nios2-elf-gcc: command not found

Hello All !

this is error message when make romfs :

.......

romfs-inst.sh -e CONFIG_USER_FLATFSD_FLATFSD -e CONFIG_USER_TINYLOGIN_S HADOWPASSWDS -s config/shadow /etc/shadow

for i in uClibc /home/vietluong/uClinux-dist/prop ; do

[ ! -d $i ] || make -C $i romfs || exit $? ;

done

/bin/sh: nios2-elf-gcc: command not found

/bin/sh: nios2-elf-gcc: command not found

/bin/sh: nios2-elf-gcc: command not found

make[2]: Entering directory `/home/vietluong/uClinux-dist/uClibc'

[ -e /home/vietluong/uClinux-dist/romfs/lib ] || mkdir /home/vietluong/ uClinux-dist/romfs/lib

/bin/sh: nios2-elf-gcc: command not found

if [ "" ]; then

romfs-inst.sh /lib/lib.so;

fi

make[2]: Leaving directory `/home/vietluong/uClinux-dist/uClibc'

make[1]: Leaving directory `/home/vietluong/uClinux-dist/lib'

make[1]: Entering directory `/home/vietluong/uClinux-dist/include'

make[1]: Nothing to be done for `romfs'.

make[1]: Leaving directory `/home/vietluong/uClinux-dist/include'

make[1]: Entering directory `/home/vietluong/uClinux-dist/user'

for i in boa busybox cgi_generic dhcpcd-new ftp games inetd init sash t elnetd /home/vietluong/uClinux-dist/prop ; do

[ ! -d $i ] || make -C $i romfs || exit $? ;

done

make[2]: Entering directory `/home/vietluong/uClinux-dist/user/boa'

for i in src ; do make -C $i romfs || exit ; done

make[3]: Entering directory `/home/vietluong/uClinux-dist/user/boa/src'

romfs-inst.sh /bin/boa

cp: cannot stat `boa': No such file or directory

make[3]: *** [romfs] Error 1

make[3]: Leaving directory `/home/vietluong/uClinux-dist/user/boa/src'

make[2]: *** [romfs] Error 2

make[2]: Leaving directory `/home/vietluong/uClinux-dist/user/boa'

make[1]: *** [romfs] Error 2

make[1]: Leaving directory `/home/vietluong/uClinux-dist/user'

make: *** [romfs.subdirs] Error 1

PLEAPLE HELP ME !