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#!/bin/bash
# Copyright 2015 gRPC 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
#
# http://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.
set -ex
readonly NANOPB_TMP_OUTPUT="$(mktemp -d)"
readonly PROTOBUF_INSTALL_PREFIX="$(mktemp -d)"
# install protoc version 3
pushd third_party/protobuf
./autogen.sh
./configure --prefix="$PROTOBUF_INSTALL_PREFIX"
make -j 8
make install
#ldconfig
popd
readonly PROTOC_BIN_PATH="$PROTOBUF_INSTALL_PREFIX/bin"
if [ ! -x "$PROTOBUF_INSTALL_PREFIX/bin/protoc" ]; then
echo "Error: protoc not found in temp install dir '$PROTOBUF_INSTALL_PREFIX'"
exit 1
fi
# stack up and change to nanopb's proto generator directory
pushd third_party/nanopb/generator/proto
export PATH="$PROTOC_BIN_PATH:$PATH"
make -j 8
# back to the root directory
popd
#
# Checks for load_balancer.proto
#
readonly LOAD_BALANCER_GRPC_OUTPUT_PATH='src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1'
# nanopb-compile the proto to a temp location
./tools/codegen/core/gen_nano_proto.sh \
src/proto/grpc/lb/v1/load_balancer.proto \
"$NANOPB_TMP_OUTPUT" \
"$LOAD_BALANCER_GRPC_OUTPUT_PATH"
# compare outputs to checked compiled code
if ! diff -r $NANOPB_TMP_OUTPUT src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1; then
echo "Outputs differ: $NANOPB_TMP_OUTPUT vs $LOAD_BALANCER_GRPC_OUTPUT_PATH"
exit 2
fi
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