1 # This is an include file for Makefiles. It provides rules for building 2 # .pb.c and .pb.h files out of .proto, as well the path to nanopb core. 3 4 # Path to the nanopb root directory 5 NANOPB_DIR := $(abspath $(dir $(lastword $(MAKEFILE_LIST)))../) 6 7 # Files for the nanopb core 8 NANOPB_CORE = $(NANOPB_DIR)/pb_encode.c $(NANOPB_DIR)/pb_decode.c 9 10 # Check if we are running on Windows 11 ifdef windir 12 WINDOWS = 1 13 endif 14 ifdef WINDIR 15 WINDOWS = 1 16 endif 17 18 # Check whether to use binary version of nanopb_generator or the 19 # system-supplied python interpreter. 20 ifneq "$(wildcard $(NANOPB_DIR)/generator-bin)" "" 21 # Binary package 22 PROTOC = $(NANOPB_DIR)/generator-bin/protoc 23 PROTOC_OPTS = 24 else 25 # Source only or git checkout 26 PROTOC = protoc 27 ifdef WINDOWS 28 PROTOC_OPTS = --plugin=protoc-gen-nanopb=$(NANOPB_DIR)/generator/protoc-gen-nanopb.bat 29 else 30 PROTOC_OPTS = --plugin=protoc-gen-nanopb=$(NANOPB_DIR)/generator/protoc-gen-nanopb 31 endif 32 endif 33 34 # Rule for building .pb.c and .pb.h 35 %.pb.c %.pb.h: %.proto $(wildcard %.options) 36 $(PROTOC) $(PROTOC_OPTS) --nanopb_out=. $< 37 38
