MDK5编译警告如何处理？

警告信息如下：

.objYLN_S106_II.axf: Warning: L6412W: Disabling merging for app_task_core.o(.conststring), unsupported relocation R_ARM_REL32 from app_task_core.o(i.App_Core_Work)
.objYLN_S106_II.axf: Warning: L6412W: Disabling merging for app_task_proc.o(.conststring), unsupported relocation R_ARM_REL32 from app_task_proc.o(i.App_Proc_ParamesChecked)
.objYLN_S106_II.axf: Warning: L6412W: Disabling merging for app_gui_sysset.o(.conststring), unsupported relocation R_ARM_REL32 from app_gui_sysset.o(i.App_Gui_SysSet_Menu_OnMenuEntry)
.objYLN_S106_II.axf: Warning: L6412W: Disabling merging for app_gui_devset.o(.conststring), unsupported relocation R_ARM_REL32 from app_gui_devset.o(i.App_Gui_DevSet_Menu_OnMenuEntry)
.objYLN_S106_II.axf: Warning: L6412W: Disabling merging for app_gui_memory.o(.conststring), unsupported relocation R_ARM_REL32 from app_gui_memory.o(i.Memory_SubMenu_Record_MenuEntry)
.objYLN_S106_II.axf: Warning: L6412W: Disabling merging for app_gui_procset.o(.conststring), unsupported relocation R_ARM_REL32 from app_gui_procset.o(i.App_Gui_ProcSet_CacheLoad)
.objYLN_S106_II.axf: Warning: L6412W: Disabling merging for wfs_nandfs.o(.conststring), unsupported relocation R_ARM_REL32 from wfs_nandfs.o(i.Wfs_NandFAT_PrintDir)
.objYLN_S106_II.axf: Warning: L6412W: Disabling merging for proc_sl651.o(.conststring), unsupported relocation R_ARM_REL32 from proc_sl651.o(i.Sl651_SendPacketToServer)
.objYLN_S106_II.axf: Warning: L6412W: Disabling merging for proc_scsw.o(.conststring), unsupported relocation R_ARM_REL32 from proc_scsw.o(i.ScswProc_DailCmdFromHost)
.objYLN_S106_II.axf: Warning: L6412W: Disabling merging for proc_cqsw.o(.conststring), unsupported relocation R_ARM_REL32 from proc_cqsw.o(i.CqswProc_SendPacketToServer)
.objYLN_S106_II.axf: Warning: L6412W: Disabling merging for comm_ec20_driver.o(.conststring), unsupported relocation R_ARM_REL32 from comm_ec20_driver.o(i.EC20_WriteData)

MDK版本信息：
IDE-Version:
μVision V5.21.1.0
Copyright (C) 2016 ARM Ltd and ARM Germany GmbH. All rights reserved.

License Information:
Capes Microsoft
Microsoft
LIC=8VR63-ABEHM-SYFVA-1BBJF-T85HC-WUFJC

Tool Version Numbers:
Toolchain:        MDK-ARM Plus  Version: 5.21a
Toolchain Path:    D:MDK5ARMARMCCBin
C Compiler:         Armcc.exe        V5.06 update 3 (build 300)
Assembler:          Armasm.exe        V5.06 update 3 (build 300)
Linker/Locator:     ArmLink.exe        V5.06 update 3 (build 300)
Library Manager:    ArmAr.exe        V5.06 update 3 (build 300)
Hex Converter:      FromElf.exe        V5.06 update 3 (build 300)
CPU DLL:               SARMCM3.DLL          V5.21a
Dialog DLL:         DCM.DLL              V1.13.8.0
Target DLL:             SeggerJL2CM3.dll      V2.99.23.0
Dialog DLL:         TCM.DLL              V1.14.14.0

之前用的是MDK4，编译这个工程没有警告信息；
迁移到MDK5之后就多出来了这么一个警告信息，但是程序是可以正常运行的，就是不知道如何解决这个警告，或者是屏蔽这个警告？？？