x11-drivers/nvidia-drivers: Update 390 branch

- Add USE=libglvnd
- Raise kernel version compatibility

Package-Manager: Portage-2.3.94, Repoman-2.3.21
Closes: https://bugs.gentoo.org/show_bug.cgi?id=709930
Closes: https://bugs.gentoo.org/show_bug.cgi?id=711942
Signed-off-by: Jeroen Roovers <jer@gentoo.org>

1 files changed, 583 insertions, 0 deletions

diff --git a/x11-drivers/nvidia-drivers/nvidia-drivers-390.132-r2.ebuild b/x11-drivers/nvidia-drivers/nvidia-drivers-390.132-r2.ebuild
new file mode 100644
index 000000000000..cdaa60bfd89c
--- /dev/null
+++ b/x11-drivers/nvidia-drivers/nvidia-drivers-390.132-r2.ebuild
@@ -0,0 +1,583 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+inherit desktop flag-o-matic linux-info linux-mod multilib-minimal \
+	nvidia-driver portability toolchain-funcs unpacker udev
+
+DESCRIPTION="NVIDIA Accelerated Graphics Driver"
+HOMEPAGE="https://www.nvidia.com/"
+
+AMD64_FBSD_NV_PACKAGE="NVIDIA-FreeBSD-x86_64-${PV}"
+AMD64_NV_PACKAGE="NVIDIA-Linux-x86_64-${PV}"
+ARM_NV_PACKAGE="NVIDIA-Linux-armv7l-gnueabihf-${PV}"
+X86_FBSD_NV_PACKAGE="NVIDIA-FreeBSD-x86-${PV}"
+X86_NV_PACKAGE="NVIDIA-Linux-x86-${PV}"
+
+NV_URI="https://us.download.nvidia.com/XFree86/"
+SRC_URI="
+	amd64-fbsd? ( ${NV_URI}FreeBSD-x86_64/${PV}/${AMD64_FBSD_NV_PACKAGE}.tar.gz )
+	amd64? ( ${NV_URI}Linux-x86_64/${PV}/${AMD64_NV_PACKAGE}.run )
+	arm? ( ${NV_URI}Linux-x86-ARM/${PV}/${ARM_NV_PACKAGE}.run )
+	x86-fbsd? ( ${NV_URI}FreeBSD-x86/${PV}/${X86_FBSD_NV_PACKAGE}.tar.gz )
+	x86? ( ${NV_URI}Linux-x86/${PV}/${X86_NV_PACKAGE}.run )
+	tools? (
+		https://download.nvidia.com/XFree86/nvidia-settings/nvidia-settings-${PV}.tar.bz2
+	)
+"
+
+EMULTILIB_PKG="true"
+KEYWORDS="-* ~amd64 ~x86"
+LICENSE="GPL-2 NVIDIA-r2"
+SLOT="0/${PV%.*}"
+
+IUSE="acpi compat +driver gtk3 kernel_FreeBSD kernel_linux +kms +libglvnd multilib static-libs +tools uvm wayland +X"
+REQUIRED_USE="
+	tools? ( X )
+	static-libs? ( tools )
+"
+
+COMMON="
+	app-eselect/eselect-opencl
+	driver? ( kernel_linux? ( acct-group/video ) )
+	kernel_linux? ( >=sys-libs/glibc-2.6.1 )
+	tools? (
+		dev-libs/atk
+		dev-libs/glib:2
+		dev-libs/jansson
+		gtk3? (
+			x11-libs/gtk+:3
+		)
+		x11-libs/cairo
+		x11-libs/gdk-pixbuf[X]
+		x11-libs/gtk+:2
+		x11-libs/libX11
+		x11-libs/libXext
+		x11-libs/libXrandr
+		x11-libs/libXv
+		x11-libs/libXxf86vm
+		x11-libs/pango[X]
+	)
+	X? (
+		!libglvnd? ( >=app-eselect/eselect-opengl-1.0.9 )
+		libglvnd? (
+			media-libs/libglvnd[${MULTILIB_USEDEP}]
+			!app-eselect/eselect-opengl
+		)
+		app-misc/pax-utils
+	)
+"
+DEPEND="
+	${COMMON}
+	kernel_linux? ( virtual/linux-sources )
+	tools? ( sys-apps/dbus )
+"
+RDEPEND="
+	${COMMON}
+	acpi? ( sys-power/acpid )
+	tools? ( !media-video/nvidia-settings )
+	wayland? ( dev-libs/wayland[${MULTILIB_USEDEP}] )
+	X? (
+		<x11-base/xorg-server-1.20.99:=
+		>=x11-libs/libX11-1.6.2[${MULTILIB_USEDEP}]
+		>=x11-libs/libXext-1.3.2[${MULTILIB_USEDEP}]
+		>=x11-libs/libvdpau-1.0[${MULTILIB_USEDEP}]
+		sys-libs/zlib[${MULTILIB_USEDEP}]
+	)
+"
+QA_PREBUILT="opt/* usr/lib*"
+S=${WORKDIR}/
+NV_KV_MAX_PLUS="5.5"
+CONFIG_CHECK="!DEBUG_MUTEXES ~!LOCKDEP ~MTRR ~SYSVIPC ~ZONE_DMA"
+
+pkg_pretend() {
+	use x86 && CONFIG_CHECK+=" ~HIGHMEM"
+	nvidia-driver_check
+}
+
+pkg_setup() {
+	use x86 && CONFIG_CHECK+=" ~HIGHMEM"
+	nvidia-driver_check
+
+	# try to turn off distcc and ccache for people that have a problem with it
+	export DISTCC_DISABLE=1
+	export CCACHE_DISABLE=1
+
+	if use driver && use kernel_linux; then
+		MODULE_NAMES="nvidia(video:${S}/kernel)"
+		use uvm && MODULE_NAMES+=" nvidia-uvm(video:${S}/kernel)"
+		use kms && MODULE_NAMES+=" nvidia-modeset(video:${S}/kernel) nvidia-drm(video:${S}/kernel)"
+
+		# This needs to run after MODULE_NAMES (so that the eclass checks
+		# whether the kernel supports loadable modules) but before BUILD_PARAMS
+		# is set (so that KV_DIR is populated).
+		linux-mod_pkg_setup
+
+		BUILD_PARAMS="IGNORE_CC_MISMATCH=yes V=1 SYSSRC=${KV_DIR} \
+		SYSOUT=${KV_OUT_DIR} CC=$(tc-getBUILD_CC) NV_VERBOSE=1"
+
+		# linux-mod_src_compile calls set_arch_to_kernel, which
+		# sets the ARCH to x86 but NVIDIA's wrapping Makefile
+		# expects x86_64 or i386 and then converts it to x86
+		# later on in the build process
+		BUILD_FIXES="ARCH=$(uname -m | sed -e 's/i.86/i386/')"
+	fi
+
+	if use kernel_linux && kernel_is lt 2 6 9; then
+		eerror "You must build this against 2.6.9 or higher kernels."
+	fi
+
+	# set variables to where files are in the package structure
+	if use kernel_FreeBSD; then
+		use x86-fbsd   && S="${WORKDIR}/${X86_FBSD_NV_PACKAGE}"
+		use amd64-fbsd && S="${WORKDIR}/${AMD64_FBSD_NV_PACKAGE}"
+		NV_DOC="${S}/doc"
+		NV_OBJ="${S}/obj"
+		NV_SRC="${S}/src"
+		NV_MAN="${S}/x11/man"
+		NV_X11="${S}/obj"
+		NV_SOVER=1
+	elif use kernel_linux; then
+		NV_DOC="${S}"
+		NV_OBJ="${S}"
+		NV_SRC="${S}/kernel"
+		NV_MAN="${S}"
+		NV_X11="${S}"
+		NV_SOVER=${PV}
+	else
+		die "Could not determine proper NVIDIA package"
+	fi
+}
+
+src_prepare() {
+	local man_file
+	for man_file in "${NV_MAN}"/*1.gz; do
+		gunzip $man_file || die
+	done
+
+	if use tools; then
+		cp "${FILESDIR}"/nvidia-settings-fno-common.patch "${WORKDIR}" || die
+		cp "${FILESDIR}"/nvidia-settings-linker.patch "${WORKDIR}" || die
+		sed -i \
+			-e "s:@PV@:${PV}:g" \
+			"${WORKDIR}"/nvidia-settings-fno-common.patch \
+			"${WORKDIR}"/nvidia-settings-linker.patch \
+			|| die
+		eapply "${WORKDIR}"/nvidia-settings-fno-common.patch
+		eapply "${WORKDIR}"/nvidia-settings-linker.patch
+	fi
+
+	default
+
+	if ! [ -f nvidia_icd.json ]; then
+		cp nvidia_icd.json.template nvidia_icd.json || die
+		sed -i -e 's:__NV_VK_ICD__:libGLX_nvidia.so.0:g' nvidia_icd.json || die
+	fi
+}
+
+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 "${NV_SRC}"
+	if use kernel_FreeBSD; then
+		MAKE="$(get_bmake)" CFLAGS="-Wno-sign-compare" emake CC="$(tc-getCC)" \
+			LD="$(tc-getLD)" LDFLAGS="$(raw-ldflags)" || die
+	elif use driver && use kernel_linux; then
+		BUILD_TARGETS=module linux-mod_src_compile \
+			KERNELRELEASE="${KV_FULL}" \
+			src="${KERNEL_DIR}"
+	fi
+
+	if use tools; then
+		emake -C "${S}"/nvidia-settings-${PV}/src \
+			AR="$(tc-getAR)" \
+			CC="$(tc-getCC)" \
+			DO_STRIP= \
+			LD="$(tc-getCC)" \
+			LIBDIR="$(get_libdir)" \
+			NVLD="$(tc-getLD)" \
+			NV_VERBOSE=1 \
+			RANLIB="$(tc-getRANLIB)" \
+			build-xnvctrl
+
+		emake -C "${S}"/nvidia-settings-${PV}/src \
+			CC="$(tc-getCC)" \
+			DO_STRIP= \
+			GTK3_AVAILABLE=$(usex gtk3 1 0) \
+			LD="$(tc-getCC)" \
+			LIBDIR="$(get_libdir)" \
+			NVLD="$(tc-getLD)" \
+			NVML_ENABLED=0 \
+			NV_USE_BUNDLED_LIBJANSSON=0 \
+			NV_VERBOSE=1
+	fi
+}
+
+# Install nvidia library:
+# the first parameter is the library to install
+# the second parameter is the provided soversion
+# the third parameter is the target directory if it is not /usr/lib
+donvidia() {
+	# Full path to library
+	nv_LIB="${1}"
+
+	# SOVER to use
+	nv_SOVER="$(scanelf -qF'%S#F' ${nv_LIB})"
+
+	# Where to install
+	nv_DEST="${2}"
+
+	# Get just the library name
+	nv_LIBNAME=$(basename "${nv_LIB}")
+
+	if [[ "${nv_DEST}" ]]; then
+		exeinto ${nv_DEST}
+		action="doexe"
+	else
+		nv_DEST="/usr/$(get_libdir)"
+		action="dolib.so"
+	fi
+
+	# Install the library
+	${action} ${nv_LIB} || die "failed to install ${nv_LIBNAME}"
+
+	# If the library has a SONAME and SONAME does not match the library name,
+	# then we need to create a symlink
+	if [[ ${nv_SOVER} ]] && ! [[ "${nv_SOVER}" = "${nv_LIBNAME}" ]]; then
+		dosym ${nv_LIBNAME} ${nv_DEST}/${nv_SOVER}
+	fi
+
+	dosym ${nv_LIBNAME} ${nv_DEST}/${nv_LIBNAME/.so*/.so}
+}
+
+src_install() {
+	if use driver && use kernel_linux; then
+		linux-mod_src_install
+
+		# Add the aliases
+		# This file is tweaked with the appropriate video group in
+		# pkg_preinst, see bug #491414
+		insinto /etc/modprobe.d
+		newins "${FILESDIR}"/nvidia-169.07 nvidia.conf
+		if use uvm; then
+			doins "${FILESDIR}"/nvidia-rmmod.conf
+			udev_newrules "${FILESDIR}"/nvidia-uvm.udev-rule 99-nvidia-uvm.rules
+		else
+			sed -e 's|nvidia-uvm ||g' "${FILESDIR}"/nvidia-rmmod.conf \
+				> "${T}"/nvidia-rmmod.conf || die
+			doins "${T}"/nvidia-rmmod.conf
+		fi
+
+		# Ensures that our device nodes are created when not using X
+		exeinto "$(get_udevdir)"
+		newexe "${FILESDIR}"/nvidia-udev.sh-r1 nvidia-udev.sh
+		udev_newrules "${FILESDIR}"/nvidia.udev-rule 99-nvidia.rules
+	elif use kernel_FreeBSD; then
+		if use x86-fbsd; then
+			insinto /boot/modules
+			doins "${S}/src/nvidia.kld"
+		fi
+
+		exeinto /boot/modules
+		doexe "${S}/src/nvidia.ko"
+	fi
+
+	# NVIDIA kernel <-> userspace driver config lib
+	donvidia ${NV_OBJ}/libnvidia-cfg.so.${NV_SOVER}
+
+	# NVIDIA framebuffer capture library
+	donvidia ${NV_OBJ}/libnvidia-fbc.so.${NV_SOVER}
+
+	# NVIDIA video encode/decode <-> CUDA
+	if use kernel_linux; then
+		donvidia ${NV_OBJ}/libnvcuvid.so.${NV_SOVER}
+		donvidia ${NV_OBJ}/libnvidia-encode.so.${NV_SOVER}
+	fi
+
+	if use X; then
+		# Xorg DDX driver
+		insinto /usr/$(get_libdir)/xorg/modules/drivers
+		doins ${NV_X11}/nvidia_drv.so
+
+		# Xorg GLX driver
+		if use libglvnd; then
+			local extensions_dir="/usr/$(get_libdir)/extensions/nvidia"
+		else
+			local extensions_dir="/usr/$(get_libdir)/opengl/nvidia/extensions/"
+		fi
+		donvidia ${NV_X11}/libglx.so.${NV_SOVER} \
+			"${extensions_dir}"
+
+		# Xorg nvidia.conf
+		if has_version '>=x11-base/xorg-server-1.16'; then
+			insinto /usr/share/X11/xorg.conf.d
+			newins {,50-}nvidia-drm-outputclass.conf
+		fi
+
+		insinto /usr/share/glvnd/egl_vendor.d
+		doins ${NV_X11}/10_nvidia.json
+	fi
+
+	if use wayland; then
+		insinto /usr/share/egl/egl_external_platform.d
+		doins ${NV_X11}/10_nvidia_wayland.json
+	fi
+
+	# OpenCL ICD for NVIDIA
+	if use kernel_linux; then
+		insinto /etc/OpenCL/vendors
+		doins ${NV_OBJ}/nvidia.icd
+	fi
+
+	# Helper Apps
+	exeinto /opt/bin/
+
+	if use X; then
+		doexe ${NV_OBJ}/nvidia-xconfig
+
+		insinto /etc/vulkan/icd.d
+		doins nvidia_icd.json
+	fi
+
+	if use kernel_linux; then
+		doexe ${NV_OBJ}/nvidia-cuda-mps-control
+		doexe ${NV_OBJ}/nvidia-cuda-mps-server
+		doexe ${NV_OBJ}/nvidia-debugdump
+		doexe ${NV_OBJ}/nvidia-persistenced
+		doexe ${NV_OBJ}/nvidia-smi
+
+		# install nvidia-modprobe setuid and symlink in /usr/bin (bug #505092)
+		doexe ${NV_OBJ}/nvidia-modprobe
+		fowners root:video /opt/bin/nvidia-modprobe
+		fperms 4710 /opt/bin/nvidia-modprobe
+		dosym /{opt,usr}/bin/nvidia-modprobe
+
+		doman nvidia-cuda-mps-control.1
+		doman nvidia-modprobe.1
+		doman nvidia-persistenced.1
+		newinitd "${FILESDIR}/nvidia-smi.init" nvidia-smi
+		newconfd "${FILESDIR}/nvidia-persistenced.conf" nvidia-persistenced
+		newinitd "${FILESDIR}/nvidia-persistenced.init" nvidia-persistenced
+	fi
+
+	if use tools; then
+		emake -C "${S}"/nvidia-settings-${PV}/src/ \
+			DESTDIR="${D}" \
+			GTK3_AVAILABLE=$(usex gtk3 1 0) \
+			LIBDIR="${D}/usr/$(get_libdir)" \
+			NV_USE_BUNDLED_LIBJANSSON=0 \
+			NV_VERBOSE=1 \
+			PREFIX=/usr \
+			DO_STRIP= \
+			install
+
+		if use static-libs; then
+			dolib.a "${S}"/nvidia-settings-${PV}/src/libXNVCtrl/libXNVCtrl.a
+
+			insinto /usr/include/NVCtrl
+			doins "${S}"/nvidia-settings-${PV}/src/libXNVCtrl/*.h
+		fi
+
+		insinto /usr/share/nvidia/
+		doins nvidia-application-profiles-${PV}-key-documentation
+
+		insinto /etc/nvidia
+		newins \
+			nvidia-application-profiles-${PV}-rc nvidia-application-profiles-rc
+
+		# There is no icon in the FreeBSD tarball.
+		use kernel_FreeBSD || \
+			doicon ${NV_OBJ}/nvidia-settings.png
+
+		domenu "${FILESDIR}"/nvidia-settings.desktop
+
+		exeinto /etc/X11/xinit/xinitrc.d
+		newexe "${FILESDIR}"/95-nvidia-settings-r1 95-nvidia-settings
+	fi
+
+	dobin ${NV_OBJ}/nvidia-bug-report.sh
+
+	if has_multilib_profile && use multilib; then
+		local OABI=${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"
+
+	# Documentation
+	if use kernel_FreeBSD; then
+		dodoc "${NV_DOC}/README"
+		use X && doman "${NV_MAN}"/nvidia-xconfig.1
+		use tools && 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
+		use X && doman "${NV_MAN}"/nvidia-xconfig.1
+		use tools && doman "${NV_MAN}"/nvidia-settings.1
+		doman "${NV_MAN}"/nvidia-cuda-mps-control.1
+	fi
+
+	readme.gentoo_create_doc
+
+	docinto html
+	dodoc -r ${NV_DOC}/html/*
+}
+
+src_install-libs() {
+	local inslibdir=$(get_libdir)
+	if use libglvnd; then
+		local GL_ROOT="/usr/$(get_libdir)"
+	else
+		local GL_ROOT="/usr/$(get_libdir)/opengl/nvidia/lib"
+	fi
+	local CL_ROOT="/usr/$(get_libdir)/OpenCL/vendors/nvidia"
+	local nv_libdir="${NV_OBJ}"
+
+	if use kernel_linux && has_multilib_profile && [[ ${ABI} == "x86" ]]; then
+		nv_libdir="${NV_OBJ}"/32
+	fi
+
+	if use X; then
+		NV_GLX_LIBRARIES=(
+			"libEGL_nvidia.so.${NV_SOVER} ${GL_ROOT}"
+			"libGLESv1_CM_nvidia.so.${NV_SOVER} ${GL_ROOT}"
+			"libGLESv2_nvidia.so.${NV_SOVER} ${GL_ROOT}"
+			"libGLX_nvidia.so.${NV_SOVER} ${GL_ROOT}"
+			"libOpenCL.so.1.0.0 ${CL_ROOT}"
+			"libcuda.so.${NV_SOVER}"
+			"libnvcuvid.so.${NV_SOVER}"
+			"libnvidia-compiler.so.${NV_SOVER}"
+			"libnvidia-eglcore.so.${NV_SOVER}"
+			"libnvidia-encode.so.${NV_SOVER}"
+			"libnvidia-fatbinaryloader.so.${NV_SOVER}"
+			"libnvidia-fbc.so.${NV_SOVER}"
+			"libnvidia-glcore.so.${NV_SOVER}"
+			"libnvidia-glsi.so.${NV_SOVER}"
+			"libnvidia-ifr.so.${NV_SOVER}"
+			"libnvidia-opencl.so.${NV_SOVER}"
+			"libnvidia-ptxjitcompiler.so.${NV_SOVER}"
+			"libvdpau_nvidia.so.${NV_SOVER}"
+		)
+		if ! use libglvnd; then
+			NV_GLX_LIBRARIES+=(
+				"libEGL.so.$(usex compat ${NV_SOVER} 1.1.0) ${GL_ROOT}"
+				"libGL.so.$(usex compat ${NV_SOVER} 1.7.0) ${GL_ROOT}"
+				"libGLESv1_CM.so.1.2.0 ${GL_ROOT}"
+				"libGLESv2.so.2.1.0 ${GL_ROOT}"
+				"libGLX.so.0 ${GL_ROOT}"
+				"libGLdispatch.so.0 ${GL_ROOT}"
+				"libOpenGL.so.0 ${GL_ROOT}"
+			)
+		fi
+
+		if use wayland && has_multilib_profile && [[ ${ABI} == "amd64" ]];
+		then
+			NV_GLX_LIBRARIES+=(
+				"libnvidia-egl-wayland.so.1.0.2"
+			)
+		fi
+
+		if use kernel_linux && has_multilib_profile && [[ ${ABI} == "amd64" ]];
+		then
+			NV_GLX_LIBRARIES+=(
+				"libnvidia-wfb.so.${NV_SOVER}"
+			)
+		fi
+
+		if use kernel_FreeBSD; then
+			NV_GLX_LIBRARIES+=(
+				"libnvidia-tls.so.${NV_SOVER}"
+			)
+		fi
+
+		if use kernel_linux; then
+			NV_GLX_LIBRARIES+=(
+				"libnvidia-ml.so.${NV_SOVER}"
+				"tls/libnvidia-tls.so.${NV_SOVER}"
+			)
+		fi
+
+		for NV_LIB in "${NV_GLX_LIBRARIES[@]}"; do
+			donvidia "${nv_libdir}"/${NV_LIB}
+		done
+	fi
+}
+
+pkg_preinst() {
+	if use driver && use kernel_linux; then
+		linux-mod_pkg_preinst
+
+		local videogroup="$(getent group video | cut -d ':' -f 3)"
+		if [ -z "${videogroup}" ]; then
+			eerror "Failed to determine the video group gid"
+			die "Failed to determine the video group gid"
+		else
+			sed -i \
+				-e "s:PACKAGE:${PF}:g" \
+				-e "s:VIDEOGID:${videogroup}:" \
+				"${D}"/etc/modprobe.d/nvidia.conf || die
+		fi
+	fi
+
+	# Clean the dynamic libGL stuff's home to ensure
+	# we dont have stale libs floating around
+	if [ -d "${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 "${ROOT}"/etc/env.d/09nvidia
+	fi
+}
+
+pkg_postinst() {
+	use driver && use kernel_linux && linux-mod_pkg_postinst
+
+	# Switch to the nvidia implementation
+	if ! use libglvnd; then
+		use X && "${ROOT}"/usr/bin/eselect opengl set --use-old nvidia
+	fi
+	"${ROOT}"/usr/bin/eselect opencl set --use-old nvidia
+
+	readme.gentoo_print_elog
+
+	if ! use X; then
+		elog "You have elected to not install the X.org driver. Along with"
+		elog "this the OpenGL libraries and VDPAU libraries were not"
+		elog "installed. Additionally, once the driver is loaded your card"
+		elog "and fan will run at max speed which may not be desirable."
+		elog "Use the 'nvidia-smi' init script to have your card and fan"
+		elog "speed scale appropriately."
+		elog
+	fi
+	if ! use tools; then
+		elog "USE=tools controls whether the nvidia-settings application"
+		elog "is installed. If you would like to use it, enable that"
+		elog "flag and re-emerge this ebuild. Optionally you can install"
+		elog "media-video/nvidia-settings"
+		elog
+	fi
+}
+
+pkg_prerm() {
+	if ! use libglvnd; then
+		use X && "${ROOT}"/usr/bin/eselect opengl set --use-old xorg-x11
+	fi
+}
+
+pkg_postrm() {
+	use driver && use kernel_linux && linux-mod_pkg_postrm
+	if ! use libglvnd; then
+		use X && "${ROOT}"/usr/bin/eselect opengl set --use-old xorg-x11
+	fi
+}