Hi all: I am compiling U-boot for my LITE5200(icecube) board.The compile error messages are as fellows: [root@198 u-boot]# make icecube_5200_LOWBOOT_config ... with LOWBOOT configuration ... with MPC5200 processor Configuring for IceCube board... [root@198 u-boot]# make make[1]: Entering directory `/home/zl/ELDK-dir/usr/src/u-boot/tools' make[1]: `.depend' is up to date. make[1]: Leaving directory `/home/zl/ELDK-dir/usr/src/u-boot/tools' make[1]: Entering directory `/home/zl/ELDK-dir/usr/src/u-boot/examples' make[1]: `.depend' is up to date. make[1]: Leaving directory `/home/zl/ELDK-dir/usr/src/u-boot/examples' make[1]: Entering directory `/home/zl/ELDK-dir/usr/src/u-boot/post' make[1]: `.depend' is up to date. make[1]: Leaving directory `/home/zl/ELDK-dir/usr/src/u-boot/post' make[1]: Entering directory `/home/zl/ELDK-dir/usr/src/u-boot/post/cpu' make[1]: `.depend' is up to date. make[1]: Leaving directory `/home/zl/ELDK-dir/usr/src/u-boot/post/cpu' make -C tools all make[1]: Entering directory `/home/zl/ELDK-dir/usr/src/u-boot/tools' gcc -g -Wall -pedantic -idirafter ../include -DTEXT_BASE=0x00020000 -DUSE_HOSTCC -O -c envcrc.c gcc -g -idirafter ../include -DTEXT_BASE=0x00020000 -DUSE_HOSTCC -c environment.c gcc -Wall -pedantic -idirafter ../include -DTEXT_BASE=0x00020000 -DUSE_HOSTCC -O -o envcrc envcrc.o crc32.o environment.o make[1]: Leaving directory `/home/zl/ELDK-dir/usr/src/u-boot/tools' make -C examples all make[1]: Entering directory `/home/zl/ELDK-dir/usr/src/u-boot/examples' ppc-linux-gcc -g -Os -fPIC -ffixed-r14 -meabi -D__KERNEL__ -DTEXT_BASE=0x00020000 -I/home/zl/ELDK-dir/usr/src/u-boot/include -fno-builtin -ffreestanding -nostdinc -isystem /home/zl/ELDK-dir/usr/bin/../lib/gcc-lib/ppc-linux/3.2.2/include -pipe -DCONFIG_PPC -D__powerpc__ -DCONFIG_MPC5xxx -ffixed-r2 -ffixed-r29 -mstring -mcpu=603e -mmultiple -DTEXT_BASE=0x00020000 -I/home/zl/ELDK-dir/usr/src/u-boot/board -Wall -Wstrict-prototypes -g -Os -fPIC -ffixed-r14 -meabi -D__KERNEL__ -DTEXT_BASE=0x00020000 -I/home/zl/ELDK-dir/usr/src/u-boot/include -fno-builtin -ffreestanding -nostdinc -isystem /home/zl/ELDK-dir/usr/bin/../lib/gcc-lib/ppc-linux/3.2.2/include -pipe -DCONFIG_PPC -D__powerpc__ -DCONFIG_MPC5xxx -ffixed-r2 -ffixed-r29 -mstring -mcpu=603e -mmultiple -DTEXT_BASE=0x00020000 -I/home/zl/ELDK-dir/usr/src/u-boot/board -I.. -Bstatic -T /home/zl/ELDK-dir/usr/src/u-boot/board/icecube/u-boot.lds -Ttext 0x00020000 -n hello_world.c -o hello_world ppc-linux-gcc: 0x00020000: No such file or directory /home/zl/ELDK-dir/usr/bin/../lib/gcc-lib/ppc-linux/3.2.2/../../../../ppc-linux/bin/as: option `-n' is ambiguous make[1]: *** [hello_world] Error 2 make[1]: Leaving directory `/home/zl/ELDK-dir/usr/src/u-boot/examples' make: *** [examples] Error 2 [root@198 u-boot]# Any one can help? Thanks in advance! Best regards, zhonglei