Ggtcf

Trying to import ctypes and use .so files with python tensorflow on aarch64 the following way:

import ctypes
import numpy as np
#import cv2


lib = ctypes.cdll.LoadLibrary('./serverfoo.so')


class image_data(ctypes.Structure):
 _fields_ = [('to_dark', ctypes.c_int), 
 ('to_bright', ctypes.c_int),
 ('start_time_sec',ctypes.c_int),
 ('start_time_nsec',ctypes.c_int),
 ('capture_time_sec',ctypes.c_int),
 ('capture_time_nsec',ctypes.c_int),
 ('data', ctypes.ARRAY(ctypes.c_ubyte,960*1280*3))]
 def __repr__(self):
 return '(0, 1, 2, 3, 4, 5)'.format(self.to_dark, 
 self.to_bright,
 self.start_time_sec,
 self.start_time_nsec,
 self.capture_time_sec,
 self.capture_time_nsec)


class image_server(object):
 def __init__(self):
 lib.image_server_new.argtypes = []
 lib.image_server_new.restype = ctypes.c_void_p

 lib.GetNewestImage.argtypes = [ctypes.c_void_p]
 lib.GetNewestImage.restype = image_data

 self.obj = lib.image_server_new()



 def GetNewestImage(self):
 return lib.GetNewestImage(self.obj)

leads to the following message (using the same code on an x86_64 works fine):

[libprotobuf FATAL google/protobuf/stubs/common.cc:61] This program requires version 3.6.1 of the Protocol Buffer runtime library, but the installed version is 2.6.1. Please update your library. If you compiled the program yourself, make sure that your headers are from the same version of Protocol Buffers as your link-time library. (Version verification failed in "bazel-out/arm-opt/genfiles/external/com_github_googleapis_googleapis/google/bigtable/admin/v2/instance.pb.cc".)
terminate called after throwing an instance of 'google::protobuf::FatalException'
 what(): This program requires version 3.6.1 of the Protocol Buffer runtime library, but the installed version is 2.6.1. Please update your library. If you compiled the program yourself, make sure that your headers are from the same version of Protocol Buffers as your link-time library. (Version verification failed in "bazel-out/arm-opt/genfiles/external/com_github_googleapis_googleapis/google/bigtable/admin/v2/instance.pb.cc".)
Aborted (core dumped)

Every suggestion will be appreciated.