| # Copyright 2021 The Pigweed Authors |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| # use this file except in compliance with the License. You may obtain a copy of |
| # the License at |
| # |
| # https://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| # License for the specific language governing permissions and limitations under |
| # the License. |
| |
| import("//build_overrides/pigweed.gni") |
| |
| import("$dir_pw_build/python.gni") |
| import("$dir_pw_build/target_types.gni") |
| import("$dir_pw_protobuf_compiler/proto.gni") |
| import("nanopb.gni") |
| |
| # This file defines a GN source_set for an external installation of nanopb. |
| # To use, checkout the nanopb source into a directory, then set the build arg |
| # dir_pw_third_party_nanopb to point to that directory. The nanopb library |
| # will be available in GN at "$dir_pw_third_party/nanopb". |
| if (dir_pw_third_party_nanopb != "") { |
| config("includes") { |
| include_dirs = [ dir_pw_third_party_nanopb ] |
| } |
| |
| pw_source_set("nanopb") { |
| public_configs = [ ":includes" ] |
| public = [ |
| "$dir_pw_third_party_nanopb/pb.h", |
| "$dir_pw_third_party_nanopb/pb_common.h", |
| "$dir_pw_third_party_nanopb/pb_decode.h", |
| "$dir_pw_third_party_nanopb/pb_encode.h", |
| ] |
| sources = [ |
| "$dir_pw_third_party_nanopb/pb_common.c", |
| "$dir_pw_third_party_nanopb/pb_decode.c", |
| "$dir_pw_third_party_nanopb/pb_encode.c", |
| ] |
| } |
| |
| pw_proto_library("proto") { |
| strip_prefix = "$dir_pw_third_party_nanopb/generator/proto" |
| sources = [ "$dir_pw_third_party_nanopb/generator/proto/nanopb.proto" ] |
| python_module_as_package = "nanopb_pb2" |
| } |
| |
| # Generates nanopb_pb2.py, which is needed to compile protobufs with Nanopb. |
| pw_python_script("generate_nanopb_proto") { |
| sources = [ "generate_nanopb_proto.py" ] |
| pylintrc = "$dir_pigweed/.pylintrc" |
| action = { |
| args = [ rebase_path(dir_pw_third_party_nanopb, root_build_dir) ] |
| stamp = true |
| } |
| } |
| } else { |
| group("nanopb") { |
| } |
| pw_python_group("generate_nanopb_proto") { |
| } |
| } |