Error in running ./run-tests

[naufil601]

When I run "./run-tests",I get this error. I've tried "scons -c && scons && sudo scons install" but it gave the same error of clstm.proto.o
Help required..

export seed=0.222

scons -s -c

rm -f *.o *.a

scons -j 4 gpu=0 debug=0 options= clstmocrtrain clstmfiltertrain clstmfilter clstmocr test-lstm
scons: Reading SConscript files ...
scons: done reading SConscript files.
scons: Building targets ...
g++ --std=c++11 -Wno-unused-result -o clstmocrtrain.o -c -g -O3 -DEIGEN_NO_DEBUG -DCATCH=catch -DCLSTM_ALL_TENSOR=1 -DNODISPLAY=1 -DTHROW=throw -DTRY=try -I/usr
/include/eigen3 clstmocrtrain.cc
g++ --std=c++11 -Wno-unused-result -o clstm.o -c -g -O3 -DEIGEN_NO_DEBUG -DCATCH=catch -DCLSTM_ALL_TENSOR=1 -DNODISPLAY=1 -DTHROW=throw -DTRY=try -I/usr/include/eigen3 clstm.cc
g++ --std=c++11 -Wno-unused-result -o ctc.o -c -g -O3 -DEIGEN_NO_DEBUG -DCATCH=catch -DCLSTM_ALL_TENSOR=1 -DNODISPLAY=1 -DTHROW=throw -DTRY=try -I/usr/include/eigen3 ctc.cc
protoc(["clstm", "clstm.pb.cc", "clstm.pb.h"], ["clstm.proto"])
sh: 1: protoc: not found
g++ --std=c++11 -Wno-unused-result -o clstm_proto.o -c -g -O3 -DEIGEN_NO_DEBUG -DCATCH=catch -DCLSTM_ALL_TENSOR=1 -DNODISPLAY=1 -DTHROW=throw -DTRY=try -I/usr/include/eigen3 clstm_proto.cc
clstm_proto.cc:19:22: fatal error: clstm.pb.h: No such file or directory
compilation terminated.
scons: *** [clstm_proto.o] Error 1
scons: building terminated because of errors.

echo TEST FAILED
TEST FAILED