我从TI网站上下载MCSDK_1_01_00_02来制作omapl138的uboot，解压文件包，安装好了交叉编译器，按照processors.wiki.ti.com/.../MCSDK_OMAPL138_User_Guide_Chapter_Exploring
arm-arago-linux-gnueabi-ld -r -o libstubs.o stubs.o
arm-arago-linux-gnueabi-ld -g -Ttext 0xc100000 \
-o hello_world -e hello_world hello_world.o libstubs.o \
-L/opt/arago-2011.09/armv5te/bin/../lib/gcc/arm-arago-linux-gnueabi/4.5.3 -lgcc
arm-arago-linux-gnueabi-objcopy -O srec hello_world hello_world.srec 2>/dev/null
arm-arago-linux-gnueabi-objcopy -O binary hello_world hello_world.bin 2>/dev/null
make[1]: Leaving directory `/opt/ti/mcsdk_1_01_00_02/board-support/u-boot-2012.04.01-psp03.22.00.06.sdk/examples/standalone'
make -C examples/api all
make[1]: Entering directory `/opt/ti/mcsdk_1_01_00_02/board-support/u-boot-2012.04.01-psp03.22.00.06.sdk/examples/api'
make[1]: Nothing to be done for `all'.
make[1]: Leaving directory `/opt/ti/mcsdk_1_01_00_02/board-support/u-boot-2012.04.01-psp03.22.00.06.sdk/examples/api'
root@ubuntu:/opt/ti/mcsdk_1_01_00_02/board-support/u-boot-2012.04.01-psp03.22.00.06.sdk#，
初学者，不知缘由，貌似是uboot源码出现出错了，恳请各位专家解答，谢谢！