build uclinux error

Thanks hippo, according to you ,when i execute the following command,

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cd ~

tar jxf uClinux-dist-test-20060511.tar.bz2

cd uClinux-dist-test

zcat uClinux-dist.diff.gz | patch -p0

make menuconfig

then emerging the following information in the termiinal:

[root@localhost uClinux-dist-test]# make menuconfig

config/mkconfig > config.in

make -C /home/wangdengke/uClinux-dist-test/config/scripts/lxdialog all

make[1]: Entering directory `/home/wangdengke/uClinux-dist-test/config/scripts/lxdialog'

/bin/sh: line 1: cc: command not found

>> Unable to find the Ncurses libraries.

>>

>> You must have Ncurses installed in order

>> to use 'make menuconfig'

make[1]: *** [ncurses] Error 1

make[1]: Leaving directory `/home/wangdengke/uClinux-dist-test/config/scripts/lxdialog'

make: *** [menuconfig] Error 2

[root@localhost uClinux-dist-test]#

pls see it ,help me!!!