Complie error

[limlynn]

I try to install IONN client in linux laptop under CPU-only mode.

My hardware and software :
hardware: Linux laptop (set CPU_ONLY := 1 in ) / Memory 4GB/
CPU: Intel(R) Core(TM) i7-8750H CPU @ 2.20GHz
software :
ubuntu 18.04 LTS 64-bit
cmake version 3.10.2

The error is below:

examples/partitioning/classification.cpp: In member function ‘void Classifier::SequentialClassifing(cv::Mat&)’:
examples/partitioning/classification.cpp:254:10: warning: unused variable ‘timechk’ [-Wunused-variable]
double timechk;
^~~~~~~
examples/partitioning/classification.cpp:255:10: warning: unused variable ‘timechk2’ [-Wunused-variable]
double timechk2;
^~~~~~~~
examples/partitioning/classification.cpp:257:17: warning: unused variable ‘finish’ [-Wunused-variable]
struct timeval finish;
^~~~~~
examples/partitioning/classification.cpp: In member function ‘void Classifier::IncrementalUploading()’:
examples/partitioning/classification.cpp:447:21: warning: unused variable ‘start2’ [-Wunused-variable]
struct timeval start2;
^~~~~~
examples/partitioning/classification.cpp:448:21: warning: unused variable ‘finish2’ [-Wunused-variable]
struct timeval finish2;
^~~~~~~
examples/partitioning/classification.cpp:329:11: warning: ‘prototxt_end’ may be used uninitialized in this function [-Wmaybe-uninitialized]
int prototxt_end;
^~~~~~~~~~~~
examples/partitioning/classification.cpp:328:11: warning: ‘resume_point’ may be used uninitialized in this function [-Wmaybe-uninitialized]
int resume_point;
^~~~~~~~~~~~
examples/partitioning/classification.cpp:327:11: warning: ‘offloading_point’ may be used uninitialized in this function [-Wmaybe-uninitialized]
int offloading_point;
^~~~~~~~~~~~~~~~
CXX/LD -o .build_release/examples/partitioning/classification.bin