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-rw-r--r--core/binary.mk53
-rw-r--r--core/clear_vars.mk2
-rw-r--r--core/definitions.mk11
3 files changed, 63 insertions, 3 deletions
diff --git a/core/binary.mk b/core/binary.mk
index 1e313ff..487faca 100644
--- a/core/binary.mk
+++ b/core/binary.mk
@@ -467,9 +467,16 @@ my_generated_sources := $(patsubst $(generated_sources_dir)/%,$(intermediates)/%
ALL_GENERATED_SOURCES += $(my_generated_sources)
###########################################################
+# PROTOC transforms
+###########################################################
+
+proto_sources := $(filter %.proto,$(LOCAL_SRC_FILES))
+
+ifneq ($(LOCAL_PROTOC_OPTIMIZE_TYPE),nanopb-c)
+
+###########################################################
## Compile the .proto files to .cc and then to .o
###########################################################
-proto_sources := $(filter %.proto,$(my_src_files))
proto_generated_objects :=
proto_generated_headers :=
ifneq ($(proto_sources),)
@@ -484,6 +491,7 @@ proto_generated_objects := $(addprefix $(proto_generated_obj_dir)/, \
# Auto-export the generated proto source dir.
LOCAL_EXPORT_C_INCLUDE_DIRS += $(proto_generated_cc_sources_dir)
+$(warning wink protobuf LECID=$(LOCAL_EXPORT_C_INCLUDE_DIRS))
# Ensure the transform-proto-to-cc rule is only defined once in multilib build.
ifndef $(my_prefix)_$(LOCAL_MODULE_CLASS)_$(LOCAL_MODULE)_proto_defined
@@ -516,6 +524,46 @@ endif
endif # $(proto_sources) non-empty
+else
+
+###########################################################
+## Compile the .proto files to nanopb-c and then to .o
+###########################################################
+nanopb_c_generated_objects :=
+nanopb_c_generated_headers :=
+ifneq ($(proto_sources),)
+nanopb_c_sources_fullpath := $(addprefix $(LOCAL_PATH)/, $(proto_sources))
+nanopb_c_generated_sources_dir := $(intermediates)/proto
+nanopb_c_generated_sources := $(addprefix $(nanopb_c_generated_sources_dir)/, \
+ $(patsubst %.proto,%.pb.c,$(nanopb_c_sources_fullpath)))
+nanopb_c_generated_objects := $(patsubst %.c,%.o, $(nanopb_c_generated_sources))
+
+# Auto-export the generated proto source dir.
+LOCAL_EXPORT_C_INCLUDE_DIRS += $(nanopb_c_generated_sources_dir)
+$(warning wink nanopb LECID=$(LOCAL_EXPORT_C_INCLUDE_DIRS))
+
+$(nanopb_c_generated_sources): PRIVATE_NANOPB_C_INCLUDES := $(TOP)
+$(nanopb_c_generated_sources): PRIVATE_NANOPB_C_OUTPUT_DIR := $(nanopb_c_generated_sources_dir)
+$(nanopb_c_generated_sources): PRIVATE_NANOPB_C_FLAGS := $(LOCAL_PROTOC_FLAGS)
+
+$(nanopb_c_generated_sources): $(nanopb_c_generated_sources_dir)/%.pb.c: %.proto $(PROTOC)
+ $(transform-nanopb_c-to-c)
+
+nanopb_c_generated_headers := $(patsubst %.pb.c,%.pb.h, $(nanopb_c_generated_sources))
+$(nanopb_c_generated_headers): $(nanopb_c_generated_sources_dir)/%.pb.h: $(nanopb_c_generated_sources_dir)/%.pb.c
+
+$(nanopb_c_generated_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
+$(nanopb_c_generated_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
+$(nanopb_c_generated_objects): $(nanopb_c_generated_sources_dir)/%.pb.o: $(nanopb_c_generated_sources_dir)/%.pb.c $(nanopb_c_generated_headers)
+ $(transform-$(PRIVATE_HOST)cpp-to-o)
+-include $(nanopb_c_generated_objects:%.o=%.P)
+
+LOCAL_C_INCLUDES += external/nanopb-c $(dir $(nanopb_c_generated_headers))
+LOCAL_STATIC_LIBRARIES += libnanopb-c-2.8.0
+endif
+
+endif
+
###########################################################
## YACC: Compile .y and .yy files to .cpp and the to .o.
###########################################################
@@ -813,6 +861,7 @@ normal_objects := \
$(objc_objects) \
$(yacc_objects) \
$(lex_objects) \
+ $(nanopb_c_generated_objects) \
$(proto_generated_objects) \
$(addprefix $(TOPDIR)$(LOCAL_PATH)/,$(LOCAL_PREBUILT_OBJ_FILES))
@@ -981,7 +1030,7 @@ $(LOCAL_INSTALLED_MODULE): | $(installed_static_library_notice_file_targets)
export_includes := $(intermediates)/export_includes
$(export_includes): PRIVATE_EXPORT_C_INCLUDE_DIRS := $(LOCAL_EXPORT_C_INCLUDE_DIRS)
# Make sure .pb.h are already generated before any dependent source files get compiled.
-$(export_includes) : $(LOCAL_MODULE_MAKEFILE) $(proto_generated_headers)
+$(export_includes) : $(LOCAL_MODULE_MAKEFILE) $(proto_generated_headers) $(nanopb_c_generated_headers)
@echo Export includes file: $< -- $@
$(hide) mkdir -p $(dir $@) && rm -f $@
ifdef LOCAL_EXPORT_C_INCLUDE_DIRS
diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index bf81ebf..81c54eb 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -125,7 +125,7 @@ LOCAL_RENDERSCRIPT_TARGET_API:=
LOCAL_DEX_PREOPT:= # '',true,false,nostripping
LOCAL_DEX_PREOPT_IMAGE_LOCATION:=
LOCAL_DEX_PREOPT_FLAGS:=
-LOCAL_PROTOC_OPTIMIZE_TYPE:= # lite(default),micro,nano,full
+LOCAL_PROTOC_OPTIMIZE_TYPE:= # lite(default),micro,nano,full,nanopb-c
LOCAL_PROTOC_FLAGS:=
LOCAL_PROTO_JAVA_OUTPUT_PARAMS:=
LOCAL_NO_CRT:=
diff --git a/core/definitions.mk b/core/definitions.mk
index 57fc434..b95ce4c 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -964,6 +964,17 @@ $(hide) $(PROTOC) \
--cpp_out=$(PRIVATE_PROTO_CC_OUTPUT_DIR) $<
endef
+######################################################################
+## Commands for running protoc to compile .proto into nano protobuf .pb.c and .pb.h
+######################################################################
+define transform-nanopb_c-to-c
+@mkdir -p $(dir $@)
+@echo "Protoc: $@ <= $<"
+$(hide) $(PROTOC) \
+ $(addprefix --proto_path=, $(PRIVATE_NANOPB_C_INCLUDES)) \
+ $(PRIVATE_NANOPB_C_FLAGS) \
+ --nanopb_out=$(PRIVATE_NANOPB_C_OUTPUT_DIR) --plugin=external/nanopb-c/generator/protoc-gen-nanopb $<
+endef
###########################################################
## Commands for running gcc to compile a C++ file