fix cmake

Author: wanghaoshuang

CMakeLists.txt

@@ -13,7 +13,6 @@
 # limitations under the License
 
 cmake_minimum_required(VERSION 3.0)
-SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ldl -lpthread")
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
 set(PROJ_ROOT ${CMAKE_CURRENT_SOURCE_DIR})
 set(PROJ_BINARY_ROOT ${CMAKE_CURRENT_BINARY_DIR})