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-rw-r--r--libs/nanopb/extra/nanopb.mk37
1 files changed, 37 insertions, 0 deletions
diff --git a/libs/nanopb/extra/nanopb.mk b/libs/nanopb/extra/nanopb.mk
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+++ b/libs/nanopb/extra/nanopb.mk
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+# 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=. $<
+