菜鸟问题 制作交叉编译链 出现问题

制作交叉编译链 出现问题 编译时候出现的问题
updating cache ./config.cach
loading cache ./config.cache within ltconfig
checking for objdir... .libs
checking for gcc option to produce PIC... -fPIC -DPIC
checking if gcc PIC flag -fPIC -DPIC works... yes
checking if gcc static flag -static works... yes
finding the maximum length of command line arguments... 49153
checking if gcc supports -c -o file.o... yes
checking if gcc supports -fno-rtti -fno-exceptions ... no
checking whether the linker (ld) supports shared libraries... yes
checking how to hardcode library paths into programs... immediate
checking whether stripping libraries is possible... yes
checking dynamic linker characteristics... GNU/Linux ld.so
checking command to parse nm output... ok
checking if libtool supports shared libraries... yes
checking whether to build shared libraries... no
checking whether to build static libraries... yes
creating libtool
updating cache ./config.cache
loading cache ./config.cache
configure: error: Unrecognized target system type; please check config.sub.
make: *** [configure-bfd] 错误 1
[root@localhost build-binutils]#