media-libs/opencv: fix cuda9 and autodownload

- Fix cuda 9 compatibility
Submitted-by: Todd Walter <twalter@rogers.com>

- Remove autodownload tiny_dnn from contrib
Submitted-by: Jonathan Scruggs <j.scruggs@gmail.com>

- Add PYTHON_COMPAT 3_6

Closes: https://bugs.gentoo.org/637078
Closes: https://bugs.gentoo.org/633844
Closes: https://bugs.gentoo.org/632116
Package-Manager: Portage-2.3.13, Repoman-2.3.3

6 files changed, 617 insertions, 0 deletions

diff --git a/media-libs/opencv/Manifest b/media-libs/opencv/Manifest
index 84e8300ba035..b193d22127ad 100644
--- a/media-libs/opencv/Manifest
+++ b/media-libs/opencv/Manifest
@@ -6,4 +6,5 @@ DIST opencv-3.2.0.tar.gz 78861546 BLAKE2B 6d44263792b9cd2d009c7eeaddc2ef87acb014
 DIST opencv-3.2.0_contrib.tar.gz 54765210 BLAKE2B 6c5bcb1c18da937751f234cc1edaae58416ab9ab5a3407a2ab2c22f4e174ffeb800396d34fe489f424b288fbd608e106cd5f5b458a06a509cea5f7d8e23a67a7 SHA512 eadb6a8a3625235b0c71e29c36d15d9342278aaf9148ef6a7e1aa80f4db0491aaf30b6df16bfd0cd358402b2a3059b6acbce23fb5fe2c0c57150a733ffbbff5a
 DIST opencv-3.3.0.tar.gz 81238534 BLAKE2B 9eac7de8eefbcc9981a249343052c2dcada4e73c3406d545a89b9e6a054a7c7153933537d123f227caf51f23196fcaaed4135229db195e9c4139f2977e034e34 SHA512 13dee5c1c5fec1dccdbb05879d299b93ef8ddeb87f561a6c4178e33a4cf5ae919765119068d0387a3efea0e09a625ca993cffac60a772159690fcbee4e8d70fb
 DIST opencv-3.3.0_contrib.tar.gz 54848519 BLAKE2B 53615af19426bf7a1540a6f23c7803276d6de594260b0d87b06b6b12c9e20326925a275e31e017784e8e876e30df7b8f326e192a75c5300252ae09f50d0d9a8b SHA512 ebe3dbe6c754c6fbaabbf6b0d2a4209964e625fd68e593f30ce043792740c8c1d4440d7870949b5b33f488fd7e2e05f3752287b7f50dd24c29202e268776520e
+DIST tiny-dnn-1.0.0a3.tar.gz 12885646 BLAKE2B 85c0715ab6c692b77522487775e70b0db645528baed1830c83c9f44d2b67a5207e4f7ea1709b35c6a4217d287199549304e9be19f4a5cec9a1183b0b5dccc562 SHA512 5f2c1a161771efa67e85b1fea395953b7744e29f61187ac5a6c54c912fb195b3aef9a5827135c3668bd0eeea5ae04a33cc433e1f6683e2b7955010a2632d168b
 DIST vgg_boostdesc-3.2.0.tar.gz 1867770 BLAKE2B 1fa5b58e73b6fa56ecf8d19af22298f729942ee1369082e173445d09d3de767bf844bad3d2b462efc1199c392f37c88ba49a9996ba8bfd84b4abeba7de94db63 SHA512 4a046aedd639c8eb4b295b0f499e756deb66210ca083f0124c75531e540663367cb58f6d175f66c4713324177036cd89a8869bdab2de8d1736dafc7f00ef9f44
diff --git a/media-libs/opencv/files/opencv-3.3.0-cuda9-cmake.patch b/media-libs/opencv/files/opencv-3.3.0-cuda9-cmake.patch
new file mode 100644
index 000000000000..270c599d708c
--- /dev/null
+++ b/media-libs/opencv/files/opencv-3.3.0-cuda9-cmake.patch
@@ -0,0 +1,87 @@
+diff --git a/cmake/FindCUDA.cmake b/cmake/FindCUDA.cmake
+index 678b450ab..c2a58bd00 100644
+--- a/cmake/FindCUDA.cmake
++++ b/cmake/FindCUDA.cmake
+@@ -283,7 +283,38 @@
+ #   CUDA_nppc_LIBRARY     -- NVIDIA Performance Primitives lib (core).
+ #                            Only available for CUDA version 5.5+.
+ #   CUDA_nppi_LIBRARY     -- NVIDIA Performance Primitives lib (image processing).
+-#                            Only available for CUDA version 5.5+.
++#                            Only available for CUDA version 5.5+ and was split up
++#                            in CUDA version 8.0+ and doesn't exist in combined
++#                            form in CUDA version 9.0+.
++#   CUDA_nppial_LIBRARY   -- NVIDIA Performance Primatives library (arithmetic and
++#                            logical operation functions). Only available for CUDA
++#                            version 8.0+.
++#   CUDA_nppicc_LIBRARY   -- NVIDIA Performance Primatives library (color conversion
++#                            and sampling functions). Only available for CUDA version
++#                            8.0+.
++#   CUDA_nppicom_LIBRARY  -- NVIDIA Performance Primatives library (JPEG compression
++#                            and decompression functions). Only available for CUDA
++#                            version 8.0+.
++#   CUDA_nppidei_LIBRARY  -- NVIDIA Performance Primatives library (data exchange and
++#                            initialization functions). Only available for CUDA
++#                            version 8.0+.
++#   CUDA_nppif_LIBRARY    -- NVIDIA Performance Primatives library (filtering and
++#                            computer vision functions). Only available for CUDA
++#                            version 8.0+.
++#   CUDA_nppig_LIBRARY    -- NVIDIA Performance Primatives library (geometry
++#                            transformation functions). Only available for CUDA
++#                            version 8.0+.
++#   CUDA_nppim_LIBRARY    -- NVIDIA Performance Primatives library (morphological
++#                            operation functions). Only available for CUDA version
++#                            8.0+.
++#   CUDA_nppist_LIBRARY   -- NVIDIA Performance Primatives library (statistics and
++#                            linear transform). Only available for CUDA version
++#                            8.0+.
++#   CUDA_nppisu_LIBRARY   -- NVIDIA Performance Primatives library (memory support
++#                            functions). Only available for CUDA version 8.0+.
++#   CUDA_nppitc_LIBRARY   -- NVIDIA Performance Primatives library (threshold and
++#                            compare operation functions). Only available for CUDA
++#                            version 8.0+.
+ #   CUDA_npps_LIBRARY     -- NVIDIA Performance Primitives lib (signal processing).
+ #                            Only available for CUDA version 5.5+.
+ #   CUDA_nvcuvenc_LIBRARY -- CUDA Video Encoder library.
+@@ -522,6 +553,16 @@ macro(cuda_unset_include_and_libraries)
+   unset(CUDA_npp_LIBRARY CACHE)
+   unset(CUDA_nppc_LIBRARY CACHE)
+   unset(CUDA_nppi_LIBRARY CACHE)
++  unset(CUDA_nppial_LIBRARY CACHE)
++  unset(CUDA_nppicc_LIBRARY CACHE)
++  unset(CUDA_nppicom_LIBRARY CACHE)
++  unset(CUDA_nppidei_LIBRARY CACHE)
++  unset(CUDA_nppif_LIBRARY CACHE)
++  unset(CUDA_nppig_LIBRARY CACHE)
++  unset(CUDA_nppim_LIBRARY CACHE)
++  unset(CUDA_nppist_LIBRARY CACHE)
++  unset(CUDA_nppisu_LIBRARY CACHE)
++  unset(CUDA_nppitc_LIBRARY CACHE)
+   unset(CUDA_npps_LIBRARY CACHE)
+   unset(CUDA_nvcuvenc_LIBRARY CACHE)
+   unset(CUDA_nvcuvid_LIBRARY CACHE)
+@@ -787,7 +828,22 @@ if(NOT CUDA_VERSION VERSION_LESS "3.2")
+     find_cuda_helper_libs(nvcuvid)
+   endif()
+ endif()
+-if(CUDA_VERSION VERSION_GREATER "5.0")
++if(CUDA_VERSION VERSION_GREATER "7.5")
++  # In CUDA 8.0 NPP was splitted onto 12 separate libraries.
++  find_cuda_helper_libs(nppc)
++  find_cuda_helper_libs(nppial)
++  find_cuda_helper_libs(nppicc)
++  find_cuda_helper_libs(nppicom)
++  find_cuda_helper_libs(nppidei)
++  find_cuda_helper_libs(nppif)
++  find_cuda_helper_libs(nppig)
++  find_cuda_helper_libs(nppim)
++  find_cuda_helper_libs(nppist)
++  find_cuda_helper_libs(nppisu)
++  find_cuda_helper_libs(nppitc)
++  find_cuda_helper_libs(npps)
++  set(CUDA_npp_LIBRARY "${CUDA_nppc_LIBRARY};${CUDA_nppial_LIBRARY};${CUDA_nppicc_LIBRARY};${CUDA_nppicom_LIBRARY};${CUDA_nppidei_LIBRARY};${CUDA_nppif_LIBRARY};${CUDA_nppig_LIBRARY};${CUDA_nppim_LIBRARY};${CUDA_nppist_LIBRARY};${CUDA_nppisu_LIBRARY};${CUDA_nppitc_LIBRARY};${CUDA_npps_LIBRARY}")
++elseif(CUDA_VERSION VERSION_GREATER "5.0")
+   # In CUDA 5.5 NPP was splitted onto 3 separate libraries.
+   find_cuda_helper_libs(nppc)
+   find_cuda_helper_libs(nppi)
+
+
diff --git a/media-libs/opencv/files/opencv-3.3.0-cuda9-compute20.patch b/media-libs/opencv/files/opencv-3.3.0-cuda9-compute20.patch
new file mode 100644
index 000000000000..384630002d98
--- /dev/null
+++ b/media-libs/opencv/files/opencv-3.3.0-cuda9-compute20.patch
@@ -0,0 +1,21 @@
+--- a/cmake/OpenCVDetectCUDA.cmake	2018-01-02 11:57:50.358147518 -0500
++++ b/cmake/OpenCVDetectCUDA.cmake	2018-01-02 12:48:44.108965500 -0500
+@@ -104,7 +104,7 @@
+       if(${CUDA_VERSION} VERSION_LESS "8.0")
+         set(__cuda_arch_bin "2.0 3.0 3.5 3.7 5.0 5.2")
+       else()
+-        set(__cuda_arch_bin "2.0 3.0 3.5 3.7 5.0 5.2 6.0 6.1")
++        set(__cuda_arch_bin "3.0 3.5 3.7 5.0 5.2 6.0 6.1")
+       endif()
+     endif()
+   endif()
+@@ -209,7 +209,7 @@ if(CUDA_FOUND)
+     endif()
+
+     if(UNIX OR APPLE)
+-      set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} -Xcompiler -fPIC)
++      set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} -Xcompiler -fPIC --expt-relaxed-constexpr)
+     endif()
+     if(APPLE)
+       set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} -Xcompiler -fno-finite-math-only)
+
diff --git a/media-libs/opencv/files/opencv-3.3.0-cuda9-saturate.patch b/media-libs/opencv/files/opencv-3.3.0-cuda9-saturate.patch
new file mode 100644
index 000000000000..43e2a0833cae
--- /dev/null
+++ b/media-libs/opencv/files/opencv-3.3.0-cuda9-saturate.patch
@@ -0,0 +1,41 @@
+diff --git a/var/tmp/portage/media-libs/opencv-3.3.0-r4/work/opencv-3.3.0/modules/cudev/include/opencv2/cudev/util/saturate_cast.hpp b/./saturate_cast.hpp
+index ec9804c..4359d18 100644
+--- a/modules/cudev/include/opencv2/cudev/util/saturate_cast.hpp
++++ b/modules/cudev/include/opencv2/cudev/util/saturate_cast.hpp
+@@ -47,6 +47,9 @@
+ #define OPENCV_CUDEV_UTIL_SATURATE_CAST_HPP
+ 
+ #include "../common.hpp"
++#if __CUDACC_VER_MAJOR__ >= 9
++#include <cuda_fp16.h>
++#endif
+ 
+ namespace cv { namespace cudev {
+ 
+@@ -274,15 +277,25 @@ template <typename T, typename D> __device__ __forceinline__ D cast_fp16(T v);
+ 
+ template <> __device__ __forceinline__ float cast_fp16<short, float>(short v)
+ {
++#if __CUDACC_VER_MAJOR__ >= 9
++  return float(*(__half*)&v);
++#else
+     return __half2float(v);
++#endif
+ }
+ 
+ template <> __device__ __forceinline__ short cast_fp16<float, short>(float v)
+ {
+-    return (short)__float2half_rn(v);
++#if __CUDACC_VER_MAJOR__ >= 9
++  __half h(v);
++  return *(short*)&v;
++#else
++  return (short)__float2half_rn(v);
++#endif
+ }
+ //! @}
+ 
+ }}
+ 
+ #endif
++
diff --git a/media-libs/opencv/metadata.xml b/media-libs/opencv/metadata.xml
index 271e88041349..a557fc060986 100644
--- a/media-libs/opencv/metadata.xml
+++ b/media-libs/opencv/metadata.xml
@@ -25,6 +25,7 @@ Face Recognition; Gesture Recognition; Motion Tracking, Ego Motion, Motion Under
 		<flag name="ipp">Enable Intel Integrated Primitive support</flag>
 		<flag restrict="&gt;=media-libs/opencv-3.1.0" name="contrib_xfeatures2d">Enables xfeatures2d and autodownload of samples in contrib</flag>
 		<flag restrict="&gt;=media-libs/opencv-3.1.0" name="contrib_cvv">CVV module requires Qt5</flag>
+		<flag restrict="&gt;=media-libs/opencv-3.3.0" name="contrib_dnn">DNN module contrib requires tiny dnn</flag>
 		<flag restrict="&gt;=media-libs/opencv-3.1.0" name="contrib_hdf">HDF module requires <pkg>sci-libs/hdf5</pkg></flag>
 		<flag restrict="&gt;=media-libs/opencv-3.1.0" name="contrib_sfm">SFM module requires eigen, gflags, and glog</flag>
 		<flag name="opencl">Add support for OpenCL</flag>
diff --git a/media-libs/opencv/opencv-3.3.0-r5.ebuild b/media-libs/opencv/opencv-3.3.0-r5.ebuild
new file mode 100644
index 000000000000..8b76d7910413
--- /dev/null
+++ b/media-libs/opencv/opencv-3.3.0-r5.ebuild
@@ -0,0 +1,466 @@
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+PYTHON_COMPAT=( python{2_7,3_4,3_5,3_6} )
+
+inherit toolchain-funcs python-r1 java-pkg-opt-2 java-ant-2 cmake-multilib
+
+DESCRIPTION="A collection of algorithms and sample code for various computer vision problems"
+HOMEPAGE="https://opencv.org"
+TINY_DNN_PV="1.0.0a3"
+SRC_URI="https://github.com/${PN}/${PN}/archive/${PV}.tar.gz -> ${P}.tar.gz
+	https://dev.gentoo.org/~amynka/snap/imgcodecs-${P}.tar.gz
+	contrib? ( https://github.com/${PN}/${PN}_contrib/archive/${PV}.tar.gz -> ${P}_contrib.tar.gz
+		contrib_dnn? ( https://github.com/tiny-dnn/tiny-dnn/archive/v${TINY_DNN_PV}.tar.gz -> tiny-dnn-${TINY_DNN_PV}.tar.gz )
+		contrib_xfeatures2d? ( https://dev.gentoo.org/~amynka/snap/vgg_boostdesc-3.2.0.tar.gz ) ) "
+LICENSE="BSD"
+SLOT="0/3.3" # subslot = libopencv* soname version
+KEYWORDS="~amd64 ~arm ~arm64 ~ppc ~ppc64 ~x86 ~amd64-linux"
+IUSE="contrib cuda debug +eigen examples ffmpeg gdal gflags glog gphoto2 gstreamer gtk ieee1394 ipp jpeg jpeg2k lapack libav opencl openexr opengl openmp pch png +python qt5 tesseract testprograms threads tiff vaapi v4l vtk webp xine contrib_cvv contrib_dnn contrib_hdf contrib_sfm contrib_xfeatures2d"
+
+# OpenGL needs gtk or Qt installed to activate, otherwise build system
+# will silently disable it without the user knowing, which defeats the
+# purpose of the opengl use flag.
+REQUIRED_USE="
+	cuda? ( tesseract? ( opencl ) )
+	gflags? ( contrib )
+	glog? ( contrib )
+	contrib_cvv? ( contrib qt5 )
+	contrib_dnn? ( contrib )
+	contrib_hdf? ( contrib )
+	contrib_sfm? ( contrib eigen gflags glog )
+	contrib_xfeatures2d? ( contrib cuda )
+	java? ( python )
+	opengl? ( || ( gtk qt5 ) )
+	python? ( ${PYTHON_REQUIRED_USE} )
+	tesseract? ( contrib )"
+
+# The following logic is intrinsic in the build system, but we do not enforce
+# it on the useflags since this just blocks emerging pointlessly:
+#	gtk? ( !qt5 )
+#	openmp? ( !threads )
+
+RDEPEND="
+	app-arch/bzip2[${MULTILIB_USEDEP}]
+	dev-libs/protobuf:=[${MULTILIB_USEDEP}]
+	sys-libs/zlib[${MULTILIB_USEDEP}]
+	cuda? ( dev-util/nvidia-cuda-toolkit:0= )
+	contrib_hdf? ( sci-libs/hdf5 )
+	ffmpeg? (
+		libav? ( media-video/libav:0=[${MULTILIB_USEDEP}] )
+		!libav? ( media-video/ffmpeg:0=[${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[${MULTILIB_USEDEP}]
+	)
+	gtk? (
+		dev-libs/glib:2[${MULTILIB_USEDEP}]
+		x11-libs/gtk+:2[${MULTILIB_USEDEP}]
+		opengl? ( x11-libs/gtkglext[${MULTILIB_USEDEP}] )
+	)
+	ieee1394? (
+		media-libs/libdc1394[${MULTILIB_USEDEP}]
+		sys-libs/libraw1394[${MULTILIB_USEDEP}]
+	)
+	ipp? ( sci-libs/ipp )
+	java? ( >=virtual/jre-1.6:* )
+	jpeg? ( virtual/jpeg:0[${MULTILIB_USEDEP}] )
+	jpeg2k? ( media-libs/jasper:=[${MULTILIB_USEDEP}] )
+	lapack? ( virtual/lapack )
+	opencl? ( virtual/opencl[${MULTILIB_USEDEP}] )
+	openexr? ( media-libs/openexr[${MULTILIB_USEDEP}] )
+	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 )
+	)
+	tesseract? ( app-text/tesseract[opencl=] )
+	threads? ( dev-cpp/tbb[${MULTILIB_USEDEP}] )
+	tiff? ( media-libs/tiff:0[${MULTILIB_USEDEP}] )
+	v4l? ( >=media-libs/libv4l-0.8.3[${MULTILIB_USEDEP}] )
+	vtk? ( sci-libs/vtk[rendering] )
+	webp? ( media-libs/libwebp[${MULTILIB_USEDEP}] )
+	xine? ( media-libs/xine-lib )"
+DEPEND="${RDEPEND}
+	virtual/pkgconfig[${MULTILIB_USEDEP}]
+	contrib_dnn? ( dev-libs/cereal )
+	eigen? ( dev-cpp/eigen:3 )
+	java?  ( >=virtual/jdk-1.6 )"
+
+MULTILIB_WRAPPED_HEADERS=(
+	/usr/include/opencv2/cvconfig.h
+	/usr/include/opencv2/opencv_modules.hpp
+	# [contrib_cvv]
+	/usr/include/opencv2/cvv.hpp
+	/usr/include/opencv2/cvv/call_meta_data.hpp
+	/usr/include/opencv2/cvv/cvv.hpp
+	/usr/include/opencv2/cvv/debug_mode.hpp
+	/usr/include/opencv2/cvv/dmatch.hpp
+	/usr/include/opencv2/cvv/filter.hpp
+	/usr/include/opencv2/cvv/final_show.hpp
+	/usr/include/opencv2/cvv/show_image.hpp
+	# [contrib_hdf]
+	/usr/include/opencv2/hdf.hpp
+	/usr/include/opencv2/hdf/hdf5.hpp
+	# [vtk]
+	/usr/include/opencv2/viz.hpp
+	/usr/include/opencv2/viz/types.hpp
+	/usr/include/opencv2/viz/viz3d.hpp
+	/usr/include/opencv2/viz/vizcore.hpp
+	/usr/include/opencv2/viz/widget_accessor.hpp
+	/usr/include/opencv2/viz/widgets.hpp
+	# [cudev]
+	/usr/include/opencv2/cudaarithm.hpp
+	/usr/include/opencv2/cudabgsegm.hpp
+	/usr/include/opencv2/cudacodec.hpp
+	/usr/include/opencv2/cudafeatures2d.hpp
+	/usr/include/opencv2/cudafilters.hpp
+	/usr/include/opencv2/cudaimgproc.hpp
+	/usr/include/opencv2/cudalegacy.hpp
+	/usr/include/opencv2/cudalegacy/NCVBroxOpticalFlow.hpp
+	/usr/include/opencv2/cudalegacy/NCVHaarObjectDetection.hpp
+	/usr/include/opencv2/cudalegacy/NCV.hpp
+	/usr/include/opencv2/cudalegacy/NCVPyramid.hpp
+	/usr/include/opencv2/cudalegacy/NPP_staging.hpp
+	/usr/include/opencv2/cudaobjdetect.hpp
+	/usr/include/opencv2/cudaoptflow.hpp
+	/usr/include/opencv2/cudastereo.hpp
+	/usr/include/opencv2/cudawarping.hpp
+	/usr/include/opencv2/cudev/block/block.hpp
+	/usr/include/opencv2/cudev/block/detail/reduce.hpp
+	/usr/include/opencv2/cudev/block/detail/reduce_key_val.hpp
+	/usr/include/opencv2/cudev/block/dynamic_smem.hpp
+	/usr/include/opencv2/cudev/block/reduce.hpp
+	/usr/include/opencv2/cudev/block/scan.hpp
+	/usr/include/opencv2/cudev/block/vec_distance.hpp
+	/usr/include/opencv2/cudev/common.hpp
+	/usr/include/opencv2/cudev/expr/binary_func.hpp
+	/usr/include/opencv2/cudev/expr/binary_op.hpp
+	/usr/include/opencv2/cudev/expr/color.hpp
+	/usr/include/opencv2/cudev/expr/deriv.hpp
+	/usr/include/opencv2/cudev/expr/expr.hpp
+	/usr/include/opencv2/cudev/expr/per_element_func.hpp
+	/usr/include/opencv2/cudev/expr/reduction.hpp
+	/usr/include/opencv2/cudev/expr/unary_func.hpp
+	/usr/include/opencv2/cudev/expr/unary_op.hpp
+	/usr/include/opencv2/cudev/expr/warping.hpp
+	/usr/include/opencv2/cudev/functional/color_cvt.hpp
+	/usr/include/opencv2/cudev/functional/detail/color_cvt.hpp
+	/usr/include/opencv2/cudev/functional/functional.hpp
+	/usr/include/opencv2/cudev/functional/tuple_adapter.hpp
+	/usr/include/opencv2/cudev/grid/copy.hpp
+	/usr/include/opencv2/cudev/grid/detail/copy.hpp
+	/usr/include/opencv2/cudev/grid/detail/histogram.hpp
+	/usr/include/opencv2/cudev/grid/detail/integral.hpp
+	/usr/include/opencv2/cudev/grid/detail/minmaxloc.hpp
+	/usr/include/opencv2/cudev/grid/detail/pyr_down.hpp
+	/usr/include/opencv2/cudev/grid/detail/pyr_up.hpp
+	/usr/include/opencv2/cudev/grid/detail/reduce.hpp
+	/usr/include/opencv2/cudev/grid/detail/reduce_to_column.hpp
+	/usr/include/opencv2/cudev/grid/detail/reduce_to_row.hpp
+	/usr/include/opencv2/cudev/grid/detail/split_merge.hpp
+	/usr/include/opencv2/cudev/grid/detail/transform.hpp
+	/usr/include/opencv2/cudev/grid/detail/transpose.hpp
+	/usr/include/opencv2/cudev/grid/histogram.hpp
+	/usr/include/opencv2/cudev/grid/integral.hpp
+	/usr/include/opencv2/cudev/grid/pyramids.hpp
+	/usr/include/opencv2/cudev/grid/reduce.hpp
+	/usr/include/opencv2/cudev/grid/reduce_to_vec.hpp
+	/usr/include/opencv2/cudev/grid/split_merge.hpp
+	/usr/include/opencv2/cudev/grid/transform.hpp
+	/usr/include/opencv2/cudev/grid/transpose.hpp
+	/usr/include/opencv2/cudev.hpp
+	/usr/include/opencv2/cudev/ptr2d/constant.hpp
+	/usr/include/opencv2/cudev/ptr2d/deriv.hpp
+	/usr/include/opencv2/cudev/ptr2d/detail/gpumat.hpp
+	/usr/include/opencv2/cudev/ptr2d/extrapolation.hpp
+	/usr/include/opencv2/cudev/ptr2d/glob.hpp
+	/usr/include/opencv2/cudev/ptr2d/gpumat.hpp
+	/usr/include/opencv2/cudev/ptr2d/interpolation.hpp
+	/usr/include/opencv2/cudev/ptr2d/lut.hpp
+	/usr/include/opencv2/cudev/ptr2d/mask.hpp
+	/usr/include/opencv2/cudev/ptr2d/remap.hpp
+	/usr/include/opencv2/cudev/ptr2d/resize.hpp
+	/usr/include/opencv2/cudev/ptr2d/texture.hpp
+	/usr/include/opencv2/cudev/ptr2d/traits.hpp
+	/usr/include/opencv2/cudev/ptr2d/transform.hpp
+	/usr/include/opencv2/cudev/ptr2d/warping.hpp
+	/usr/include/opencv2/cudev/ptr2d/zip.hpp
+	/usr/include/opencv2/cudev/util/atomic.hpp
+	/usr/include/opencv2/cudev/util/detail/tuple.hpp
+	/usr/include/opencv2/cudev/util/detail/type_traits.hpp
+	/usr/include/opencv2/cudev/util/limits.hpp
+	/usr/include/opencv2/cudev/util/saturate_cast.hpp
+	/usr/include/opencv2/cudev/util/simd_functions.hpp
+	/usr/include/opencv2/cudev/util/tuple.hpp
+	/usr/include/opencv2/cudev/util/type_traits.hpp
+	/usr/include/opencv2/cudev/util/vec_math.hpp
+	/usr/include/opencv2/cudev/util/vec_traits.hpp
+	/usr/include/opencv2/cudev/warp/detail/reduce.hpp
+	/usr/include/opencv2/cudev/warp/detail/reduce_key_val.hpp
+	/usr/include/opencv2/cudev/warp/reduce.hpp
+	/usr/include/opencv2/cudev/warp/scan.hpp
+	/usr/include/opencv2/cudev/warp/shuffle.hpp
+	/usr/include/opencv2/cudev/warp/warp.hpp
+)
+
+PATCHES=(
+	"${FILESDIR}/${PN}-3.0.0-gles.patch"
+	"${FILESDIR}/${PN}-3.1.0-java-magic.patch"
+	"${FILESDIR}/${PN}-3.1.0-find-libraries-fix.patch"
+	"${WORKDIR}/${P}-imgcodecs-gcc.patch" # bug 627958 and https://github.com/opencv/opencv/pull/9376
+	"${FILESDIR}/${P}-cuda9-cmake.patch"
+	"${FILESDIR}/${P}-cuda9-saturate.patch"
+	"${FILESDIR}/${P}-cuda9-compute20.patch"
+)
+
+pkg_pretend() {
+	[[ ${MERGE_TYPE} != binary ]] && use openmp && tc-check-openmp
+}
+
+pkg_setup() {
+	[[ ${MERGE_TYPE} != binary ]] && use openmp && tc-check-openmp
+	java-pkg-opt-2_pkg_setup
+}
+
+src_prepare() {
+	cmake-utils_src_prepare
+
+	# remove bundled stuff
+	rm -rf 3rdparty || die "Removing 3rd party components failed"
+	sed -e '/add_subdirectory(.*3rdparty.*)/ d' \
+		-i CMakeLists.txt cmake/*cmake || die
+
+	if use contrib && use contrib_dnn; then
+		cd  "${WORKDIR}/${PN}_contrib-${PV}" || die
+		eapply "${FILESDIR}/${P}-remove-tiny-dnn-autodownload.patch"
+	fi
+
+	if use contrib && use contrib_xfeatures2d; then
+		cd  "${WORKDIR}/${PN}_contrib-${PV}" || die
+		eapply "${FILESDIR}/${P}-contrib-xfeatures2d.patch"
+		mv "${WORKDIR}"/*.i "${WORKDIR}/${PN}_contrib-${PV}"/modules/xfeatures2d/src/ || die
+	fi
+
+	java-pkg-opt-2_src_prepare
+
+	# this really belongs in src_prepare() too
+	JAVA_ANT_ENCODING="iso-8859-1"
+	# set encoding so even this cmake build will pick it up.
+	export ANT_OPTS+=" -Dfile.encoding=iso-8859-1"
+	java-ant-2_src_configure
+}
+
+multilib_src_configure() {
+	# please dont sort here, order is the same as in CMakeLists.txt
+	GLOBALCMAKEARGS=(
+	# Optional 3rd party components
+	# ===================================================
+		-DWITH_1394=$(usex ieee1394)
+	#	-DWITH_AVFOUNDATION=OFF # IOS
+		-DWITH_VTK=$(multilib_native_usex vtk)
+		-DWITH_EIGEN=$(usex eigen)
+		-DWITH_VFW=OFF # Video windows support
+		-DWITH_FFMPEG=$(usex ffmpeg)
+		-DWITH_GSTREAMER=$(usex gstreamer)
+		-DWITH_GSTREAMER_0_10=OFF	# Don't want this
+		-DWITH_GTK=$(usex gtk)
+		-DWITH_GTK_2_X=$(usex gtk)
+		-DWITH_IPP=$(multilib_native_usex ipp)
+		-DWITH_JASPER=$(usex jpeg2k)
+		-DWITH_JPEG=$(usex jpeg)
+		-DWITH_WEBP=$(usex webp)
+		-DWITH_OPENEXR=$(usex openexr)
+		-DWITH_OPENGL=$(usex opengl)
+		-DWITH_OPENVX=OFF
+		-DWITH_OPENNI=OFF	# Not packaged
+		-DWITH_OPENNI2=OFF	# Not packaged
+		-DWITH_PNG=$(usex png)
+		-DWITH_GDCM=OFF
+		-DWITH_PVAPI=OFF
+		-DWITH_GIGEAPI=OFF
+		-DWITH_ARAVIS=OFF
+		-DWITH_QT=$(multilib_native_usex qt5 5 OFF)
+		-DWITH_WIN32UI=OFF		# Windows only
+	#	-DWITH_QUICKTIME=OFF
+	#	-DWITH_QTKIT=OFF
+		-DWITH_TBB=$(usex threads)
+		-DWITH_OPENMP=$(usex openmp)
+		-DWITH_CSTRIPES=OFF
+		-DWITH_PTHREADS_PF=ON
+		-DWITH_TIFF=$(usex tiff)
+		-DWITH_UNICAP=OFF		# Not packaged
+		-DWITH_V4L=$(usex v4l)
+		-DWITH_LIBV4L=$(usex v4l)
+		-DWITH_DSHOW=ON			# direct show supp
+		-DWITH_MSMF=OFF
+		-DWITH_XIMEA=OFF	# Windows only
+		-DWITH_XINE=$(multilib_native_usex xine)
+		-DWITH_CLP=OFF
+		-DWITH_OPENCL=$(usex opencl)
+		-DWITH_OPENCL_SVM=OFF
+		-DWITH_OPENCLAMDFFT=$(usex opencl)
+		-DWITH_OPENCLAMDBLAS=$(usex opencl)
+		-DWITH_DIRECTX=OFF
+		-DWITH_INTELPERC=OFF
+		-DWITH_JAVA=$(multilib_native_usex java) # Ant needed, no compile flag
+		-DWITH_IPP_A=OFF
+		-DWITH_MATLAB=OFF
+		-DWITH_VA=$(usex vaapi)
+		-DWITH_VA_INTEL=$(usex vaapi)
+		-DWITH_GDAL=$(multilib_native_usex gdal)
+		-DWITH_GPHOTO2=$(usex gphoto2)
+		-DWITH_LAPACK=$(multilib_native_usex lapack)
+		-DWITH_ITT=OFF # 3dparty libs itt_notify
+	# ===================================================
+	# CUDA build components: nvidia-cuda-toolkit takes care of GCC version
+	# ===================================================
+		-DWITH_CUDA=$(multilib_native_usex cuda)
+		-DWITH_CUBLAS=$(multilib_native_usex cuda)
+		-DWITH_CUFFT=$(multilib_native_usex cuda)
+		-DWITH_NVCUVID=OFF
+#		-DWITH_NVCUVID=$(usex cuda)
+		-DCUDA_NPP_LIBRARY_ROOT_DIR=$(usex cuda "${EPREFIX}/opt/cuda" "")
+	# ===================================================
+	# OpenCV build components
+	# ===================================================
+		-DBUILD_SHARED_LIBS=ON
+		-DBUILD_ANDROID_EXAMPLES=OFF
+		-BUILD_opencv_apps=
+		-DBUILD_DOCS=OFF # Doesn't install anyways.
+		-DBUILD_EXAMPLES=$(multilib_native_usex examples)
+		-DBUILD_PERF_TESTS=OFF
+		-DBUILD_TESTS=$(multilib_native_usex testprograms)
+		-DBUILD_WITH_DEBUG_INFO=$(usex debug)
+	#	-DBUILD_WITH_STATIC_CRT=OFF
+		-DBUILD_WITH_DYNAMIC_IPP=OFF
+		-DBUILD_FAT_JAVA_LIB=$(multilib_native_usex java)
+	#	-DBUILD_ANDROID_SERVICE=OFF
+		-DBUILD_CUDA_STUBS=$(multilib_native_usex cuda)
+		-DOPENCV_EXTRA_MODULES_PATH=$(usex contrib "${WORKDIR}/opencv_contrib-${PV}/modules" "")
+	# ===================================================
+	# OpenCV installation options
+	# ===================================================
+		-DINSTALL_CREATE_DISTRIB=OFF
+		-DINSTALL_C_EXAMPLES=$(multilib_native_usex examples)
+		-DINSTALL_TESTS=$(multilib_native_usex testprograms)
+		-DINSTALL_PYTHON_EXAMPLES=$(multilib_native_usex examples)
+	#	-DINSTALL_ANDROID_EXAMPLES=OFF
+		-DINSTALL_TO_MANGLED_PATHS=OFF
+	# ===================================================
+	# OpenCV build options
+	# ===================================================
+		-DENABLE_CCACHE=OFF
+		-DENABLE_PRECOMPILED_HEADERS=$(usex pch)
+		-DENABLE_SOLUTION_FOLDERS=OFF
+		-DENABLE_PROFILING=OFF
+		-DENABLE_COVERAGE=OFF
+
+		-DHAVE_opencv_java=$(multilib_native_usex java YES NO)
+		-DENABLE_NOISY_WARNINGS=OFF
+		-DOPENCV_WARNINGS_ARE_ERRORS=OFF
+		-DENABLE_IMPL_COLLECTION=OFF
+		-DENABLE_INSTRUMENTATION=OFF
+		-DGENERATE_ABI_DESCRIPTOR=OFF
+		-DDOWNLOAD_EXTERNAL_TEST_DATA=OFF
+	# ===================================================
+	# things we want to be hard off or not yet figured out
+	# ===================================================
+		-DBUILD_PACKAGE=OFF
+	# ===================================================
+	# Not building protobuf but update files bug #631418
+	# ===================================================
+		-DBUILD_PROTOBUF=OFF
+		-DPROTOBUF_UPDATE_FILES=ON
+	# ===================================================
+	# things we want to be hard enabled not worth useflag
+	# ===================================================
+		-DCMAKE_SKIP_RPATH=ON
+		-DOPENCV_DOC_INSTALL_PATH=
+	)
+
+	# ===================================================
+	# OpenCV Contrib Modules
+	# ===================================================
+	if use contrib; then
+		GLOBALCMAKEARGS+=(
+			-DBUILD_opencv_dnn=$(usex contrib_dnn ON OFF)
+			-DTINYDNN_ROOT="${WORKDIR}/tiny-dnn-${TINY_DNN_PV}"
+			-DBUILD_opencv_dnns_easily_fooled=OFF
+			-DBUILD_opencv_xfeatures2d=$(usex contrib_xfeatures2d ON OFF)
+			-DBUILD_opencv_cvv=$(usex contrib_cvv ON OFF)
+			-DBUILD_opencv_hdf=$(multilib_native_usex contrib_hdf ON OFF)
+			-DBUILD_opencv_sfm=$(usex contrib_sfm ON OFF)
+		)
+
+		if multilib_is_native_abi; then
+			GLOBALCMAKEARGS+=(
+				-DCMAKE_DISABLE_FIND_PACKAGE_Tesseract=$(usex !tesseract)
+			)
+		else
+			GLOBALCMAKEARGS+=(
+				-DCMAKE_DISABLE_FIND_PACKAGE_Tesseract=ON
+			)
+		fi
+	fi
+
+	# workaround for bug 413429
+	tc-export CC CXX
+
+	local mycmakeargs=( ${GLOBALCMAKEARGS[@]}
+		-DPYTHON_EXECUTABLE=OFF
+		-DINSTALL_PYTHON_EXAMPLES=OFF
+	)
+
+	cmake-utils_src_configure
+}
+
+python_module_compile() {
+	local BUILD_DIR=${orig_BUILD_DIR}
+	local mycmakeargs=( ${GLOBALCMAKEARGS[@]} )
+
+	# Set all python variables to load the correct Gentoo paths
+	mycmakeargs+=(
+		# cheap trick: python_setup sets one of them as a symlink
+		# to the correct interpreter, and the other to fail-wrapper
+		-DPYTHON2_EXECUTABLE=$(type -P python2)
+		-DPYTHON3_EXECUTABLE=$(type -P python3)
+		-DINSTALL_PYTHON_EXAMPLES=$(usex examples)
+	)
+
+	# Regenerate cache file. Can't use rebuild_cache as it won't
+	# have the Gentoo specific options.
+	rm -rf CMakeCache.txt || die "rm failed"
+	cmake-utils_src_configure
+	cmake-utils_src_compile
+	cmake-utils_src_install
+
+	# Remove compiled binary so new version compiles
+	# Avoid conflicts with new module builds as build system doesn't
+	# really support it.
+	rm -rf modules/python2 || die "rm failed"
+}
+
+multilib_src_install() {
+	cmake-utils_src_install
+
+	# Build and install the python modules for all targets
+	if multilib_is_native_abi && use python; then
+		local orig_BUILD_DIR=${BUILD_DIR}
+		python_foreach_impl python_module_compile
+	fi
+}