Update CMakeLists.txt

contrib/CMakeLists.txt

@@ -229,8 +229,8 @@ endif(${BUILD_WITH_LEVELDB})
 # To support rocksdb build on ubuntu: sudo apt-get install libgflags-dev
 if(${BUILD_WITH_ROCKSDB})
     if(${TD_LINUX})
-        SET(CMAKE_BUILD_TYPE Release)
         SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS_REL} -Wno-error=maybe-uninitialized -Wno-error=unused-but-set-variable -Wno-error=unused-variable -Wno-error=unused-function -Wno-errno=unused-private-field -Wno-error=unused-result")
+        SET(CMAKE_BUILD_TYPE Release)
     endif(${TD_LINUX})
     MESSAGE(STATUS "CXXXX STATUS CONFIG: " ${CMAKE_CXX_FLAGS})