fix: link error

mindspore/ccsrc/minddata/dataset/engine/cache/CMakeLists.txt

@@ -82,6 +82,7 @@ if(ENABLE_CACHE)
         ${PYTHON_LIBRARIES}
         ${SECUREC_LIBRARY}
         pthread
+        -ldl
         -Wl,--no-as-needed
         mindspore::grpc++)
   else()
@@ -95,6 +96,7 @@ if(ENABLE_CACHE)
         ${PYTHON_LIBRARIES}
         ${SECUREC_LIBRARY}
         pthread
+        -ldl
         -Wl,--no-as-needed
         mindspore::grpc++
         -Wl,--as-needed)
@@ -109,8 +111,14 @@ if(ENABLE_CACHE)
   endif()
 
   add_executable(cache_admin cache_admin.cc cache_admin_arg.cc)
-  target_link_libraries(cache_admin _c_dataengine _c_mindrecord mindspore::protobuf ${PYTHON_LIBRARIES} pthread)
-  target_link_libraries(cache_admin mindspore -Wl,--as-needed mindspore_core mindspore_shared_lib)
+  target_link_libraries(cache_admin _c_dataengine _c_mindrecord ${PYTHON_LIBRARIES} pthread -ldl)
+  if(ENABLE_TDTQUE)
+    target_link_libraries(cache_admin
+        -Wl,--start-group mindspore::protobuf mindspore_core mindspore_shared_lib ${ACL_TDT_CHANNEL} -Wl,--end-group)
+  else()
+    target_link_libraries(cache_admin
+        -Wl,--start-group mindspore::protobuf mindspore_core mindspore_shared_lib -Wl,--end-group)
+  endif()
 
   if(USE_GLOG)
     target_link_libraries(cache_admin mindspore::glog)

mindspore/dataset/engine/cache_admin.py

@@ -28,6 +28,10 @@ def main():
     cache_admin_dir = os.path.join(os.path.dirname(mindspore.__file__), "bin")
     os.chdir(cache_admin_dir)
     cache_admin = os.path.join(cache_admin_dir, "cache_admin")
+
+    if not os.path.exists(cache_admin):
+        raise RuntimeError("Dataset cache is not supported on your mindspore version.")
+
     cache_server = os.path.join(cache_admin_dir, "cache_server")
     os.chmod(cache_admin, stat.S_IRWXU)
     os.chmod(cache_server, stat.S_IRWXU)