box-o-sand/oldstuff/protobuf/Makefile

PROTOC := $(PWD)/bin/protoc
PROTO_FILES := $(shell find src -name '*.proto')
TARGETS := $(patsubst src/%.proto,gen/cc/%.pb.cc,$(PROTO_FILES))
TARGETS += $(patsubst src/%.proto,gen/py/%_pb2.py,$(PROTO_FILES))
TARGETS += $(patsubst src/%.proto,gen/java/%.java,$(PROTO_FILES))


gen/cc/%.pb.cc:src/%.proto
	mkdir -p $(dir $@)
	$(PROTOC) -I=$(shell dirname $^) --cpp_out=$(shell dirname $@) $^


gen/py/%_pb2.py:src/%.proto
	mkdir -p $(dir $@)
	$(PROTOC) -I=$(shell dirname $^) --python_out=$(shell dirname $@) $^


gen/java/%.java:src/%.proto
	mkdir -p $(dir $@)
	$(PROTOC) -I=$(shell dirname $^) --java_out=$(shell dirname $(shell dirname $@)) $^
	find $(shell dirname $@) -iname $(notdir $@) -exec mv -v {} $@ \;


all: $(TARGETS)