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#!/bin/bash
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# Copyright 2015, Google Inc.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following disclaimer
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# in the documentation and/or other materials provided with the
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# distribution.
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# * Neither the name of Google Inc. nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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set -ex
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readonly NANOPB_TMP_OUTPUT="$(mktemp -d)"
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# install protoc version 3
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pushd third_party/protobuf
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./autogen.sh
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./configure
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make
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make install
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ldconfig
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popd
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if [ ! -x "/usr/local/bin/protoc" ]; then
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echo "Error: protoc not found in path"
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exit 1
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fi
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readonly PROTOC_PATH='/usr/local/bin'
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# stack up and change to nanopb's proto generator directory
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pushd third_party/nanopb/generator/proto
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PATH="$PROTOC_PATH:$PATH" make
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# back to the root directory
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popd
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# nanopb-compile the proto to a temp location
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PATH="$PROTOC_PATH:$PATH" ./tools/codegen/core/gen_load_balancing_proto.sh \
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src/proto/grpc/lb/v0/load_balancer.proto \
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$NANOPB_TMP_OUTPUT
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# compare outputs to checked compiled code
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if ! diff -r $NANOPB_TMP_OUTPUT src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0; then
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echo "Outputs differ: $NANOPB_TMP_OUTPUT vs src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0"
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exit 2
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fi
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