| # This is an include file for Makefiles. It provides rules for building |
| # .pb.c and .pb.h files out of .proto, as well the path to nanopb core. |
| |
| # Path to the nanopb root directory |
| NANOPB_DIR := $(abspath $(dir $(lastword $(MAKEFILE_LIST)))../) |
| |
| # Files for the nanopb core |
| NANOPB_CORE = $(NANOPB_DIR)/pb_encode.c $(NANOPB_DIR)/pb_decode.c $(NANOPB_DIR)/pb_common.c |
| |
| # Check if we are running on Windows |
| ifdef windir |
| WINDOWS = 1 |
| endif |
| ifdef WINDIR |
| WINDOWS = 1 |
| endif |
| |
| # Check whether to use binary version of nanopb_generator or the |
| # system-supplied python interpreter. |
| ifneq "$(wildcard $(NANOPB_DIR)/generator-bin)" "" |
| # Binary package |
| PROTOC = $(NANOPB_DIR)/generator-bin/protoc |
| PROTOC_OPTS = |
| else |
| # Source only or git checkout |
| PROTOC = protoc |
| ifdef WINDOWS |
| PROTOC_OPTS = --plugin=protoc-gen-nanopb=$(NANOPB_DIR)/generator/protoc-gen-nanopb.bat |
| else |
| PROTOC_OPTS = --plugin=protoc-gen-nanopb=$(NANOPB_DIR)/generator/protoc-gen-nanopb |
| endif |
| endif |
| |
| # Rule for building .pb.c and .pb.h |
| %.pb.c %.pb.h: %.proto $(wildcard %.options) |
| $(PROTOC) $(PROTOC_OPTS) --nanopb_out=. $< |
| |
