[gentoo-commits] proj/musl:master commit in: media-libs/mesa/

["Aric Belsito" <lluixhi@gmail.com>]

commit:     4293b45e20d011890796f4aca100dd06d45fa7bb
Author:     Aric Belsito <lluixhi <AT> gmail <DOT> com>
AuthorDate: Mon May  8 20:54:53 2017 +0000
Commit:     Aric Belsito <lluixhi <AT> gmail <DOT> com>
CommitDate: Mon May  8 20:54:53 2017 +0000
URL:        https://gitweb.gentoo.org/proj/musl.git/commit/?id=4293b45e

media-libs/mesa: version bump to 17.1.0_rc4

 media-libs/mesa/Manifest               |   2 +
 media-libs/mesa/mesa-17.1.0_rc4.ebuild | 504 +++++++++++++++++++++++++++++++++
 2 files changed, 506 insertions(+)

diff --git a/media-libs/mesa/Manifest b/media-libs/mesa/Manifest
index af02d88..ba868f0 100644
--- a/media-libs/mesa/Manifest
+++ b/media-libs/mesa/Manifest
@@ -5,7 +5,9 @@ AUX mesa-13-musl_endian.patch 417 SHA256 3686132ef3a57b607c223705a18f32da7fa7f58
 DIST mesa-13.0.5.tar.xz 9171480 SHA256 bfcea7e2c801525a60895c8aff11aa68457ee9aa35d01a4638e1f310a3f5ef87 SHA512 db5f6a97b40ee6e45ba81280ab4543354e9f274c7112c5a43b8970244f329902a22f68d5eeddad5b64502507f462ffbcc028efc5dff93822adf95d30ba5903c1 WHIRLPOOL 164116608908331d4e8d69c4d2b92dc22e8e6d98725a20e8c2da5cc24b4e9ae9e05ee9c7209d55371b419e0f4e6c1d4752a46d149a968a6b83612aa77f7e480e
 DIST mesa-13.0.6.tar.xz 9179236 SHA256 29ef104a7fc082d352b1599bd6cb1d040be424ccd22f5e0eb7ee9b0e9acd3597 SHA512 2455e044647f674c2f1dd524143b61b8630713fa929bbf6fe1c981436a9c08dc933553d638a22b32d2799afb77be746355b48b1b20af172141c5b63891e94441 WHIRLPOOL 1fdaaf29de96225cf41a3bdeb559a35cf20fda524f80985b2bfdc52095dcb7f6b320704b7ccf754a6f80555925a6a80dfa2b1115a4bdd9bdc1ebb672f115208a
 DIST mesa-17.0.5.tar.xz 9492760 SHA256 668efa445d2f57a26e5c096b1965a685733a3b57d9c736f9d6460263847f9bfe SHA512 942fa62c9098bcd030856cd622696eae418f292addb912e1d558cf27d396f25c3f2000dae97a12d1ff233f1ea157497259442082005035bb27b9bafb2cfc33c3 WHIRLPOOL 84ed3198a5f36541ebe966d8375b240be6ff815817b8cd8cf136941122b69df2ab2a5cdad93a255e03653e05c1db805693fa2e58082bf575341acbc9e887b862
+DIST mesa-17.1.0-rc4.tar.xz 9848344 SHA256 dadd8f28ca8f5c02ec456bb2919da59b369957d5792f66c2e58016ee8692ea7d SHA512 abea1757949c4b4ab4e484d8998509215c20ca1488e8c16f6a982b13461a7f5bf557fb3b731b2312e45c236918147530d0bb4d4729ab872cd8d6315ea2627521 WHIRLPOOL 81905add689e2239b55d0012e3fa0aa1fcfdeeedc9a5e7e60ebca053ffed45d0fa963119d34128217c5a954d0e32206250b351dca8b956af20310d72b3fdcb7b
 EBUILD mesa-13.0.5.ebuild 13658 SHA256 c2d8750e43354a05926dd17e7bba27a9c348ea49d723ed3a0045f5b8dd34f639 SHA512 30af415e1448909b0420080edf24b8006cc55d8b0b70d0d9b6f2c5f5d40b710c5ebb463f1203204de5e7e71bcb68564d490bd61be8c52362e0219d62074eb279 WHIRLPOOL de6f514c8d879c41b7f63429d45790f133b1c60412262f0b38bffc5cae69f8621bbbbc988fc851f5c764a7867a5a22885391f80ab342ff4e84cf5b2bf0798a2c
 EBUILD mesa-13.0.6.ebuild 13584 SHA256 3bfff928951edec571894f54fada7bb718e95e94f82806764731d09522b5304d SHA512 1fb15e100deeb50f5de436e2ffe3e131ebe3badb820aa1ddef8cfa691426b42bd3fbe66fd55cd848f9c5f6de9b5dd396f6879813730fb0a234a96a818a71b1cc WHIRLPOOL 6a7d6a0c01a847bfdb8bdeb3fa7ff558e4f3ac77b6f3f4334037ab3098f7763fe26de34378a49a57cbbefdec6ab22952cb0c948517b0885d882e0b92626af585
 EBUILD mesa-17.0.5.ebuild 13611 SHA256 06e11aa4c7e3a6bec9294c7028c907c5480dce3ee4c95052491712dbdb91a808 SHA512 0fcfdc77728a7ab3d629bee9f399a59c1d63c593a6987d71f2766c2f3aba813ee6e36795f2d518e3309a14147a093b1616ab2fe0dfcdf43a2fcc498d62fbc0a2 WHIRLPOOL 92aca377f74604808a5ea904dde89bc48f26e3607a8bd3acef00e2eac50f6a011f177a224fbcb542f94cbeebc00e4757aec4abe0e501f19f9263c90b26494deb
+EBUILD mesa-17.1.0_rc4.ebuild 13374 SHA256 e1a93c597fb7506fc5be4da299746a6e85e20d3983fbc7baf64126f3a7094686 SHA512 76c50af9f4166f88c9dfff40e7104221a756e8a4555ebc9131195c11dceb30f413867c7b90280ef20ee80699fdb056aa288cc63f5bdeac4237a769617ccc140a WHIRLPOOL 0024b4ce846fab73817fb0537eef29270386d732d40144170f59ddb691c076f2ce2295420b383e271c2d95d8c2011066d021061a600556e561cfb8fb0df52ae1
 MISC metadata.xml 2440 SHA256 98874315e8480a14f26b8395eb2573b85dbe402a8bb30a72aa2cc884bc0512a2 SHA512 47237a5fd95a9c58b1857b27da2558ecf46266630eeb7514db2f276f0a8c82a0751122d71a27b4949a1a66df75bbe9e5a833b1f12a86214614e6777849d4c5d8 WHIRLPOOL 5742264ad29f82e98a96044efb74fb230e7a8cc4d58ad569676e8ffc9a86873d5148de86e8a101a11ee465e204cae47f1ec8d50ba8a8c0d75070cb705a03eef8

diff --git a/media-libs/mesa/mesa-17.1.0_rc4.ebuild b/media-libs/mesa/mesa-17.1.0_rc4.ebuild
new file mode 100644
index 0000000..58baa66
--- /dev/null
+++ b/media-libs/mesa/mesa-17.1.0_rc4.ebuild
@@ -0,0 +1,504 @@
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+EGIT_REPO_URI="https://anongit.freedesktop.org/git/mesa/mesa.git"
+
+if [[ ${PV} = 9999 ]]; then
+	GIT_ECLASS="git-r3"
+	EXPERIMENTAL="true"
+fi
+
+PYTHON_COMPAT=( python2_7 )
+
+inherit autotools llvm multilib-minimal python-any-r1 pax-utils ${GIT_ECLASS}
+
+OPENGL_DIR="xorg-x11"
+
+MY_P="${P/_/-}"
+
+DESCRIPTION="OpenGL-like graphic library for Linux"
+HOMEPAGE="https://www.mesa3d.org/"
+
+if [[ $PV == 9999 ]]; then
+	SRC_URI=""
+else
+	SRC_URI="https://mesa.freedesktop.org/archive/${MY_P}.tar.xz"
+	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~amd64-fbsd ~x86-fbsd ~amd64-linux ~arm-linux ~x86-linux ~sparc-solaris ~x64-solaris ~x86-solaris"
+fi
+
+LICENSE="MIT"
+SLOT="0"
+RESTRICT="!bindist? ( bindist )"
+
+INTEL_CARDS="i915 i965 intel"
+RADEON_CARDS="r100 r200 r300 r600 radeon radeonsi"
+VIDEO_CARDS="${INTEL_CARDS} ${RADEON_CARDS} freedreno imx nouveau vc4 vivante vmware"
+for card in ${VIDEO_CARDS}; do
+	IUSE_VIDEO_CARDS+=" video_cards_${card}"
+done
+
+IUSE="${IUSE_VIDEO_CARDS}
+	bindist +classic d3d9 debug +dri3 +egl +gallium +gbm gles1 gles2 +llvm
+	+nptl opencl osmesa pax_kernel openmax pic selinux vaapi valgrind vdpau
+	vulkan wayland xvmc xa"
+
+REQUIRED_USE="
+	d3d9?   ( dri3 gallium )
+	llvm?   ( gallium )
+	opencl? ( gallium llvm )
+	openmax? ( gallium )
+	gles1?  ( egl )
+	gles2?  ( egl )
+	vaapi? ( gallium )
+	vdpau? ( gallium )
+	vulkan? ( || ( video_cards_i965 video_cards_radeonsi )
+	          video_cards_radeonsi? ( llvm ) )
+	wayland? ( egl gbm )
+	xa?  ( gallium )
+	video_cards_freedreno?  ( gallium )
+	video_cards_intel?  ( classic )
+	video_cards_i915?   ( || ( classic gallium ) )
+	video_cards_i965?   ( classic )
+	video_cards_imx?    ( gallium )
+	video_cards_nouveau? ( || ( classic gallium ) )
+	video_cards_radeon? ( || ( classic gallium )
+						  gallium? ( x86? ( llvm ) amd64? ( llvm ) ) )
+	video_cards_r100?   ( classic )
+	video_cards_r200?   ( classic )
+	video_cards_r300?   ( gallium x86? ( llvm ) amd64? ( llvm ) )
+	video_cards_r600?   ( gallium )
+	video_cards_radeonsi?   ( gallium llvm )
+	video_cards_vivante? ( gallium gbm )
+	video_cards_vmware? ( gallium )
+"
+
+LIBDRM_DEPSTRING=">=x11-libs/libdrm-2.4.77"
+# keep correct libdrm and dri2proto dep
+# keep blocks in rdepend for binpkg
+RDEPEND="
+	!<x11-base/xorg-server-1.7
+	!<=x11-proto/xf86driproto-2.0.3
+	abi_x86_32? ( !app-emulation/emul-linux-x86-opengl[-abi_x86_32(-)] )
+	classic? ( app-eselect/eselect-mesa )
+	gallium? ( app-eselect/eselect-mesa )
+	>=app-eselect/eselect-opengl-1.3.0
+	>=dev-libs/expat-2.1.0-r3:=[${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-1.9.3:=[${MULTILIB_USEDEP}]
+	x11-libs/libXfixes:=[${MULTILIB_USEDEP}]
+	llvm? (
+		video_cards_radeonsi? (
+			virtual/libelf:0=[${MULTILIB_USEDEP}]
+			vulkan? ( >=sys-devel/llvm-3.9.0:=[${MULTILIB_USEDEP}] )
+		)
+		video_cards_r600? (
+			virtual/libelf:0=[${MULTILIB_USEDEP}]
+		)
+		video_cards_radeon? (
+			virtual/libelf:0=[${MULTILIB_USEDEP}]
+		)
+		>=sys-devel/llvm-3.6.0:=[${MULTILIB_USEDEP}]
+	)
+	opencl? (
+				app-eselect/eselect-opencl
+				dev-libs/libclc
+				virtual/libelf:0=[${MULTILIB_USEDEP}]
+			)
+	openmax? ( >=media-libs/libomxil-bellagio-0.9.3:=[${MULTILIB_USEDEP}] )
+	vaapi? (
+		>=x11-libs/libva-1.6.0:=[${MULTILIB_USEDEP}]
+		video_cards_nouveau? ( !<=x11-libs/libva-vdpau-driver-0.7.4-r3 )
+	)
+	vdpau? ( >=x11-libs/libvdpau-1.1:=[${MULTILIB_USEDEP}] )
+	wayland? ( >=dev-libs/wayland-1.11.0:=[${MULTILIB_USEDEP}] )
+	xvmc? ( >=x11-libs/libXvMC-1.0.8:=[${MULTILIB_USEDEP}] )
+	${LIBDRM_DEPSTRING}[video_cards_freedreno?,video_cards_nouveau?,video_cards_vc4?,video_cards_vivante?,video_cards_vmware?,${MULTILIB_USEDEP}]
+"
+for card in ${INTEL_CARDS}; do
+	RDEPEND="${RDEPEND}
+		video_cards_${card}? ( ${LIBDRM_DEPSTRING}[video_cards_intel] )
+	"
+done
+
+for card in ${RADEON_CARDS}; do
+	RDEPEND="${RDEPEND}
+		video_cards_${card}? ( ${LIBDRM_DEPSTRING}[video_cards_radeon] )
+	"
+done
+RDEPEND="${RDEPEND}
+	video_cards_radeonsi? ( ${LIBDRM_DEPSTRING}[video_cards_amdgpu] )
+"
+
+# FIXME: kill the sys-devel/llvm[video_cards_radeon] compat once
+# LLVM < 3.9 is out of the game
+DEPEND="${RDEPEND}
+	${PYTHON_DEPS}
+	llvm? (
+		video_cards_radeonsi? ( || (
+			sys-devel/llvm[llvm_targets_AMDGPU]
+			sys-devel/llvm[video_cards_radeon]
+		) )
+	)
+	opencl? (
+				>=sys-devel/llvm-3.6.0:=[${MULTILIB_USEDEP}]
+				>=sys-devel/clang-3.6.0:=[${MULTILIB_USEDEP}]
+				>=sys-devel/gcc-4.6
+	)
+	sys-devel/gettext
+	virtual/pkgconfig
+	valgrind? ( dev-util/valgrind )
+	>=x11-proto/dri2proto-2.8-r1:=[${MULTILIB_USEDEP}]
+	dri3? (
+		>=x11-proto/dri3proto-1.0:=[${MULTILIB_USEDEP}]
+		>=x11-proto/presentproto-1.0:=[${MULTILIB_USEDEP}]
+	)
+	>=x11-proto/glproto-1.4.17-r1:=[${MULTILIB_USEDEP}]
+	>=x11-proto/xextproto-7.2.1-r1:=[${MULTILIB_USEDEP}]
+	>=x11-proto/xf86driproto-2.1.1-r1:=[${MULTILIB_USEDEP}]
+	>=x11-proto/xf86vidmodeproto-2.3.1-r1:=[${MULTILIB_USEDEP}]
+"
+[[ ${PV} == 9999 ]] && DEPEND+="
+	sys-devel/bison
+	sys-devel/flex
+	$(python_gen_any_dep ">=dev-python/mako-0.7.3[\${PYTHON_USEDEP}]")
+"
+
+S="${WORKDIR}/${MY_P}"
+EGIT_CHECKOUT_DIR=${S}
+
+QA_WX_LOAD="
+x86? (
+	!pic? (
+		usr/lib*/libglapi.so.0.0.0
+		usr/lib*/libGLESv1_CM.so.1.1.0
+		usr/lib*/libGLESv2.so.2.0.0
+		usr/lib*/libGL.so.1.2.0
+		usr/lib*/libOSMesa.so.8.0.0
+	)
+)"
+
+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 || use opencl; then
+		llvm_pkg_setup
+	fi
+	python-any-r1_pkg_setup
+}
+
+src_prepare() {
+	eapply "${FILESDIR}"/${PN}-11-execinfo.patch
+	eapply "${FILESDIR}"/${PN}-13-musl_endian.patch
+
+	eautoreconf
+
+	eapply_user
+}
+
+multilib_src_configure() {
+	local myconf
+
+	if use classic; then
+		# Configurable DRI drivers
+		driver_enable swrast
+
+		# Intel code
+		driver_enable video_cards_i915 i915
+		driver_enable video_cards_i965 i965
+		if ! use video_cards_i915 && \
+			! use video_cards_i965; then
+			driver_enable video_cards_intel i915 i965
+		fi
+
+		# Nouveau code
+		driver_enable video_cards_nouveau nouveau
+
+		# ATI code
+		driver_enable video_cards_r100 radeon
+		driver_enable video_cards_r200 r200
+		if ! use video_cards_r100 && \
+				! use video_cards_r200; then
+			driver_enable video_cards_radeon radeon r200
+		fi
+	fi
+
+	if use egl; then
+		myconf+=" --with-egl-platforms=x11$(use wayland && echo ",wayland")$(use gbm && echo ",drm")"
+	fi
+
+	if use gallium; then
+		myconf+="
+			$(use_enable d3d9 nine)
+			$(use_enable llvm)
+			$(use_enable openmax omx)
+			$(use_enable vaapi va)
+			$(use_enable vdpau)
+			$(use_enable xa)
+			$(use_enable xvmc)
+		"
+		use vaapi && myconf+=" --with-va-libdir=/usr/$(get_libdir)/va/drivers"
+
+		gallium_enable swrast
+		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_i915 i915
+		gallium_enable video_cards_imx imx
+		if ! use video_cards_i915 && \
+			! use video_cards_i965; then
+			gallium_enable video_cards_intel i915
+		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
+		# opencl stuff
+		if use opencl; then
+			myconf+="
+				$(use_enable opencl)
+				--with-clang-libdir="${EPREFIX}/usr/lib"
+				"
+		fi
+	fi
+
+	if use vulkan; then
+		vulkan_enable video_cards_i965 intel
+		vulkan_enable video_cards_radeonsi radeon
+	fi
+
+	# x86 hardened pax_kernel needs glx-rts, bug 240956
+	if [[ ${ABI} == x86 ]]; then
+		myconf+=" $(use_enable pax_kernel glx-read-only-text)"
+	fi
+
+	# on abi_x86_32 hardened we need to have asm disable
+	if [[ ${ABI} == x86* ]] && use pic; then
+		myconf+=" --disable-asm"
+	fi
+
+	if use gallium; then
+		myconf+=" $(use_enable osmesa gallium-osmesa)"
+	else
+		myconf+=" $(use_enable osmesa)"
+	fi
+
+	# build fails with BSD indent, bug #428112
+	use userland_GNU || export INDENT=cat
+
+	ECONF_SOURCE="${S}" \
+	econf \
+		--enable-dri \
+		--enable-glx \
+		--enable-shared-glapi \
+		$(use_enable !bindist texture-float) \
+		$(use_enable d3d9 nine) \
+		$(use_enable debug) \
+		$(use_enable dri3) \
+		$(use_enable egl) \
+		$(use_enable gbm) \
+		$(use_enable gles1) \
+		$(use_enable gles2) \
+		$(use_enable nptl glx-tls) \
+		--enable-valgrind=$(usex valgrind auto no) \
+		--enable-llvm-shared-libs \
+		--with-dri-drivers=${DRI_DRIVERS} \
+		--with-gallium-drivers=${GALLIUM_DRIVERS} \
+		--with-vulkan-drivers=${VULKAN_DRIVERS} \
+		PYTHON2="${PYTHON}" \
+		${myconf}
+}
+
+multilib_src_install() {
+	emake install DESTDIR="${D}"
+
+	if use classic || use gallium; then
+			ebegin "Moving DRI/Gallium drivers for dynamic switching"
+			local gallium_drivers=( i915_dri.so i965_dri.so r300_dri.so r600_dri.so swrast_dri.so )
+			keepdir /usr/$(get_libdir)/dri
+			dodir /usr/$(get_libdir)/mesa
+			for x in ${gallium_drivers[@]}; do
+				if [ -f "$(get_libdir)/gallium/${x}" ]; then
+					mv -f "${ED}/usr/$(get_libdir)/dri/${x}" "${ED}/usr/$(get_libdir)/dri/${x/_dri.so/g_dri.so}" \
+						|| die "Failed to move ${x}"
+				fi
+			done
+			if use classic; then
+				emake -C "${BUILD_DIR}/src/mesa/drivers/dri" DESTDIR="${D}" install
+			fi
+			for x in "${ED}"/usr/$(get_libdir)/dri/*.so; do
+				if [ -f ${x} -o -L ${x} ]; then
+					mv -f "${x}" "${x/dri/mesa}" \
+						|| die "Failed to move ${x}"
+				fi
+			done
+			pushd "${ED}"/usr/$(get_libdir)/dri || die "pushd failed"
+			ln -s ../mesa/*.so . || die "Creating symlink failed"
+			# remove symlinks to drivers known to eselect
+			for x in ${gallium_drivers[@]}; do
+				if [ -f ${x} -o -L ${x} ]; then
+					rm "${x}" || die "Failed to remove ${x}"
+				fi
+			done
+			popd
+		eend $?
+	fi
+	if use opencl; then
+		ebegin "Moving Gallium/Clover OpenCL implementation for dynamic switching"
+		local cl_dir="/usr/$(get_libdir)/OpenCL/vendors/mesa"
+		dodir ${cl_dir}/{lib,include}
+		if [ -f "${ED}/usr/$(get_libdir)/libOpenCL.so" ]; then
+			mv -f "${ED}"/usr/$(get_libdir)/libOpenCL.so* \
+			"${ED}"${cl_dir}
+		fi
+		if [ -f "${ED}/usr/include/CL/opencl.h" ]; then
+			mv -f "${ED}"/usr/include/CL \
+			"${ED}"${cl_dir}/include
+		fi
+		eend $?
+	fi
+
+	if use openmax; then
+		echo "XDG_DATA_DIRS=\"${EPREFIX}/usr/share/mesa/xdg\"" > "${T}/99mesaxdgomx"
+		doenvd "${T}"/99mesaxdgomx
+		keepdir /usr/share/mesa/xdg
+	fi
+}
+
+multilib_src_install_all() {
+	find "${ED}" -name '*.la' -delete
+	einstalldocs
+
+	if use !bindist; then
+		dodoc docs/patents.txt
+	fi
+
+	# Install config file for eselect mesa
+	insinto /usr/share/mesa
+	newins "${FILESDIR}/eselect-mesa.conf.9.2" eselect-mesa.conf
+}
+
+multilib_src_test() {
+	if use llvm; then
+		local llvm_tests='lp_test_arit lp_test_arit lp_test_blend lp_test_blend lp_test_conv lp_test_conv lp_test_format lp_test_format lp_test_printf lp_test_printf'
+		pushd src/gallium/drivers/llvmpipe >/dev/null || die
+		emake ${llvm_tests}
+		pax-mark m ${llvm_tests}
+		popd >/dev/null || die
+	fi
+	emake check
+}
+
+pkg_postinst() {
+	# Switch to the xorg implementation.
+	echo
+	eselect opengl set --use-old ${OPENGL_DIR}
+
+	# Select classic/gallium drivers
+	if use classic || use gallium; then
+		eselect mesa set --auto
+	fi
+
+	# Switch to mesa opencl
+	if use opencl; then
+		eselect opencl set --use-old ${PN}
+	fi
+
+	# run omxregister-bellagio to make the OpenMAX drivers known system-wide
+	if use openmax; then
+		ebegin "Registering OpenMAX drivers"
+		BELLAGIO_SEARCH_PATH="${EPREFIX}/usr/$(get_libdir)/libomxil-bellagio0" \
+			OMX_BELLAGIO_REGISTRY=${EPREFIX}/usr/share/mesa/xdg/.omxregister \
+			omxregister-bellagio
+		eend $?
+	fi
+
+	# warn about patent encumbered texture-float
+	if use !bindist; then
+		elog "USE=\"bindist\" was not set. Potentially patent encumbered code was"
+		elog "enabled. Please see patents.txt for an explanation."
+	fi
+
+	if ! has_version media-libs/libtxc_dxtn; then
+		elog "Note that in order to have full S3TC support, it is necessary to install"
+		elog "media-libs/libtxc_dxtn as well. This may be necessary to get nice"
+		elog "textures in some apps, and some others even require this to run."
+	fi
+}
+
+pkg_prerm() {
+	if use openmax; then
+		rm "${EPREFIX}"/usr/share/mesa/xdg/.omxregister
+	fi
+}
+
+# $1 - VIDEO_CARDS flag
+# other args - names of DRI drivers to enable
+# TODO: avoid code duplication for a more elegant implementation
+driver_enable() {
+	case $# in
+		# for enabling unconditionally
+		1)
+			DRI_DRIVERS+=",$1"
+			;;
+		*)
+			if use $1; then
+				shift
+				for i in $@; do
+					DRI_DRIVERS+=",${i}"
+				done
+			fi
+			;;
+	esac
+}
+
+gallium_enable() {
+	case $# in
+		# for enabling unconditionally
+		1)
+			GALLIUM_DRIVERS+=",$1"
+			;;
+		*)
+			if use $1; then
+				shift
+				for i in $@; do
+					GALLIUM_DRIVERS+=",${i}"
+				done
+			fi
+			;;
+	esac
+}
+
+vulkan_enable() {
+	case $# in
+		# for enabling unconditionally
+		1)
+			VULKAN_DRIVERS+=",$1"
+			;;
+		*)
+			if use $1; then
+				shift
+				for i in $@; do
+					VULKAN_DRIVERS+=",${i}"
+				done
+			fi
+			;;
+	esac
+}