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Add build rules to generate native DBus interfaces

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With this patch, we can now write Android makefiles like:

include $(CLEAR_VARS)
LOCAL_MODULE := dbus-binding-example
LOCAL_SRC_FILES := main.cpp \
                   dbus-service-config.json \
                   org.example.Daemon.Command.dbus.xml \
                   org.example.Daemon.Manager.dbus.xml
include $(BUILD_EXECUTABLE)

This will cause header files defining native DBus interfaces
to be generated.  These can be included from main.cpp to
easily expose object oriented interface over DBus.

Bug: 22608897
Change-Id: Ic4304ac8de77de74d6955ed17789e5477be9a53e
This commit is contained in:
Christopher Wiley
2015-07-29 17:14:24 -07:00
parent bcd7ae6f30
commit bc2be461e4
3 changed files with 61 additions and 0 deletions
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45
core/binary.mk
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@@ -569,6 +569,51 @@ endif
endif # $(proto_sources) non-empty
###########################################################
## Compile the .dbus.xml files to c++ headers
###########################################################
dbus_if_sources := $(filter %.dbus.xml,$(my_src_files))
ifneq ($(dbus_if_sources),)
dbus_if_sources_full_path := $(addprefix $(LOCAL_PATH)/,$(dbus_if_sources))
dbus_service_config := $(filter %dbus-service-config.json,$(my_src_files))
dbus_service_config_full_path := $(addprefix $(LOCAL_PATH)/,$(dbus_service_config))
dbus_header_prefix := $(generated_sources_dir)/dbus-bindings/$(LOCAL_MODULE)
dbus_adaptors_header := $(dbus_header_prefix)/adaptors.h
dbus_proxies_header := $(dbus_header_prefix)/proxies.h
dbus_method_names_header := $(dbus_header_prefix)/method_names.h
dbus_generated_source_dependencies := \
$(dbus_if_sources_full_path) \
$(dbus_service_config_full_path) \
$(DBUS_GENERATOR)
# 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_adaptors_header) : PRIVATE_DBUS_MODULE := $(LOCAL_MODULE)
$(dbus_adaptors_header) : PRIVATE_DBUS_HEADER_DIRECTORY := $(dbus_header_prefix)
$(dbus_adaptors_header) : PRIVATE_DBUS_SERVICE_CONFIG := $(dbus_service_config_full_path)
$(dbus_adaptors_header) : PRIVATE_DBUS_ADAPTORS_HEADER := $(dbus_adaptors_header)
$(dbus_adaptors_header) : PRIVATE_DBUS_PROXIES_HEADER := $(dbus_proxies_header)
$(dbus_adaptors_header) : PRIVATE_DBUS_METHOD_NAMES_HEADER := $(dbus_method_names_header)
$(dbus_adaptors_header) : PRIVATE_DBUS_INTERFACE_DEFINITIONS := $(dbus_if_sources_full_path)
$(dbus_adaptors_header) : $(dbus_generated_source_dependencies)
$(generate-dbus-bindings)
# These are actually generated by the above recipe, but we'd like to make the
# dependency chain complete.
$(dbus_proxies_header) : $(dbus_adaptors_header)
$(dbus_method_names_header) : $(dbus_adaptors_header)
endif # $(my_prefix)_$(LOCAL_MODULE_CLASS)_$(LOCAL_MODULE)_dbus_bindings_defined
my_generated_sources += \
$(dbus_adaptors_header) \
$(dbus_proxies_header) \
$(dbus_method_names_header)
endif # $(dbus_if_sources) non-empty
###########################################################
## YACC: Compile .y and .yy files to .cpp and the to .o.
###########################################################