哇，使用了2.6.31+KMS+mesa-git+xf86-video-ati，cairo-dock可以使用opengl模式了

pkgbase="mesa-git"
pkgname=('mesa-git' 'libgl-git' 'ati-dri-git')
pkgver=20090919
pkgrel=1
arch=(i686 x86_64)
license=('custom')
makedepends=('glproto' 'pkgconfig' 'libdrm>=2.4.12' 'libxxf86vm' 'libxdamage' 'expat>=2.0.1' 'libx11>=1.2.2' 'libxt' 'gcc-libs' 'dri2proto=2.1')
options=('!libtool' 'ccache')
url="http://mesa3d.sourceforge.net"

_gitroot="git://anongit.freedesktop.org/mesa/mesa"
_gitname="mesa"

build() {
 cd "$srcdir"
 msg "Connecting to GIT server...."

 if [ -d $_gitname ] ; then
 cd $_gitname && git pull origin
 msg "The local files are updated."
 else
 git clone $_gitroot $_gitname
 #msg2 "Fetching sources..."
 #cd $_gitname
 #git checkout --track -b radeon-rewrite origin/radeon-rewrite
 fi
 
 msg2 "Preparing..."
 rm -rf $srcdir/$_gitname-build
 cp -rf $srcdir/$_gitname $srcdir/$_gitname-build
 cd $srcdir/$_gitname-build
 
 msg2 "Starting make..."
 unset MAKEFLAGS
 msg2 "add patch..."
 patch -Np1 -i "${startdir}/mesa-7.1-link-shared.patch" || return 1
 ./autogen.sh --prefix=/usr \
 --with-dri-driverdir=/usr/lib/xorg/modules/dri \
 --with-dri-drivers=swrast,radeon,r200,r300,r600 \
 --enable-gallium --enable-gallium-radeon --enable-gl-osmesa \
 --enable-glx-tls \
 --with-driver=dri \
 --enable-xcb \
 --disable-glut || return 1
 make || return 1
}

package_libgl-git() {
 depends=('libdrm>=2.4.12' 'libxxf86vm' 'libxdamage' 'expat>=2.0.1')
 pkgdesc="Mesa 3-D graphics library and DRI software rasterizer"
 provides=("libgl=7.5" "libgl=7.6" 'libgl')
 conflicts=('libgl')

 cd $srcdir/$_gitname-build || return 1
 install -m755 -d "${pkgdir}/usr/lib" || return 1
 install -m755 -d "${pkgdir}/usr/lib/xorg/modules/extensions"

 bin/minstall lib/libGL.so* "${pkgdir}/usr/lib/" || return 1

 cd src/mesa/drivers/dri
 make -C swrast DESTDIR="${pkgdir}" install || return 1
 install -m755 libdricore.so "${pkgdir}/usr/lib/xorg/modules/dri/"
 ln -s libglx.xorg "${pkgdir}/usr/lib/xorg/modules/extensions/libglx.so" || return 1

 install -Dm644 "${startdir}/LICENSE" "${pkgdir}/usr/share/licenses/libgl/LICENSE" || return 1
}

package_mesa-git() {
 depends=('libgl' 'libx11>=1.2.2' 'libxt' 'gcc-libs>=4.4.1' 'dri2proto=2.1' 'libdrm>=2.4.12')
 pkgdesc="Mesa 3-D graphics libraries and include files"
 provides=("mesa=7.5" "mesa=7.6" 'mesa')
 conflicts=('mesa')

 cd $srcdir/$_gitname-build || return 1
 make DESTDIR="${pkgdir}" install || return 1
 install -m755 -d "${pkgdir}/usr/bin"
 install -m755 progs/xdemos/glx{gears,info} "${pkgdir}/usr/bin/" || return 1

 rm -f "${pkgdir}/usr/lib/libGL.so"*
 rm -rf "${pkgdir}/usr/lib/xorg"

 #cd "${srcdir}/gl-manpages-1.0.1" || return 1
 #make DESTDIR="${pkgdir}" install || return 1

 install -Dm644 "${startdir}/LICENSE" "${pkgdir}/usr/share/licenses/mesa/LICENSE" || return 1
}

package_ati-dri-git() {
 depends=("libgl")
 pkgdesc="Mesa DRI drivers for AMD/ATI Radeon"
 provides=("ati-dri=7.5" "ati-dri=7.6" 'ati-dri')
 conflicts=('ati-dri' 'xf86-video-ati<6.9.0-6')

 cd "$srcdir/$_gitname-build/src/mesa/drivers/dri" || return 1
 make -C radeon DESTDIR="${pkgdir}" install || return 1
 make -C r200 DESTDIR="${pkgdir}" install || return 1
 make -C r300 DESTDIR="${pkgdir}" install || return 1
 make -C r600 DESTDIR="${pkgdir}" install || return 1
 
 cd $srcdir/$_gitname-build || return 1
 bin/minstall lib/gallium/EGL_r*.so* "${pkgdir}/usr/lib/xorg/modules/dri" || return 1
}