path: root/x11-drivers/nvidia-drivers/nvidia-drivers-290.10.ebuild

# Copyright 1999-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/x11-drivers/nvidia-drivers/nvidia-drivers-290.10.ebuild,v 1.2 2011/12/16 08:47:09 ago Exp $

EAPI="2"

inherit eutils multilib versionator linux-mod flag-o-matic nvidia-driver

X86_NV_PACKAGE="NVIDIA-Linux-x86-${PV}"
AMD64_NV_PACKAGE="NVIDIA-Linux-x86_64-${PV}"
X86_FBSD_NV_PACKAGE="NVIDIA-FreeBSD-x86-${PV}"

DESCRIPTION="NVIDIA X11 driver and GLX libraries"
HOMEPAGE="http://www.nvidia.com/"
SRC_URI="x86? ( http://us.download.nvidia.com/XFree86/Linux-x86/${PV}/${X86_NV_PACKAGE}.run )
	 amd64? ( http://us.download.nvidia.com/XFree86/Linux-x86_64/${PV}/${AMD64_NV_PACKAGE}.run )
	 x86-fbsd? ( http://us.download.nvidia.com/XFree86/FreeBSD-x86/${PV}/${X86_FBSD_NV_PACKAGE}.tar.gz )"

LICENSE="NVIDIA"
SLOT="0"
KEYWORDS="-* amd64 ~x86 ~x86-fbsd"
IUSE="acpi custom-cflags gtk multilib kernel_linux"
RESTRICT="strip"
EMULTILIB_PKG="true"

COMMON="<x11-base/xorg-server-1.11.99
	kernel_linux? ( >=sys-libs/glibc-2.6.1 )
	multilib? ( app-emulation/emul-linux-x86-xlibs )
	>=app-admin/eselect-opengl-1.0.9
	!<media-video/nvidia-settings-256.52"
DEPEND="${COMMON}
	kernel_linux? ( virtual/linux-sources )"
RDEPEND="${COMMON}
	x11-libs/libXvMC
	acpi? ( sys-power/acpid )"
PDEPEND=">=x11-libs/libvdpau-0.3-r1
	gtk? ( media-video/nvidia-settings )"

QA_TEXTRELS_x86="
	usr/lib/libOpenCL.so.1.0.0
	usr/lib/libXvMCNVIDIA.so.${PV}
	usr/lib/libcuda.so.${PV}
	usr/lib/libnvcuvid.so.${PV}
	usr/lib/libnvidia-cfg.so.${PV}
	usr/lib/libnvidia-compiler.so.${PV}
	usr/lib/libnvidia-glcore.so.${PV}
	usr/lib/libnvidia-ml.so.${PV}
	usr/lib/libvdpau_nvidia.so.${PV}
	usr/lib/opengl/nvidia/extensions/libglx.so.${PV}
	usr/lib/opengl/nvidia/lib/libGL.so.${PV}
	usr/lib/opengl/nvidia/lib/libnvidia-tls.so.${PV}
	usr/lib/xorg/modules/drivers/nvidia_drv.so"

QA_TEXTRELS_x86_fbsd="boot/modules/nvidia.ko
	usr/lib/opengl/nvidia/lib/libGL.so.1
	usr/lib/libnvidia-glcore.so.1
	usr/lib/libnvidia-cfg.so.1
	usr/lib/libnvidia-ml.so.1
	usr/lib/opengl/nvidia/extensions/libglx.so.1
	usr/lib/xorg/modules/drivers/nvidia_drv.so"

QA_TEXTRELS_amd64="usr/lib32/opengl/nvidia/lib/libnvidia-tls.so.${PV}
	usr/lib32/libnvidia-glcore.so.${PV}
	usr/lib32/opengl/nvidia/lib/libGL.so.${PV}
	usr/lib32/OpenCL/vendor/nvidia/libcuda.so.${PV}
	usr/lib32/libvdpau_nvidia.so.${PV}
	usr/lib32/OpenCL/vendor/nvidia/libOpenCL.so.1.0.0
	usr/lib32/OpenCL/vendor/nvidia/libnvidia-compiler.so.${PV}"

QA_EXECSTACK_x86="usr/lib/opengl/nvidia/lib/libGL.so.${PV}
	usr/lib/libnvidia-glcore.so.${PV}
	usr/lib/opengl/nvidia/extensions/libglx.so.${PV}
	usr/lib64/libXvMCNVIDIA.so.${PV}
	usr/lib/libXvMCNVIDIA.a:NVXVMC.o
	usr/lib/libnvidia-compiler.so.${PV}
	usr/lib/libvdpau_nvidia.so.${PV}
	usr/lib/libcuda.so.${PV}
	usr/lib/libOpenCL.so.1.0.0"

QA_EXECSTACK_amd64="usr/lib32/libnvidia-glcore.so.${PV}
	usr/lib32/opengl/nvidia/lib/libGL.so.${PV}
	usr/lib32/OpenCL/vendor/nvidia/libnvidia-compiler.so.${PV}
	usr/lib32/opengl/nvidia/lib/libnvidia-tls.so.${PV}
	usr/lib32/libvdpau_nvidia.so.${PV}
	usr/lib32/OpenCL/vendor/nvidia/libcuda.so.${PV}
	usr/lib32/OpenCL/vendor/nvidia/libOpenCL.so.1.0.0
	usr/lib64/OpenCL/vendor/nvidia/libnvidia-compiler.so.${PV}
	usr/lib64/libXvMCNVIDIA.a:NVXVMC.o
	usr/lib64/libnvidia-cfg.so.${PV}
	usr/lib64/libnvidia-ml.so.${PV}
	usr/lib64/libvdpau_nvidia.so.${PV}
	usr/lib64/opengl/nvidia/lib/libnvidia-tls.so.${PV}
	usr/lib64/opengl/nvidia/lib/libGL.so.${PV}
	usr/lib64/libnvidia-glcore.so.${PV}
	usr/lib64/opengl/nvidia/extensions/libglx.so.${PV}
	usr/lib64/libXvMCNVIDIA.so.${PV}
	usr/lib64/OpenCL/vendor/nvidia/libcuda.so.${PV}
	usr/lib64/OpenCL/vendor/nvidia/libOpenCL.so.1.0.0
	usr/lib64/xorg/modules/drivers/nvidia_drv.so
	usr/bin/nvidia-smi
	usr/bin/nvidia-xconfig
	usr/bin/nvidia-settings"

QA_WX_LOAD_x86="usr/lib/libnvidia-glcore.so.${PV}
	usr/lib/opengl/nvidia/lib/libGL.so.${PV}
	usr/lib/opengl/nvidia/extensions/libglx.so.${PV}
	usr/lib/libXvMCNVIDIA.a
	usr/lib64/libXvMCNVIDIA.so.${PV}"

QA_WX_LOAD_amd64="usr/lib32/opengl/nvidia/lib/libGL.so.${PV}
	usr/lib32/libnvidia-glcore.so.${PV}
	usr/lib64/opengl/nvidia/lib/libGL.so.${PV}
	usr/lib64/libnvidia-glcore.so.${PV}
	usr/lib64/opengl/nvidia/extensions/libglx.so.${PV}
	usr/lib64/libXvMCNVIDIA.so.${PV}"

QA_SONAME_x86="usr/lib/OpenCL/vendor/nvidia/libnvidia-compiler.so.${PV}"

QA_SONAME_amd64="usr/lib64/OpenCL/vendor/nvidia/libnvidia-compiler.so.${PV}
	usr/lib32/OpenCL/vendor/nvidia/libnvidia-compiler.so.${PV}"

QA_DT_HASH_amd64="usr/lib32/OpenCL/vendor/nvidia/libcuda.so.${PV}
	usr/lib32/opengl/nvidia/lib/libGL.so.${PV}
	usr/lib32/libnvidia-glcore.so.${PV}
	usr/lib32/opengl/nvidia/lib/libnvidia-tls.so.${PV}
	usr/lib32/libvdpau_nvidia.so.${PV}
	usr/lib32/OpenCL/vendor/nvidia/libOpenCL.so.1.0.0
	usr/lib32/OpenCL/vendor/nvidia/libnvidia-compiler.so.${PV}
	usr/lib64/libXvMCNVIDIA.so.${PV}
	usr/lib64/OpenCL/vendor/nvidia/libcuda.so.${PV}
	usr/lib64/libnvidia-cfg.so.${PV}
	usr/lib64/libnvidia-glcore.so.${PV}
	usr/lib64/libnvidia-ml.so.${PV}
	usr/lib64/opengl/nvidia/lib/libGL.so.${PV}
	usr/lib64/opengl/nvidia/lib/libnvidia-tls.so.${PV}
	usr/lib64/opengl/nvidia/extensions/libglx.so.${PV}
	usr/lib64/xorg/modules/drivers/nvidia_drv.so
	usr/lib64/libvdpau_nvidia.so.${PV}
	usr/lib64/OpenCL/vendor/nvidia/libOpenCL.so.1.0.0
	usr/lib64/OpenCL/vendor/nvidia/libnvidia-compiler.so.${PV}
	usr/lib64/libnvcuvid.so.${PV}
	usr/bin/nvidia-smi
	usr/bin/nvidia-xconfig
	usr/bin/nvidia-settings"

QA_DT_HASH_x86="usr/lib/OpenCL/vendor/nvidia/libcuda.so.${PV}
	usr/lib/libnvidia-cfg.so.${PV}
	usr/lib/libnvidia-glcore.so.${PV}
	usr/lib/libnvidia-ml.so.${PV}
	usr/lib/opengl/nvidia/lib/libGL.so.${PV}
	usr/lib/opengl/nvidia/lib/libnvidia-tls.so.${PV}
	usr/lib/opengl/nvidia/extensions/libglx.so.${PV}
	usr/lib/xorg/modules/drivers/nvidia_drv.so
	usr/lib/libXvMCNVIDIA.so.${PV}
	usr/lib/libvdpau_nvidia.so.${PV}
	usr/lib/OpenCL/vendor/nvidia/libOpenCL.so.1.0.0
	usr/lib/OpenCL/vendor/nvidia/libnvidia-compiler.so.${PV}
	usr/lib/libnvcuvid.so.${PV}
	usr/bin/nvidia-smi
	usr/bin/nvidia-xconfig
	usr/bin/nvidia-settings"

S=${WORKDIR}/

mtrr_check() {
	ebegin "Checking for MTRR support"
	linux_chkconfig_present MTRR
	eend $?

	if [[ $? -ne 0 ]] ; then
		eerror "Please enable MTRR support in your kernel config, found at:"
		eerror
		eerror "  Processor type and features"
		eerror "    [*] MTRR (Memory Type Range Register) support"
		eerror
		eerror "and recompile your kernel ..."
		die "MTRR support not detected!"
	fi
}

lockdep_check() {
	if linux_chkconfig_present LOCKDEP; then
		eerror "You've enabled LOCKDEP -- lock tracking -- in the kernel."
		eerror "Unfortunately, this option exports the symbol "
		eerror "'lockdep_init_map' as GPL-only which will prevent "
		eerror "${P} from compiling."
		eerror "Please make sure the following options have been unset:"
		eerror
		eerror "    Kernel hacking  --->"
		eerror "        [ ] Lock debugging: detect incorrect freeing of live locks"
		eerror "        [ ] Lock debugging: prove locking correctness"
		eerror "        [ ] Lock usage statistics"
		eerror "in 'menuconfig'"
		die "LOCKDEP enabled"
	fi
}

pkg_setup() {
	# try to turn off distcc and ccache for people that have a problem with it
	export DISTCC_DISABLE=1
	export CCACHE_DISABLE=1

	if use amd64 && has_multilib_profile && [ "${DEFAULT_ABI}" != "amd64" ]; then
		eerror "This ebuild doesn't currently support changing your default abi."
		die "Unexpected \${DEFAULT_ABI} = ${DEFAULT_ABI}"
	fi

	if use kernel_linux; then
		linux-mod_pkg_setup
		MODULE_NAMES="nvidia(video:${S}/kernel)"
		BUILD_PARAMS="IGNORE_CC_MISMATCH=yes V=1 SYSSRC=${KV_DIR} \
		SYSOUT=${KV_OUT_DIR} CC=$(tc-getBUILD_CC)"
		mtrr_check
		lockdep_check
	fi

	# On BSD userland it wants real make command
	use userland_BSD && MAKE="$(get_bmake)"

	export _POSIX2_VERSION="199209"

	# Since Nvidia ships 3 different series of drivers, we need to give the user
	# some kind of guidance as to what version they should install. This tries
	# to point the user in the right direction but can't be perfect. check
	# nvidia-driver.eclass
	nvidia-driver-check-warning

	# set variables to where files are in the package structure
	if use kernel_FreeBSD; then
		NV_DOC="${S}/doc"
		NV_EXEC="${S}/obj"
		NV_LIB="${S}/obj"
		NV_SRC="${S}/src"
		NV_MAN="${S}/x11/man"
		NV_X11="${S}/obj"
		NV_X11_DRV="${NV_X11}"
		NV_X11_EXT="${NV_X11}"
		NV_SOVER=1
	elif use kernel_linux; then
		NV_DOC="${S}"
		NV_EXEC="${S}"
		NV_LIB="${S}"
		NV_SRC="${S}/kernel"
		NV_MAN="${S}"
		NV_X11="${S}"
		NV_X11_DRV="${NV_X11}"
		NV_X11_EXT="${NV_X11}"
		NV_SOVER=${PV}
	else
		die "Could not determine proper NVIDIA package"
	fi
}

src_unpack() {
	if use kernel_linux && kernel_is lt 2 6 7; then
		echo
		ewarn "Your kernel version is ${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}"
		ewarn "This is not officially supported for ${P}. It is likely you"
		ewarn "will not be able to compile or use the kernel module."
		ewarn "It is recommended that you upgrade your kernel to a version >= 2.6.7"
		echo
		ewarn "DO NOT file bug reports for kernel versions less than 2.6.7 as they will be ignored."
	fi

	if ! use x86-fbsd; then
		cd "${S}"
		unpack_makeself
	else
		unpack ${A}
	fi
}

src_prepare() {
	# Please add a brief description for every added patch
	use x86-fbsd && cd doc

	if use kernel_linux; then
		# Quiet down warnings the user does not need to see
		sed -i \
			-e 's:-Wsign-compare::g' \
			"${NV_SRC}"/Makefile.kbuild

		epatch "${FILESDIR}"/256.35-unified-arch.patch

		# If you set this then it's your own fault when stuff breaks :)
		use custom-cflags && sed -i "s:-O:${CFLAGS}:" "${NV_SRC}"/Makefile.*

		# If greater than 2.6.5 use M= instead of SUBDIR=
		convert_to_m "${NV_SRC}"/Makefile.kbuild
	fi
	cat <<- EOF > "${S}"/nvidia.icd
		/usr/$(get_libdir)/OpenCL/vendor/libcuda.so
	EOF
}

src_compile() {
	# This is already the default on Linux, as there's no toplevel Makefile, but
	# on FreeBSD there's one and triggers the kernel module build, as we install
	# it by itself, pass this.

	cd "${NV_SRC}"
	if use x86-fbsd; then
		MAKE="$(get_bmake)" CFLAGS="-Wno-sign-compare" emake CC="$(tc-getCC)" \
			LD="$(tc-getLD)" LDFLAGS="$(raw-ldflags)" || die
	elif use kernel_linux; then
		linux-mod_src_compile
	fi
}

src_install() {
	if use kernel_linux; then
		linux-mod_src_install

		VIDEOGROUP="$(egetent group video | cut -d ':' -f 3)"
		if [ -z "$VIDEOGROUP" ]; then
			eerror "Failed to determine the video group gid."
			die "Failed to determine the video group gid."
		fi

		# Add the aliases
		[ -f "${FILESDIR}/nvidia-169.07" ] || die "nvidia missing in FILESDIR"
		sed -e 's:PACKAGE:'${PF}':g' \
			-e 's:VIDEOGID:'${VIDEOGROUP}':' "${FILESDIR}"/nvidia-169.07 > \
			"${WORKDIR}"/nvidia
		insinto /etc/modprobe.d
		newins "${WORKDIR}"/nvidia nvidia.conf || die
	elif use x86-fbsd; then
		insinto /boot/modules
		doins "${WORKDIR}/${NV_PACKAGE}/src/nvidia.kld" || die

		exeinto /boot/modules
		doexe "${WORKDIR}/${NV_PACKAGE}/src/nvidia.ko" || die
	fi

	# NVIDIA kernel <-> userspace driver config lib
	dolib.so ${NV_LIB}/libnvidia-cfg.so.${NV_SOVER} || \
		die "failed to install libnvidia-cfg"
	dosym libnvidia-cfg.so.${NV_SOVER} \
		/usr/$(get_libdir)/libnvidia-cfg.so.1 || \
		die "failed to create libnvidia-cfg.so symlink"
	dosym libnvidia-cfg.so.1 \
		/usr/$(get_libdir)/libnvidia-cfg.so || \
		die "failed to create libnvidia-cfg.so symlink"

	# NVIDIA monitoring library
	dolib.so ${NV_LIB}/libnvidia-ml.so.${NV_SOVER} || \
		die "failed to install libnvidia-ml"
	dosym libnvidia-ml.so.${NV_SOVER} \
		/usr/$(get_libdir)/libnvidia-ml.so.1 || \
		die "failed to create libnvidia-ml.so symlink"
	dosym libnvidia-ml.so.1 \
		/usr/$(get_libdir)/libnvidia-ml.so || \
		die "failed to create libnvidia-ml.so symlink"

	# NVIDIA video decode <-> CUDA
	dolib.so ${NV_LIB}/libnvcuvid.so.${NV_SOVER} || \
		die "failed to install libnvcuvid.so"
	dosym libnvcuvid.so.${NV_SOVER} \
		/usr/$(get_libdir)/libnvcuvid.so.1 || \
		die "failed to create libnvcuvid.so symlink"
	dosym libnvcuvid.so.1 \
		/usr/$(get_libdir)/libnvcuvid.so || \
		die "failed to create libnvcuvid.so symlink"

	# Xorg DDX driver
	insinto /usr/$(get_libdir)/xorg/modules/drivers
	doins ${NV_X11_DRV}/nvidia_drv.so || die "failed to install nvidia_drv.so"

	# Xorg GLX driver
	insinto /usr/$(get_libdir)/opengl/nvidia/extensions
	doins ${NV_X11_EXT}/libglx.so.${NV_SOVER} || \
		die "failed to install libglx.so"
	dosym libglx.so.${NV_SOVER} \
		/usr/$(get_libdir)/opengl/nvidia/extensions/libglx.so || \
		die "failed to create libglx.so symlink"

	# XvMC driver
	dolib.a ${NV_X11}/libXvMCNVIDIA.a || \
		die "failed to install libXvMCNVIDIA.so"
	dolib.so ${NV_X11}/libXvMCNVIDIA.so.${NV_SOVER} || \
		die "failed to install libXvMCNVIDIA.so"
	dosym libXvMCNVIDIA.so.${NV_SOVER} \
		/usr/$(get_libdir)/libXvMCNVIDIA.so.1 || \
		die "failed to create libXvMCNVIDIA.so symlink"
	dosym libXvMCNVIDIA.so.1 /usr/$(get_libdir)/libXvMCNVIDIA.so || \
		die "failed to create libXvMCNVIDIA.so symlink"
	dosym libXvMCNVIDIA.so.${NV_SOVER} \
		/usr/$(get_libdir)/libXvMCNVIDIA_dynamic.so.1 || \
		die "failed to create libXvMCNVIDIA_dynamic.so symlink"

	# OpenCL ICD for NVIDIA
	if use kernel_linux; then
		insinto /etc/OpenCL/vendors
		doins nvidia.icd
	fi

	# Documentation
	dohtml ${NV_DOC}/html/*
	if use x86-fbsd; then
		dodoc "${NV_DOC}/README"
		doman "${NV_MAN}/nvidia-xconfig.1"
		use gtk && doman "${NV_MAN}/nvidia-settings.1"
	else
		# Docs
		newdoc "${NV_DOC}/README.txt" README
		dodoc "${NV_DOC}/NVIDIA_Changelog"
		doman "${NV_MAN}/nvidia-smi.1.gz"
		doman "${NV_MAN}/nvidia-xconfig.1.gz"
		use gtk && doman "${NV_MAN}/nvidia-settings.1.gz"
	fi

	# Helper Apps
	dobin ${NV_EXEC}/nvidia-xconfig || die
	if use gtk; then
		dobin ${NV_EXEC}/nvidia-settings || die
	fi
	dobin ${NV_EXEC}/nvidia-bug-report.sh || die
	if use kernel_linux; then
		dobin ${NV_EXEC}/nvidia-smi || die
	fi

	# Desktop entries for nvidia-settings
	if use gtk; then
		sed -e 's:__UTILS_PATH__:/usr/bin:' \
			-e 's:__PIXMAP_PATH__:/usr/share/pixmaps:' \
			-i "${NV_EXEC}/nvidia-settings.desktop"
		domenu ${NV_EXEC}/nvidia-settings.desktop

		doicon ${NV_EXEC}/nvidia-settings.png
	fi

	if has_multilib_profile ; then
		local OABI=${ABI}
		for ABI in $(get_install_abis) ; do
			src_install-libs
		done
		ABI=${OABI}
		unset OABI
	else
		src_install-libs
	fi

	is_final_abi || die "failed to iterate through all ABIs"
}

# Install nvidia library:
# the first parameter is the place where to install it
# the second parameter is the base name of the library
# the third parameter is the provided soversion
donvidia() {
	dodir $1
	exeinto $1

	libname=$(basename $2)

	doexe $2.$3 || die "failed to install $2"
	dosym ${libname}.$3 $1/${libname} || die "failed to symlink $2"
	[[ $3 != "1" ]] && dosym ${libname}.$3 $1/${libname}.1
}

src_install-libs() {
	local inslibdir=$(get_libdir)
	local NV_ROOT="/usr/${inslibdir}/opengl/nvidia"
	local CL_ROOT=/usr/${inslibdir}/OpenCL/vendor/nvidia
	local libdir= sover=

	if use kernel_linux; then
		if has_multilib_profile && [[ ${ABI} == "x86" ]] ; then
			libdir=32
		else
			libdir=.
		fi
		sover=${PV}
	else
		libdir=obj
		# on FreeBSD it has just .1 suffix
		sover=1
	fi

	# The GLX libraries
	donvidia ${NV_ROOT}/lib ${libdir}/libGL.so ${sover}
	donvidia /usr/${inslibdir} ${libdir}/libnvidia-glcore.so ${sover}
	if use x86-fbsd; then
		donvidia ${NV_ROOT}/lib ${libdir}/libnvidia-tls.so ${sover}
	else
		donvidia ${NV_ROOT}/lib ${libdir}/tls/libnvidia-tls.so ${sover}
	fi

	# VDPAU
	donvidia /usr/${inslibdir} ${libdir}/libvdpau_nvidia.so ${sover}

	# CUDA & OpenCL
	if use kernel_linux; then
		donvidia ${CL_ROOT} ${libdir}/libcuda.so ${sover}
		donvidia ${CL_ROOT} ${libdir}/libnvidia-compiler.so ${sover}
		donvidia ${CL_ROOT} ${libdir}/libOpenCL.so 1.0.0
		#dosym libOpenCL.so.1 ${CL_ROOT}/libOpenCL.so
	fi
}

pkg_preinst() {
	if use kernel_linux; then
		linux-mod_pkg_postinst
	fi

	# Clean the dynamic libGL stuff's home to ensure
	# we dont have stale libs floating around
	if [ -d "${ROOT}"/usr/lib/opengl/nvidia ] ; then
		rm -rf "${ROOT}"/usr/lib/opengl/nvidia/*
	fi
	# Make sure we nuke the old nvidia-glx's env.d file
	if [ -e "${ROOT}"/etc/env.d/09nvidia ] ; then
		rm -f "${ROOT}"/etc/env.d/09nvidia
	fi
}

pkg_postinst() {
	if use kernel_linux; then
		linux-mod_pkg_postinst
	fi

	# Switch to the nvidia implementation
	eselect opengl set --use-old nvidia

	echo
	elog "You must be in the video group to use the NVIDIA device"
	elog "For more info, read the docs at"
	elog "http://www.gentoo.org/doc/en/nvidia-guide.xml#doc_chap3_sect6"
	elog

	elog "This ebuild installs a kernel module and X driver. Both must"
	elog "match explicitly in their version. This means, if you restart"
	elog "X, you must modprobe -r nvidia before starting it back up"
	elog

	elog "To use the NVIDIA GLX, run \"eselect opengl set nvidia\""
	elog
	elog "NVIDIA has requested that any bug reports submitted have the"
	elog "output of /usr/bin/nvidia-bug-report.sh included."
	elog
	elog "To work with compiz, you must enable the AddARGBGLXVisuals option."
	elog
	elog "If you are having resolution problems, try disabling DynamicTwinView."
	elog

	if ! use gtk; then
		elog "USE=gtk controls whether the nvidia-settings application"
		elog "is installed. If you would like to use it, enable that"
		elog "flag and re-emerge this ebuild. media-video/nvidia-settings"
		elog "no longer installs nvidia-settings but only installs the"
		elog "associated user space libraries."
	fi
}

pkg_postrm() {
	if use kernel_linux; then
		linux-mod_pkg_postrm
	fi
	eselect opengl set --use-old xorg-x11
}