media-gfx/blender: eigen 3.3.1 compile fix and openvdb 4 support

* Added a patch to compile against eigen 3.3.1
* Added compile fix against OpenVDB 4
* OpenVDB 4 hard enables compression, so removed USE Flags and
  hard enable it for OVB 3.2 for future compatibility

Signed-off by: Jonathan Scruggs (j.scruggs@gmail.com)
Closes: https://github.com/gentoo/gentoo/pull/3474

4 files changed, 624 insertions, 4 deletions

diff --git a/media-gfx/blender/blender-2.78-r1.ebuild b/media-gfx/blender/blender-2.78-r1.ebuild
new file mode 100644
index 000000000000..6ee5c38643d3
--- /dev/null
+++ b/media-gfx/blender/blender-2.78-r1.ebuild
@@ -0,0 +1,300 @@
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=6
+PYTHON_COMPAT=( python3_5 )
+
+inherit check-reqs cmake-utils fdo-mime flag-o-matic gnome2-utils \
+	pax-utils python-single-r1 toolchain-funcs versionator
+
+DESCRIPTION="3D Creation/Animation/Publishing System"
+HOMEPAGE="http://www.blender.org"
+
+SRC_URI="http://download.blender.org/source/${P}.tar.gz"
+
+# Blender can have letters in the version string,
+# so strip of the letter if it exists.
+MY_PV="$(get_version_component_range 1-2)"
+
+SLOT="0"
+LICENSE="|| ( GPL-2 BL )"
+KEYWORDS="~amd64 ~x86"
+IUSE="+boost +bullet +dds +elbeem +game-engine +openexr collada colorio \
+	cuda cycles debug doc ffmpeg fftw headless jack jemalloc jpeg2k libav \
+	llvm man ndof nls openal opencl openimageio openmp opensubdiv openvdb \
+	player sdl sndfile test tiff valgrind"
+
+# OpenCL and nVidia performance is rubbish with Blender
+# If you have nVidia, use CUDA.
+REQUIRED_USE="${PYTHON_REQUIRED_USE}
+	player? ( game-engine !headless )
+	cuda? ( cycles !opencl )
+	cycles? ( boost openexr tiff openimageio )
+	colorio? ( boost )
+	openvdb? ( boost )
+	opensubdiv? ( cuda )
+	nls? ( boost )
+	openal? ( boost )
+	opencl? ( cycles )
+	game-engine? ( boost )
+	?? ( ffmpeg libav )"
+
+# Since not using OpenCL with nVidia, depend on ATI binary
+# blobs as Cycles with OpenCL does not work with any open
+# source drivers.
+RDEPEND="${PYTHON_DEPS}
+	dev-libs/lzo:2
+	>=dev-python/numpy-1.10.1[${PYTHON_USEDEP}]
+	dev-python/requests[${PYTHON_USEDEP}]
+	media-libs/freetype
+	media-libs/glew:*
+	media-libs/libpng:0=
+	media-libs/libsamplerate
+	sys-libs/zlib
+	virtual/glu
+	virtual/jpeg:0=
+	virtual/libintl
+	virtual/opengl
+	boost? ( >=dev-libs/boost-1.62:=[nls?,threads(+)] )
+	collada? ( >=media-libs/opencollada-1.6.18:= )
+	colorio? ( >=media-libs/opencolorio-1.0.9-r2 )
+	cuda? ( dev-util/nvidia-cuda-toolkit:= )
+	ffmpeg? ( media-video/ffmpeg:=[x264,mp3,encode,theora,jpeg2k?] )
+	libav? ( >=media-video/libav-11.3:=[x264,mp3,encode,theora,jpeg2k?] )
+	fftw? ( sci-libs/fftw:3.0= )
+	!headless? (
+		x11-libs/libX11
+		x11-libs/libXi
+		x11-libs/libXxf86vm
+	)
+	jack? ( media-sound/jack-audio-connection-kit )
+	jemalloc? ( dev-libs/jemalloc:= )
+	jpeg2k? ( media-libs/openjpeg:0 )
+	llvm? ( sys-devel/llvm )
+	ndof? (
+		app-misc/spacenavd
+		dev-libs/libspnav
+	)
+	nls? ( virtual/libiconv )
+	openal? ( media-libs/openal )
+	openimageio? ( >=media-libs/openimageio-1.6.9 )
+	opencl? ( x11-drivers/ati-drivers:* )
+	openexr? (
+		>=media-libs/ilmbase-2.2.0:=
+		>=media-libs/openexr-2.2.0:=
+	)
+	opensubdiv? ( media-libs/opensubdiv[cuda=,opencl=] )
+	openvdb? (
+		media-gfx/openvdb[${PYTHON_USEDEP},abi3-compat(+),openvdb-compression(+)]
+		dev-cpp/tbb
+		>=dev-libs/c-blosc-1.5.2
+	)
+	sdl? ( media-libs/libsdl2[sound,joystick] )
+	sndfile? ( media-libs/libsndfile )
+	tiff? ( media-libs/tiff:0 )
+	valgrind? ( dev-util/valgrind )"
+
+DEPEND="${RDEPEND}
+	>=dev-cpp/eigen-3.2.8:3
+	nls? ( sys-devel/gettext )
+	doc? (
+		app-doc/doxygen[-nodot(-),dot(+),latex]
+		dev-python/sphinx[latex]
+	)"
+
+PATCHES=( "${FILESDIR}"/${P}-C++11-build-fix.patch
+	  "${FILESDIR}"/${PN}-fix-install-rules.patch
+	  "${FILESDIR}"/${P}-eigen-3.3.1.patch )
+
+blender_check_requirements() {
+	[[ ${MERGE_TYPE} != binary ]] && use openmp && tc-check-openmp
+
+	if use doc; then
+		CHECKREQS_DISK_BUILD="4G" check-reqs_pkg_pretend
+	fi
+}
+
+pkg_pretend() {
+	blender_check_requirements
+}
+
+pkg_setup() {
+	blender_check_requirements
+	python-single-r1_pkg_setup
+}
+
+src_prepare() {
+	default
+
+	# we don't want static glew, but it's scattered across
+	# multiple files that differ from version to version
+	# !!!CHECK THIS SED ON EVERY VERSION BUMP!!!
+	local file
+	while IFS="" read -d $'\0' -r file ; do
+		sed -i -e '/-DGLEW_STATIC/d' "${file}" || die
+	done < <(find . -type f -name "CMakeLists.txt")
+
+	# Disable MS Windows help generation. The variable doesn't do what it
+	# it sounds like.
+	sed -e "s|GENERATE_HTMLHELP      = YES|GENERATE_HTMLHELP      = NO|" \
+	    -i doc/doxygen/Doxyfile || die
+}
+
+src_configure() {
+	# FIX: forcing '-funsigned-char' fixes an anti-aliasing issue with menu
+	# shadows, see bug #276338 for reference
+	append-flags -funsigned-char
+	append-lfs-flags
+	append-cppflags -DOPENVDB_3_ABI_COMPATIBLE
+
+	local mycmakeargs=(
+		-DPYTHON_VERSION="${EPYTHON/python/}"
+		-DPYTHON_LIBRARY="$(python_get_library_path)"
+		-DPYTHON_INCLUDE_DIR="$(python_get_includedir)"
+		-DWITH_INSTALL_PORTABLE=OFF
+		-DWITH_PYTHON_INSTALL=OFF
+		-DWITH_PYTHON_INSTALL_NUMPY=OFF
+		-DWITH_STATIC_LIBS=OFF
+		-DWITH_SYSTEM_GLEW=ON
+		-DWITH_SYSTEM_OPENJPEG=ON
+		-DWITH_SYSTEM_EIGEN3=ON
+		-DWITH_SYSTEM_LZO=ON
+		-DWITH_C11=ON
+		-DWITH_CXX11=ON
+		-DWITH_BOOST=$(usex boost)
+		-DWITH_BULLET=$(usex bullet)
+		-DWITH_CODEC_FFMPEG=$(usex ffmpeg)
+		-DWITH_CODEC_SNDFILE=$(usex sndfile)
+		-DWITH_CUDA=$(usex cuda)
+		-DWITH_CYCLES_DEVICE_CUDA=$(usex cuda TRUE FALSE)
+		-DWITH_CYCLES=$(usex cycles)
+		-DWITH_CYCLES_OSL=OFF
+		-DWITH_LLVM=$(usex llvm)
+		-DWITH_FFTW3=$(usex fftw)
+		-DWITH_GAMEENGINE=$(usex game-engine)
+		-DWITH_HEADLESS=$(usex headless)
+		-DWITH_X11=$(usex !headless)
+		-DWITH_IMAGE_DDS=$(usex dds)
+		-DWITH_IMAGE_OPENEXR=$(usex openexr)
+		-DWITH_IMAGE_OPENJPEG=$(usex jpeg2k)
+		-DWITH_IMAGE_TIFF=$(usex tiff)
+		-DWITH_INPUT_NDOF=$(usex ndof)
+		-DWITH_INTERNATIONAL=$(usex nls)
+		-DWITH_JACK=$(usex jack)
+		-DWITH_MOD_FLUID=$(usex elbeem)
+		-DWITH_MOD_OCEANSIM=$(usex fftw)
+		-DWITH_OPENAL=$(usex openal)
+		-DWITH_OPENCL=$(usex opencl)
+		-DWITH_CYCLES_DEVICE_OPENCL=$(usex opencl TRUE FALSE)
+		-DWITH_OPENCOLORIO=$(usex colorio)
+		-DWITH_OPENCOLLADA=$(usex collada)
+		-DWITH_OPENIMAGEIO=$(usex openimageio)
+		-DWITH_OPENMP=$(usex openmp)
+		-DWITH_OPENSUBDIV=$(usex opensubdiv)
+		-DWITH_OPENVDB=$(usex openvdb)
+		-DWITH_OPENVDB_BLOSC=$(usex openvdb)
+		-DWITH_PLAYER=$(usex player)
+		-DWITH_SDL=$(usex sdl)
+		-DWITH_CXX_GUARDEDALLOC=$(usex debug)
+		-DWITH_ASSERT_ABORT=$(usex debug)
+		-DWITH_GTESTS=$(usex test)
+		-DWITH_DOC_MANPAGE=$(usex man)
+		-DWITH_MEM_JEMALLOC=$(usex jemalloc)
+		-DWITH_MEM_VALGRIND=$(usex valgrind)
+	)
+	cmake-utils_src_configure
+}
+
+src_compile() {
+	cmake-utils_src_compile
+
+	if use doc; then
+		# Workaround for binary drivers.
+		local card
+		local cards=( /dev/ati/card* /dev/nvidia* )
+		for card in "${cards[@]}"; do addpredict "${card}"; done
+
+		einfo "Generating Blender C/C++ API docs ..."
+		cd "${CMAKE_USE_DIR}"/doc/doxygen || die
+		doxygen -u Doxyfile || die
+		doxygen || die "doxygen failed to build API docs."
+
+		cd "${CMAKE_USE_DIR}" || die
+		einfo "Generating (BPY) Blender Python API docs ..."
+		"${BUILD_DIR}"/bin/blender --background --python doc/python_api/sphinx_doc_gen.py -noaudio || die "sphinx failed."
+
+		cd "${CMAKE_USE_DIR}"/doc/python_api || die
+		sphinx-build sphinx-in BPY_API || die "sphinx failed."
+	fi
+}
+
+src_test() {
+	if use test; then
+		einfo "Running Blender Unit Tests ..."
+		cd "${BUILD_DIR}"/bin/tests || die
+		local f
+		for f in *_test; do
+			./"${f}" || die
+		done
+	fi
+}
+
+src_install() {
+	# Pax mark blender for hardened support.
+	pax-mark m "${CMAKE_BUILD_DIR}"/bin/blender
+
+	if use doc; then
+		docinto "html/API/python"
+		dodoc -r "${CMAKE_USE_DIR}"/doc/python_api/BPY_API/.
+
+		docinto "html/API/blender"
+		dodoc -r "${CMAKE_USE_DIR}"/doc/doxygen/html/.
+	fi
+
+	emake -C "${CMAKE_BUILD_DIR}" DESTDIR="${D}" install/fast
+
+	# fix doc installdir
+	docinto "html"
+	dodoc "${CMAKE_USE_DIR}"/release/text/readme.html
+	rm -r "${ED%/}"/usr/share/doc/blender || die
+
+	python_fix_shebang "${ED%/}/usr/bin/blender-thumbnailer.py"
+	python_optimize "${ED%/}/usr/share/blender/${MY_PV}/scripts"
+}
+
+pkg_preinst() {
+	gnome2_icon_savelist
+}
+
+pkg_postinst() {
+	elog
+	elog "Blender uses python integration. As such, may have some"
+	elog "inherit risks with running unknown python scripts."
+	elog
+	elog "It is recommended to change your blender temp directory"
+	elog "from /tmp to /home/user/tmp or another tmp file under your"
+	elog "home directory. This can be done by starting blender, then"
+	elog "dragging the main menu down do display all paths."
+	elog
+	ewarn
+	ewarn "This ebuild does not unbundle the massive amount of 3rd party"
+	ewarn "libraries which are shipped with blender. Note that"
+	ewarn "these have caused security issues in the past."
+	ewarn "If you are concerned about security, file a bug upstream:"
+	ewarn "  https://developer.blender.org/"
+	ewarn
+	gnome2_icon_cache_update
+	fdo-mime_desktop_database_update
+}
+
+pkg_postrm() {
+	gnome2_icon_cache_update
+	fdo-mime_desktop_database_update
+
+	ewarn ""
+	ewarn "You may want to remove the following directory."
+	ewarn "~/.config/${PN}/${MY_PV}/cache/"
+	ewarn "It may contain extra render kernels not tracked by portage"
+	ewarn ""
+}
diff --git a/media-gfx/blender/blender-2.78a-r1.ebuild b/media-gfx/blender/blender-2.78a-r1.ebuild
new file mode 100644
index 000000000000..f0395fe673ee
--- /dev/null
+++ b/media-gfx/blender/blender-2.78a-r1.ebuild
@@ -0,0 +1,299 @@
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=6
+PYTHON_COMPAT=( python3_5 )
+
+inherit check-reqs cmake-utils fdo-mime flag-o-matic gnome2-utils \
+	pax-utils python-single-r1 toolchain-funcs versionator
+
+DESCRIPTION="3D Creation/Animation/Publishing System"
+HOMEPAGE="http://www.blender.org"
+
+SRC_URI="http://download.blender.org/source/${P}.tar.gz"
+
+# Blender can have letters in the version string,
+# so strip of the letter if it exists.
+MY_PV="$(get_version_component_range 1-2)"
+
+SLOT="0"
+LICENSE="|| ( GPL-2 BL )"
+KEYWORDS="~amd64 ~x86"
+IUSE="+boost +bullet +dds +elbeem +game-engine +openexr collada colorio \
+	cuda cycles debug doc ffmpeg fftw headless jack jemalloc jpeg2k libav \
+	llvm man ndof nls openal opencl openimageio openmp opensubdiv openvdb \
+	player sdl sndfile test tiff valgrind"
+
+# OpenCL and nVidia performance is rubbish with Blender
+# If you have nVidia, use CUDA.
+REQUIRED_USE="${PYTHON_REQUIRED_USE}
+	player? ( game-engine !headless )
+	cuda? ( cycles !opencl )
+	cycles? ( boost openexr tiff openimageio )
+	colorio? ( boost )
+	openvdb? ( boost )
+	opensubdiv? ( cuda )
+	nls? ( boost )
+	openal? ( boost )
+	opencl? ( cycles )
+	game-engine? ( boost )
+	?? ( ffmpeg libav )"
+
+# Since not using OpenCL with nVidia, depend on ATI binary
+# blobs as Cycles with OpenCL does not work with any open
+# source drivers.
+RDEPEND="${PYTHON_DEPS}
+	dev-libs/lzo:2
+	>=dev-python/numpy-1.10.1[${PYTHON_USEDEP}]
+	dev-python/requests[${PYTHON_USEDEP}]
+	media-libs/freetype
+	media-libs/glew:*
+	media-libs/libpng:0=
+	media-libs/libsamplerate
+	sys-libs/zlib
+	virtual/glu
+	virtual/jpeg:0=
+	virtual/libintl
+	virtual/opengl
+	boost? ( >=dev-libs/boost-1.62:=[nls?,threads(+)] )
+	collada? ( >=media-libs/opencollada-1.6.18:= )
+	colorio? ( >=media-libs/opencolorio-1.0.9-r2 )
+	cuda? ( =dev-util/nvidia-cuda-toolkit-8.0*:= )
+	ffmpeg? ( media-video/ffmpeg:=[x264,mp3,encode,theora,jpeg2k?] )
+	libav? ( >=media-video/libav-11.3:=[x264,mp3,encode,theora,jpeg2k?] )
+	fftw? ( sci-libs/fftw:3.0= )
+	!headless? (
+		x11-libs/libX11
+		x11-libs/libXi
+		x11-libs/libXxf86vm
+	)
+	jack? ( media-sound/jack-audio-connection-kit )
+	jemalloc? ( dev-libs/jemalloc:= )
+	jpeg2k? ( media-libs/openjpeg:0 )
+	llvm? ( sys-devel/llvm )
+	ndof? (
+		app-misc/spacenavd
+		dev-libs/libspnav
+	)
+	nls? ( virtual/libiconv )
+	openal? ( media-libs/openal )
+	openimageio? ( >=media-libs/openimageio-1.6.9 )
+	opencl? ( x11-drivers/ati-drivers:* )
+	openexr? (
+		>=media-libs/ilmbase-2.2.0:=
+		>=media-libs/openexr-2.2.0:=
+	)
+	opensubdiv? ( media-libs/opensubdiv[cuda=,opencl=] )
+	openvdb? (
+		media-gfx/openvdb[${PYTHON_USEDEP},abi3-compat(+),openvdb-compression(+)]
+		dev-cpp/tbb
+		>=dev-libs/c-blosc-1.5.2
+	)
+	sdl? ( media-libs/libsdl2[sound,joystick] )
+	sndfile? ( media-libs/libsndfile )
+	tiff? ( media-libs/tiff:0 )
+	valgrind? ( dev-util/valgrind )"
+
+DEPEND="${RDEPEND}
+	>=dev-cpp/eigen-3.2.8:3
+	nls? ( sys-devel/gettext )
+	doc? (
+		app-doc/doxygen[-nodot(-),dot(+),latex]
+		dev-python/sphinx[latex]
+	)"
+
+PATCHES=( "${FILESDIR}"/${PN}-fix-install-rules.patch
+	  "${FILESDIR}"/${PN}-2.78-eigen-3.3.1.patch )
+
+blender_check_requirements() {
+	[[ ${MERGE_TYPE} != binary ]] && use openmp && tc-check-openmp
+
+	if use doc; then
+		CHECKREQS_DISK_BUILD="4G" check-reqs_pkg_pretend
+	fi
+}
+
+pkg_pretend() {
+	blender_check_requirements
+}
+
+pkg_setup() {
+	blender_check_requirements
+	python-single-r1_pkg_setup
+}
+
+src_prepare() {
+	default
+
+	# we don't want static glew, but it's scattered across
+	# multiple files that differ from version to version
+	# !!!CHECK THIS SED ON EVERY VERSION BUMP!!!
+	local file
+	while IFS="" read -d $'\0' -r file ; do
+		sed -i -e '/-DGLEW_STATIC/d' "${file}" || die
+	done < <(find . -type f -name "CMakeLists.txt")
+
+	# Disable MS Windows help generation. The variable doesn't do what it
+	# it sounds like.
+	sed -e "s|GENERATE_HTMLHELP      = YES|GENERATE_HTMLHELP      = NO|" \
+	    -i doc/doxygen/Doxyfile || die
+}
+
+src_configure() {
+	# FIX: forcing '-funsigned-char' fixes an anti-aliasing issue with menu
+	# shadows, see bug #276338 for reference
+	append-flags -funsigned-char
+	append-lfs-flags
+	append-cppflags -DOPENVDB_3_ABI_COMPATIBLE
+
+	local mycmakeargs=(
+		-DPYTHON_VERSION="${EPYTHON/python/}"
+		-DPYTHON_LIBRARY="$(python_get_library_path)"
+		-DPYTHON_INCLUDE_DIR="$(python_get_includedir)"
+		-DWITH_INSTALL_PORTABLE=OFF
+		-DWITH_PYTHON_INSTALL=OFF
+		-DWITH_PYTHON_INSTALL_NUMPY=OFF
+		-DWITH_STATIC_LIBS=OFF
+		-DWITH_SYSTEM_GLEW=ON
+		-DWITH_SYSTEM_OPENJPEG=ON
+		-DWITH_SYSTEM_EIGEN3=ON
+		-DWITH_SYSTEM_LZO=ON
+		-DWITH_C11=ON
+		-DWITH_CXX11=ON
+		-DWITH_BOOST=$(usex boost)
+		-DWITH_BULLET=$(usex bullet)
+		-DWITH_CODEC_FFMPEG=$(usex ffmpeg)
+		-DWITH_CODEC_SNDFILE=$(usex sndfile)
+		-DWITH_CUDA=$(usex cuda)
+		-DWITH_CYCLES_DEVICE_CUDA=$(usex cuda TRUE FALSE)
+		-DWITH_CYCLES=$(usex cycles)
+		-DWITH_CYCLES_OSL=OFF
+		-DWITH_LLVM=$(usex llvm)
+		-DWITH_FFTW3=$(usex fftw)
+		-DWITH_GAMEENGINE=$(usex game-engine)
+		-DWITH_HEADLESS=$(usex headless)
+		-DWITH_X11=$(usex !headless)
+		-DWITH_IMAGE_DDS=$(usex dds)
+		-DWITH_IMAGE_OPENEXR=$(usex openexr)
+		-DWITH_IMAGE_OPENJPEG=$(usex jpeg2k)
+		-DWITH_IMAGE_TIFF=$(usex tiff)
+		-DWITH_INPUT_NDOF=$(usex ndof)
+		-DWITH_INTERNATIONAL=$(usex nls)
+		-DWITH_JACK=$(usex jack)
+		-DWITH_MOD_FLUID=$(usex elbeem)
+		-DWITH_MOD_OCEANSIM=$(usex fftw)
+		-DWITH_OPENAL=$(usex openal)
+		-DWITH_OPENCL=$(usex opencl)
+		-DWITH_CYCLES_DEVICE_OPENCL=$(usex opencl TRUE FALSE)
+		-DWITH_OPENCOLORIO=$(usex colorio)
+		-DWITH_OPENCOLLADA=$(usex collada)
+		-DWITH_OPENIMAGEIO=$(usex openimageio)
+		-DWITH_OPENMP=$(usex openmp)
+		-DWITH_OPENSUBDIV=$(usex opensubdiv)
+		-DWITH_OPENVDB=$(usex openvdb)
+		-DWITH_OPENVDB_BLOSC=$(usex openvdb)
+		-DWITH_PLAYER=$(usex player)
+		-DWITH_SDL=$(usex sdl)
+		-DWITH_CXX_GUARDEDALLOC=$(usex debug)
+		-DWITH_ASSERT_ABORT=$(usex debug)
+		-DWITH_GTESTS=$(usex test)
+		-DWITH_DOC_MANPAGE=$(usex man)
+		-DWITH_MEM_JEMALLOC=$(usex jemalloc)
+		-DWITH_MEM_VALGRIND=$(usex valgrind)
+	)
+	cmake-utils_src_configure
+}
+
+src_compile() {
+	cmake-utils_src_compile
+
+	if use doc; then
+		# Workaround for binary drivers.
+		local card
+		local cards=( /dev/ati/card* /dev/nvidia* )
+		for card in "${cards[@]}"; do addpredict "${card}"; done
+
+		einfo "Generating Blender C/C++ API docs ..."
+		cd "${CMAKE_USE_DIR}"/doc/doxygen || die
+		doxygen -u Doxyfile || die
+		doxygen || die "doxygen failed to build API docs."
+
+		cd "${CMAKE_USE_DIR}" || die
+		einfo "Generating (BPY) Blender Python API docs ..."
+		"${BUILD_DIR}"/bin/blender --background --python doc/python_api/sphinx_doc_gen.py -noaudio || die "sphinx failed."
+
+		cd "${CMAKE_USE_DIR}"/doc/python_api || die
+		sphinx-build sphinx-in BPY_API || die "sphinx failed."
+	fi
+}
+
+src_test() {
+	if use test; then
+		einfo "Running Blender Unit Tests ..."
+		cd "${BUILD_DIR}"/bin/tests || die
+		local f
+		for f in *_test; do
+			./"${f}" || die
+		done
+	fi
+}
+
+src_install() {
+	# Pax mark blender for hardened support.
+	pax-mark m "${CMAKE_BUILD_DIR}"/bin/blender
+
+	if use doc; then
+		docinto "html/API/python"
+		dodoc -r "${CMAKE_USE_DIR}"/doc/python_api/BPY_API/.
+
+		docinto "html/API/blender"
+		dodoc -r "${CMAKE_USE_DIR}"/doc/doxygen/html/.
+	fi
+
+	emake -C "${CMAKE_BUILD_DIR}" DESTDIR="${D}" install/fast
+
+	# fix doc installdir
+	docinto "html"
+	dodoc "${CMAKE_USE_DIR}"/release/text/readme.html
+	rm -r "${ED%/}"/usr/share/doc/blender || die
+
+	python_fix_shebang "${ED%/}/usr/bin/blender-thumbnailer.py"
+	python_optimize "${ED%/}/usr/share/blender/${MY_PV}/scripts"
+}
+
+pkg_preinst() {
+	gnome2_icon_savelist
+}
+
+pkg_postinst() {
+	elog
+	elog "Blender uses python integration. As such, may have some"
+	elog "inherit risks with running unknown python scripts."
+	elog
+	elog "It is recommended to change your blender temp directory"
+	elog "from /tmp to /home/user/tmp or another tmp file under your"
+	elog "home directory. This can be done by starting blender, then"
+	elog "dragging the main menu down do display all paths."
+	elog
+	ewarn
+	ewarn "This ebuild does not unbundle the massive amount of 3rd party"
+	ewarn "libraries which are shipped with blender. Note that"
+	ewarn "these have caused security issues in the past."
+	ewarn "If you are concerned about security, file a bug upstream:"
+	ewarn "  https://developer.blender.org/"
+	ewarn
+	gnome2_icon_cache_update
+	fdo-mime_desktop_database_update
+}
+
+pkg_postrm() {
+	gnome2_icon_cache_update
+	fdo-mime_desktop_database_update
+
+	ewarn ""
+	ewarn "You may want to remove the following directory."
+	ewarn "~/.config/${PN}/${MY_PV}/cache/"
+	ewarn "It may contain extra render kernels not tracked by portage"
+	ewarn ""
+}
diff --git a/media-gfx/blender/files/blender-2.78-eigen-3.3.1.patch b/media-gfx/blender/files/blender-2.78-eigen-3.3.1.patch
new file mode 100644
index 000000000000..540aa6b9a511
--- /dev/null
+++ b/media-gfx/blender/files/blender-2.78-eigen-3.3.1.patch
@@ -0,0 +1,25 @@
+--- blender-2.78a-orig/extern/ceres/include/ceres/jet.h	2016-10-25 01:13:56.000000000 +1100
++++ blender-2.78a/extern/ceres/include/ceres/jet.h	2017-01-11 13:27:24.708241265 +1100
+@@ -757,6 +757,7 @@
+   typedef ceres::Jet<T, N> Real;
+   typedef ceres::Jet<T, N> NonInteger;
+   typedef ceres::Jet<T, N> Nested;
++  typedef ceres::Jet<T, N> Literal;
+ 
+   static typename ceres::Jet<T, N> dummy_precision() {
+     return ceres::Jet<T, N>(1e-12);
+@@ -777,6 +778,14 @@
+     HasFloatingPoint = 1,
+     RequireInitialization = 1
+   };
++  
++  template<bool Vectorized>
++  struct Div {
++    enum {
++      AVX = false,
++      Cost = 1
++    };
++  };
+ };
+ 
+ }  // namespace Eigen
diff --git a/media-gfx/blender/metadata.xml b/media-gfx/blender/metadata.xml
index 003d27d14ccf..24b2623804ec 100644
--- a/media-gfx/blender/metadata.xml
+++ b/media-gfx/blender/metadata.xml
@@ -86,10 +86,6 @@
 		<flag name="openvdb" restrict="&gt;=media-gfx/blender-2.77">
 			Add GPU preview rendering. Only works with nVidia cards.
 		</flag>
-		<flag name="openvdb-compression" restrict="&gt;=media-gfx/blender-2.77">
-			Support optional compression used by OpenVDB (requires
-			<pkg>media-gfx/openvdb</pkg>).
-		</flag>
 		<flag name="player">
 			Build the Blender Player. THis requires the Game engine.
 		</flag>