From 0d822c13fe8ec14a401ee58c23830bebca98d682 Mon Sep 17 00:00:00 2001
From: David Garcia Quintas <dgq@google.com>
Date: Wed, 13 Jan 2016 13:29:39 -0800
Subject: [PATCH] Added proto3 installation as part of check_nanopb

---
 tools/distrib/check_nanopb_output.sh | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/tools/distrib/check_nanopb_output.sh b/tools/distrib/check_nanopb_output.sh
index d1d829d09d2..1fd190d506b 100755
--- a/tools/distrib/check_nanopb_output.sh
+++ b/tools/distrib/check_nanopb_output.sh
@@ -45,15 +45,31 @@ pip install protobuf==3.0.0b2
 # change to root directory
 cd $(dirname $0)/../..
 
+# install protoc version 3
+pushd third_party/protobuf
+apt-get install -y autoconf automake libtool curl
+./autogen.sh
+./configure
+make
+sudo make install
+sudo ldconfig
+popd
+
+if [ ! -x "/usr/local/bin/protoc" ]; then
+  echo "Error: protoc not found in path"
+  exit 1
+fi
+readonly PROTOC_PATH='/usr/local/bin'
 # stack up and change to nanopb's proto generator directory
 pushd third_party/nanopb/generator/proto
-make
+PATH="$PROTOC_PATH:$PATH" make
 
 # back to the root directory
 popd
 
+
 # nanopb-compile the proto to a temp location
-./tools/codegen/core/gen_load_balancing_proto.sh \
+PATH="$PROTOC_PATH:$PATH" ./tools/codegen/core/gen_load_balancing_proto.sh \
   src/proto/grpc/lb/v0/load_balancer.proto \
   $NANOPB_TMP_OUTPUT