使用4.7.1版本工具链编译内核出现错误，应该如何解决？

[root@localhost linux-3.2.0]# make uImage
make: arm-none-linux-gnueabi-gcc：命令未找到
  HOSTLD  scripts/kconfig/conf
scripts/kconfig/conf --silentoldconfig Kconfig
drivers/input/touchscreen/Kconfig:433:warning: defaults for choice values not supported
drivers/input/touchscreen/Kconfig:445:warning: defaults for choice values not supported
make: arm-none-linux-gnueabi-gcc：命令未找到
  WRAP    arch/arm/include/generated/asm/auxvec.h
  WRAP    arch/arm/include/generated/asm/bitsperlong.h
  WRAP    arch/arm/include/generated/asm/cputime.h
  WRAP    arch/arm/include/generated/asm/emergency-restart.h
  WRAP    arch/arm/include/generated/asm/errno.h
  WRAP    arch/arm/include/generated/asm/ioctl.h
  WRAP    arch/arm/include/generated/asm/irq_regs.h
  WRAP    arch/arm/include/generated/asm/kdebug.h
  WRAP    arch/arm/include/generated/asm/local.h
  WRAP    arch/arm/include/generated/asm/local64.h
  WRAP    arch/arm/include/generated/asm/percpu.h
  WRAP    arch/arm/include/generated/asm/poll.h
  WRAP    arch/arm/include/generated/asm/resource.h
  WRAP    arch/arm/include/generated/asm/sections.h
  WRAP    arch/arm/include/generated/asm/siginfo.h
  WRAP    arch/arm/include/generated/asm/sizes.h
  CHK     include/linux/version.h
  UPD     include/linux/version.h
  CHK     include/generated/utsrelease.h
  UPD     include/generated/utsrelease.h
  Generating include/generated/mach-types.h
  CC      kernel/bounds.s
/bin/sh: arm-none-linux-gnueabi-gcc: command not found
make[1]: *** [kernel/bounds.s] 错误 127
make: *** [prepare0] 错误 2
[root@localhost linux-3.2.0]#

工具链设置没设置对