CCS/AM5728: automatic library build of rts6600_elf_eh.lib fails for ti-cgt-c6000_8.1.0

Tool/software: Code Composer Studio

I am trying to use C++ exception and Multibyte support,

but it failed to complied:

===============================================

-llibc.a
<Linking>
warning #10207-D: automatic RTS selection: resolving index library "libc.a" to "rts6600_elf_eh.lib", but "rts6600_elf_eh.lib" was not found

undefined first referenced
symbol in file
--------- ----------------
__TI_decompress_none
__TI_decompress_rle24
__TI_zero_init
__c6xabi_divi E:\WorkSpace2016\Am5728\DSP\ipcmem_dsp1_xml\src\ipc\ipc.ae66<Ipc.obj>
__c6xabi_divu E:\WorkSpace2016\Am5728\DSP\ipcmem_dsp1_xml\Debug\configPkg\package\cfg\TestDsp_new_pe66.oe66
__c6xabi_divull E:\WorkSpace2016\Am5728\DSP\ipcmem_dsp1_xml\src\sysbios\sysbios.ae66<BIOS.obj>
__c6xabi_remu E:\WorkSpace2016\Am5728\DSP\ipcmem_dsp1_xml\src\ipc\ipc.ae66<Ipc.obj>
__c6xabi_strasgi_64plus E:\WorkSpace2016\Am5728\DSP\ipcmem_dsp1_xml\src\sysbios\sysbios.ae66<BIOS.obj>
_args_main C:\ti\bios_6_45_01_29\packages\ti\targets\rts6000\lib\boot.ae66<boot.oe66>
_nop E:\WorkSpace2016\Am5728\DSP\ipcmem_dsp1_xml\Debug\configPkg\package\cfg\TestDsp_new_pe66.oe66
_register_lock E:\WorkSpace2016\Am5728\DSP\ipcmem_dsp1_xml\Debug\configPkg\package\cfg\TestDsp_new_pe66.oe66
_register_unlock E:\WorkSpace2016\Am5728\DSP\ipcmem_dsp1_xml\Debug\configPkg\package\cfg\TestDsp_new_pe66.oe66
abort C:\ti\bios_6_45_01_29\packages\ti\targets\rts6000\lib\ti.targets.rts6000.ae66<System.oe66>
exit C:\ti\bios_6_45_01_29\packages\ti\targets\rts6000\lib\ti.targets.rts6000.ae66<System.oe66>
memcpy E:\WorkSpace2016\Am5728\DSP\ipcmem_dsp1_xml\Debug\configPkg\package\cfg\TestDsp_new_pe66.oe66
memset E:\WorkSpace2016\Am5728\DSP\ipcmem_dsp1_xml\Debug\configPkg\package\cfg\TestDsp_new_pe66.oe66
sprintf ./Server.obj
strcmp E:\WorkSpace2016\Am5728\DSP\ipcmem_dsp1_xml\src\ipc\ipc.ae66<Ipc.obj>
strlen E:\WorkSpace2016\Am5728\DSP\ipcmem_dsp1_xml\src\ipc\ipc.ae66<Ipc.obj>
strncpy E:\WorkSpace2016\Am5728\DSP\ipcmem_dsp1_xml\src\ipc\ipc.ae66<Ipc.obj>

error #10234-D: unresolved symbols remain

========================================================

Can somebody provids the file "rts6600_elf_eh.lib"?

Thanks a lot!