[gentoo-commits] repo/gentoo:master commit in: media-libs/opencv/files/, media-libs/opencv/

["Amy Winston" <amynka@gentoo.org>]

commit:     cf149b0c51363346080559b66a540c956cfd05aa
Author:     dracwyrm <j.scruggs <AT> gmail <DOT> com>
AuthorDate: Thu Jun  9 12:52:00 2016 +0000
Commit:     Amy Winston <amynka <AT> gentoo <DOT> org>
CommitDate: Thu Jun  9 13:52:29 2016 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=cf149b0c

media-libs/opencv: change to EAPI 6 and fix python installation

-Add patch to install the correct bindings based on single_python_target
-Fix Cuda in ebuild
-Remove unused CMake options
-Modified patch to be -p1 format
-Tiny fixes and rewrites for EAPI 6 specs

 .../files/opencv-3.1.0-gentooify-python.patch      | 101 ++++++++
 .../opencv/files/opencv-3.1.0-git-autodetect.patch |   4 +-
 .../opencv/files/opencv-3.1.0-java-magic.patch     |  47 ++++
 media-libs/opencv/opencv-3.1.0-r4.ebuild           | 269 +++++++++++++++++++++
 4 files changed, 419 insertions(+), 2 deletions(-)

diff --git a/media-libs/opencv/files/opencv-3.1.0-gentooify-python.patch b/media-libs/opencv/files/opencv-3.1.0-gentooify-python.patch
new file mode 100644
index 0000000..7bb01b4
--- /dev/null
+++ b/media-libs/opencv/files/opencv-3.1.0-gentooify-python.patch
@@ -0,0 +1,101 @@
+diff -purN a/cmake/OpenCVDetectGentooPython.cmake b/cmake/OpenCVDetectGentooPython.cmake
+--- a/cmake/OpenCVDetectGentooPython.cmake	1970-01-01 01:00:00.000000000 +0100
++++ b/cmake/OpenCVDetectGentooPython.cmake	2016-06-09 10:21:09.236148446 +0100
+@@ -0,0 +1,77 @@
++# Find specified Python version
++# Arguments:
++#   found (variable): Set if interpreter found
++#   executable (variable): Output of executable found
++#   version_string (variable): Output of found version
++#   version_major (variable): Output of found major version
++#   version_minor (variable): Output of found minor version
++#   libs_found (variable): Set if libs found
++#   libs_version_string (variable): Output of found libs version
++#   libraries (variable): Output of found Python libraries
++#   library (variable): Output of found Python library
++#   debug_libraries (variable): Output of found Python debug libraries
++#   debug_library (variable): Output of found Python debug library
++#   include_path (variable): Output of found Python include path
++#   include_dir (variable): Output of found Python include dir
++#   include_dir2 (variable): Output of found Python include dir2
++#   packages_path (variable): Output of found Python packages path
++#   numpy_include_dirs (variable): Output of found Python Numpy include dirs
++function(find_python found executable version_string version_major version_minor
++         libs_found libs_version_string libraries library debug_libraries
++         debug_library include_path include_dir include_dir2 packages_path
++         numpy_include_dirs)
++
++  set(${found} "TRUE" PARENT_SCOPE)
++  set(${executable} "${GENTOO_PYTHON_EXECUTABLE}" CACHE FILEPATH "Path to Python interpretor")
++  set(${version_string} "${GENTOO_PYTHON_MAJOR}.${GENTOO_PYTHON_MINOR}" PARENT_SCOPE)
++  set(${version_major} "${GENTOO_PYTHON_MAJOR}" PARENT_SCOPE)
++  set(${version_minor} "${GENTOO_PYTHON_MINOR}" PARENT_SCOPE)
++  set(${libs_found} "TRUE" PARENT_SCOPE)
++  set(${libs_version_string} "${version_string}" PARENT_SCOPE)
++  set(${libraries} "${GENTOO_PYTHON_LIBRARIES}" PARENT_SCOPE)
++  set(${library} "${GENTOO_PYTHON_LIBRARIES}" CACHE FILEPATH "Path to Python library")
++  set(${debug_libraries} "${GENTOO_PYTHON_DEBUG_LIBRARIES}" PARENT_SCOPE)
++  set(${debug_library} "${GENTOO_PYTHON_DEBUG_LIBRARIES}" CACHE FILEPATH "Path to Python debug")
++  set(${include_path} "${GENTOO_PYTHON_INCLUDE_PATH}" PARENT_SCOPE)
++  set(${include_dir} "${GENTOO_PYTHON_INCLUDE_PATH}" CACHE PATH "Python include dir")
++  set(${include_dir2} "${GENTOO_PYTHON_INCLUDE_PATH}" CACHE PATH "Python include dir 2")
++  set(${packages_path} "${GENTOO_PYTHON_PACKAGES_PATH}" CACHE PATH "Where to install the python packages.")
++  set(${numpy_include_dirs} "${GENTOO_PYTHON_PACKAGES_PATH}/numpy/core/include/" CACHE PATH "Path to numpy headers")
++endfunction(find_python)
++
++# In order to use existing CMake files, this needs to be here to switch between
++# Python 2 and 3. It's messy and could be in the ebuild to declare this,
++# but then the ebuild would be a mile long and unreadable. This makes then
++# messy stuff hidden out of the way.
++set(PYTHON2INTERP_FOUND "FALSE")
++set(PYTHON3INTERP_FOUND "FALSE")
++
++if(WITH_PYTHON)
++  if(GENTOO_PYTHON_MAJOR EQUAL 2)
++    find_python(PYTHON2INTERP_FOUND PYTHON2_EXECUTABLE PYTHON2_VERSION_STRING
++      PYTHON2_VERSION_MAJOR PYTHON2_VERSION_MINOR PYTHON2LIBS_FOUND
++      PYTHON2LIBS_VERSION_STRING PYTHON2_LIBRARIES PYTHON2_LIBRARY
++      PYTHON2_DEBUG_LIBRARIES PYTHON2_LIBRARY_DEBUG PYTHON2_INCLUDE_PATH
++      PYTHON2_INCLUDE_DIR PYTHON2_INCLUDE_DIR2 PYTHON2_PACKAGES_PATH
++      PYTHON2_NUMPY_INCLUDE_DIRS)
++  endif()
++
++  if(GENTOO_PYTHON_MAJOR EQUAL 3)
++    find_python(PYTHON3INTERP_FOUND PYTHON3_EXECUTABLE PYTHON3_VERSION_STRING
++      PYTHON3_VERSION_MAJOR PYTHON3_VERSION_MINOR PYTHON3LIBS_FOUND
++      PYTHON3LIBS_VERSION_STRING PYTHON3_LIBRARIES PYTHON3_LIBRARY
++      PYTHON3_DEBUG_LIBRARIES PYTHON3_LIBRARY_DEBUG PYTHON3_INCLUDE_PATH
++      PYTHON3_INCLUDE_DIR PYTHON3_INCLUDE_DIR2 PYTHON3_PACKAGES_PATH
++      PYTHON3_NUMPY_INCLUDE_DIRS)
++  endif()
++endif()
++
++if(PYTHON2INTERP_FOUND) # Use Python 2 as default Python interpreter
++  set(PYTHON_DEFAULT_AVAILABLE "TRUE")
++  set(PYTHON_DEFAULT_EXECUTABLE "${PYTHON2_EXECUTABLE}")
++elseif(PYTHON3INTERP_FOUND) # Use Python 2 as fallback Python interpreter (if there is no Python 2)
++  set(PYTHON_DEFAULT_AVAILABLE "TRUE")
++  set(PYTHON_DEFAULT_EXECUTABLE "${PYTHON3_EXECUTABLE}")
++else()
++  set(PYTHON_DEFAULT_AVAILABLE "FALSE")
++endif()
+diff -purN a/CMakeLists.txt b/CMakeLists.txt
+--- a/CMakeLists.txt	2015-12-18 15:02:16.000000000 +0000
++++ b/CMakeLists.txt	2016-06-08 18:57:53.489793304 +0100
+@@ -215,6 +215,7 @@ OCV_OPTION(WITH_VA             "Include
+ OCV_OPTION(WITH_VA_INTEL       "Include Intel VA-API/OpenCL support"         OFF  IF (UNIX AND NOT ANDROID) )
+ OCV_OPTION(WITH_GDAL           "Include GDAL Support"                        OFF  IF (NOT ANDROID AND NOT IOS AND NOT WINRT) )
+ OCV_OPTION(WITH_GPHOTO2        "Include gPhoto2 library support"             ON   IF (UNIX AND NOT ANDROID) )
++OCV_OPTION(WITH_PYTHON         "Include python bindings"                     OFF)
+ 
+ # OpenCV build components
+ # ===================================================
+@@ -559,7 +560,7 @@ if(BUILD_DOCS)
+ endif(BUILD_DOCS)
+ 
+ # --- Python Support ---
+-include(cmake/OpenCVDetectPython.cmake)
++include(cmake/OpenCVDetectGentooPython.cmake)
+ 
+ # --- Java Support ---
+ include(cmake/OpenCVDetectApacheAnt.cmake)

diff --git a/media-libs/opencv/files/opencv-3.1.0-git-autodetect.patch b/media-libs/opencv/files/opencv-3.1.0-git-autodetect.patch
index e4fa287..f4bf0da 100644
--- a/media-libs/opencv/files/opencv-3.1.0-git-autodetect.patch
+++ b/media-libs/opencv/files/opencv-3.1.0-git-autodetect.patch
@@ -1,5 +1,5 @@
---- opencv-3.1.0-r1/work/opencv-3.1.0/CMakeLists.txt.old	2016-04-07 14:34:35.090937125 +0200
-+++ opencv-3.1.0-r1/work/opencv-3.1.0/CMakeLists.txt	2016-04-07 14:35:18.492935300 +0200
+--- a/CMakeLists.txt	2016-04-07 14:34:35.090937125 +0200
++++ b/CMakeLists.txt	2016-04-07 14:35:18.492935300 +0200
 @@ -444,23 +444,23 @@
  # ----------------------------------------------------------------------------
  #  Autodetect if we are in a GIT repository

diff --git a/media-libs/opencv/files/opencv-3.1.0-java-magic.patch b/media-libs/opencv/files/opencv-3.1.0-java-magic.patch
new file mode 100644
index 0000000..96a0e7e
--- /dev/null
+++ b/media-libs/opencv/files/opencv-3.1.0-java-magic.patch
@@ -0,0 +1,47 @@
+diff -purN a/CMakeLists.txt b/CMakeLists.txt
+--- a/CMakeLists.txt	2015-12-18 15:02:16.000000000 +0000
++++ b/CMakeLists.txt	2016-06-06 17:15:48.006020666 +0100
+@@ -209,6 +209,7 @@ OCV_OPTION(WITH_OPENCLAMDFFT   "Include
+ OCV_OPTION(WITH_OPENCLAMDBLAS  "Include AMD OpenCL BLAS library support"     ON   IF (NOT ANDROID AND NOT IOS AND NOT WINRT) )
+ OCV_OPTION(WITH_DIRECTX        "Include DirectX support"                     ON   IF (WIN32 AND NOT WINRT) )
+ OCV_OPTION(WITH_INTELPERC      "Include Intel Perceptual Computing support"  OFF  IF (WIN32 AND NOT WINRT) )
++OCV_OPTION(WITH_JAVA           "Include Java support"                        ON)
+ OCV_OPTION(WITH_IPP_A          "Include Intel IPP_A support"                 OFF  IF (MSVC OR X86 OR X86_64) )
+ OCV_OPTION(WITH_MATLAB         "Include Matlab support"                      ON   IF (NOT ANDROID AND NOT IOS AND NOT WINRT))
+ OCV_OPTION(WITH_VA             "Include VA support"                          OFF  IF (UNIX AND NOT ANDROID) )
+@@ -562,20 +563,25 @@ endif(BUILD_DOCS)
+ include(cmake/OpenCVDetectPython.cmake)
+ 
+ # --- Java Support ---
+-include(cmake/OpenCVDetectApacheAnt.cmake)
+-if(ANDROID)
+-  include(cmake/OpenCVDetectAndroidSDK.cmake)
++If(WITH_JAVA)
++  include(cmake/OpenCVDetectApacheAnt.cmake)
++  if(ANDROID)
++    include(cmake/OpenCVDetectAndroidSDK.cmake)
+ 
+-  if(NOT ANDROID_TOOLS_Pkg_Revision GREATER 13)
+-    message(WARNING "OpenCV requires Android SDK tools revision 14 or newer. Otherwise tests and samples will no be compiled.")
++    if(NOT ANDROID_TOOLS_Pkg_Revision GREATER 13)
++      message(WARNING "OpenCV requires Android SDK tools revision 14 or newer. Otherwise tests and samples will no be compiled.")
++    endif()
++  else()
++    find_package(JNI)
+   endif()
+-else()
+-  find_package(JNI)
+-endif()
+ 
+-if(ANDROID AND ANDROID_EXECUTABLE AND ANT_EXECUTABLE AND (ANT_VERSION VERSION_GREATER 1.7) AND (ANDROID_TOOLS_Pkg_Revision GREATER 13))
+-  SET(CAN_BUILD_ANDROID_PROJECTS TRUE)
++  if(ANDROID AND ANDROID_EXECUTABLE AND ANT_EXECUTABLE AND (ANT_VERSION VERSION_GREATER 1.7) AND (ANDROID_TOOLS_Pkg_Revision GREATER 13))
++    SET(CAN_BUILD_ANDROID_PROJECTS TRUE)
++  else()
++    SET(CAN_BUILD_ANDROID_PROJECTS FALSE)
++  endif()
+ else()
++  SET(ANT_EXECUTABLE "")
+   SET(CAN_BUILD_ANDROID_PROJECTS FALSE)
+ endif()
+ 

diff --git a/media-libs/opencv/opencv-3.1.0-r4.ebuild b/media-libs/opencv/opencv-3.1.0-r4.ebuild
new file mode 100644
index 0000000..d83ba38
--- /dev/null
+++ b/media-libs/opencv/opencv-3.1.0-r4.ebuild
@@ -0,0 +1,269 @@
+# Copyright 1999-2016 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=6
+PYTHON_COMPAT=( python{2_7,3_4,3_5} )
+
+inherit toolchain-funcs cmake-utils python-single-r1 java-pkg-opt-2 java-ant-2
+
+DESCRIPTION="A collection of algorithms and sample code for
+	various computer vision problems"
+HOMEPAGE="http://opencv.org"
+
+SRC_URI="
+	mirror://sourceforge/opencvlibrary/opencv-unix/${PV}/${P}.zip
+	https://github.com/Itseez/${PN}/archive/${PV}.zip -> ${P}.zip
+	contrib? ( 
+		https://github.com/Itseez/${PN}_contrib/archive/cd5993c6576267875adac300b9ddd1f881bb1766.zip
+		-> ${P}_contrib.zip )" #commit from Sun, 27 Mar 2016 17:31:51
+
+LICENSE="BSD"
+SLOT="0/3.1" # subslot = libopencv* soname version
+KEYWORDS="~amd64 ~arm ~ppc ~ppc64 ~x86 ~amd64-linux"
+IUSE="contrib cuda +eigen examples ffmpeg gdal gphoto2 gstreamer gtk \
+	ieee1394 ipp jpeg jpeg2k libav opencl openexr opengl openmp pch png \
+	+python qt4 qt5 testprograms threads tiff vaapi v4l vtk webp xine"
+
+REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )
+	?? ( qt4 qt5 )"
+
+# 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? ( !qt4 )
+#	opengl? ( || ( gtk qt4 ) )
+#	openmp? ( !threads )
+
+RDEPEND="
+	app-arch/bzip2
+	sys-libs/zlib
+	cuda? ( >=dev-util/nvidia-cuda-toolkit-5.5 )
+	ffmpeg? (
+		libav? ( media-video/libav:0= )
+		!libav? ( media-video/ffmpeg:0= )
+	)
+	gdal? ( sci-libs/gdal )
+	gphoto2? ( media-libs/libgphoto2 )
+	gstreamer? (
+		media-libs/gstreamer:1.0
+		media-libs/gst-plugins-base:1.0
+	)
+	gtk? (
+		dev-libs/glib:2
+		x11-libs/gtk+:2
+		opengl? ( x11-libs/gtkglext )
+	)
+	java? ( >=virtual/jre-1.6:* )
+	jpeg? ( virtual/jpeg:0 )
+	jpeg2k? ( media-libs/jasper )
+	ieee1394? (
+		media-libs/libdc1394
+		sys-libs/libraw1394
+	)
+	ipp? ( sci-libs/ipp )
+	opencl? ( virtual/opencl )
+	openexr? ( media-libs/openexr )
+	opengl? ( virtual/opengl virtual/glu )
+	png? ( media-libs/libpng:0= )
+	python? ( ${PYTHON_DEPS} dev-python/numpy[${PYTHON_USEDEP}] )
+	qt4? (
+		dev-qt/qtgui:4
+		dev-qt/qttest:4
+		opengl? ( dev-qt/qtopengl:4 )
+	)
+	qt5? (
+		dev-qt/qtgui:5
+		dev-qt/qttest:5
+		dev-qt/qtconcurrent:5
+		opengl? ( dev-qt/qtopengl:5 )
+	)
+	threads? ( dev-cpp/tbb )
+	tiff? ( media-libs/tiff:0 )
+	v4l? ( >=media-libs/libv4l-0.8.3 )
+	vtk? ( sci-libs/vtk[rendering] )
+	webp? ( media-libs/libwebp )
+	xine? ( media-libs/xine-lib )
+"
+DEPEND="${RDEPEND}
+	virtual/pkgconfig
+	eigen? ( dev-cpp/eigen:3 )
+	java?  ( >=virtual/jdk-1.6 )
+"
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-3.0.0-gles.patch
+	"${FILESDIR}"/${PN}-3.1.0-cmake-no-opengl.patch
+	"${FILESDIR}"/${P}-git-autodetect.patch
+	"${FILESDIR}"/${P}-java-magic.patch
+	"${FILESDIR}"/${P}-gentooify-python.patch
+)
+
+pkg_setup() {
+	use python && python-single-r1_pkg_setup
+	java-pkg-opt-2_pkg_setup
+}
+
+src_prepare() {
+	default
+
+	# remove bundled stuff
+	rm -rf 3rdparty || die "Removing 3rd party components failed"
+	sed -i \
+		-e '/add_subdirectory(.*3rdparty.*)/ d' \
+		CMakeLists.txt cmake/*cmake || die
+
+	java-pkg-opt-2_src_prepare
+}
+
+src_configure() {
+	if use openmp; then
+		tc-has-openmp || die "Please switch to an openmp compatible compiler"
+	fi
+
+	JAVA_ANT_ENCODING="iso-8859-1"
+	# set encoding so even this cmake build will pick it up.
+	export ANT_OPTS+=" -Dfile.encoding=iso-8859-1"
+	java-ant-2_src_configure
+
+	# please dont sort here, order is the same as in CMakeLists.txt
+	local mycmakeargs=(
+	# Optional 3rd party components
+	# ===================================================
+		-DWITH_1394=$(usex ieee1394 ON OFF)
+		-DWITH_AVFOUNDATION=OFF 	# IOS
+		-DWITH_VTK=$(usex vtk ON OFF)
+		-DWITH_EIGEN=$(usex eigen ON OFF)
+		-DWITH_VFW=OFF     		# Video windows support
+		-DWITH_FFMPEG=$(usex ffmpeg ON OFF)
+		-DWITH_GSTREAMER=$(usex gstreamer ON OFF)
+		-DWITH_GSTREAMER_0_10=OFF	# Don't want this
+		-DWITH_GTK=$(usex gtk ON OFF)
+		-DWITH_GTK_2_X=OFF
+		-DWITH_IPP=$(usex ipp ON OFF)
+		-DWITH_JASPER=$(usex jpeg2k ON OFF)
+		-DWITH_JPEG=$(usex jpeg ON OFF)
+		-DWITH_WEBP=$(usex webp ON OFF)
+		-DWITH_OPENEXR=$(usex openexr ON OFF)
+		-DWITH_OPENGL=$(usex opengl ON OFF)
+		-DWITH_OPENNI=OFF 		# Not packaged
+		-DWITH_OPENNI2=OFF 		# Not packaged
+		-DWITH_PNG=$(usex png ON OFF)
+		-DWITH_PVAPI=OFF		# Not packaged
+		-DWITH_GIGEAPI=OFF
+		# Qt in CMakeList.txt here: See below
+		-DWITH_WIN32UI=OFF		# Windows only
+		-DWITH_QUICKTIME=OFF
+		-DWITH_TBB=$(usex threads ON OFF)
+		-DWITH_OPENMP=$(usex openmp ON OFF)
+		-DWITH_CSTRIPES=OFF
+		-DWITH_PTHREADS_PF=ON
+		-DWITH_TIFF=$(usex tiff ON OFF)
+		-DWITH_UNICAP=OFF		# Not packaged
+		-DWITH_V4L=$(usex v4l ON OFF)
+		-DWITH_LIBV4L=$(usex v4l ON OFF)
+		-DWITH_DSHOW=ON			# direct show supp
+		-DWITH_MSMF=OFF
+		-DWITH_XIMEA=OFF 		# Windows only
+		-DWITH_XINE=$(usex xine ON OFF)
+		-DWITH_CLP=OFF
+		-DWITH_OPENCL=$(usex opencl ON OFF)
+		-DWITH_OPENCL_SVM=OFF
+		-DWITH_OPENCLAMDFFT=$(usex opencl ON OFF)
+		-DWITH_OPENCLAMDBLAS=$(usex opencl ON OFF)
+		-DWITH_DIRECTX=OFF
+		-DWITH_INTELPERC=OFF
+		-DWITH_JAVA=$(usex java ON OFF) # Ant needed, no compile flag
+		-DWITH_IPP_A=OFF
+		-DWITH_MATLAB=ON
+		-DWITH_VA=$(usex vaapi ON OFF)
+		-DWITH_VA_INTEL=$(usex vaapi ON OFF)
+		-DWITH_GDAL=$(usex gdal ON OFF)
+		-DWITH_GPHOTO2=$(usex gphoto2 ON OFF)
+	# ===================================================
+	# OpenCV build components
+	# ===================================================
+		-DBUILD_SHARED_LIBS=ON
+		-DBUILD_ANDROID_EXAMPLES=OFF
+		-DBUILD_DOCS=OFF # Doesn't install anyways.
+		-DBUILD_EXAMPLES=$(usex examples ON OFF)
+		-DBUILD_PERF_TESTS=OFF
+		-DBUILD_TESTS=$(usex testprograms ON OFF)
+	# ===================================================
+	# OpenCV installation options
+	# ===================================================
+		-DINSTALL_C_EXAMPLES=$(usex examples ON OFF)
+		-DINSTALL_TESTS=$(usex testprograms ON OFF)
+	# ===================================================
+	# OpenCV build options
+	# ===================================================
+		-DENABLE_PRECOMPILED_HEADERS=$(usex pch ON OFF)
+		-DHAVE_opencv_java=$(usex java YES NO)
+	)
+
+	if use qt4; then
+		mycmakeargs+=( -DWITH_QT=4 )
+	elif use qt5; then
+		mycmakeargs+=( -DWITH_QT=5 )
+	else
+		mycmakeargs+=( -DWITH_QT=OFF )
+	fi
+
+	if use cuda; then
+		if [[ "$(gcc-version)" > "4.8" ]]; then
+			# bug 577410 
+			# #error -- unsupported GNU version! gcc 4.9 and up are not supported!
+			ewarn "CUDA and >=sys-devel/gcc-4.9 do not play well together. Disabling CUDA support."
+			mycmakeargs+=( -DWITH_CUDA=OFF )
+			mycmakeargs+=( -DWITH_CUBLAS=OFF )
+			mycmakeargs+=( -DWITH_CUFFT=OFF )
+
+		else
+			mycmakeargs+=( -DWITH_CUDA=ON )
+			mycmakeargs+=( -DWITH_CUBLAS=ON )
+			mycmakeargs+=( -DWITH_CUFFT=ON )
+			mycmakeargs+=( -DCUDA_NPP_LIBRARY_ROOT_DIR="/opt/cuda" )
+		fi
+	else
+		mycmakeargs+=( -DWITH_CUDA=OFF )
+		mycmakeargs+=( -DWITH_CUBLAS=OFF )
+		mycmakeargs+=( -DWITH_CUFFT=OFF )
+	fi
+
+	use contrib && mycmakeargs+=( 
+		-DOPENCV_EXTRA_MODULES_PATH="${WORKDIR}/opencv_contrib-${PV}/modules"
+	)
+
+	if use python; then
+		# Set all python variables to load the correct Gentoo paths
+		mycmakeargs+=(
+			-DWITH_PYTHON=ON
+			-DGENTOO_PYTHON_EXECUTABLE=${EPYTHON}
+			-DGENTOO_PYTHON_INCLUDE_PATH="$(python_get_includedir)"
+			-DGENTOO_PYTHON_LIBRARIES="$(python_get_library_path)"
+			-DGENTOO_PYTHON_PACKAGES_PATH="$(python_get_sitedir)"
+			-DGENTOO_PYTHON_MAJOR=${EPYTHON:6:1}
+			-DGENTOO_PYTHON_MINOR=${EPYTHON:8:1}
+			-DGENTOO_PYTHON_DEBUG_LIBRARIES="" # Absolutely no clue what this is
+		)
+		use examples && mycmakeargs+=( -DINSTALL_PYTHON_EXAMPLES=ON )
+	else
+		mycmakeargs+=( -DINSTALL_PYTHON_EXAMPLES=OFF )
+	fi
+
+	# things we want to be hard off or not yet figured out
+	mycmakeargs+=(
+		-DBUILD_PACKAGE=OFF
+		-DENABLE_PROFILING=OFF
+	)
+
+	# things we want to be hard enabled not worth useflag
+	mycmakeargs+=(
+		-DCMAKE_SKIP_RPATH=ON
+		-DOPENCV_DOC_INSTALL_PATH=
+	)
+
+	# workaround for bug 413429
+	tc-export CC CXX
+
+	cmake-utils_src_configure
+}