.P)
	endif

	###########################################################
	## C++: Compile generated .cpp files to .o.
	###########################################################

	gen_cpp_sources := $(filter %$(LOCAL_CPP_EXTENSION),$(LOCAL_GENERATED_SOURCES))
	gen_cpp_objects := $(gen_cpp_sources:%$(LOCAL_CPP_EXTENSION)=%.o)

	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) $(LOCAL_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 := $(filter %.S,$(LOCAL_GENERATED_SOURCES))
	gen_S_objects := $(gen_S_sources:%.S=%.o)

	ifneq ($(strip $(gen_S_sources)),)
	$(gen_S_objects): $(intermediates)/%.o: $(intermediates)/%.S $(LOCAL_ADDITIONAL_DEPENDENCIES)
	$(transform-$(PRIVATE_HOST)s-to-o)
	-include $(gen_S_objects:%.o=%.P)
	endif

	gen_s_sources := $(filter %.s,$(LOCAL_GENERATED_SOURCES))
	gen_s_objects := $(gen_s_sources:%.s=%.o)

	ifneq ($(strip $(gen_s_objects)),)
	$(gen_s_objects): $(intermediates)/%.o: $(intermediates)/%.s $(LOCAL_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)

	###########################################################
	## C: Compile .c files to .o.
	###########################################################

	c_arm_sources := $(patsubst %.c.arm,%.c,$(filter %.c.arm,$(LOCAL_SRC_FILES)))
	c_arm_objects := $(addprefix $(intermediates)/,$(c_arm_sources:.c=.o))

	c_normal_sources := $(filter %.c,$(LOCAL_SRC_FILES))
	c_normal_objects := $(addprefix $(intermediates)/,$(c_normal_sources:.c=.o))

	$(c_arm_objects): PRIVATE_ARM_MODE := $(arm_objects_mode)
	$(c_arm_objects): PRIVATE_ARM_CFLAGS := $(arm_objects_cflags)
	$(c_normal_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
	$(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) $(LOCAL_ADDITIONAL_DEPENDENCIES)
	$(transform-$(PRIVATE_HOST)c-to-o)
	-include $(c_objects:%.o=%.P)
	endif

	###########################################################
	## C: Compile generated .c files to .o.
	###########################################################

	gen_c_sources := $(filter %.c,$(LOCAL_GENERATED_SOURCES))
	gen_c_objects := $(gen_c_sources:%.c=%.o)

	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) $(LOCAL_ADDITIONAL_DEPENDENCIES)
	$(transform-$(PRIVATE_HOST)c-to-o)
	-include $(gen_c_objects:%.o=%.P)
	endif

	###########################################################
	## ObjC: Compile .m files to .o
	###########################################################

	objc_sources := $(filter %.m,$(LOCAL_SRC_FILES))
	objc_objects := $(addprefix $(intermediates)/,$(objc_sources:.m=.o))

	ifneq ($(strip $(objc_objects)),)
	$(objc_objects): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.m $(yacc_cpps) $(PRIVATE_ADDITIONAL_DEPENDENCIES)
	$(transform-$(PRIVATE_HOST)m-to-o)
	-include $(objc_objects:%.o=%.P)
	endif

	###########################################################
	## AS: Compile .S files to .o.
	###########################################################

	asm_sources_S := $(filter %.S,$(LOCAL_SRC_FILES))
	asm_objects_S := $(addprefix $(intermediates)/,$(asm_sources_S:.S=.o))

	ifneq ($(strip $(asm_objects_S)),)
	$(asm_objects_S): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.S $(LOCAL_ADDITIONAL_DEPENDENCIES)
	$(transform-$(PRIVATE_HOST)s-to-o)
	-include $(asm_objects_S:%.o=%.P)
	endif

	asm_sources_s := $(filter %.s,$(LOCAL_SRC_FILES))
	asm_objects_s := $(addprefix $(intermediates)/,$(asm_sources_s:.s=.o))

	ifneq ($(strip $(asm_objects_s)),)
	$(asm_objects_s): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.s $(LOCAL_ADDITIONAL_DEPENDENCIES)
	$(transform-$(PRIVATE_HOST)s-to-o-no-deps)
	-include $(asm_objects_s:%.o=%.P)
	endif

	asm_objects := $(asm_objects_S) $(asm_objects_s)


	###########################################################
	## Common object handling.
	###########################################################

	# some rules depend on asm_objects being first. If your code depends on
	# being first, it's reasonable to require it to be assembly
	all_objects := \
	$(asm_objects) \
	$(cpp_objects) \
	$(gen_cpp_objects) \
	$(gen_asm_objects) \
	$(c_objects) \
	$(gen_c_objects) \
	$(yacc_objects) \
	$(lex_objects) \
	$(addprefix $(TOPDIR)$(LOCAL_PATH)/,$(LOCAL_PREBUILT_OBJ_FILES))

	LOCAL_C_INCLUDES += $(TOPDIR)$(LOCAL_PATH) $(intermediates) $(base_intermediates)

	$(all_objects) : \| $(LOCAL_GENERATED_SOURCES)
	ALL_C_CPP_ETC_OBJECTS += $(all_objects)

	###########################################################
	## Copy headers to the install tree
	###########################################################
	include $(BUILD_COPY_HEADERS)

	###########################################################
	# Standard library handling.
	#
	# 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.
	###########################################################
	ifndef LOCAL_IS_HOST_MODULE
	ifeq ($(LOCAL_SYSTEM_SHARED_LIBRARIES),none)
	LOCAL_SHARED_LIBRARIES += $($(my_prefix)DEFAULT_SYSTEM_SHARED_LIBRARIES)
	else
	LOCAL_SHARED_LIBRARIES += $(LOCAL_SYSTEM_SHARED_LIBRARIES)
	endif
	endif

	# Logging used to be part of libcutils (target) and libutils (sim);
	# hack modules that use those other libs to also include liblog.
	# All of this complexity is to make sure that liblog only appears
	# once, and appears just before libcutils or libutils on the link
	# line.
	# TODO: remove this hack and change all modules to use liblog
	# when necessary.
	define insert-liblog
	$(if $(filter liblog,$(1)),$(1), \
	$(if $(filter libcutils,$(1)), \
	$(patsubst libcutils,liblog libcutils,$(1)) \
	, \
	$(patsubst libutils,liblog libutils,$(1)) \
	) \
	)
	endef
	ifneq (,$(filter libcutils libutils,$(LOCAL_SHARED_LIBRARIES)))
	LOCAL_SHARED_LIBRARIES := $(call insert-liblog,$(LOCAL_SHARED_LIBRARIES))
	endif
	ifneq (,$(filter libcutils libutils,$(LOCAL_STATIC_LIBRARIES)))
	LOCAL_STATIC_LIBRARIES := $(call insert-liblog,$(LOCAL_STATIC_LIBRARIES))
	endif
	ifneq (,$(filter libcutils libutils,$(LOCAL_WHOLE_STATIC_LIBRARIES)))
	LOCAL_WHOLE_STATIC_LIBRARIES := $(call insert-liblog,$(LOCAL_WHOLE_STATIC_LIBRARIES))
	endif

	###########################################################
	# 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)

	built_shared_libraries := \
	$(addprefix $($(my_prefix)OUT_INTERMEDIATE_LIBRARIES)/, \
	$(addsuffix $(so_suffix), \
	$(LOCAL_SHARED_LIBRARIES)))

	built_static_libraries := \
	$(foreach lib,$(LOCAL_STATIC_LIBRARIES), \
	$(call intermediates-dir-for, \
	STATIC_LIBRARIES,$(lib),$(LOCAL_IS_HOST_MODULE))/$(lib)$(a_suffix))

	built_whole_libraries := \
	$(foreach lib,$(LOCAL_WHOLE_STATIC_LIBRARIES), \
	$(call intermediates-dir-for, \
	STATIC_LIBRARIES,$(lib),$(LOCAL_IS_HOST_MODULE))/$(lib)$(a_suffix))

	# Get the list of INSTALLED libraries. Strip off the various
	# intermediates directories and point to the common lib dirs.
	installed_shared_libraries := \
	$(addprefix $($(my_prefix)OUT_SHARED_LIBRARIES)/, \
	$(notdir $(built_shared_libraries)))

	# 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.make)

	installed_static_library_notice_file_targets := \
	$(foreach lib,$(LOCAL_STATIC_LIBRARIES) $(LOCAL_WHOLE_STATIC_LIBRARIES), \
	NOTICE-$(if $(LOCAL_IS_HOST_MODULE),HOST,TARGET)-STATIC_LIBRARIES-$(lib))

	###########################################################
	# Rule-specific variable definitions
	###########################################################
	$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_YACCFLAGS := $(LOCAL_YACCFLAGS)
	$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ASFLAGS := $(LOCAL_ASFLAGS)
	$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CFLAGS := $(LOCAL_CFLAGS)
	$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CPPFLAGS := $(LOCAL_CPPFLAGS)
	$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_DEBUG_CFLAGS := $(debug_cflags)
	$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_C_INCLUDES := $(LOCAL_C_INCLUDES)
	$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_LDFLAGS := $(LOCAL_LDFLAGS)
	$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_LDLIBS := $(LOCAL_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_libraries) \
	$(built_static_libraries) \
	$(built_whole_libraries)

	# Make LOCAL_INSTALLED_MODULE depend on the installed versions of the
	# libraries so they get installed along with it. We don't need to
	# rebuild it when installing it, though, so this can be an order-only
	# dependency.
	$(LOCAL_INSTALLED_MODULE): \| $(installed_shared_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)