third_party/nanopb/nanopb.gni


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# Copyright 2020 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/module_config.gni")

declare_args() {
  # If compiling protos for nanopb, this variable is set to the path to the
  # nanopb installation. When set, a pw_source_set for the nanopb library is
  # created at "$dir_pw_third_party/nanopb".
  dir_pw_third_party_nanopb = ""

  # The build target that overrides the default configuration options for this
  # module. This should point to a source set that provides defines through a
  # public config (which may -include a file or add defines directly).
  pw_third_party_nanopb_CONFIG = pw_build_DEFAULT_MODULE_CONFIG

  # Regenerates `$dir_pw_third_party_nanopb/generator/proto/nanopb_pb2.py`
  # whenever the `generate_nanopb_proto` action is run. If this is set to false,
  # the file will only be regenerated if `protoc` is newer than the generated
  # `nanopb_pb2.py`.
  #
  # Aggressive regeneration is NOT safe if this build will run in parallel with
  # other build systems that try to read `nanopb_pb2.py`.
  pw_third_party_nanopb_AGGRESSIVE_NANOPB_PB2_REGEN = true
}