Merge "Invoke the aidl-cpp compiler to generate C++" am: ba39c5690a am: 487cc7beaf

am: 9c694a6242

* commit '9c694a6242a969e27fbd4f043fa7f43ef301b461':
  Invoke the aidl-cpp compiler to generate C++

core/binary.mk

@@ -697,6 +697,38 @@ 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),)
+
+aidl_gen_cpp_root := $(intermediates)/aidl-generated/src
+aidl_gen_include_root := $(intermediates)/aidl-generated/include
+
+aidl_gen_cpp := $(patsubst %.aidl,%$(LOCAL_CPP_EXTENSION),$(aidl_src))
+aidl_gen_cpp := $(addprefix $(aidl_gen_cpp_root)/,$(aidl_gen_cpp))
+
+# TODO(wiley): we could pass down a flag here to only generate the server or
+#              client side of the binder interface.
+$(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))
+
+# Multi-architecture builds have distinct intermediates directories.
+# Define rules for both architectures.
+$(aidl_gen_cpp) : $(aidl_gen_cpp_root)/%$(LOCAL_CPP_EXTENSION) : $(LOCAL_PATH)/%.aidl $(AIDL_CPP)
+	$(transform-aidl-to-cpp)
+-include $(addsuffix .P,$(basename $(aidl_gen_cpp)))
+
+# Add generated headers to include path.
+my_c_includes += $(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 and .yy files to .cpp and the to .o.
 ###########################################################

core/config.mk

@@ -435,6 +435,7 @@ YASM := prebuilts/misc/$(BUILD_OS)-$(HOST_PREBUILT_ARCH)/yasm/yasm
 DOXYGEN:= doxygen
 AAPT := $(HOST_OUT_EXECUTABLES)/aapt$(HOST_EXECUTABLE_SUFFIX)
 AIDL := $(HOST_OUT_EXECUTABLES)/aidl$(HOST_EXECUTABLE_SUFFIX)
+AIDL_CPP := $(HOST_OUT_EXECUTABLES)/aidl-cpp$(HOST_EXECUTABLE_SUFFIX)
 ifeq ($(HOST_OS),linux)
 BREAKPAD_DUMP_SYMS := $(HOST_OUT_EXECUTABLES)/dump_syms
 else

core/definitions.mk

@@ -973,6 +973,14 @@ $(hide) $(AIDL) -d$(patsubst %.java,%.P,$@) $(PRIVATE_AIDL_FLAGS) $< $@
 endef
 #$(AIDL) $(PRIVATE_AIDL_FLAGS) $< - | indent -nut -br -npcs -l1000 > $@
 
+define transform-aidl-to-cpp
+@mkdir -p $(dir $@)
+@mkdir -p $(PRIVATE_HEADER_OUTPUT_DIR)
+@echo "Generating C++ from AIDL: $(PRIVATE_MODULE) <= $<"
+$(hide) $(AIDL_CPP) -d$(basename $@).P $(PRIVATE_AIDL_FLAGS) \
+    $< $(PRIVATE_HEADER_OUTPUT_DIR) $@
+endef
+
 
 ###########################################################
 ## Commands for running java-event-log-tags.py