help~~~~~~~~~~~~~emerge 's qusetion

iceberg root # emerge -k kde
!!! ARCH is not set... Are you missing the /etc/make.profile symlink?
!!! Is the symlink correct? Is your portage tree complete?

why~~~~~~~~~~~~~~~~????????????????????

$ ls -l /etc/make.*
显示什么？
还有你的/etc/make.conf是怎样的？

make.conf
# These settings were set by the catalyst build script that automatically built this stage
# Please consult /etc/make.conf.example for a more detailed example
CFLAGS="-O2 -march=pentium4 -fomit-frame-pointer -pipe"
CHOST="i686-pc-linux-gnu"
CXXFLAGS="${CFLAGS}"
MAKEOPTS="-j2"
FEATURES="ccache"
CCACHE_SIZE="2G"
GENTOO_MIRRORS="ftp://distro.ibiblio.org/pub/linux/distributions/gentoo"
LINGUAS="zh_CN"
USE="glc -debug mmx nptl -3dnow -X alsa -bluetooth -canna cjk cups divx4linux -dvd -dvdr esd freetype gimp gimpprint gnome gtk gtk2 -ieee1394 -informix -innodb -isdn -jabber -joystick jpeg -kde mozilla -mysql opengl openssh -pcmcia -qt -quicktime -radeon -rage128 -sdk -3dfx samba truetype usb xvid"

ls -l /etc/make.*
-rw-r--r-- 1 root root 703 Sep 23 00:12 /etc/make.conf
-rw-r--r-- 1 root root 14349 Apr 13 2004 /etc/make.conf.example
-rw-r--r-- 1 root root 2669 Sep 26 03:01 /etc/make.globals
-rw-r--r-- 1 root root 2669 Apr 13 2004 /etc/make.globals~
lrwxrwxrwx 1 root root 42 Dec 1 06:00 /etc/make.profile -> ../usr/portage/profiles/default-x86-2004.2