third_party.pigweed.src/pw_protobuf_compiler/BUILD.gn
Wyatt Hepler d517afc161 pw_protobuf_compiler: Support standalone external protos
Projects may want to use externally defined proto files that are not
organized for Python packaging as required by pw_proto_library. This
change makes it possible to support standalone, externally defined
protobufs, such as nanopb.proto.

Change-Id: I4ae053a950c664878150d911cea9e9de031bb20d
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/31800
Reviewed-by: Alexei Frolov <frolv@google.com>
2021-02-04 22:37:28 +00:00

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# Copyright 2019 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_docgen/docs.gni")
import("$dir_pw_protobuf_compiler/proto.gni")
import("$dir_pw_third_party/nanopb/nanopb.gni")
import("$dir_pw_unit_test/test.gni")
pw_doc_group("docs") {
sources = [ "docs.rst" ]
}
pw_test_group("tests") {
tests = [ ":nanopb_test" ]
}
pw_test("nanopb_test") {
deps = [ ":nanopb_test_protos.nanopb" ]
sources = [ "nanopb_test.cc" ]
enable_if = dir_pw_third_party_nanopb != ""
}
pw_proto_library("nanopb_test_protos") {
sources = [ "pw_protobuf_compiler_nanopb_protos/nanopb_test.proto" ]
if (dir_pw_third_party_nanopb != "") {
deps = [ "$dir_pw_third_party/nanopb:proto" ]
}
}
pw_proto_library("test_protos") {
sources = [
"pw_protobuf_compiler_protos/nested/more_nesting/test.proto",
"pw_protobuf_compiler_protos/test.proto",
]
}
# PyPI Requirements needed to install Python protobuf packages.
pw_python_requirements("protobuf_requirements") {
# mypy-protobuf 1.24 is required to support optional fields in proto3.
requirements = [ "mypy-protobuf>=2.2" ]
}