Ubuntu14.04 64bit编译u-boot-2016.07提示 Your dtc is too old, please upgrade to dtc 1.4 or newer

Author：AP0904225
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Ubuntu14.04 64bit环境下编译u-boot-2016.07提示如下错误：

CHK include/config/uboot.release
CHK include/generated/version_autogenerated.h
CHK include/generated/timestamp_autogenerated.h
UPD include/generated/timestamp_autogenerated.h
CHK include/generated/generic-asm-offsets.h
CHK include/generated/asm-offsets.h
HOSTCC tools/mkenvimage.o
HOSTLD tools/mkenvimage
HOSTCC tools/image-host.o
HOSTCC tools/dumpimage.o
HOSTLD tools/dumpimage
HOSTCC tools/mkimage.o
HOSTLD tools/mkimage
CC common/main.o
CC common/board_f.o
CC common/cmd_version.o
LD common/built-in.o
CC lib/display_options.o
LD lib/built-in.o
LD u-boot
/usr/local/JreTool/opt/FriendlyARM/toolschain/4.4.3/bin/.arm-none-linux-gnueabi-ld: warning: creating a DT_TEXTREL in object.
OBJCOPY u-boot.srec
OBJCOPY u-boot.bin
./scripts/dtc-version.sh: line 17: dtc: command not found
./scripts/dtc-version.sh: line 18: dtc: command not found
* Your dtc is too old, please upgrade to dtc 1.4 or newer
make: * [checkdtc] Error 1

解决方法：

   安装device-tree-compiler
   apt-get install device-tree-compiler，安装后就可以成功编译。