如何解决u-boot编译出错问题

ake[1]: Entering directory `/work/drivers_and_test/u-boot-2012.10/tools'
gcc -g -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer -idirafter /work/drivers_and_test/u-boot-2012.10/include -idirafter /work/drivers_and_test/u-boot-2012.10/include2 -idirafter /work/drivers_and_test/u-boot-2012.10/include -I /work/drivers_and_test/u-boot-2012.10/lib/libfdt -I /work/drivers_and_test/u-boot-2012.10/tools -DCONFIG_SYS_TEXT_BASE=0x0 -DUSE_HOSTCC -D__KERNEL_STRICT_NAMES -c -o env_embedded.o /work/drivers_and_test/u-boot-2012.10/common/env_embedded.c
gcc -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer -idirafter /work/drivers_and_test/u-boot-2012.10/include -idirafter /work/drivers_and_test/u-boot-2012.10/include2 -idirafter /work/drivers_and_test/u-boot-2012.10/include -I /work/drivers_and_test/u-boot-2012.10/lib/libfdt -I /work/drivers_and_test/u-boot-2012.10/tools -DCONFIG_SYS_TEXT_BASE=0x0 -DUSE_HOSTCC -D__KERNEL_STRICT_NAMES -pedantic   -o envcrc.o envcrc.c -c
gcc -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer -idirafter /work/drivers_and_test/u-boot-2012.10/include -idirafter /work/drivers_and_test/u-boot-2012.10/include2 -idirafter /work/drivers_and_test/u-boot-2012.10/include -I /work/drivers_and_test/u-boot-2012.10/lib/libfdt -I /work/drivers_and_test/u-boot-2012.10/tools -DCONFIG_SYS_TEXT_BASE=0x0 -DUSE_HOSTCC -D__KERNEL_STRICT_NAMES -pedantic  -o envcrc crc32.o env_embedded.o envcrc.o sha1.o
make[1]: Leaving directory `/work/drivers_and_test/u-boot-2012.10/tools'
make -C arch/ARM/cpu/arm920t start.o
make[1]: Entering directory `/work/drivers_and_test/u-boot-2012.10/arch/arm/cpu/arm920t'
arm-linux-gcc   -D__ASSEMBLY__ -g  -Os   -fno-common -ffixed-r8 -msoft-float  -D__KERNEL__ -DCONFIG_SYS_TEXT_BASE=0x0 -I/work/drivers_and_test/u-boot-2012.10/include -fno-builtin -ffreestanding -nostdinc -isystem /usr/local/arm/4.3.2/bin/../lib/gcc/arm-none-linux-gnueabi/4.3.2/include -pipe  -DCONFIG_ARM -D__ARM__ -marm -mno-thumb-interwork -mabi=aapcs-linux -march=armv4   -o start.o start.S -c
Assembler messages:
Fatal error: Invalid -march= option: `armv4t'
make[1]: *** [start.o] Error 1
make[1]: Leaving directory `/work/drivers_and_test/u-boot-2012.10/arch/arm/cpu/arm920t'
make: *** [arch/arm/cpu/arm920t/start.o] Error 2
book@book-desktop:/work/drivers_and_test/u-boot-2012.10$

U-BOOT是从网上下载的u-boot-2012.10，用的 是arm-linux-gcc-4.3.2.tar.bz2编译环境  ，请问有人 遇到同样的问题吗？