海思3520D mpp编译问题

安装正板海思sdk，交叉编译工具链都按照说明安装，uboot和内核文件系统都以降编译完成。到编译mpp的时候，出现如下问题，请知道的高手指点，谢谢

[code]h@h-VBox:~/hi/mpp/sample$ make
ls: 无法访问/hiwork/osdrvhi3520D.C01: 没有那个文件或目录
make[1]: 正在进入目录 `/home/h/hi/mpp/sample/hifb'
arm-hisiv100nptl-linux-gcc -Wall -g -I/home/h/hi/mpp/include  -I/home/h/hi/mpp/sample/hifb/../common  -I/home/h/hi/mpp/extdrv/tw2865  -I/home/h/hi/mpp/extdrv/tw2960  -I/home/h/hi/mpp/extdrv/tlv320aic31  -I/home/h/hi/mpp/extdrv/cx26828 -Dhi3520D -DHICHIP=0x3520D100 -DHI_DEBUG -DHI_XXXX -DDEMO -lpthread -lm -lpthread -lm -o sample_hifb sample_hifb.o /home/h/hi/mpp/sample/hifb/../common/loadbmp.o /home/h/hi/mpp/sample/hifb/../common/sample_comm_audio.o /home/h/hi/mpp/sample/hifb/../common/sample_comm_sys.o /home/h/hi/mpp/sample/hifb/../common/sample_comm_vda.o /home/h/hi/mpp/sample/hifb/../common/sample_comm_vdec.o /home/h/hi/mpp/sample/hifb/../common/sample_comm_venc.o /home/h/hi/mpp/sample/hifb/../common/sample_comm_vi.o /home/h/hi/mpp/sample/hifb/../common/sample_comm_vo.o /home/h/hi/mpp/sample/hifb/../common/sample_comm_vpss.o /home/h/hi/mpp/lib/libmpi.a /home/h/hi/mpp/lib/libhdmi.a /home/h/hi/mpp/lib/libtde.a /home/h/hi/mpp/lib/libVoiceEngine.a /home/h/hi/mpp/lib/libaec.a /home/h/hi/mpp/lib/libresampler.a /home/h/hi/mpp/lib/libanr.a /home/h/hi/mpp/lib/libjpeg.a  
/home/h/hi/mpp/lib/libmpi.a(mpi_ai.o): In function `T.198':
mpi_ai.c:(.text+0xcb8): undefined reference to `__xstat'
/home/h/hi/mpp/lib/libmpi.a(mpi_ao.o): In function `T.162':
mpi_ao.c:(.text+0x28c): undefined reference to `__xstat'
/home/h/hi/mpp/lib/libmpi.a(mpi_vda.o): In function `T.91':
mpi_vda.c:(.text+0x80): undefined reference to `__xstat'
/home/h/hi/mpp/lib/libmpi.a(mpi_vdec.o): In function `T.128':
mpi_vdec.c:(.text+0xe4): undefined reference to `__xstat'
/home/h/hi/mpp/lib/libmpi.a(mpi_vdec.o): In function `HI_MPI_VDEC_GetImageBuffer':
mpi_vdec.c:(.text+0x848): undefined reference to `__xstat'
/home/h/hi/mpp/lib/libmpi.a(mpi_vdec.o):mpi_vdec.c:(.text+0xa0c): more undefined references to `__xstat' follow
collect2: ld returned 1 exit status
make[1]: *** [sample_hifb] 错误 1
make[1]:正在离开目录 `/home/h/hi/mpp/sample/hifb'
make: *** [rel] 错误 2
h@h-VBox:~/hi/mpp/sample$
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