liunx内核编译出现错误，求解决

CC scripts/mod/empty.o
/home/aaa/opt/arm-anykav500-linux-uclibcgnueabi/bin/../libexec/gcc/arm-anykav500-linux-uclibcgnueabi/4.9.4/cc1: error while loading shared libraries: libmpfr.so.4: cannot open shared object file: No such file or directory
make[3]: *** [/home/aaa/ximenzi/AK37D_SDK_V1.04/os/kernel/scripts/Makefile.build:278: scripts/mod/empty.o] Error 1
make[2]: *** [/home/aaa/ximenzi/AK37D_SDK_V1.04/os/kernel/scripts/Makefile.build:484: scripts/mod] Error 2
make[2]: *** Waiting for unfinished jobs....
CC kernel/bounds.s
/home/aaa/opt/arm-anykav500-linux-uclibcgnueabi/bin/../libexec/gcc/arm-anykav500-linux-uclibcgnueabi/4.9.4/cc1: error while loading shared libraries: libmpfr.so.4: cannot open shared object file: No such file or directory
make[2]: *** [/home/aaa/ximenzi/AK37D_SDK_V1.04/os/kernel/./Kbuild:20: kernel/bounds.s] Error 1
make[1]: *** [/home/aaa/ximenzi/AK37D_SDK_V1.04/os/kernel/Makefile:1040: prepare0] Error 2
make[1]: *** Waiting for unfinished jobs....
HOSTLD scripts/dtc/dtc
make[1]: *** [/home/aaa/ximenzi/AK37D_SDK_V1.04/os/kernel/Makefile:558: scripts] Error 2
make[1]: Leaving directory '/home/aaa/ximenzi/AK37D_SDK_V1.04/os/bd'
make: *** [Makefile:152: sub-make] Error 2
Kernel build failed!