media-libs/opencv: add 4.10.0

Closes: https://bugs.gentoo.org/942030
Signed-off-by: Paul Zander <negril.nx+gentoo@gmail.com>
Signed-off-by: Sam James <sam@gentoo.org>

2 files changed, 1038 insertions, 0 deletions

diff --git a/media-libs/opencv/Manifest b/media-libs/opencv/Manifest
index 0aa44ea95dab..bd9f8567bf7f 100644
--- a/media-libs/opencv/Manifest
+++ b/media-libs/opencv/Manifest
@@ -1,10 +1,13 @@
 DIST NVIDIAOpticalFlowSDK-edb50da3cf849840d680249aa6dbef248ebce2ca.tar.gz 8771 BLAKE2B f579960448bdaf57fbefd5e88002d8f6f4dbb828429b0f3a0112916c03039d4e4de65263eb8464a4d62924c1b77f0a61c2d93b7307657439bfbf7d59785f1533 SHA512 85dfdc52260f54f62c980508f4b6ab384e44200bd1c13761c4947f9a898c08f0faed2d734a85a4ba7a46f8788ed58ee89f12f61cee97881b69ba626bbd04f655
 DIST ade-0.1.2d.tar.gz 117027 BLAKE2B c544b769c7b289342a469950ed047fa13719bafba29aa41167b588cf4f24ed6e596159ec19b65e61e09519a461a5e82ac07d63e2ea493279ee182fe658810abb SHA512 46f2feee28d732a6940a5a95944f3283bde1b8c8e05466a8ca1c576623c54d1bed875ce2b24a941111d8976cb0c6ba5a4ac8408f042f5765debf1badf7d43348
+DIST opencv-4.10.0.tar.gz 94993429 BLAKE2B f16de226337ce1dabda4a52ae03257b0570af0e6212102c483dce61f2bcee1549150d0016b6ea20bae5d8c838e12db3d54bcb9c2ec5d3164639cdd56818f0b1b SHA512 b4f7248f89f1cd146dbbae7860a17131cd29bd3cb81db1e678abfcfbf2d8fa4a7633bfd0edbf50afae7b838c8700e8c0d0bb05828139d5cb5662df6bbf3eb92c
 DIST opencv-4.9.0.tar.gz 92788647 BLAKE2B 257478b0f5e19abca5b3676767dacd40765c645eb455080160b8b9dc54e66fba4880200b483829fc9050bc3f9b3e815f8ee784d7b41261877784536778fe3c96 SHA512 1598ae59849e7805b3cbec5260bb501006f26edff452343b366b9262a0f48a6e09f4b2e760209cb677f2a64a7b22f4e70bc6195c104bcea74cc9fe04031d0292
 DIST opencv_3rdparty-34e4206aef44d50e6bbcd0ab06354b52e7466d26.tar.gz 397901 BLAKE2B 9adbe14ee3a2c90b890be694aa80d65b67e23a23f47ccabee4564e31eb9857d717b5a751df32004cfa5d6a53a9e1d8ea8d8943b705a0eaea5ca741169e2222f6 SHA512 8a92555aed2ac8752818586ab9762dd96ec128c5465cb87e402f15b15d16f7d371b3de045ef7295526e9ef99ec817766bb685a21d24dba29c650cf44e384a4e3
 DIST opencv_3rdparty-8afa57abc8229d611c4937165d20e2a2d9fc5a12.tar.gz 63301261 BLAKE2B 923dc944edfda4c292d42207290bee414bfe21998f6ffe341ea3b38b6f2f581f3a243653e2c1fd3fa86084068ad6e7acd5ca73ab43094aa15f124d379833a5d8 SHA512 68cce870da0846cbd12a093ec7896b510e34590dad2b91699be1df5d4f72d343f9789d54c45c1b801784f7e57e0e80b19ba65dd99855225da99b4193dae97aaa
 DIST opencv_3rdparty-a8b69ccc738421293254aec5ddb38bd523503252.tar.gz 920403 BLAKE2B 5f834e8ccef9d88d0650f8ae5d215a2d07d0a356aaad4de1622068e0b2a7def88fccc84bc4397f0182732e836fcd6e363ae25a2cdeaa4d458a7d8ef9afc81da5 SHA512 5611b9db40477759213ab35320570c198f1f224f92ca801ca3accd1f7620faf3d44f306e44abefd10be118acee9b56da643ca82abaa7c4d2102fe92e5b298a6e
 DIST opencv_3rdparty-b2bfc75f6aea5b1f834ff0f0b865a7c18ff1459f.tar.gz 10036903 BLAKE2B c13559569808db24105049e2081bc466c0e8b6dab58bcc69001e49ff82e03ec4701e25648b5e542b7df2c8e522abfbd82c9825e66c37d6a673847b41bf6effae SHA512 3fc44f12802aa1dad0b12372d53242ae2134a2d74ca0b6d8e4639551623426106781a41d77ebfce79ac625a49aec26b0d7425e0d31f09bab6a15e3d43caef8bc
 DIST opencv_3rdparty-fccf7cd6a4b12079f73bbfb21745f9babcd4eb1d.tar.gz 1470898 BLAKE2B f1794cc8f8684501f670db3d720c02f35c57ebe91f276cc21dea1f1c1426740d03569143fec74380e941703b5086db5f013ca913fb296eda99559115fd53ca30 SHA512 07118b9d688bf0ff34a6e4ca1548006124d80d11e7b48f08c9e1910b64249b1dad0ace460f50adda0ecb69b90871fc59cc25f451570c63f7c6d6ba2b92d8801c
+DIST opencv_contrib-4.10.0.tar.gz 55387316 BLAKE2B 5d6f884817b6d45b86833fcab1e31cd0fd7be19885698e0aefe300fa570f93c446d7f564567cc08099d559a98a65e9c3dd0fd35ceeca7e0e9a1e56edc74a0fe9 SHA512 480df862250692a97ce6431cba00dbecb70332307a19c1c04aa9d7444e6e74ab4f8c798548dce76d2319a9877624b82e361fb22a71df14b996087ade448be501
 DIST opencv_contrib-4.9.0.tar.gz 59803362 BLAKE2B e6b90e9bd462f96ef010490d45105d7125622d6c49912653c0d387568ae7109b1cbcac4cc0f52c1f997a45ed75923caea90bf4ad9336e689a56742b029789038 SHA512 ebaee3b88bd7ae246727e65a98d9fbc1d9772a4181a1926f3af742410b78dc87d2386bcd96ac67d7fb1a3020c3717a2cdebdcf9304d6dfd9ea494004791cf043
+DIST opencv_extra-4.10.0.tar.gz 504349887 BLAKE2B 6e76860beb95cf00698980a19cfd2894e5bfe0d477d94352cbb2ff98688acbc1c404953cbc3baa95453588e7b9063175a067f24006c5d2719a6c75d15f2ef891 SHA512 1a581dad61bc1e5075af5afed2dd3d67793232a9e1219408448d08c518ae714cf0c4d5fec2c25791351a49a0d265fe051ea142b2170f82843e19e82f65abc8c6
 DIST opencv_extra-4.9.0.tar.gz 502141517 BLAKE2B ed7351f29c6fb80d56d5ef383af68322fa805c7689132f7ca9bb43c9a1319c5876ce6d5c40d583c955eb255dd82b876c94ed42625cd71b13830ec94b2cc75dc2 SHA512 f05c1eaed491d15107c858af5b33d0d5856070dcb6f94491ba33a172b2f0caf34905eb5d1787e1247bc888626478647fce0db7f3ccbc6d6faba0ee43fd6b6bfa
diff --git a/media-libs/opencv/opencv-4.10.0.ebuild b/media-libs/opencv/opencv-4.10.0.ebuild
new file mode 100644
index 000000000000..6798e236e5e3
--- /dev/null
+++ b/media-libs/opencv/opencv-4.10.0.ebuild
@@ -0,0 +1,1035 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..13} )
+inherit cuda java-pkg-opt-2 cmake-multilib flag-o-matic python-r1 toolchain-funcs virtualx
+
+DESCRIPTION="A collection of algorithms and sample code for various computer vision problems"
+HOMEPAGE="https://opencv.org"
+
+if [[ ${PV} = *9999* ]] ; then
+	inherit git-r3
+	EGIT_REPO_URI="https://github.com/${PN}/${PN}.git"
+else
+	# branch master
+	ADE_PV="0.1.2d"
+	# branch wechat_qrcode_20210119
+	QRCODE_COMMIT="a8b69ccc738421293254aec5ddb38bd523503252"
+	# branch dnn_samples_face_detector_20170830
+	DNN_SAMPLES_FACE_DETECTOR_COMMIT="b2bfc75f6aea5b1f834ff0f0b865a7c18ff1459f"
+	# branch contrib_xfeatures2d_boostdesc_20161012
+	XFEATURES2D_BOOSTDESC_COMMIT="34e4206aef44d50e6bbcd0ab06354b52e7466d26"
+	# branch contrib_xfeatures2d_vgg_20160317
+	XFEATURES2D_VGG_COMMIT="fccf7cd6a4b12079f73bbfb21745f9babcd4eb1d"
+	# branch contrib_face_alignment_20170818
+	FACE_ALIGNMENT_COMMIT="8afa57abc8229d611c4937165d20e2a2d9fc5a12"
+	# branch nvof_2_0_bsd
+	NVIDIA_OPTICAL_FLOW_COMMIT="edb50da3cf849840d680249aa6dbef248ebce2ca"
+
+	SRC_URI="https://github.com/${PN}/${PN}/archive/${PV}.tar.gz -> ${P}.tar.gz
+		https://github.com/opencv/ade/archive/v${ADE_PV}.tar.gz -> ade-${ADE_PV}.tar.gz
+		contrib? (
+			https://github.com/${PN}/${PN}_contrib/archive/${PV}.tar.gz -> ${PN}_contrib-${PV}.tar.gz
+			dnnsamples? (
+				https://github.com/${PN}/${PN}_3rdparty/archive/${QRCODE_COMMIT}.tar.gz -> ${PN}_3rdparty-${QRCODE_COMMIT}.tar.gz
+				https://github.com/${PN}/${PN}_3rdparty/archive/${DNN_SAMPLES_FACE_DETECTOR_COMMIT}.tar.gz
+					-> ${PN}_3rdparty-${DNN_SAMPLES_FACE_DETECTOR_COMMIT}.tar.gz
+			)
+			contribxfeatures2d? (
+				https://github.com/${PN}/${PN}_3rdparty/archive/${XFEATURES2D_BOOSTDESC_COMMIT}.tar.gz
+					-> ${PN}_3rdparty-${XFEATURES2D_BOOSTDESC_COMMIT}.tar.gz
+				https://github.com/${PN}/${PN}_3rdparty/archive/${XFEATURES2D_VGG_COMMIT}.tar.gz
+					-> ${PN}_3rdparty-${XFEATURES2D_VGG_COMMIT}.tar.gz
+			)
+			contribdnn? (
+				https://github.com/${PN}/${PN}_3rdparty/archive/${FACE_ALIGNMENT_COMMIT}.tar.gz
+					-> ${PN}_3rdparty-${FACE_ALIGNMENT_COMMIT}.tar.gz
+			)
+			cuda? (
+				https://github.com/NVIDIA/NVIDIAOpticalFlowSDK/archive/${NVIDIA_OPTICAL_FLOW_COMMIT}.tar.gz
+					-> NVIDIAOpticalFlowSDK-${NVIDIA_OPTICAL_FLOW_COMMIT}.tar.gz
+			)
+		)
+		test? (
+			https://github.com/${PN}/${PN}_extra/archive/refs/tags/${PV}.tar.gz -> ${PN}_extra-${PV}.tar.gz
+		)
+	"
+	KEYWORDS="~amd64 ~arm ~arm64 ~loong ~ppc ~ppc64 ~riscv ~x86"
+fi
+
+LICENSE="Apache-2.0"
+SLOT="0/${PV}" # subslot = libopencv* soname version
+
+# general options
+IUSE="debug doc +eigen gflags glog java non-free opencvapps +python test testprograms"
+
+# modules
+IUSE+=" contrib contribcvv contribdnn contribfreetype contribhdf contribovis contribsfm contribxfeatures2d dnnsamples examples +features2d"
+# hardware
+IUSE+=" opencl cuda cudnn video_cards_intel"
+# video
+IUSE+=" +ffmpeg gstreamer xine vaapi v4l gphoto2 ieee1394"
+# image
+IUSE+=" gdal jasper jpeg jpeg2k openexr png quirc tesseract tiff webp"
+# gui
+IUSE+=" gtk3 qt5 qt6 opengl vtk"
+# parallel
+IUSE+=" openmp tbb"
+# lapack options
+IUSE+=" atlas lapack mkl"
+
+# TODO make this only relevant for binhost
+CPU_FEATURES_MAP=(
+	cpu_flags_arm_neon:NEON
+	cpu_flags_arm_vfpv3:VFPV3
+
+	cpu_flags_ppc_vsx:VSX   # (always available on Power8)
+	cpu_flags_ppc_vsx3:VSX3 # (always available on Power9)
+
+	cpu_flags_x86_sse:SSE   # (always available on 64-bit CPUs)
+	cpu_flags_x86_sse2:SSE2 # (always available on 64-bit CPUs)
+
+	cpu_flags_x86_sse3:SSE3
+	cpu_flags_x86_ssse3:SSSE3
+
+	cpu_flags_x86_sse4_1:SSE4_1
+	cpu_flags_x86_popcnt:POPCNT
+	cpu_flags_x86_sse4_2:SSE4_2
+
+	cpu_flags_x86_f16c:FP16
+	cpu_flags_x86_fma3:FMA3
+	cpu_flags_x86_avx:AVX
+	cpu_flags_x86_avx2:AVX2
+	cpu_flags_x86_avx512f:AVX_512F
+)
+IUSE+=" ${CPU_FEATURES_MAP[*]%:*}"
+unset ARM_CPU_FEATURES PPC_CPU_FEATURES X86_CPU_FEATURES_RAW X86_CPU_FEATURES
+
+REQUIRED_USE="
+	amd64? ( cpu_flags_x86_sse cpu_flags_x86_sse2 )
+	cpu_flags_x86_avx2? ( cpu_flags_x86_f16c )
+	cpu_flags_x86_f16c? ( cpu_flags_x86_avx )
+	cuda? (
+		contrib
+		tesseract? ( opencl )
+	)
+	cudnn? ( cuda )
+	dnnsamples? ( examples )
+	gflags? ( contrib )
+	glog? ( contrib )
+	contribcvv? ( contrib || ( qt5 qt6 ) )
+	contribdnn? ( contrib )
+	contribfreetype? ( contrib )
+	contribhdf? ( contrib )
+	contribovis? ( contrib )
+	contribsfm? ( contrib eigen gflags glog )
+	contribxfeatures2d? ( contrib )
+	java? ( python )
+	opengl? ( ?? ( gtk3 || ( qt5 qt6 ) ) )
+	python? ( ${PYTHON_REQUIRED_USE} )
+	tesseract? ( contrib )
+	?? ( gtk3 || ( qt5 qt6 ) )
+	test? ( || ( ffmpeg gstreamer ) jpeg png tiff features2d  )
+"
+
+# TODO find a way to compile these with the cuda compiler
+REQUIRED_USE+="
+	cuda? ( !gdal !openexr !tbb )
+"
+
+RESTRICT="!test? ( test )"
+
+COMMON_DEPEND="
+	app-arch/bzip2[${MULTILIB_USEDEP}]
+	dev-libs/protobuf:=[${MULTILIB_USEDEP}]
+	sys-libs/zlib[${MULTILIB_USEDEP}]
+	cuda? ( <dev-util/nvidia-cuda-toolkit-12.4:0= )
+	cudnn? ( dev-libs/cudnn:= )
+	contribdnn? ( dev-libs/flatbuffers:= )
+	contribhdf? ( sci-libs/hdf5:= )
+	contribfreetype? (
+		media-libs/freetype:2[${MULTILIB_USEDEP}]
+		media-libs/harfbuzz:=[${MULTILIB_USEDEP}]
+	)
+	contribovis? ( >=dev-games/ogre-1.12:= )
+	ffmpeg? ( media-video/ffmpeg:0=[${MULTILIB_USEDEP}] )
+	gdal? ( sci-libs/gdal:= )
+	gflags? ( dev-cpp/gflags:=[${MULTILIB_USEDEP}] )
+	glog? ( dev-cpp/glog:=[${MULTILIB_USEDEP}] )
+	gphoto2? ( media-libs/libgphoto2:=[${MULTILIB_USEDEP}] )
+	gstreamer? (
+		media-libs/gstreamer:1.0[${MULTILIB_USEDEP}]
+		media-libs/gst-plugins-base:1.0[${MULTILIB_USEDEP}]
+	)
+	gtk3? (
+		dev-libs/glib:2[${MULTILIB_USEDEP}]
+		x11-libs/gtk+:3[${MULTILIB_USEDEP}]
+	)
+	ieee1394? (
+		media-libs/libdc1394:=[${MULTILIB_USEDEP}]
+		sys-libs/libraw1394[${MULTILIB_USEDEP}]
+	)
+	java? ( >=virtual/jre-1.8:* )
+	jpeg? ( media-libs/libjpeg-turbo:=[${MULTILIB_USEDEP}] )
+	jpeg2k? (
+		jasper? ( media-libs/jasper:= )
+		!jasper? ( media-libs/openjpeg:2=[${MULTILIB_USEDEP}] )
+	)
+	lapack? (
+		atlas? ( sci-libs/atlas )
+		mkl? ( sci-libs/mkl )
+		!atlas? (
+			!mkl? (
+				virtual/cblas
+				>=virtual/lapack-3.10
+				virtual/lapacke
+			)
+		)
+	)
+	opencl? (
+		virtual/opencl[${MULTILIB_USEDEP}]
+		dev-util/opencl-headers
+	)
+	openexr? (
+		dev-libs/imath:=
+		media-libs/openexr:=
+	)
+	opengl? (
+		virtual/opengl[${MULTILIB_USEDEP}]
+		virtual/glu[${MULTILIB_USEDEP}]
+	)
+	png? ( media-libs/libpng:0=[${MULTILIB_USEDEP}] )
+	python? (
+		${PYTHON_DEPS}
+		dev-python/numpy:=[${PYTHON_USEDEP}]
+	)
+	qt5? (
+		dev-qt/qtgui:5
+		dev-qt/qtwidgets:5
+		dev-qt/qttest:5
+		dev-qt/qtconcurrent:5
+		opengl? ( dev-qt/qtopengl:5 )
+	)
+	!qt5? (
+		qt6? (
+			dev-qt/qtbase:6[gui,widgets,concurrent,opengl?]
+		)
+	)
+	quirc? ( media-libs/quirc )
+	tesseract? ( app-text/tesseract[opencl=,${MULTILIB_USEDEP}] )
+	tbb? ( dev-cpp/tbb:=[${MULTILIB_USEDEP}] )
+	tiff? ( media-libs/tiff:=[${MULTILIB_USEDEP}] )
+	v4l? ( >=media-libs/libv4l-0.8.3[${MULTILIB_USEDEP}] )
+	vaapi? ( media-libs/libva[${MULTILIB_USEDEP}] )
+	vtk? ( sci-libs/vtk:=[rendering,cuda=] )
+	webp? ( media-libs/libwebp:=[${MULTILIB_USEDEP}] )
+	xine? ( media-libs/xine-lib )
+"
+DEPEND="
+	${COMMON_DEPEND}
+	eigen? ( >=dev-cpp/eigen-3.3.8-r1:3 )
+	java? ( >=virtual/jdk-1.8:* )
+"
+# TODO gstreamer dependencies
+DEPEND+="
+	test? (
+		gstreamer? (
+			media-plugins/gst-plugins-jpeg[${MULTILIB_USEDEP}]
+			media-plugins/gst-plugins-x264[${MULTILIB_USEDEP}]
+		)
+	)
+"
+RDEPEND="
+	${COMMON_DEPEND}
+	java? ( >=virtual/jre-1.8:* )
+"
+BDEPEND="
+	virtual/pkgconfig
+	cuda? ( dev-util/nvidia-cuda-toolkit:0= )
+	doc? (
+		app-text/doxygen[dot]
+		python? (
+			dev-python/beautifulsoup4[${PYTHON_USEDEP}]
+		)
+	)
+	java? ( >=dev-java/ant-1.10.14-r3 )
+"
+
+PATCHES=(
+	"${FILESDIR}/${PN}-3.4.0-disable-download.patch"
+	"${FILESDIR}/${PN}-3.4.1-cuda-add-relaxed-constexpr.patch"
+	"${FILESDIR}/${PN}-4.1.2-opencl-license.patch"
+	"${FILESDIR}/${PN}-4.4.0-disable-native-cpuflag-detect.patch"
+	"${FILESDIR}/${PN}-4.5.0-link-with-cblas-for-lapack.patch"
+
+	"${FILESDIR}/${PN}-4.8.1-use-system-flatbuffers.patch"
+	"${FILESDIR}/${PN}-4.8.1-use-system-opencl.patch"
+	"${FILESDIR}/${PN}-4.9.0-drop-python2-detection.patch"
+	"${FILESDIR}/${PN}-4.9.0-ade-0.1.2d.tar.gz.patch"
+	"${FILESDIR}/${PN}-4.9.0-cmake-cleanup.patch"
+
+	# TODO applied in src_prepare
+	# "${FILESDIR}/${PN}_contrib-${PV}-rgbd.patch"
+	# "${FILESDIR}/${PN}_contrib-4.8.1-NVIDIAOpticalFlowSDK-2.0.tar.gz.patch"
+)
+
+cuda_get_cuda_compiler() {
+	local compiler
+	tc-is-gcc && compiler="gcc"
+	tc-is-clang && compiler="clang"
+	[[ -z "$compiler" ]] && die "no compiler specified"
+
+	local package="sys-devel/${compiler}"
+	local version="${package}"
+	local CUDAHOSTCXX_test
+	while
+		local CUDAHOSTCXX="${CUDAHOSTCXX_test}"
+		version=$(best_version "${version}")
+		if [[ -z "${version}" ]]; then
+			if [[ -z "${CUDAHOSTCXX}" ]]; then
+				die "could not find supported version of ${package}"
+			fi
+			break
+		fi
+		CUDAHOSTCXX_test="$(
+			dirname "$(
+				realpath "$(
+					which "${compiler}-$(echo "${version}" | grep -oP "(?<=${package}-)[0-9]*")"
+				)"
+			)"
+		)"
+		version="<${version}"
+	do ! echo "int main(){}" | nvcc "-ccbin ${CUDAHOSTCXX_test}" - -x cu &>/dev/null; done
+
+	echo "${CUDAHOSTCXX}"
+}
+
+cuda_get_host_native_arch() {
+	: "${CUDAARCHS:=$(__nvcc_device_query)}"
+	echo "${CUDAARCHS}"
+}
+
+pkg_pretend() {
+	if use cuda && [[ -z "${CUDA_GENERATION}" ]] && [[ -z "${CUDA_ARCH_BIN}" ]]; then # TODO CUDAARCHS
+		einfo "The target CUDA architecture can be set via one of:"
+		einfo "  - CUDA_GENERATION set to one of Maxwell, Pascal, Volta, Turing, Ampere, Lovelace, Hopper, Auto"
+		einfo "  - CUDA_ARCH_BIN, (and optionally CUDA_ARCH_PTX) in the form of x.y tuples."
+		einfo "      You can specify multiple tuple separated by \";\"."
+		einfo ""
+		einfo "The CUDA architecture tuple for your device can be found at https://developer.nvidia.com/cuda-gpus."
+	fi
+
+	if use cuda && [[ ${MERGE_TYPE} == "buildonly" ]] && [[ -n "${CUDA_GENERATION}" || -n "${CUDA_ARCH_BIN}" ]]; then
+		local info_message="When building a binary package it's recommended to unset CUDA_GENERATION and CUDA_ARCH_BIN"
+		einfo "$info_message so all available architectures are build."
+	fi
+
+	[[ ${MERGE_TYPE} != binary ]] && use openmp && tc-check-openmp
+}
+
+pkg_setup() {
+	[[ ${MERGE_TYPE} != binary ]] && use openmp && tc-check-openmp
+	use java && java-pkg-opt-2_pkg_setup
+}
+
+src_prepare() {
+	cmake_src_prepare
+
+	# remove bundled stuff
+	rm -r 3rdparty || die "Removing 3rd party components failed"
+	sed -e '/add_subdirectory(.*3rdparty.*)/ d' \
+		-i CMakeLists.txt cmake/*cmake || die
+
+	if use contrib; then
+		cd "${WORKDIR}/${PN}_contrib-${PV}" || die
+		eapply "${FILESDIR}/${PN}_contrib-4.8.1-rgbd.patch"
+		eapply "${FILESDIR}/${PN}_contrib-4.8.1-NVIDIAOpticalFlowSDK-2.0.tar.gz.patch"
+		if has_version ">=dev-util/nvidia-cuda-toolkit-12.4" && use cuda; then
+			# TODO https://github.com/NVIDIA/cccl/pull/1522
+			eapply "${FILESDIR}/${PN}_contrib-4.9.0-cuda-12.4.patch"
+		fi
+		cd "${S}" || die
+
+		! use contribcvv && { rm -R "${WORKDIR}/${PN}_contrib-${PV}/modules/cvv" || die; }
+		# ! use contribdnn && { rm -R "${WORKDIR}/${PN}_contrib-${PV}/modules/dnn" || die; }
+		! use contribfreetype && { rm -R "${WORKDIR}/${PN}_contrib-${PV}/modules/freetype" || die; }
+		! use contribhdf && { rm -R "${WORKDIR}/${PN}_contrib-${PV}/modules/hdf" || die; }
+		! use contribovis && { rm -R "${WORKDIR}/${PN}_contrib-${PV}/modules/ovis" || die; }
+		! use contribsfm && { rm -R "${WORKDIR}/${PN}_contrib-${PV}/modules/sfm" || die; }
+		! use contribxfeatures2d && { rm -R "${WORKDIR}/${PN}_contrib-${PV}/modules/xfeatures2d" || die; }
+	fi
+
+	mkdir -p "${S}/.cache/ade" || die
+	cp \
+		"${DISTDIR}/ade-${ADE_PV}.tar.gz" \
+		"${S}/.cache/ade/$(md5sum "${DISTDIR}/ade-${ADE_PV}.tar.gz" | cut -f 1 -d " ")-v${ADE_PV}.tar.gz" || die
+
+	if use dnnsamples; then
+		mkdir -p "${S}/.cache/wechat_qrcode" || die
+		for file in "detect.caffemodel" "detect.prototxt" "sr.prototxt" "sr.caffemodel"; do
+			mv \
+				"${WORKDIR}/${PN}_3rdparty-${QRCODE_COMMIT}/${file}" \
+				"${S}/.cache/wechat_qrcode/$( \
+					md5sum "${WORKDIR}/${PN}_3rdparty-${QRCODE_COMMIT}/${file}" | cut -f 1 -d " " \
+				)-${file}" || die
+		done
+
+		mv \
+			"${WORKDIR}/${PN}_3rdparty-${DNN_SAMPLES_FACE_DETECTOR_COMMIT}/res10_300x300_ssd_iter_140000.caffemodel" \
+			"${S}/samples/dnn/" || die
+	fi
+
+	if use contribxfeatures2d; then
+		cp \
+			"${WORKDIR}/${PN}_3rdparty-${XFEATURES2D_BOOSTDESC_COMMIT}/"*.i \
+			"${WORKDIR}/${PN}_contrib-${PV}"/modules/xfeatures2d/src/ || die
+		mkdir -p "${S}/.cache/xfeatures2d/boostdesc" || die
+		for file in "${WORKDIR}/${PN}_3rdparty-${XFEATURES2D_BOOSTDESC_COMMIT}/"*.i; do
+			mv \
+				"${WORKDIR}/${PN}_3rdparty-${XFEATURES2D_BOOSTDESC_COMMIT}/$(basename "${file}")" \
+				"${S}/.cache/xfeatures2d/boostdesc/$( \
+					md5sum "${WORKDIR}/${PN}_3rdparty-${XFEATURES2D_BOOSTDESC_COMMIT}/$(basename "${file}")" | cut -f 1 -d " " \
+				)-$(basename "${file}")" || die
+		done
+
+		cp \
+			"${WORKDIR}/${PN}_3rdparty-${XFEATURES2D_VGG_COMMIT}/"*.i \
+			"${WORKDIR}/${PN}_contrib-${PV}"/modules/xfeatures2d/src/ || die
+		mkdir -p "${S}/.cache/xfeatures2d/vgg" || die
+		for file in "${WORKDIR}/${PN}_3rdparty-${XFEATURES2D_VGG_COMMIT}/"*.i; do
+			mv \
+				"${WORKDIR}/${PN}_3rdparty-${XFEATURES2D_VGG_COMMIT}/$(basename "${file}")" \
+				"${S}/.cache/xfeatures2d/vgg/$( \
+					md5sum "${WORKDIR}/${PN}_3rdparty-${XFEATURES2D_VGG_COMMIT}/$(basename "${file}")" | cut -f 1 -d " " \
+				)-$(basename "${file}")" || die
+		done
+	fi
+
+	if use contribdnn; then
+		mkdir -p "${S}/.cache/data" || die
+		mkdir -p "${WORKDIR}/${PN}_extra-${PV}/testdata/cv/face/" || die
+		file="face_landmark_model.dat"
+		cp \
+			"${WORKDIR}/${PN}_3rdparty-${FACE_ALIGNMENT_COMMIT}/${file}" \
+			"${WORKDIR}/${PN}_extra-${PV}/testdata/cv/face/" \
+			|| die
+		mv \
+			"${WORKDIR}/${PN}_3rdparty-${FACE_ALIGNMENT_COMMIT}/${file}" \
+			"${S}/.cache/data/$( \
+				md5sum "${WORKDIR}/${PN}_3rdparty-${FACE_ALIGNMENT_COMMIT}/${file}" | cut -f 1 -d " " \
+			)-${file}" || die
+	fi
+
+	if use cuda; then
+		mkdir -p "${S}/.cache/nvidia_optical_flow"
+		cp \
+			"${DISTDIR}/NVIDIAOpticalFlowSDK-${NVIDIA_OPTICAL_FLOW_COMMIT}.tar.gz" \
+			"${S}/.cache/nvidia_optical_flow/$( \
+				md5sum "${DISTDIR}/NVIDIAOpticalFlowSDK-${NVIDIA_OPTICAL_FLOW_COMMIT}.tar.gz" | cut -f 1 -d " " \
+			)-${NVIDIA_OPTICAL_FLOW_COMMIT}.tar.gz" || die
+	fi
+
+	if use java; then
+		java-pkg-opt-2_src_prepare
+
+		# set encoding so even this cmake build will pick it up.
+		export ANT_OPTS+=" -Dfile.encoding=iso-8859-1"
+		export ANT_OPTS+=" -Dant.build.javac.source=$(java-pkg_get-source)"
+		export ANT_OPTS+=" -Dant.build.javac.target=$(java-pkg_get-target)"
+	fi
+}
+
+multilib_src_configure() {
+	# bug #919101 and https://github.com/opencv/opencv/issues/19020
+	filter-lto
+
+	# please don't sort here, order is the same as in CMakeLists.txt
+	local mycmakeargs=(
+		-DMIN_VER_CMAKE=3.26
+
+		-DCMAKE_POLICY_DEFAULT_CMP0148="OLD" # FindPythonInterp
+
+		# for protobuf
+		-DCMAKE_CXX_STANDARD=17
+
+	# Optional 3rd party components
+	# ===================================================
+		-DENABLE_DOWNLOAD=yes
+		-DOPENCV_ENABLE_NONFREE="$(usex non-free)"
+		-DWITH_QUIRC="$(usex quirc)"
+		-DWITH_FLATBUFFERS="$(multilib_native_usex contribdnn)"
+		-DWITH_1394="$(usex ieee1394)"
+		# -DWITH_AVFOUNDATION="no" # IOS
+		-DWITH_VTK="$(multilib_native_usex vtk)"
+		-DWITH_EIGEN="$(usex eigen)"
+		-DWITH_VFW="no" # Video windows support
+		-DWITH_FFMPEG="$(usex ffmpeg)"
+		-DWITH_GSTREAMER="$(usex gstreamer)"
+		-DWITH_GTK="$(usex gtk3)"
+		-DWITH_GTK_2_X="no" # only want gtk3 nowadays
+		-DWITH_IPP="no"
+		-DWITH_JASPER="$(multilib_native_usex jasper)"
+		-DWITH_JPEG="$(usex jpeg)"
+		-DWITH_OPENJPEG="$(usex jpeg2k)"
+		-DWITH_WEBP="$(usex webp)"
+		-DWITH_OPENEXR="$(multilib_native_usex openexr)"
+		-DWITH_OPENGL="$(usex opengl)"
+		-DOpenGL_GL_PREFERENCE="GLVND"
+		-DWITH_OPENVX="no"
+		-DWITH_OPENNI="no"       # Not packaged
+		-DWITH_OPENNI2="no"      # Not packaged
+		-DWITH_PNG="$(usex png)"
+		-DWITH_GDCM="no"
+		-DWITH_PVAPI="no"
+		-DWITH_GIGEAPI="no"
+		-DWITH_ARAVIS="no"
+		-DWITH_WIN32UI="no"              # Windows only
+		# -DWITH_QUICKTIME="no"
+		# -DWITH_QTKIT="no"
+		-DWITH_TBB="$(usex tbb)"
+		-DWITH_OPENMP="$(usex !tbb "$(usex openmp)")"
+		-DWITH_PTHREADS_PF="yes"
+		-DWITH_TIFF="$(usex tiff)"
+		-DWITH_UNICAP="no"               # Not packaged
+		-DWITH_V4L="$(usex v4l)"
+		-DWITH_LIBV4L="$(usex v4l)"
+		# -DWITH_DSHOW="yes"                 # direct show supp
+		-DWITH_MSMF="no"
+		-DWITH_XIMEA="no"        # Windows only
+		-DWITH_XINE="$(multilib_native_usex xine)"
+		-DWITH_CLP="no"
+		-DWITH_OPENCL="$(usex opencl)"
+		-DWITH_OPENCL_SVM="no" # "$(usex opencl)"
+		-DWITH_DIRECTX="no"
+		-DWITH_INTELPERC="no"
+		-DWITH_IPP_A="no"
+		-DWITH_MATLAB="no"
+		-DWITH_VA="$(usex vaapi)"
+		-DWITH_VA_INTEL="$(usex vaapi "$(usex video_cards_intel)")"
+		-DWITH_GDAL="$(multilib_native_usex gdal)"
+		-DWITH_GPHOTO2="$(usex gphoto2)"
+		-DWITH_LAPACK="$(multilib_native_usex lapack)"
+		-DWITH_ITT="no" # 3dparty libs itt_notify
+	# ===================================================
+	# CUDA build components: nvidia-cuda-toolkit
+	# ===================================================
+		-DWITH_CUDA="$(multilib_native_usex cuda)"
+		-DWITH_CUBLAS="$(multilib_native_usex cuda)"
+		-DWITH_CUFFT="$(multilib_native_usex cuda)"
+		-DWITH_CUDNN="$(multilib_native_usex cudnn)"
+		# NOTE set this via MYCMAKEARGS if needed
+		-DWITH_NVCUVID="no" # TODO needs NVIDIA Video Codec SDK
+		-DWITH_NVCUVENC="no" # TODO needs NVIDIA Video Codec SDK
+		-DCUDA_NPP_LIBRARY_ROOT_DIR="$(usex cuda "${EPREFIX}/opt/cuda" "")"
+	# ===================================================
+	# OpenCV build components
+	# ===================================================
+		-DBUILD_SHARED_LIBS="yes"
+		-DBUILD_JAVA="$(multilib_native_usex java)" # Ant needed, no compile flag
+		-DBUILD_ANDROID_EXAMPLES="no"
+		-DBUILD_opencv_apps="$(usex opencvapps)"
+		-DBUILD_DOCS="$(usex doc)" # Doesn't install anyways.
+		-DBUILD_EXAMPLES="$(multilib_native_usex examples)"
+		-DBUILD_TESTS="$(multilib_native_usex test)"
+		-DBUILD_PERF_TESTS="no"
+
+		# -DBUILD_WITH_STATIC_CRT="no"
+		-DBUILD_WITH_DYNAMIC_IPP="no"
+		-DBUILD_FAT_JAVA_LIB="no"
+		# -DBUILD_ANDROID_SERVICE="no"
+		-DBUILD_CUDA_STUBS="$(multilib_native_usex cuda)"
+		-DOPENCV_EXTRA_MODULES_PATH="$(usex contrib "${WORKDIR}/${PN}_contrib-${PV}/modules" "")"
+	# ===================================================
+	# OpenCV installation options
+	# ===================================================
+		-DINSTALL_CREATE_DISTRIB="no"
+		-DINSTALL_BIN_EXAMPLES="$(multilib_native_usex examples)"
+		-DINSTALL_C_EXAMPLES="$(multilib_native_usex examples)"
+		-DINSTALL_TESTS="$(multilib_native_usex testprograms)"
+		# -DINSTALL_ANDROID_EXAMPLES="no"
+		-DINSTALL_TO_MANGLED_PATHS="no"
+		-DOPENCV_GENERATE_PKGCONFIG="yes"
+		# opencv uses both ${CMAKE_INSTALL_LIBDIR} and ${LIB_SUFFIX}
+		# to set its destination libdir
+		-DLIB_SUFFIX=
+	# ===================================================
+	# OpenCV build options
+	# ===================================================
+		# -DENABLE_CCACHE="no"
+		# bug 733796, but PCH is a risky game in CMake anyway
+		-DBUILD_USE_SYMLINKS="yes"
+		-DENABLE_PRECOMPILED_HEADERS="no"
+		-DENABLE_SOLUTION_FOLDERS="no"
+		-DENABLE_PROFILING="no"
+		-DENABLE_COVERAGE="no"
+		-DOPENCV_DOWNLOAD_TRIES_LIST="0"
+
+		-DHAVE_opencv_java="$(multilib_native_usex java)"
+
+		-DBUILD_WITH_DEBUG_INFO="$(usex debug)"
+		-DOPENCV_ENABLE_MEMORY_SANITIZER="$(usex debug)"
+		-DCV_TRACE="$(usex debug)"
+		-DENABLE_NOISY_WARNINGS="$(usex debug)"
+		-DOPENCV_WARNINGS_ARE_ERRORS="no"
+		-DENABLE_IMPL_COLLECTION="no"
+		-DENABLE_INSTRUMENTATION="no"
+		-DGENERATE_ABI_DESCRIPTOR="no"
+	# ===================================================
+	# things we want to be hard off or not yet figured out
+	# ===================================================
+		-DBUILD_PACKAGE="no"
+	# ===================================================
+	# Not building protobuf but update files bug #631418
+	# ===================================================
+		-DWITH_PROTOBUF="yes"
+		-DBUILD_PROTOBUF="no"
+		-DPROTOBUF_UPDATE_FILES="yes"
+		-DProtobuf_MODULE_COMPATIBLE="yes"
+	# ===================================================
+	# things we want to be hard enabled not worth useflag
+	# ===================================================
+		-DOPENCV_DOC_INSTALL_PATH="share/doc/${P}"
+		# NOTE do this so testprograms do not fail TODO adjust path in code
+		-DOPENCV_TEST_DATA_INSTALL_PATH="share/${PN}$(ver_cut 1)/testdata"
+		-DOPENCV_TEST_INSTALL_PATH="libexec/${PN}/bin/test"
+		-DOPENCV_SAMPLES_BIN_INSTALL_PATH="libexec/${PN}/bin/samples"
+
+		-DBUILD_IPP_IW="no"
+		-DBUILD_ITT="no"
+
+	# ===================================================
+	# configure modules to be build
+	# ===================================================
+		-DBUILD_opencv_gapi="$(usex ffmpeg yes "$(usex gstreamer)")"
+		-DBUILD_opencv_features2d="$(usex features2d)"
+		-DBUILD_opencv_java_bindings_generator="$(usex java)"
+		-DBUILD_opencv_js="no"
+		-DBUILD_opencv_js_bindings_generator="no"
+		-DBUILD_opencv_objc_bindings_generator="no"
+		-DBUILD_opencv_python2="no"
+		-DBUILD_opencv_ts="$(usex test)"
+		-DBUILD_opencv_video="$(usex ffmpeg yes "$(usex gstreamer)")"
+		-DBUILD_opencv_videoio="$(usex ffmpeg yes "$(usex gstreamer)")"
+
+		-DBUILD_opencv_cudalegacy="no"
+
+		# -DBUILD_opencv_world="yes"
+
+		-DDNN_PLUGIN_LIST="all"
+		-DHIGHGUI_PLUGIN_LIST="all"
+		-DVIDEOIO_PLUGIN_LIST="all"
+
+	)
+
+	if use qt5; then
+		mycmakeargs+=(
+			-DWITH_QT="$(multilib_native_usex qt5)"
+			-DCMAKE_DISABLE_FIND_PACKAGE_Qt6="yes"
+		)
+	elif use qt6; then
+		mycmakeargs+=(
+			-DWITH_QT="$(multilib_native_usex qt6)"
+			-DCMAKE_DISABLE_FIND_PACKAGE_Qt5="yes"
+		)
+	else
+		mycmakeargs+=(
+			-DWITH_QT="no"
+			-DCMAKE_DISABLE_FIND_PACKAGE_Qt5="yes"
+			-DCMAKE_DISABLE_FIND_PACKAGE_Qt6="yes"
+		)
+	fi
+
+	# ==================================================
+	# cpu flags, should solve 633900
+	#===================================================
+	# TODO binhost https://github.com/opencv/opencv/wiki/CPU-optimizations-build-options
+
+	local CPU_BASELINE=""
+	for i in "${CPU_FEATURES_MAP[@]}" ; do
+		if [[ ${ABI} != x86 || ${i%:*} != "cpu_flags_x86_avx2" ]]; then # workaround for Bug 747163
+			use "${i%:*}" && CPU_BASELINE="${CPU_BASELINE}${i#*:};"
+		fi
+	done
+	unset CPU_FEATURES_MAP
+
+	mycmakeargs+=(
+		-DCPU_BASELINE="${CPU_BASELINE}"
+	)
+	if [[ ${MERGE_TYPE} != "buildonly" ]]; then
+		mycmakeargs+=(
+			-DOPENCV_CPU_OPT_IMPLIES_IGNORE="yes"
+			-DCPU_DISPATCH=
+		)
+	fi
+
+	# ===================================================
+	# OpenCV Contrib Modules
+	# ===================================================
+	if use contrib; then
+		mycmakeargs+=(
+			-DBUILD_opencv_cvv="$(usex contribcvv)"
+			-DBUILD_opencv_dnn="$(usex contribdnn)"
+			-DBUILD_opencv_freetype="$(usex contribfreetype)"
+			-DBUILD_opencv_hdf="$(multilib_native_usex contribhdf)"
+			-DBUILD_opencv_ovis="$(usex contribovis)"
+			-DBUILD_opencv_sfm="$(usex contribsfm)"
+			-DBUILD_opencv_xfeatures2d="$(usex contribxfeatures2d)"
+		)
+
+		if multilib_is_native_abi && use !tesseract; then
+			mycmakeargs+=(
+				-DCMAKE_DISABLE_FIND_PACKAGE_Tesseract="yes"
+			)
+		fi
+	fi
+
+	# workaround for bug 413429
+	tc-export CC CXX
+
+	if multilib_is_native_abi && use cuda; then
+		cuda_add_sandbox -w
+		addwrite "/proc/self/task"
+		CUDAHOSTCXX="$(cuda_get_cuda_compiler)"
+		CUDAARCHS="$(cuda_get_host_native_arch)"
+		export CUDAHOSTCXX
+		export CUDAARCHS
+		mycmakeargs+=(
+			-DENABLE_CUDA_FIRST_CLASS_LANGUAGE="yes"
+		)
+	fi
+
+	if use ffmpeg; then
+		mycmakeargs+=(
+			-DOPENCV_GAPI_GSTREAMER="no"
+		)
+	fi
+
+	# according to modules/java/jar/CMakeLists.txt:23-26
+	if use java; then
+		mycmakeargs+=(
+			-DOPENCV_JAVA_SOURCE_VERSION="$(java-pkg_get-source)"
+			-DOPENCV_JAVA_TARGET_VERSION="$(java-pkg_get-target)"
+		)
+	fi
+
+	if use mkl; then
+		mycmakeargs+=(
+			-DLAPACK_IMPL="MKL"
+			-DMKL_WITH_OPENMP="$(usex !tbb "$(usex openmp)")"
+			-DMKL_WITH_TBB="$(usex tbb)"
+		)
+	fi
+
+	# NOTE set this via MYCMAKEARGS if needed
+	if use opencl; then
+		if has_version sci-libs/clfft; then
+			mycmakeargs+=( -DWITH_OPENCLAMDFFT="yes" )
+		else
+			mycmakeargs+=( -DWITH_OPENCLAMDFFT="no" )
+		fi
+		if has_version sci-libs/clblas; then
+			mycmakeargs+=( -DWITH_OPENCLAMDBLAS="yes" )
+		else
+			mycmakeargs+=( -DWITH_OPENCLAMDBLAS="no" )
+		fi
+	else
+		mycmakeargs+=(
+			-DWITH_OPENCLAMDFFT="no"
+			-DWITH_OPENCLAMDBLAS="no"
+		)
+	fi
+
+	if use test; then
+		# opencv tests assume to be build in Release mode
+		CMAKE_BUILD_TYPE="Release"
+		mycmakeargs+=(
+			-DOPENCV_TEST_DATA_PATH="${WORKDIR}/${PN}_extra-${PV}/testdata"
+		)
+		if use vtk; then
+			mycmakeargs+=(
+				-DVTK_MPI_NUMPROCS="$(nproc)" # TODO
+			)
+		fi
+	fi
+
+	if multilib_is_native_abi && use python; then
+		python_configure() {
+			# Set all python variables to load the correct Gentoo paths
+			local mycmakeargs=(
+				"${mycmakeargs[@]}"
+				# python_setup alters PATH and sets this as wrapper
+				# to the correct interpreter we are building for
+				-DBUILD_opencv_python3="yes"
+				-DBUILD_opencv_python_bindings_generator="yes"
+				-DBUILD_opencv_python_tests="$(usex test)"
+				-DPYTHON_DEFAULT_EXECUTABLE="${EPYTHON}"
+				-DINSTALL_PYTHON_EXAMPLES="$(usex examples)"
+			)
+			cmake_src_configure
+		}
+
+		python_foreach_impl python_configure
+	else
+		mycmakeargs+=(
+			-DPYTHON_EXECUTABLE="no"
+			-DINSTALL_PYTHON_EXAMPLES="no"
+			-DBUILD_opencv_python3="no"
+			-DBUILD_opencv_python_bindings_generator="no"
+			-DBUILD_opencv_python_tests="no"
+		)
+		cmake_src_configure
+	fi
+}
+
+multilib_src_compile() {
+	opencv_compile() {
+		cmake_src_compile
+	}
+	if multilib_is_native_abi && use python; then
+		python_foreach_impl opencv_compile
+	else
+		opencv_compile
+	fi
+}
+
+multilib_src_test() {
+	CMAKE_SKIP_TESTS=(
+		'Test_ONNX_layers.LSTM_cell_forward/0'
+		'Test_ONNX_layers.LSTM_cell_bidirectional/0'
+		'Test_TensorFlow_layers.Convolution3D/1'
+		'Test_TensorFlow_layers.concat_3d/1'
+
+		'AsyncAPICancelation/cancel*basic'
+	)
+
+	if ! use gtk && ! use qt5 && ! use qt6; then
+		CMAKE_SKIP_TESTS+=(
+			# these fail with parallism
+			'^Highgui_*'
+		)
+	fi
+
+	if multilib_is_native_abi && use cuda; then
+		CMAKE_SKIP_TESTS+=(
+			'CUDA_OptFlow/BroxOpticalFlow.Regression/0'
+			'CUDA_OptFlow/BroxOpticalFlow.OpticalFlowNan/0'
+			'CUDA_OptFlow/NvidiaOpticalFlow_1_0.Regression/0'
+			'CUDA_OptFlow/NvidiaOpticalFlow_2_0.Regression/0'
+		)
+	fi
+
+	if use opengl; then
+		CMAKE_SKIP_TESTS+=(
+			'OpenGL/Buffer.MapDevice/*'
+			'OpenGL/*Gpu*'
+		)
+	fi
+
+	if use opencl; then
+		CMAKE_SKIP_TESTS+=(
+			'OCL_Arithm/InRange.Mat/\(CV_32S,*'
+		)
+	fi
+
+	local myctestargs=(
+		--test-timeout 180
+	)
+
+	if multilib_is_native_abi && use cuda; then
+		cuda_add_sandbox -w
+		export OPENCV_PARALLEL_BACKEND="threads"
+		export DNN_BACKEND_OPENCV="cuda"
+	fi
+
+	opencv_test() {
+		export OPENCV_CORE_PLUGIN_PATH="${BUILD_DIR}/lib"
+		export OPENCV_DNN_PLUGIN_PATH="${BUILD_DIR}/lib"
+		export OPENCV_VIDEOIO_PLUGIN_PATH="${BUILD_DIR}/lib"
+
+		export OPENCV_TEST_DATA_PATH="${WORKDIR}/${PN}_extra-${PV}/testdata"
+
+		# Work around zink warnings
+		export LIBGL_ALWAYS_SOFTWARE=true
+		results=()
+		for test in "${BUILD_DIR}/bin/opencv_test_"*; do
+			echo "${test}"
+			if ! "${test}" --gtest_color=yes --gtest_filter="-$(IFS=: ; echo "${CMAKE_SKIP_TESTS[*]}")"; then
+
+				results+=( "$(basename ${test})" )
+
+				if [[ -z "${OPENCV_TEST_CONTINUE_ON_FAIL}" ]]; then
+					eerror "${results[*]} failed"
+					die
+				fi
+			fi
+		done
+
+		echo -e "${results[*]}"
+	}
+
+	if multilib_is_native_abi && use python; then
+		python_foreach_impl virtx opencv_test
+	else
+		virtx opencv_test
+	fi
+}
+
+multilib_src_install() {
+	if use abi_x86_64 && use abi_x86_32; then
+		MULTILIB_WRAPPED_HEADERS=( # {{{
+			# [opencv4]
+			/usr/include/opencv4/opencv2/cvconfig.h
+			/usr/include/opencv4/opencv2/opencv_modules.hpp
+
+			/usr/include/opencv4/opencv2/core_detect.hpp
+
+			/usr/include/opencv4/opencv2/cudaarithm.hpp
+			/usr/include/opencv4/opencv2/cudabgsegm.hpp
+			/usr/include/opencv4/opencv2/cudacodec.hpp
+			/usr/include/opencv4/opencv2/cudafeatures2d.hpp
+			/usr/include/opencv4/opencv2/cudafilters.hpp
+			/usr/include/opencv4/opencv2/cudaimgproc.hpp
+			/usr/include/opencv4/opencv2/cudalegacy.hpp
+			/usr/include/opencv4/opencv2/cudalegacy/NCV.hpp
+			/usr/include/opencv4/opencv2/cudalegacy/NCVBroxOpticalFlow.hpp
+			/usr/include/opencv4/opencv2/cudalegacy/NCVHaarObjectDetection.hpp
+			/usr/include/opencv4/opencv2/cudalegacy/NCVPyramid.hpp
+			/usr/include/opencv4/opencv2/cudalegacy/NPP_staging.hpp
+			/usr/include/opencv4/opencv2/cudaobjdetect.hpp
+			/usr/include/opencv4/opencv2/cudaoptflow.hpp
+			/usr/include/opencv4/opencv2/cudastereo.hpp
+			/usr/include/opencv4/opencv2/cudawarping.hpp
+			# [cudev]
+			/usr/include/opencv4/opencv2/cudev.hpp
+			/usr/include/opencv4/opencv2/cudev/block/block.hpp
+			/usr/include/opencv4/opencv2/cudev/block/detail/reduce.hpp
+			/usr/include/opencv4/opencv2/cudev/block/detail/reduce_key_val.hpp
+			/usr/include/opencv4/opencv2/cudev/block/dynamic_smem.hpp
+			/usr/include/opencv4/opencv2/cudev/block/reduce.hpp
+			/usr/include/opencv4/opencv2/cudev/block/scan.hpp
+			/usr/include/opencv4/opencv2/cudev/block/vec_distance.hpp
+			/usr/include/opencv4/opencv2/cudev/common.hpp
+			/usr/include/opencv4/opencv2/cudev/expr/binary_func.hpp
+			/usr/include/opencv4/opencv2/cudev/expr/binary_op.hpp
+			/usr/include/opencv4/opencv2/cudev/expr/color.hpp
+			/usr/include/opencv4/opencv2/cudev/expr/deriv.hpp
+			/usr/include/opencv4/opencv2/cudev/expr/expr.hpp
+			/usr/include/opencv4/opencv2/cudev/expr/per_element_func.hpp
+			/usr/include/opencv4/opencv2/cudev/expr/reduction.hpp
+			/usr/include/opencv4/opencv2/cudev/expr/unary_func.hpp
+			/usr/include/opencv4/opencv2/cudev/expr/unary_op.hpp
+			/usr/include/opencv4/opencv2/cudev/expr/warping.hpp
+			/usr/include/opencv4/opencv2/cudev/functional/color_cvt.hpp
+			/usr/include/opencv4/opencv2/cudev/functional/detail/color_cvt.hpp
+			/usr/include/opencv4/opencv2/cudev/functional/functional.hpp
+			/usr/include/opencv4/opencv2/cudev/functional/tuple_adapter.hpp
+			/usr/include/opencv4/opencv2/cudev/grid/copy.hpp
+			/usr/include/opencv4/opencv2/cudev/grid/detail/copy.hpp
+			/usr/include/opencv4/opencv2/cudev/grid/detail/histogram.hpp
+			/usr/include/opencv4/opencv2/cudev/grid/detail/integral.hpp
+			/usr/include/opencv4/opencv2/cudev/grid/detail/minmaxloc.hpp
+			/usr/include/opencv4/opencv2/cudev/grid/detail/pyr_down.hpp
+			/usr/include/opencv4/opencv2/cudev/grid/detail/pyr_up.hpp
+			/usr/include/opencv4/opencv2/cudev/grid/detail/reduce.hpp
+			/usr/include/opencv4/opencv2/cudev/grid/detail/reduce_to_column.hpp
+			/usr/include/opencv4/opencv2/cudev/grid/detail/reduce_to_row.hpp
+			/usr/include/opencv4/opencv2/cudev/grid/detail/split_merge.hpp
+			/usr/include/opencv4/opencv2/cudev/grid/detail/transform.hpp
+			/usr/include/opencv4/opencv2/cudev/grid/detail/transpose.hpp
+			/usr/include/opencv4/opencv2/cudev/grid/histogram.hpp
+			/usr/include/opencv4/opencv2/cudev/grid/integral.hpp
+			/usr/include/opencv4/opencv2/cudev/grid/pyramids.hpp
+			/usr/include/opencv4/opencv2/cudev/grid/reduce.hpp
+			/usr/include/opencv4/opencv2/cudev/grid/reduce_to_vec.hpp
+			/usr/include/opencv4/opencv2/cudev/grid/split_merge.hpp
+			/usr/include/opencv4/opencv2/cudev/grid/transform.hpp
+			/usr/include/opencv4/opencv2/cudev/grid/transpose.hpp
+			/usr/include/opencv4/opencv2/cudev/ptr2d/constant.hpp
+			/usr/include/opencv4/opencv2/cudev/ptr2d/deriv.hpp
+			/usr/include/opencv4/opencv2/cudev/ptr2d/detail/gpumat.hpp
+			/usr/include/opencv4/opencv2/cudev/ptr2d/extrapolation.hpp
+			/usr/include/opencv4/opencv2/cudev/ptr2d/glob.hpp
+			/usr/include/opencv4/opencv2/cudev/ptr2d/gpumat.hpp
+			/usr/include/opencv4/opencv2/cudev/ptr2d/interpolation.hpp
+			/usr/include/opencv4/opencv2/cudev/ptr2d/lut.hpp
+			/usr/include/opencv4/opencv2/cudev/ptr2d/mask.hpp
+			/usr/include/opencv4/opencv2/cudev/ptr2d/remap.hpp
+			/usr/include/opencv4/opencv2/cudev/ptr2d/resize.hpp
+			/usr/include/opencv4/opencv2/cudev/ptr2d/texture.hpp
+			/usr/include/opencv4/opencv2/cudev/ptr2d/traits.hpp
+			/usr/include/opencv4/opencv2/cudev/ptr2d/transform.hpp
+			/usr/include/opencv4/opencv2/cudev/ptr2d/warping.hpp
+			/usr/include/opencv4/opencv2/cudev/ptr2d/zip.hpp
+			/usr/include/opencv4/opencv2/cudev/util/atomic.hpp
+			/usr/include/opencv4/opencv2/cudev/util/detail/tuple.hpp
+			/usr/include/opencv4/opencv2/cudev/util/detail/type_traits.hpp
+			/usr/include/opencv4/opencv2/cudev/util/limits.hpp
+			/usr/include/opencv4/opencv2/cudev/util/saturate_cast.hpp
+			/usr/include/opencv4/opencv2/cudev/util/simd_functions.hpp
+			/usr/include/opencv4/opencv2/cudev/util/tuple.hpp
+			/usr/include/opencv4/opencv2/cudev/util/type_traits.hpp
+			/usr/include/opencv4/opencv2/cudev/util/vec_math.hpp
+			/usr/include/opencv4/opencv2/cudev/util/vec_traits.hpp
+			/usr/include/opencv4/opencv2/cudev/warp/detail/reduce.hpp
+			/usr/include/opencv4/opencv2/cudev/warp/detail/reduce_key_val.hpp
+			/usr/include/opencv4/opencv2/cudev/warp/reduce.hpp
+			/usr/include/opencv4/opencv2/cudev/warp/scan.hpp
+			/usr/include/opencv4/opencv2/cudev/warp/shuffle.hpp
+			/usr/include/opencv4/opencv2/cudev/warp/warp.hpp
+			# [contribcvv]
+			/usr/include/opencv4/opencv2/cvv.hpp
+			/usr/include/opencv4/opencv2/cvv/call_meta_data.hpp
+			/usr/include/opencv4/opencv2/cvv/cvv.hpp
+			/usr/include/opencv4/opencv2/cvv/debug_mode.hpp
+			/usr/include/opencv4/opencv2/cvv/dmatch.hpp
+			/usr/include/opencv4/opencv2/cvv/filter.hpp
+			/usr/include/opencv4/opencv2/cvv/final_show.hpp
+			/usr/include/opencv4/opencv2/cvv/show_image.hpp
+			# [contribdnn]
+			/usr/include/opencv4/opencv2/dnn.hpp
+			/usr/include/opencv4/opencv2/dnn/all_layers.hpp
+			/usr/include/opencv4/opencv2/dnn/dict.hpp
+			/usr/include/opencv4/opencv2/dnn/dnn.hpp
+			/usr/include/opencv4/opencv2/dnn/dnn.inl.hpp
+			/usr/include/opencv4/opencv2/dnn/layer.details.hpp
+			/usr/include/opencv4/opencv2/dnn/layer.hpp
+			/usr/include/opencv4/opencv2/dnn/shape_utils.hpp
+			/usr/include/opencv4/opencv2/dnn/utils/debug_utils.hpp
+			/usr/include/opencv4/opencv2/dnn/utils/inference_engine.hpp
+			/usr/include/opencv4/opencv2/dnn/version.hpp
+			/usr/include/opencv4/opencv2/dnn_superres.hpp
+			# [contribhdf]
+			/usr/include/opencv4/opencv2/hdf.hpp
+			/usr/include/opencv4/opencv2/hdf/hdf5.hpp
+
+			/usr/include/opencv4/opencv2/mcc.hpp
+			/usr/include/opencv4/opencv2/mcc/ccm.hpp
+			/usr/include/opencv4/opencv2/mcc/checker_detector.hpp
+			/usr/include/opencv4/opencv2/mcc/checker_model.hpp
+
+			/usr/include/opencv4/opencv2/text.hpp
+			/usr/include/opencv4/opencv2/text/erfilter.hpp
+			/usr/include/opencv4/opencv2/text/ocr.hpp
+			/usr/include/opencv4/opencv2/text/swt_text_detection.hpp
+			/usr/include/opencv4/opencv2/text/textDetector.hpp
+
+			# [qt5,qt6]
+			/usr/include/opencv4/opencv2/viz.hpp
+			/usr/include/opencv4/opencv2/viz/types.hpp
+			/usr/include/opencv4/opencv2/viz/viz3d.hpp
+			/usr/include/opencv4/opencv2/viz/vizcore.hpp
+			/usr/include/opencv4/opencv2/viz/widget_accessor.hpp
+			/usr/include/opencv4/opencv2/viz/widgets.hpp
+
+			/usr/include/opencv4/opencv2/wechat_qrcode.hpp
+		) # }}}
+	fi
+	if multilib_is_native_abi && use python; then
+		python_foreach_impl cmake_src_install
+		python_foreach_impl python_optimize
+	else
+		cmake_src_install
+	fi
+}