执行命令：sudo make CROSS_COMPILE=arm-linux-gnueabihf- ARCH=arm O=beagleboneblack am335x_evm
报错如下：
[sudo] password for zyt:
Configuring for am335x_evm - Board: am335x_evm, Options: SERIAL1,CONS_INDEX=1
make
make[1]: 正在进入目录 `/home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00'
Generating /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/beagleboneblack/include/autoconf.mk
Generating /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/beagleboneblack/include/autoconf.mk.dep
make[1]:正在离开目录 `/home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00'
make[1]: 正在进入目录 `/home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00'
/home/work/ti-sdk-am335x-evm-06.00.00.00/linux-devkit/sysroots/i686-arago-linux/usr/bin/arm-linux-gnueabihf-gcc -DDO_DEPS_ONLY \
-g -Os -fno-common -ffixed-r8 -msoft-float -mno-unaligned-access -D__KERNEL__ -DCONFIG_SYS_TEXT_BASE=0x80800000 -DCONFIG_SPL_TEXT_BASE=0x402F0400 -I/home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/beagleboneblack/include2 -I/home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/beagleboneblack/include -I/home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/include -fno-builtin -ffreestanding -nostdinc -isystem /home/work/ti-sdk-am335x-evm-06.00.00.00/linux-devkit/sysroots/i686-arago-linux/usr/bin/../lib/gcc/arm-linux-gnueabihf/4.7.3/include -pipe -DCONFIG_ARM -D__ARM__ -marm -mno-thumb-interwork -mabi=aapcs-linux -march=armv7-a -Wall -Wstrict-prototypes -fno-stack-protector -Wno-format-nonliteral -Wno-format-security -fstack-usage \
-o /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/beagleboneblack/lib/asm-offsets.s /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/lib/asm-offsets.c -c -S
Generating /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/beagleboneblack/include/generated/generic-asm-offsets.h
tools/scripts/make-asm-offsets /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/beagleboneblack/lib/asm-offsets.s /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/beagleboneblack/include/generated/generic-asm-offsets.h
if [ -f /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/arch/arm/cpu/armv7/am33xx/asm-offsets.c ];then \
/home/work/ti-sdk-am335x-evm-06.00.00.00/linux-devkit/sysroots/i686-arago-linux/usr/bin/arm-linux-gnueabihf-gcc -DDO_DEPS_ONLY \
-g -Os -fno-common -ffixed-r8 -msoft-float -mno-unaligned-access -D__KERNEL__ -DCONFIG_SYS_TEXT_BASE=0x80800000 -DCONFIG_SPL_TEXT_BASE=0x402F0400 -I/home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/beagleboneblack/include2 -I/home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/beagleboneblack/include -I/home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/include -fno-builtin -ffreestanding -nostdinc -isystem /home/work/ti-sdk-am335x-evm-06.00.00.00/linux-devkit/sysroots/i686-arago-linux/usr/bin/../lib/gcc/arm-linux-gnueabihf/4.7.3/include -pipe -DCONFIG_ARM -D__ARM__ -marm -mno-thumb-interwork -mabi=aapcs-linux -march=armv7-a -Wall -Wstrict-prototypes -fno-stack-protector -Wno-format-nonliteral -Wno-format-security -fstack-usage \
-o /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/beagleboneblack/arch/arm/cpu/armv7/am33xx/asm-offsets.s /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/arch/arm/cpu/armv7/am33xx/asm-offsets.c -c -S; \
else \
touch /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/beagleboneblack/arch/arm/cpu/armv7/am33xx/asm-offsets.s; \
fi
Generating /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/beagleboneblack/include/generated/asm-offsets.h
tools/scripts/make-asm-offsets /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/beagleboneblack/arch/arm/cpu/armv7/am33xx/asm-offsets.s /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/beagleboneblack/include/generated/asm-offsets.h
for dir in tools examples/standalone examples/api arch/arm/cpu/armv7 board/ti/am335x/ ; do \
make -C $dir _depend ; done
make[2]: 正在进入目录 `/home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/tools'
make[2]: 没有什么可以做的为 `_depend'。
make[2]:正在离开目录 `/home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/tools'
make[2]: 正在进入目录 `/home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/examples/standalone'
make[2]: 没有什么可以做的为 `_depend'。
make[2]:正在离开目录 `/home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/examples/standalone'
make[2]: 正在进入目录 `/home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/examples/api'
make[2]: 没有什么可以做的为 `_depend'。
make[2]:正在离开目录 `/home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/examples/api'
make[2]: 正在进入目录 `/home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/arch/arm/cpu/armv7'
make[2]: 没有什么可以做的为 `_depend'。
make[2]:正在离开目录 `/home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/arch/arm/cpu/armv7'
make[2]: 正在进入目录 `/home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/board/ti/am335x'
make[2]: 没有什么可以做的为 `_depend'。
make[2]:正在离开目录 `/home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/board/ti/am335x'
make -C tools all
make[2]: 正在进入目录 `/home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/tools'
gcc -g -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer -idirafter /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/include -idirafter /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/beagleboneblack/include2 -idirafter /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/beagleboneblack/include -I /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/lib/libfdt -I /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/tools -DCONFIG_SYS_TEXT_BASE=0x80800000 -DUSE_HOSTCC -D__KERNEL_STRICT_NAMES -c -o /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/beagleboneblack/tools/env_embedded.o /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/common/env_embedded.c
gcc -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer -idirafter /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/include -idirafter /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/beagleboneblack/include2 -idirafter /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/beagleboneblack/include -I /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/lib/libfdt -I /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/tools -DCONFIG_SYS_TEXT_BASE=0x80800000 -DUSE_HOSTCC -D__KERNEL_STRICT_NAMES -pedantic -o /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/beagleboneblack/tools/envcrc.o envcrc.c -c
gcc -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer -idirafter /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/include -idirafter /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/beagleboneblack/include2 -idirafter /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/beagleboneblack/include -I /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/lib/libfdt -I /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/tools -DCONFIG_SYS_TEXT_BASE=0x80800000 -DUSE_HOSTCC -D__KERNEL_STRICT_NAMES -pedantic -o /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/beagleboneblack/tools/envcrc /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/beagleboneblack/tools/crc32.o /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/beagleboneblack/tools/env_embedded.o /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/beagleboneblack/tools/envcrc.o /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/beagleboneblack/tools/sha1.o
make[3]: 正在进入目录 `/home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/tools/kernel-doc'
make[3]: 没有什么可以做的为 `all'。
make[3]:正在离开目录 `/home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/tools/kernel-doc'
make[2]:正在离开目录 `/home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/tools'
make -C arch/arm/cpu/armv7 /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/beagleboneblack/arch/arm/cpu/armv7/start.o
make[2]: 正在进入目录 `/home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/arch/arm/cpu/armv7'
/home/work/ti-sdk-am335x-evm-06.00.00.00/linux-devkit/sysroots/i686-arago-linux/usr/bin/arm-linux-gnueabihf-gcc -D__ASSEMBLY__ -g -Os -fno-common -ffixed-r8 -msoft-float -mno-unaligned-access -D__KERNEL__ -DCONFIG_SYS_TEXT_BASE=0x80800000 -DCONFIG_SPL_TEXT_BASE=0x402F0400 -I/home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/beagleboneblack/include2 -I/home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/beagleboneblack/include -I/home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/include -fno-builtin -ffreestanding -nostdinc -isystem /home/work/ti-sdk-am335x-evm-06.00.00.00/linux-devkit/sysroots/i686-arago-linux/usr/bin/../lib/gcc/arm-linux-gnueabihf/4.7.3/include -pipe -DCONFIG_ARM -D__ARM__ -marm -mno-thumb-interwork -mabi=aapcs-linux -march=armv7-a -o /home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/beagleboneblack/arch/arm/cpu/armv7/start.o start.S -c
Assembler messages:
Fatal error: Invalid -march= option: `armv7-a'
make[2]: *** [/home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/beagleboneblack/arch/arm/cpu/armv7/start.o] 错误 2
make[2]:正在离开目录 `/home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/arch/arm/cpu/armv7'
make[1]: *** [/home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00/beagleboneblack/arch/arm/cpu/armv7/start.o] 错误 2
make[1]:正在离开目录 `/home/work/ti-sdk-am335x-evm-06.00.00.00/board-support/u-boot-2013.01.01-psp06.00.00.00'
make: *** [am335x_evm] 错误 2
请问大牛为什么