help!!i want video-radeonhd driver ,but i can't compile it from source.

[燃?的?密? <lufeng369@xxxxxxxxx>]

this is my receipt.. it's modify from xorg-xf86-video-ati
==================================================================
# SliTaz package receipt.

PACKAGE="xorg-xf86-video-radeonhd"
VERSION="1.3.0"
CATEGORY="x-window"
SHORT_DESC="Xorg server ATI Radeon HD driver."
MAINTAINER="lufeng369@xxxxxxxxxx"
DEPENDS="xorg xorg-server"
BUILD_DEPENDS="xorg-server xorg-xproto xorg-fontsproto"
SOURCE="xf86-video-radeonhd"
TARBALL="$SOURCE-$VERSION.tar.gz"
WEB_SITE="http://www.x.org/"
WGET_URL="$XORG_MIRROR/driver/$TARBALL"

# Rules to configure and make the package.
compile_rules()
{
    cd $src
    ./configure \
        --prefix=/usr \
        --sysconfdir=/etc \
        --mandir=/usr/share/man \
        --localstatedir=/var \
        --with-xorg-module-dir=/usr/lib/X11/modules \
        $CONFIGURE_ARGS &&
    make &&
    make DESTDIR=$PWD/_pkg install
}

# Rules to gen a SliTaz package suitable for Tazpkg.
genpkg_rules()
{
    mkdir -p $fs/usr/lib/X11/modules/drivers/
    cp -a $_pkg/usr/lib/X11/modules/drivers/*.so \
        $fs/usr/lib/X11/modules/drivers/
}
==========================================================
those were error output when compiling:
==================================
checking for XORG... configure: error: Package requirements (xorg-server xproto fontsproto ) were not met:

No package 'xorg-server' found
==============================
how can i get the radeonhd driver...who can help me..