--- /dev/null
+nanopb: proto
+ make -C libs/nanopb/generator/proto
+ python libs/nanopb/generator/nanopb_generator.py gen/cpp/openxc.pb -f openxc.options
+
+proto: openxc.proto
+ @mkdir -p gen/java
+ @mkdir -p gen/python
+ @mkdir -p gen/cpp
+ protoc -I . -I gen -ogen/cpp/openxc.pb --python_out=gen/python --java_out=gen/java $?
+
+all: nanopb proto