gentoo resync : 31.12.2018

2 files changed, 517 insertions, 0 deletions

diff --git a/media-libs/mesa/Manifest b/media-libs/mesa/Manifest
index 08bad4bd317c..8bd5fc61ab54 100644
--- a/media-libs/mesa/Manifest
+++ b/media-libs/mesa/Manifest
@@ -1,7 +1,9 @@
 DIST mesa-18.2.7.tar.xz 11356060 BLAKE2B efad9f46ab1a5d007accce557da717ae69fe49e56f7a4bc90193b91a7d7be22ac899fc37d66fd6e9844091450c999a0288515f3ea39612d3fbe63b426a9690ac SHA512 81f7b7108352cb3d8cf4b600ce2b0db6eb8420df550bf9f7087d83c2ab0f8dc32abe188f8ce5f52066e432fb64d9d17fc0edfbc9d0cb0650d0041f14064d9d77
+DIST mesa-18.2.8.tar.xz 11385224 BLAKE2B c6fbf71e2ab6837f91dfa996cf7e89e9cae22e219cac56bd4201f7a62c787ddd2f65e7d162a329971018f0b1a796ee1a5b252ee6b43bb3b27a233d67b6cdf615 SHA512 04d5ada9ba3acea853def3ebcbb53ee76936a4cd4229ae753d2ce1b5cf543bea1e5764f2ef2b19735d47d041ba6b0582841bc89e2c9331fdfbd89386f599a1f7
 DIST mesa-18.3.0.tar.xz 11865356 BLAKE2B e9529a6257b3dd914e9bfe5c88bfbc30d652a045dfd9ed1387b12db9e6a89968b3affc5bc91d4d773035c505f32c3749216ae3666787bf97f1b23dcd8e0f7d3a SHA512 6643d8a100c50efee7178fe950e7cccad24c3a98538d3a13c7c6570add30a56776b4e5f279e2b0a20c4038e682e9461ca5a4fd4ac23a7f60d2f4a0c972525c42
 DIST mesa-18.3.1.tar.xz 11865960 BLAKE2B 6863a6d3891d1d2916139f71a5beefd7d83c81a0753d2c6885126636647cb5f7332dc308a9927f149951b122770ed07bc96ff5361dd23fbe1e07fb31d9c05147 SHA512 a68d39158cf1e868d70730d0641a0cfe4c6e5b3cd1bc0c47f54022402aca03503933084f6ddc722bf88c9b6d1281ba5c847ec4fed8092a9b33f90527d08e12db
 EBUILD mesa-18.2.7.ebuild 13582 BLAKE2B 23767ed855b88bbae877fa5d21c97b17fd79d1648e4c2395204ab4e7b26036949b5014eb71c6d070bc992823c122f132048292f5c304392da66fbceb49960c3f SHA512 529e00bb5a0c01e4abdd7017b46a815d66e82f83eb799bfc071c23a365d5a35e9de1e6b429e796f1233b3433dd45b79b2f027355c91c3b6632386abb2b18950e
+EBUILD mesa-18.2.8.ebuild 13582 BLAKE2B 23767ed855b88bbae877fa5d21c97b17fd79d1648e4c2395204ab4e7b26036949b5014eb71c6d070bc992823c122f132048292f5c304392da66fbceb49960c3f SHA512 529e00bb5a0c01e4abdd7017b46a815d66e82f83eb799bfc071c23a365d5a35e9de1e6b429e796f1233b3433dd45b79b2f027355c91c3b6632386abb2b18950e
 EBUILD mesa-18.3.0.ebuild 13704 BLAKE2B 39d69163bca102707ce713ba577736000e2eabe96c5fbbe4b24a2fce2396ab4554be1ce114e311315b58a9607b7d702bacbe2547f109fa306d009993cd7399f5 SHA512 7bef8c12c120e69aa0f167481a8be1a65ff606be4e254bfde563422e74914e570ceb1bf710bd23edce3b22ede5a5f9f308c8681a2b8f5f9f59979fbb152c1e1b
 EBUILD mesa-18.3.1.ebuild 13704 BLAKE2B 39d69163bca102707ce713ba577736000e2eabe96c5fbbe4b24a2fce2396ab4554be1ce114e311315b58a9607b7d702bacbe2547f109fa306d009993cd7399f5 SHA512 7bef8c12c120e69aa0f167481a8be1a65ff606be4e254bfde563422e74914e570ceb1bf710bd23edce3b22ede5a5f9f308c8681a2b8f5f9f59979fbb152c1e1b
 EBUILD mesa-9999.ebuild 13725 BLAKE2B b786f2832136dc5a4973377513d90b1573b065917d971dcce13910cfc2cc1e7b4e329faae108741fd7c23a4c9856e2dc3bd141a80d979e82447312f98739f2eb SHA512 df291492547683d74be6712f180971a0c64e18aa011b7ec69e599a0c54166b63c95c4ec148292c05a13bb7cb58a31b3f8fca45590d2fdd5525d0a2f6b251ffee
diff --git a/media-libs/mesa/mesa-18.2.8.ebuild b/media-libs/mesa/mesa-18.2.8.ebuild
new file mode 100644
index 000000000000..d0b6f1befec9
--- /dev/null
+++ b/media-libs/mesa/mesa-18.2.8.ebuild
@@ -0,0 +1,515 @@
+# Copyright 1999-2018 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+PYTHON_COMPAT=( python2_7 )
+
+inherit llvm meson multilib-minimal pax-utils python-any-r1
+
+OPENGL_DIR="xorg-x11"
+
+MY_P="${P/_/-}"
+
+DESCRIPTION="OpenGL-like graphic library for Linux"
+HOMEPAGE="https://www.mesa3d.org/ https://mesa.freedesktop.org/"
+
+if [[ ${PV} == 9999 ]]; then
+	EGIT_REPO_URI="https://gitlab.freedesktop.org/mesa/mesa.git"
+	EXPERIMENTAL="true"
+	inherit git-r3
+else
+	SRC_URI="https://mesa.freedesktop.org/archive/${MY_P}.tar.xz"
+	KEYWORDS="alpha amd64 arm ~arm64 hppa ia64 ~mips ppc ppc64 s390 ~sh sparc x86 ~amd64-fbsd ~x86-fbsd ~amd64-linux ~x86-linux ~sparc-solaris ~x64-solaris ~x86-solaris"
+fi
+
+LICENSE="MIT"
+SLOT="0"
+RESTRICT="
+	!test? ( test )
+"
+
+RADEON_CARDS="r100 r200 r300 r600 radeon radeonsi"
+VIDEO_CARDS="${RADEON_CARDS} freedreno i915 i965 imx intel nouveau vc4 virgl vivante vmware"
+for card in ${VIDEO_CARDS}; do
+	IUSE_VIDEO_CARDS+=" video_cards_${card}"
+done
+
+IUSE="${IUSE_VIDEO_CARDS}
+	+classic d3d9 debug +dri3 +egl +gallium +gbm gles1 gles2 +llvm lm_sensors
+	opencl osmesa pax_kernel pic selinux test unwind vaapi valgrind vdpau
+	vulkan wayland xa xvmc"
+
+REQUIRED_USE="
+	d3d9?   ( dri3 || ( video_cards_r300 video_cards_r600 video_cards_radeonsi video_cards_nouveau video_cards_vmware ) )
+	gles1?  ( egl )
+	gles2?  ( egl )
+	vulkan? ( dri3
+			  || ( video_cards_i965 video_cards_radeonsi )
+			  video_cards_radeonsi? ( llvm ) )
+	wayland? ( egl gbm )
+	video_cards_freedreno?  ( gallium )
+	video_cards_intel?  ( classic )
+	video_cards_i915?   ( || ( classic gallium ) )
+	video_cards_i965?   ( classic )
+	video_cards_imx?    ( gallium video_cards_vivante )
+	video_cards_nouveau? ( || ( classic gallium ) )
+	video_cards_radeon? ( || ( classic gallium )
+						  gallium? ( x86? ( llvm ) amd64? ( llvm ) ) )
+	video_cards_r100?   ( classic )
+	video_cards_r200?   ( classic )
+	video_cards_r300?   ( gallium x86? ( llvm ) amd64? ( llvm ) )
+	video_cards_r600?   ( gallium )
+	video_cards_radeonsi?   ( gallium llvm )
+	video_cards_vc4? ( gallium )
+	video_cards_virgl? ( gallium )
+	video_cards_vivante? ( gallium gbm )
+	video_cards_vmware? ( gallium )
+"
+
+LIBDRM_DEPSTRING=">=x11-libs/libdrm-2.4.93"
+RDEPEND="
+	!app-eselect/eselect-mesa
+	>=app-eselect/eselect-opengl-1.3.0
+	>=dev-libs/expat-2.1.0-r3:=[${MULTILIB_USEDEP}]
+	>=sys-libs/zlib-1.2.8[${MULTILIB_USEDEP}]
+	>=x11-libs/libX11-1.6.2:=[${MULTILIB_USEDEP}]
+	>=x11-libs/libxshmfence-1.1:=[${MULTILIB_USEDEP}]
+	>=x11-libs/libXdamage-1.1.4-r1:=[${MULTILIB_USEDEP}]
+	>=x11-libs/libXext-1.3.2:=[${MULTILIB_USEDEP}]
+	>=x11-libs/libXxf86vm-1.1.3:=[${MULTILIB_USEDEP}]
+	>=x11-libs/libxcb-1.13:=[${MULTILIB_USEDEP}]
+	x11-libs/libXfixes:=[${MULTILIB_USEDEP}]
+	gallium? (
+		unwind? ( sys-libs/libunwind[${MULTILIB_USEDEP}] )
+		llvm? (
+			video_cards_radeonsi? (
+				virtual/libelf:0=[${MULTILIB_USEDEP}]
+			)
+			video_cards_r600? (
+				virtual/libelf:0=[${MULTILIB_USEDEP}]
+			)
+			video_cards_radeon? (
+				virtual/libelf:0=[${MULTILIB_USEDEP}]
+			)
+		)
+		lm_sensors? ( sys-apps/lm_sensors:=[${MULTILIB_USEDEP}] )
+		opencl? (
+					dev-libs/ocl-icd[khronos-headers,${MULTILIB_USEDEP}]
+					dev-libs/libclc
+					virtual/libelf:0=[${MULTILIB_USEDEP}]
+				)
+		vaapi? (
+			>=x11-libs/libva-1.7.3:=[${MULTILIB_USEDEP}]
+			video_cards_nouveau? ( !<=x11-libs/libva-vdpau-driver-0.7.4-r3 )
+		)
+		vdpau? ( >=x11-libs/libvdpau-1.1:=[${MULTILIB_USEDEP}] )
+		xvmc? ( >=x11-libs/libXvMC-1.0.8:=[${MULTILIB_USEDEP}] )
+	)
+	wayland? (
+		>=dev-libs/wayland-1.15.0:=[${MULTILIB_USEDEP}]
+		>=dev-libs/wayland-protocols-1.8
+	)
+	${LIBDRM_DEPSTRING}[video_cards_freedreno?,video_cards_nouveau?,video_cards_vc4?,video_cards_vivante?,video_cards_vmware?,${MULTILIB_USEDEP}]
+
+	video_cards_intel? (
+		!video_cards_i965? ( ${LIBDRM_DEPSTRING}[video_cards_intel] )
+	)
+	video_cards_i915? ( ${LIBDRM_DEPSTRING}[video_cards_intel] )
+"
+for card in ${RADEON_CARDS}; do
+	RDEPEND="${RDEPEND}
+		video_cards_${card}? ( ${LIBDRM_DEPSTRING}[video_cards_radeon] )
+	"
+done
+RDEPEND="${RDEPEND}
+	video_cards_radeonsi? ( ${LIBDRM_DEPSTRING}[video_cards_amdgpu] )
+"
+
+# Please keep the LLVM dependency block separate. Since LLVM is slotted,
+# we need to *really* make sure we're not pulling one than more slot
+# simultaneously.
+#
+# How to use it:
+# 1. List all the working slots (with min versions) in ||, newest first.
+# 2. Update the := to specify *max* version, e.g. < 7.
+# 3. Specify LLVM_MAX_SLOT, e.g. 6.
+LLVM_MAX_SLOT="7"
+LLVM_DEPSTR="
+	|| (
+		sys-devel/llvm:7[${MULTILIB_USEDEP}]
+		sys-devel/llvm:6[${MULTILIB_USEDEP}]
+		sys-devel/llvm:5[${MULTILIB_USEDEP}]
+		sys-devel/llvm:4[${MULTILIB_USEDEP}]
+		>=sys-devel/llvm-3.9.0:0[${MULTILIB_USEDEP}]
+	)
+	sys-devel/llvm:=[${MULTILIB_USEDEP}]
+"
+LLVM_DEPSTR_AMDGPU=${LLVM_DEPSTR//]/,llvm_targets_AMDGPU(-)]}
+CLANG_DEPSTR=${LLVM_DEPSTR//llvm/clang}
+CLANG_DEPSTR_AMDGPU=${CLANG_DEPSTR//]/,llvm_targets_AMDGPU(-)]}
+RDEPEND="${RDEPEND}
+	llvm? (
+		opencl? (
+			video_cards_r600? (
+				${CLANG_DEPSTR_AMDGPU}
+			)
+			!video_cards_r600? (
+				video_cards_radeonsi? (
+					${CLANG_DEPSTR_AMDGPU}
+				)
+			)
+			!video_cards_r600? (
+				!video_cards_radeonsi? (
+					video_cards_radeon? (
+						${CLANG_DEPSTR_AMDGPU}
+					)
+				)
+			)
+			!video_cards_r600? (
+				!video_cards_radeon? (
+					!video_cards_radeonsi? (
+						${CLANG_DEPSTR}
+					)
+				)
+			)
+		)
+		!opencl? (
+			video_cards_r600? (
+				${LLVM_DEPSTR_AMDGPU}
+			)
+			!video_cards_r600? (
+				video_cards_radeonsi? (
+					${LLVM_DEPSTR_AMDGPU}
+				)
+			)
+			!video_cards_r600? (
+				!video_cards_radeonsi? (
+					video_cards_radeon? (
+						${LLVM_DEPSTR_AMDGPU}
+					)
+				)
+			)
+			!video_cards_r600? (
+				!video_cards_radeon? (
+					!video_cards_radeonsi? (
+						${LLVM_DEPSTR}
+					)
+				)
+			)
+		)
+	)
+"
+unset {LLVM,CLANG}_DEPSTR{,_AMDGPU}
+
+DEPEND="${RDEPEND}
+	${PYTHON_DEPS}
+	opencl? (
+		>=sys-devel/gcc-4.6
+	)
+	sys-devel/bison
+	sys-devel/flex
+	sys-devel/gettext
+	virtual/pkgconfig
+	valgrind? ( dev-util/valgrind )
+	x11-base/xorg-proto
+	x11-libs/libXrandr[${MULTILIB_USEDEP}]
+	$(python_gen_any_dep ">=dev-python/mako-0.8.0[\${PYTHON_USEDEP}]")
+"
+
+S="${WORKDIR}/${MY_P}"
+EGIT_CHECKOUT_DIR=${S}
+
+QA_WX_LOAD="
+x86? (
+	!pic? (
+		usr/lib*/libglapi.so.0.0.0
+		usr/lib*/libGLESv1_CM.so.1.0.0
+		usr/lib*/libGLESv2.so.2.0.0
+		usr/lib*/libGL.so.1.2.0
+		usr/lib*/libOSMesa.so.8.0.0
+	)
+)"
+
+llvm_check_deps() {
+	local flags=${MULTILIB_USEDEP}
+	if use video_cards_r600 || use video_cards_radeon || use video_cards_radeonsi
+	then
+		flags+=",llvm_targets_AMDGPU(-)"
+	fi
+
+	if use opencl; then
+		has_version "sys-devel/clang[${flags}]" || return 1
+	fi
+	has_version "sys-devel/llvm[${flags}]"
+}
+
+pkg_pretend() {
+	if use opencl; then
+		if ! use video_cards_r600 &&
+		   ! use video_cards_radeonsi; then
+			ewarn "Ignoring USE=opencl     since VIDEO_CARDS does not contain r600 or radeonsi"
+		fi
+	fi
+
+	if use vaapi; then
+		if ! use video_cards_r600 &&
+		   ! use video_cards_radeonsi &&
+		   ! use video_cards_nouveau; then
+			ewarn "Ignoring USE=vaapi      since VIDEO_CARDS does not contain r600, radeonsi, or nouveau"
+		fi
+	fi
+
+	if use vdpau; then
+		if ! use video_cards_r300 &&
+		   ! use video_cards_r600 &&
+		   ! use video_cards_radeonsi &&
+		   ! use video_cards_nouveau; then
+			ewarn "Ignoring USE=vdpau      since VIDEO_CARDS does not contain r300, r600, radeonsi, or nouveau"
+		fi
+	fi
+
+	if use xa; then
+		if ! use video_cards_freedreno &&
+		   ! use video_cards_nouveau &&
+		   ! use video_cards_vmware; then
+			ewarn "Ignoring USE=xa         since VIDEO_CARDS does not contain freedreno, nouveau, or vmware"
+		fi
+	fi
+
+	if use xvmc; then
+		if ! use video_cards_r600 &&
+		   ! use video_cards_nouveau; then
+			ewarn "Ignoring USE=xvmc       since VIDEO_CARDS does not contain r600 or nouveau"
+		fi
+	fi
+
+	if ! use gallium; then
+		use lm_sensors && ewarn "Ignoring USE=lm_sensors since USE does not contain gallium"
+		use llvm       && ewarn "Ignoring USE=llvm       since USE does not contain gallium"
+		use opencl     && ewarn "Ignoring USE=opencl     since USE does not contain gallium"
+		use vaapi      && ewarn "Ignoring USE=vaapi      since USE does not contain gallium"
+		use vdpau      && ewarn "Ignoring USE=vdpau      since USE does not contain gallium"
+		use unwind     && ewarn "Ignoring USE=unwind     since USE does not contain gallium"
+		use xa         && ewarn "Ignoring USE=xa         since USE does not contain gallium"
+		use xvmc       && ewarn "Ignoring USE=xvmc       since USE does not contain gallium"
+	fi
+
+	if ! use llvm; then
+		use opencl     && ewarn "Ignoring USE=opencl     since USE does not contain llvm"
+	fi
+}
+
+pkg_setup() {
+	# warning message for bug 459306
+	if use llvm && has_version sys-devel/llvm[!debug=]; then
+		ewarn "Mismatch between debug USE flags in media-libs/mesa and sys-devel/llvm"
+		ewarn "detected! This can cause problems. For details, see bug 459306."
+	fi
+
+	if use llvm; then
+		llvm_pkg_setup
+	fi
+	python-any-r1_pkg_setup
+}
+
+multilib_src_configure() {
+	local emesonargs=()
+
+	if use classic; then
+		# Intel code
+		dri_driver_enable video_cards_i915 i915
+		dri_driver_enable video_cards_i965 i965
+		if ! use video_cards_i915 && \
+			! use video_cards_i965; then
+			dri_driver_enable video_cards_intel i915 i965
+		fi
+
+		# Nouveau code
+		dri_driver_enable video_cards_nouveau nouveau
+
+		# ATI code
+		dri_driver_enable video_cards_r100 r100
+		dri_driver_enable video_cards_r200 r200
+		if ! use video_cards_r100 && \
+			! use video_cards_r200; then
+			dri_driver_enable video_cards_radeon r100 r200
+		fi
+	fi
+
+	emesonargs+=( -Dplatforms=x11,surfaceless$(use wayland && echo ",wayland")$(use gbm && echo ",drm") )
+
+	if use gallium; then
+		emesonargs+=(
+			$(meson_use llvm)
+			$(meson_use lm_sensors lmsensors)
+			$(meson_use unwind libunwind)
+		)
+
+		if use video_cards_r300 ||
+		   use video_cards_r600 ||
+		   use video_cards_radeonsi ||
+		   use video_cards_nouveau ||
+		   use video_cards_vmware; then
+			emesonargs+=($(meson_use d3d9 gallium-nine))
+		else
+			emesonargs+=(-Dgallium-nine=false)
+		fi
+
+		if use video_cards_r600 ||
+		   use video_cards_radeonsi ||
+		   use video_cards_nouveau; then
+			emesonargs+=($(meson_use vaapi gallium-va))
+			use vaapi && emesonargs+=( -Dva-libs-path=/usr/$(get_libdir)/va/drivers )
+		else
+			emesonargs+=(-Dgallium-va=false)
+		fi
+
+		if use video_cards_r300 ||
+		   use video_cards_r600 ||
+		   use video_cards_radeonsi ||
+		   use video_cards_nouveau; then
+			emesonargs+=($(meson_use vdpau gallium-vdpau))
+		else
+			emesonargs+=(-Dgallium-vdpau=false)
+		fi
+
+		if use video_cards_freedreno ||
+		   use video_cards_nouveau ||
+		   use video_cards_vmware; then
+			emesonargs+=($(meson_use xa gallium-xa))
+		else
+			emesonargs+=(-Dgallium-xa=false)
+		fi
+
+		if use video_cards_r600 ||
+		   use video_cards_nouveau; then
+			emesonargs+=($(meson_use xvmc gallium-xvmc))
+		else
+			emesonargs+=(-Dgallium-xvmc=false)
+		fi
+
+		gallium_enable video_cards_vc4 vc4
+		gallium_enable video_cards_vivante etnaviv
+		gallium_enable video_cards_vmware svga
+		gallium_enable video_cards_nouveau nouveau
+		gallium_enable video_cards_imx imx
+
+		# Only one i915 driver (classic vs gallium). Default to classic.
+		if ! use classic; then
+			gallium_enable video_cards_i915 i915
+			if ! use video_cards_i915 && \
+				! use video_cards_i965; then
+				gallium_enable video_cards_intel i915
+			fi
+		fi
+
+		gallium_enable video_cards_r300 r300
+		gallium_enable video_cards_r600 r600
+		gallium_enable video_cards_radeonsi radeonsi
+		if ! use video_cards_r300 && \
+			! use video_cards_r600; then
+			gallium_enable video_cards_radeon r300 r600
+		fi
+
+		gallium_enable video_cards_freedreno freedreno
+		gallium_enable video_cards_virgl virgl
+
+		# opencl stuff
+		emesonargs+=(
+			-Dgallium-opencl="$(usex opencl icd disabled)"
+		)
+	fi
+
+	if use vulkan; then
+		vulkan_enable video_cards_i965 intel
+		vulkan_enable video_cards_radeonsi amd
+	fi
+
+	# x86 hardened pax_kernel needs glx-rts, bug 240956
+	if [[ ${ABI} == x86 ]]; then
+		emesonargs+=( $(meson_use pax_kernel glx-read-only-text) )
+	fi
+
+	# on abi_x86_32 hardened we need to have asm disable
+	if [[ ${ABI} == x86* ]] && use pic; then
+		emesonargs+=( -Dasm=false )
+	fi
+
+	if use gallium; then
+		gallium_enable -- swrast
+		emesonargs+=( -Dosmesa=$(usex osmesa gallium none) )
+	else
+		dri_driver_enable -- swrast
+		emesonargs+=( -Dosmesa=$(usex osmesa classic none) )
+	fi
+
+	driver_list() {
+		local drivers="$(sort -u <<< "${1// /$'\n'}")"
+		echo "${drivers//$'\n'/,}"
+	}
+
+	emesonargs+=(
+		$(meson_use test build-tests)
+		-Dglx=dri
+		-Dshared-glapi=true
+		$(meson_use dri3)
+		$(meson_use egl)
+		$(meson_use gbm)
+		$(meson_use gles1)
+		$(meson_use gles2)
+		$(meson_use selinux)
+		-Dvalgrind=$(usex valgrind auto false)
+		-Ddri-drivers=$(driver_list "${DRI_DRIVERS[*]}")
+		-Dgallium-drivers=$(driver_list "${GALLIUM_DRIVERS[*]}")
+		-Dvulkan-drivers=$(driver_list "${VULKAN_DRIVERS[*]}")
+		--buildtype $(usex debug debug plain)
+		-Db_ndebug=$(usex debug false true)
+	)
+	meson_src_configure
+}
+
+multilib_src_compile() {
+	meson_src_compile
+}
+
+multilib_src_install() {
+	meson_src_install
+}
+
+multilib_src_install_all() {
+	einstalldocs
+}
+
+multilib_src_test() {
+	meson_src_test
+}
+
+pkg_postinst() {
+	# Switch to the xorg implementation.
+	echo
+	eselect opengl set --use-old ${OPENGL_DIR}
+}
+
+# $1 - VIDEO_CARDS flag (check skipped for "--")
+# other args - names of DRI drivers to enable
+dri_driver_enable() {
+	if [[ $1 == -- ]] || use $1; then
+		shift
+		DRI_DRIVERS+=("$@")
+	fi
+}
+
+gallium_enable() {
+	if [[ $1 == -- ]] || use $1; then
+		shift
+		GALLIUM_DRIVERS+=("$@")
+	fi
+}
+
+vulkan_enable() {
+	if [[ $1 == -- ]] || use $1; then
+		shift
+		VULKAN_DRIVERS+=("$@")
+	fi
+}