core/mesa/mesa-8.0.3-r1.smage2

# $Id$

PNAME="mesa"
PVER="8.0.3"
PBUILD="r1"

SPLIT_PACKAGES="mesa"

PCAT="media-libs"

HOMEPAGE="http://mesa3d.sourceforge.net/"

MESA_DEPEND=">= dev-libs/expat-2
	>= x11-libs/libX11-1.4
	>= x11-libs/libXext-1.3
	>= x11-libs/libXxf86vm-1.1
	>= x11-libs/libXi-1.4
	>= x11-libs/libXmu-1.1
	>= x11-libs/libdrm-2.4.37
	>= x11-libs/libICE-1
	>= x11-base/opengl-update-magellan-2.2.18
	>= x11-libs/libxcb-1
	>= x11-libs/libXfixes-5
	>= x11-libs/libXdamage-1
	>= x11-libs/libvdpau-0.4.1
	>= sys-libs/libstdc++-4.7
	>= sys-fs/udev-185"
#	>= x11-libs/libva-1.0.15

MESA_PROGS_DEPEND=">= virtual/glut"

SDEPEND="${MESA_DEPEND}
	${MESA_PROGS_DEPEND}
	>= dev-util/pkgconfig-0.25
	>= x11-misc/makedepend-1
	>= x11-proto/xf86vidmodeproto-2.3
	>= x11-libs/libXxf86vm-1.1
	>= x11-proto/glproto-1.4.12
	>= x11-proto/inputproto-2
	>= x11-proto/xextproto-7.2
	>= x11-proto/xf86driproto-2.1
	>= x11-proto/dri2proto-2.3
	>= x11-proto/xcb-proto-1.6
	>= x11-proto/xproto-7
	>= x11-proto/fixesproto-5
	>= x11-proto/damageproto-1.2
	>= dev-lang/python-2.7
	>= sys-dev/llvm-3.1"

# must be set before the include of multilib!
EMUL_LINUX_32=true
sminclude xorg mtools multilib

# must be set *after* the include of xorg!
SRCFILE="MesaLib-${PVER/_/-}.tar.bz2"
# libs SRCDIR
SRCDIR="${BUILDDIR}/Mesa-${PVER/_/-}"

# 	known drivers:
# dri:		dri-swrast,dri-i915,dri-i965,dri-r200,dri-radeon,dri-i810,dri-mach64,dri-mga,
#				dri-r128,dri-r300,dri-r600,dri-savage,dri-sis,dri-tdfx,dri-unichrome
# gallium:	gallium-i915,gallium-i965,gallium-r300,gallium-r600,gallium-vmwgfx,gallium-swrast,gallium-nouveau
# gallium-nouveau not supported with >=libdrm-2.3.34 atm, nouveau_bo.h is missing
MESA_DRIVERS="dri-swrast,dri-i915,dri-i965,dri-r200,dri-radeon"
MESA_DRIVERS+=",gallium-i915,gallium-r300,gallium-r600,gallium-vmwgfx,gallium-swrast"

# helper functions
driver_enabled()
{
	local driver="$1"

	if [[ ${MESA_DRIVERS//${driver}} != ${MESA_DRIVERS} ]]
	then
		return 0
	else
		return 1
	fi
}

add_dri_driver()
{
	local driver="$1"

	if [[ -z ${MESA_DRI_DRIVERS} ]]
	then
		MESA_DRI_DRIVERS="${driver}"
	elif [[ ${MESA_DRI_DRIVERS//${driver}} = ${MESA_DRI_DRIVERS} ]]
	then
		MESA_DRI_DRIVERS+=",${driver}"
	fi
}

add_gallium_driver()
{
	local driver="$1"

	if [[ -z ${MESA_GALLIUM_DRIVERS} ]]
	then
		MESA_GALLIUM_DRIVERS="${driver}"
	elif [[ ${MESA_GALLIUM_DRIVERS//${driver}} = ${MESA_GALLIUM_DRIVERS} ]]
	then
		MESA_GALLIUM_DRIVERS+=",${driver}"
	fi
}

SRC_URI=(
	ftp://ftp.freedesktop.org/pub/mesa/${PVER%_*}/${SRCFILE}
	#sourceforge://mesa3d/${SRCFILE}
	mirror://${PNAME}/${SRCFILE}
	mirror://${PNAME}/libGLU.la
	mirror://${PNAME}/libGL.la
	mirror://${PNAME}/${PNAME}-8.0.2-multilib.patch
	mirror://${PNAME}/${PNAME}-8.0.3-llvm31.patch
)

UP2DATE="updatecmd ftp://ftp.freedesktop.org/pub/mesa/current | lasttarball"

split_info_mesa()
{
	DESCRIPTION="Mesa3D OpenGL graphics library."
	DEPEND="${MESA_DEPEND}"

	PROVIDE="virtual/opengl"
}

if driver_enabled dri-swrast
then
	SPLIT_PACKAGES+=" mesa-dri-swrast"
	add_dri_driver swrast

	split_info_mesa-dri-swrast()
	{
		DESCRIPTION="Mesa Software Raster DRI driver."
		DEPEND="== ${PCAT}/mesa-${PVER}"
	}
fi

if driver_enabled dri-i810
then
	SPLIT_PACKAGES+=" mesa-dri-i810"
	add_dri_driver i810

	split_info_mesa-dri-i810()
	{
		DESCRIPTION="Mesa Intel i810 DRI driver."
		DEPEND="== ${PCAT}/mesa-${PVER}"
	}
fi

if driver_enabled dri-i915
then
	SPLIT_PACKAGES+=" mesa-dri-i915"
	add_dri_driver i915

	split_info_mesa-dri-i915()
	{
		DESCRIPTION="Mesa Intel i915 DRI driver."
		DEPEND="== ${PCAT}/mesa-${PVER}"
	}
fi

if driver_enabled dri-i965
then
	SPLIT_PACKAGES+=" mesa-dri-i965"
	add_dri_driver i965

	split_info_mesa-dri-i965()
	{
		DESCRIPTION="Mesa Intel i965 DRI driver."
		DEPEND="== ${PCAT}/mesa-${PVER}"
	}
fi

if driver_enabled dri-mach64
then
	SPLIT_PACKAGES+=" mesa-dri-mach64"
	add_dri_driver mach64

	split_info_mesa-dri-mach64()
	{
		DESCRIPTION="Mesa ATI mach64 DRI driver."
		DEPEND="== ${PCAT}/mesa-${PVER}"
	}
fi

if driver_enabled dri-mga
then
	SPLIT_PACKAGES+=" mesa-dri-mga"
	add_dri_driver mga

	split_info_mesa-dri-mga()
	{
		DESCRIPTION="Mesa Matrox mga DRI driver."
		DEPEND="== ${PCAT}/mesa-${PVER}"
	}
fi

if driver_enabled dri-r128
then
	SPLIT_PACKAGES+=" mesa-dri-r128"
	add_dri_driver r128

	split_info_mesa-dri-r128()
	{
		DESCRIPTION="Mesa ATI Rage128 DRI driver."
		DEPEND="== ${PCAT}/mesa-${PVER}"
	}
fi

if driver_enabled dri-r200
then
	SPLIT_PACKAGES+=" mesa-dri-r200"
	add_dri_driver r200

	split_info_mesa-dri-r200()
	{
		DESCRIPTION="Mesa ATI Radeon r200 DRI driver."
		DEPEND="== ${PCAT}/mesa-${PVER}"
	}
fi

if driver_enabled dri-r300
then
	SPLIT_PACKAGES+=" mesa-dri-r300"
	add_dri_driver r300

	split_info_mesa-dri-r300()
	{
		DESCRIPTION="Mesa ATI Radeon r300 DRI driver."
		DEPEND="== ${PCAT}/mesa-${PVER}"
	}
fi

if driver_enabled dri-r600
then
	SPLIT_PACKAGES+=" mesa-dri-r600"
	add_dri_driver r600

	split_info_mesa-dri-r600()
	{
		DESCRIPTION="Mesa ATI Radeon r600 DRI driver."
		DEPEND="== ${PCAT}/mesa-${PVER}"
	}
fi

if driver_enabled dri-radeon
then
	SPLIT_PACKAGES+=" mesa-dri-radeon"
	add_dri_driver radeon

	split_info_mesa-dri-radeon()
	{
		DESCRIPTION="Mesa ATI Radeon generic DRI driver."
		DEPEND="== ${PCAT}/mesa-${PVER}"
	}
fi

if driver_enabled dri-savage
then
	SPLIT_PACKAGES+=" mesa-dri-savage"
	add_dri_driver savage

	split_info_mesa-dri-savage()
	{
		DESCRIPTION="Mesa S3 Savage DRI driver."
		DEPEND="== ${PCAT}/mesa-${PVER}"
	}
fi

if driver_enabled dri-sis
then
	SPLIT_PACKAGES+=" mesa-dri-sis"
	add_dri_driver sis

	split_info_mesa-dri-sis()
	{
		DESCRIPTION="Mesa SIS generic DRI driver."
		DEPEND="== ${PCAT}/mesa-${PVER}"
	}
fi

if driver_enabled dri-tdfx
then
	SPLIT_PACKAGES+=" mesa-dri-tdfx"
	add_dri_driver tdfx

	split_info_mesa-dri-tdfx()
	{
		DESCRIPTION="Mesa 3DFX Voodoo DRI driver."
		DEPEND="== ${PCAT}/mesa-${PVER}"
	}
fi

if driver_enabled dri-unichrome
then
	SPLIT_PACKAGES+=" mesa-dri-unichrome"
	add_dri_driver unichrome

	split_info_mesa-dri-unichrome()
	{
		DESCRIPTION="Mesa VIA Chrome DRI driver."
		DEPEND="== ${PCAT}/mesa-${PVER}"
	}
fi

if driver_enabled gallium-i915
then
	SPLIT_PACKAGES+=" mesa-gallium-i915"
	add_gallium_driver i915

	split_info_mesa-gallium-i915()
	{
		DESCRIPTION="Mesa Intel i915 Gallium driver."
		DEPEND="== ${PCAT}/mesa-${PVER}"
	}
fi

if driver_enabled gallium-i965
then
	SPLIT_PACKAGES+=" mesa-gallium-i965"
	add_gallium_driver i965

	split_info_mesa-gallium-i965()
	{
		DESCRIPTION="Mesa Intel i965 Gallium driver."
		DEPEND="== ${PCAT}/mesa-${PVER}"
	}
fi

if driver_enabled gallium-nouveau
then
	SPLIT_PACKAGES+=" mesa-gallium-nouveau"
	add_gallium_driver nouveau

	split_info_mesa-gallium-nouveau()
	{
		DESCRIPTION="Mesa Nvidia Nouveau Gallium driver."
		DEPEND="== ${PCAT}/mesa-${PVER}"
	}
fi

if driver_enabled gallium-r300
then
	SPLIT_PACKAGES+=" mesa-gallium-r300"
	add_gallium_driver r300

	split_info_mesa-gallium-r300()
	{
		DESCRIPTION="Mesa Ati Radeon r300 Gallium driver."
		DEPEND="== ${PCAT}/mesa-${PVER}"
	}
fi

if driver_enabled gallium-r600
then
	SPLIT_PACKAGES+=" mesa-gallium-r600"
	add_gallium_driver r600

	split_info_mesa-gallium-r600()
	{
		DESCRIPTION="Mesa Ati Radeon r600 Gallium driver."
		DEPEND="== ${PCAT}/mesa-${PVER}"
	}
fi

if driver_enabled gallium-swrast
then
	SPLIT_PACKAGES+=" mesa-gallium-swrast"
	add_gallium_driver swrast

	split_info_mesa-gallium-swrast()
	{
		DESCRIPTION="Mesa Software Raster Gallium driver."
		DEPEND="== ${PCAT}/mesa-${PVER}"
	}
fi

if driver_enabled gallium-vmwgfx
then
	SPLIT_PACKAGES+=" mesa-gallium-vmwgfx"
	add_gallium_driver svga

	split_info_mesa-gallium-vmwgfx()
	{
		DESCRIPTION="Mesa Vmware generic Gallium driver."
		DEPEND="== ${PCAT}/mesa-${PVER}"
	}
fi

src_prepare()
{
	munpack ${SRCFILE} || die

	# fix multilib ftbfs
	mpatch ${PNAME}-8.0.2-multilib.patch || die

	# fix ftbfs with llvm-3.1
	mpatch ${PNAME}-8.0.3-llvm31.patch || die

	# no debug code in the drives (gentoo)
	all-abis 'find src/mesa/drivers/dri -name *.[hc] -exec egrep -l "\#define\W+DO_DEBUG\W+1" {} \; | xargs --no-run-if-empty sed -i -re "s/\#define\W+DO_DEBUG\W+1/\#define DO_DEBUG 0/" ;'

	# get rid of glut includes
	all-abis rm -f include/GL/glut*h || die

	# fix an error in the libva detection
#	all-abis 'sed -i "s:libva = 0.31.1:libva >= 0.31.1:" configure.ac' || die

	mautoreconf || die
}

src_compile()
{
	# svga=vmwgfx
	mconfigure \
		--with-driver=dri \
		--with-dri-driverdir=/usr/'$(mlibdir)'/dri \
		--with-dri-drivers=${MESA_DRI_DRIVERS} \
		--with-gallium-drivers=${MESA_GALLIUM_DRIVERS} \
		--disable-debug \
		--enable-glx-tls \
		--enable-asm \
		--enable-shared-glapi \
		--enable-shared-dricore \
		--enable-egl \
		--enable-gles1 \
		--enable-gles2 \
		--enable-xa \
		--enable-gallium-egl \
		--enable-gallium-llvm \
		--enable-vdpau \
		|| die
#		--enable-va \

	# only build software renderer on multilib arches
	if [[ ${ARCH} = x86_64 ]]
	then
		only-m32 "echo 'DRI_DIRS =' >> configs/autoconf" || die
	fi

	mmake -j1 || die
}

src_install_mesa()
{
	mmake DESTDIR=${BINDIR} install || die

#	# missing gl headers
#	minstallfile src/glw/GLwDrawA.h /usr/include/GL || die
#
#	# remove private headers
#	rm -f ${BINDIR}/usr/include/GL/GLw*P.h || die

	for abi in ${MULTILIB_ABIS}
	do
		[[ ${abi} = m32 ]] && ABI_LIBDIR="lib"
		[[ ${abi} = m64 ]] && ABI_LIBDIR="lib64"
		cd ${SRCDIR}-${abi}

		# fix opengl-symlinks
		# first remove invalid symlinks
		find ${BINDIR}/usr/$(mlibdir) -name libGL\.* -type l | xargs rm -f
		# now create required opengl-symlinks
		mlink libGL.so.1.2 /usr/$(mlibdir)/libGL.so || die
		mlink libGL.so.1.2 /usr/$(mlibdir)/libGL.so.1 || die

		# now setup dynamic opengl
		minstalldir /usr/$(mlibdir)/opengl/xorg/lib || die
		minstalldir /usr/$(mlibdir)/opengl/xorg/extensions || die
		minstalldir /usr/$(mlibdir)/opengl/xorg/include || die

		local x
		for x in ${BINDIR}/usr/$(mlibdir)/libGL.so* \
			${BINDIR}/usr/$(mlibdir)/libGL.la \
			${BINDIR}/usr/$(mlibdir)/libGL.a
		do
			if [ -f ${x} -o -L ${x} ]
			then
				# libGL.a cause problems with tuxracer, etc
				mv -f ${x} ${BINDIR}/usr/$(mlibdir)/opengl/xorg/lib || die "${x}"
			fi
		done
		for x in ${BINDIR}/usr/include/GL/{gl.h,glx.h,glext.h,glxext.h}
		do
			if [ -f ${x} -o -L ${x} ]
			then
				mv -f ${x} ${BINDIR}/usr/$(mlibdir)/opengl/xorg/include || die "${x}"
			fi
		done

		# satisfy libtool
		minstallfile -s libGLU.la /usr/$(mlibdir) || die
		minstallfile -s libGL.la /usr/$(mlibdir)/opengl/xorg/lib || die

		# fix libdir on 64bit arches
		if [[ $(mlibdir) != lib ]]
		then
			sed -i "s:/usr/lib:/usr/$(mlibdir):g" ${BINDIR}/usr/$(mlibdir)/libGLU.la || die
			sed -i "s:/usr/lib:/usr/$(mlibdir):g" ${BINDIR}/usr/$(mlibdir)/opengl/xorg/lib/libGL.la || die
		fi

		# create the two-number versioned libs (.so.#.#), since only .so.# and
		# .so.#.#.# were made
		local x
#		for x in ${BINDIR}/usr/$(mlibdir)/libGLU.so.*.*.* \
#			${BINDIR}/usr/$(mlibdir)/libGLw.so.*.*.*
		for x in ${BINDIR}/usr/$(mlibdir)/libGLU.so.*.*.*
		do
			local lib_name_dot3="$(basename $(ls ${x}))"
			local lib_name_dot2="${lib_name_dot3%.*}"
			local lib_name_dot1="${lib_name_dot2%.*}"
			local lib_name_dot0="${lib_name_dot1%.*}"
			mlink ${lib_name_dot3} /usr/$(mlibdir)/${lib_name_dot2} || die "${x}"
			mlink ${lib_name_dot3} /usr/$(mlibdir)/${lib_name_dot1} || die "${x}"
			mlink ${lib_name_dot3} /usr/$(mlibdir)/${lib_name_dot0} || die "${x}"
		done

		# export LIBGL_DRIVER_PATH location.
		# we are using '/usr/lib/dri' as hardcoded location.
		# but nvidia and ati are using '/usr/$(mlibdir)/xorg/modules/dri'
		# LIBGL_DRIVER_PATH overwrites the hardcoded location and
		# if nvidia or ati driver are installed
		# the dri modules will never be found by libGL
		# use "LIBGL_DEBUG=verbose glxinfo" to check this issue
		minstalldir /etc/env.d || die
		MCONFIG=/etc/env.d/09mesa-${abi}
		mclearconfig || die
		maddconfig "LIBGL_DRIVERS_PATH=/usr/$(mlibdir)/dri" || die

		# remove dri-drivers, they are in extra packages
		rm -r ${BINDIR}/usr/$(mlibdir)/dri/*_dri.so || die
	done
}

if driver_enabled dri-swrast
then
	src_install_mesa-dri-swrast()
	{
		mmake -C src/mesa/drivers/dri/swrast DESTDIR=${BINDIR} install || die
		setup_dynamic_dri classic || die
	}
fi

if driver_enabled dri-i810
then
	src_install_mesa-dri-i810()
	{
		mmake -C src/mesa/drivers/dri/i810 DESTDIR=${BINDIR} install || die
		setup_dynamic_dri classic || die
	}
fi

if driver_enabled dri-i915
then
	src_install_mesa-dri-i915()
	{
		mmake -C src/mesa/drivers/dri/i915 DESTDIR=${BINDIR} install || die
		setup_dynamic_dri classic || die
	}
fi

if driver_enabled dri-i965
then
	src_install_mesa-dri-i965()
	{
		mmake -C src/mesa/drivers/dri/i965 DESTDIR=${BINDIR} install || die
		setup_dynamic_dri classic || die
	}
fi

if driver_enabled dri-mach64
then
	src_install_mesa-dri-mach64()
	{
		mmake -C src/mesa/drivers/dri/mach64 DESTDIR=${BINDIR} install || die
		setup_dynamic_dri classic || die
	}
fi

if driver_enabled dri-mga
then
	src_install_mesa-dri-mga()
	{
		mmake -C src/mesa/drivers/dri/mga DESTDIR=${BINDIR} install || die
		setup_dynamic_dri classic || die
	}
fi

if driver_enabled dri-r128
then
	src_install_mesa-dri-r128()
	{
		mmake -C src/mesa/drivers/dri/r128 DESTDIR=${BINDIR} install || die
		setup_dynamic_dri classic || die
	}
fi

if driver_enabled dri-r200
then
	src_install_mesa-dri-r200()
	{
		mmake -C src/mesa/drivers/dri/r200 DESTDIR=${BINDIR} install || die
		setup_dynamic_dri classic || die
	}
fi

if driver_enabled dri-r300
then
	src_install_mesa-dri-r300()
	{
		mmake -C src/mesa/drivers/dri/r300 DESTDIR=${BINDIR} install || die
		setup_dynamic_dri classic || die
	}
fi

if driver_enabled dri-r600
then
	src_install_mesa-dri-r600()
	{
		mmake -C src/mesa/drivers/dri/r600 DESTDIR=${BINDIR} install || die
		setup_dynamic_dri classic || die
	}
fi

if driver_enabled dri-radeon
then
	src_install_mesa-dri-radeon()
	{
		mmake -C src/mesa/drivers/dri/radeon DESTDIR=${BINDIR} install || die
		setup_dynamic_dri classic || die
	}
fi

if driver_enabled dri-savage
then
	src_install_mesa-dri-savage()
	{
		mmake -C src/mesa/drivers/dri/savage DESTDIR=${BINDIR} install || die
		setup_dynamic_dri classic || die
	}
fi

if driver_enabled dri-sis
then
	src_install_mesa-dri-sis()
	{
		mmake -C src/mesa/drivers/dri/sis DESTDIR=${BINDIR} install || die
		setup_dynamic_dri classic || die
	}
fi

if driver_enabled dri-tdfx
then
	src_install_mesa-dri-tdfx()
	{
		mmake -C src/mesa/drivers/dri/tdfx DESTDIR=${BINDIR} install || die
		setup_dynamic_dri classic || die
	}
fi

if driver_enabled dri-unichrome
then
	src_install_mesa-dri-unichrome()
	{
		mmake -C src/mesa/drivers/dri/unichrome DESTDIR=${BINDIR} install || die
		setup_dynamic_dri classic || die
	}
fi

if driver_enabled gallium-i915
then
	src_install_mesa-gallium-i915()
	{
		mmake -C src/gallium/targets/dri-i915 DESTDIR=${BINDIR} install || die
		setup_dynamic_dri gallium || die
	}
fi

if driver_enabled gallium-i965
then
	src_install_mesa-gallium-i965()
	{
		mmake -C src/gallium/targets/dri-i965 DESTDIR=${BINDIR} install || die
		setup_dynamic_dri gallium || die
	}
fi

if driver_enabled gallium-nouveau
then
	src_install_mesa-gallium-nouveau()
	{
		mmake -C src/gallium/targets/dri-nouveau DESTDIR=${BINDIR} install || die
		setup_dynamic_dri gallium || die
	}
fi

if driver_enabled gallium-r300
then
	src_install_mesa-gallium-r300()
	{
		mmake -C src/gallium/targets/dri-r300 DESTDIR=${BINDIR} install || die
		setup_dynamic_dri gallium || die
	}
fi

if driver_enabled gallium-r600
then
	src_install_mesa-gallium-r600()
	{
		mmake -C src/gallium/targets/dri-r600 DESTDIR=${BINDIR} install || die
		setup_dynamic_dri gallium || die
	}
fi

if driver_enabled gallium-swrast
then
	src_install_mesa-gallium-swrast()
	{
		mmake -C src/gallium/targets/dri-swrast DESTDIR=${BINDIR} install || die
		setup_dynamic_dri gallium || die
	}
fi

if driver_enabled gallium-vmwgfx
then
	src_install_mesa-gallium-vmwgfx()
	{
		mmake -C src/gallium/targets/dri-vmwgfx DESTDIR=${BINDIR} install || die
		setup_dynamic_dri gallium || die
	}
fi

# setup_dynamic_dri $impl
# impl may be classic or gallium atm
setup_dynamic_dri()
{
	local impl="$1"
	local i
	local abi

	[[ -z ${impl} ]] && die "missing dri implementation!"
	case ${impl} in
		classic|gallium) ;;
		*) die "unkown dri implementation '${impl}'!" ;;
	esac

	echo "settin up dynamic dri for a '${impl} implementation..."
	if [[ -z ${MULTILIB_ABIS} ]]
	then
		minstalldir /usr/$(mlibdir)/mesa/${impl} || die
		for i in ${BINDIR}/usr/$(mlibdir)/dri/*_dri.so
		do
			echo -n "  processing ${i}:"
			if [ -f ${i} -o -L ${i} ]
			then
				echo -n " moving"
				mv -vf ${i} ${BINDIR}/usr/$(mlibdir)/mesa/${impl} || die "moving ${i}"
			fi
		done
	else
		for abi in ${MULTILIB_ABIS}
		do
			[[ ${abi} = m32 ]] && ABI_LIBDIR="lib"
			[[ ${abi} = m64 ]] && ABI_LIBDIR="lib64"

			minstalldir /usr/$(mlibdir)/mesa/${impl} || die
			for i in ${BINDIR}/usr/$(mlibdir)/dri/*_dri.so
			do
				echo -n "  processing ${i}"
				if [ -f ${i} -o -L ${i} ]
				then
					echo -n " moving"
					mv -vf ${i} ${BINDIR}/usr/$(mlibdir)/mesa/${impl} || die "moving ${i}"
				fi
				echo " done"
			done
		done
	fi
}

postinstall_mesa()
{
	${MROOT}/usr/sbin/opengl-update --use-old xorg
}

if driver_enabled dri-swrast
then
	postinstall_mesa-dri-swrast()
	{
		${MROOT}/usr/sbin/dri-update --use-old classic
	}
fi

if driver_enabled dri-i810
then
	postinstall_mesa-dri-i810()
	{
		${MROOT}/usr/sbin/dri-update --use-old classic
	}
fi

if driver_enabled dri-i915
then
	postinstall_mesa-dri-i915()
	{
		${MROOT}/usr/sbin/dri-update --use-old classic
	}
fi

if driver_enabled dri-i965
then
	postinstall_mesa-dri-i965()
	{
		${MROOT}/usr/sbin/dri-update --use-old classic
	}
fi

if driver_enabled dri-mach64
then
	postinstall_mesa-dri-mach64()
	{
		${MROOT}/usr/sbin/dri-update --use-old classic
	}
fi

if driver_enabled dri-mga
then
	postinstall_mesa-dri-mga()
	{
		${MROOT}/usr/sbin/dri-update --use-old classic
	}
fi

if driver_enabled dri-r128
then
	postinstall_mesa-dri-r128()
	{
		${MROOT}/usr/sbin/dri-update --use-old classic
	}
fi

if driver_enabled dri-r200
then
	postinstall_mesa-dri-r200()
	{
		${MROOT}/usr/sbin/dri-update --use-old classic
	}
fi

if driver_enabled dri-r300
then
	postinstall_mesa-dri-r300()
	{
		${MROOT}/usr/sbin/dri-update --use-old classic
	}
fi

if driver_enabled dri-r600
then
	postinstall_mesa-dri-r600()
	{
		${MROOT}/usr/sbin/dri-update --use-old classic
	}
fi

if driver_enabled dri-radeon
then
	postinstall_mesa-dri-radeon()
	{
		${MROOT}/usr/sbin/dri-update --use-old classic
	}
fi

if driver_enabled dri-savage
then
	postinstall_mesa-dri-savage()
	{
		${MROOT}/usr/sbin/dri-update --use-old classic
	}
fi

if driver_enabled dri-sis
then
	postinstall_mesa-dri-sis()
	{
		${MROOT}/usr/sbin/dri-update --use-old classic
	}
fi

if driver_enabled dri-tdfx
then
	postinstall_mesa-dri-tdfx()
	{
		${MROOT}/usr/sbin/dri-update --use-old classic
	}
fi

if driver_enabled dri-unichrome
then
	postinstall_mesa-dri-unichrome()
	{
		${MROOT}/usr/sbin/dri-update --use-old classic
	}
fi

if driver_enabled gallium-i915
then
	postinstall_mesa-gallium-i915()
	{
		${MROOT}/usr/sbin/dri-update --use-old gallium
	}
fi

if driver_enabled gallium-i965
then
	postinstall_mesa-gallium-i965()
	{
		${MROOT}/usr/sbin/dri-update --use-old gallium
	}
fi

if driver_enabled gallium-nouveau
then
	postinstall_mesa-gallium-nouveau()
	{
		${MROOT}/usr/sbin/dri-update --use-old gallium
	}
fi

if driver_enabled gallium-r300
then
	postinstall_mesa-gallium-r300()
	{
		${MROOT}/usr/sbin/dri-update --use-old gallium
	}
fi

if driver_enabled gallium-r600
then
	postinstall_mesa-gallium-r600()
	{
		${MROOT}/usr/sbin/dri-update --use-old gallium
	}
fi

if driver_enabled gallium-swrast
then
	postinstall_mesa-gallium-swrast()
	{
		${MROOT}/usr/sbin/dri-update --use-old gallium
	}
fi

if driver_enabled gallium-vmwgfx
then
	postinstall_mesa-gallium-vmwgfx()
	{
		${MROOT}/usr/sbin/dri-update --use-old gallium
	}
fi