add rpath by cmake

core/general-client/CMakeLists.txt

 if(CLIENT)
 add_subdirectory(pybind11)
 pybind11_add_module(serving_client src/general_model.cpp src/pybind_general_model.cpp)
-target_link_libraries(serving_client PRIVATE -Wl,--whole-archive utils sdk-cpp pybind python -Wl,--no-whole-archive -lpthread -lcrypto -lm -lrt -lssl -ldl -lz)
+target_link_libraries(serving_client PRIVATE -Wl,--whole-archive utils sdk-cpp pybind python -Wl,--no-whole-archive -lpthread -lcrypto -lm -lrt -lssl -ldl -lz -Wl,-rpath,'$ORIGIN'/lib)
 endif()

python/paddle_serving_client/__init__.py

@@ -112,7 +112,6 @@ class Client(object):
         self.feed_shapes_ = {}
         self.feed_types_ = {}
         self.feed_names_to_idx_ = {}
-        self.rpath()
         self.pid = os.getpid()
         self.predictor_sdk_ = None
         self.producers = []
@@ -121,16 +120,6 @@ class Client(object):
         self.all_numpy_input = True
         self.has_numpy_input = False
 
-    def rpath(self):
-        lib_path = os.path.dirname(paddle_serving_client.__file__)
-        client_path = os.path.join(lib_path, 'serving_client.so')
-        lib_path = os.path.join(lib_path, 'lib')
-        ld_path = os.getenv('LD_LIBRARY_PATH')
-        if ld_path == None:
-            os.environ['LD_LIBRARY_PATH'] = lib_path
-        elif ld_path not in lib_path:
-            os.environ['LD_LIBRARY_PATH'] = ld_path + ':' + lib_path
-
     def load_client_config(self, path):
         from .serving_client import PredictorClient
         from .serving_client import PredictorRes