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# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
EAPI=6
PYTHON_COMPAT=( python2_7 )
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="https://opencv.org"
SRC_URI="https://github.com/Itseez/opencv/archive/${PV}.tar.gz -> ${P}.tar.gz"
LICENSE="BSD"
SLOT="0/2.4"
KEYWORDS="amd64 ~arm ~ppc ~ppc64 x86 ~amd64-linux"
IUSE="cuda +eigen examples ffmpeg gstreamer gtk ieee1394 jpeg jpeg2k libav opencl openexr opengl openmp pch png +python qt5 testprograms threads tiff v4l vtk xine"
REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
# 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= )
)
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
)
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}] )
qt5? (
dev-qt/qtconcurrent:5
dev-qt/qtcore:5
dev-qt/qtgui:5
dev-qt/qttest: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] )
xine? ( media-libs/xine-lib )
"
DEPEND="${RDEPEND}
virtual/pkgconfig
eigen? ( dev-cpp/eigen:3 )
java? ( >=virtual/jdk-1.6 )
"
PATCHES=(
"${FILESDIR}/${PN}-2.3.1a-libav-0.7.patch"
"${FILESDIR}/${PN}-2.4.3-gcc47.patch"
"${FILESDIR}/${PN}-2.4.2-cflags.patch"
"${FILESDIR}/${PN}-2.4.8-javamagic.patch"
"${FILESDIR}/${PN}-2.4.9-cuda-pkg-config.patch"
"${FILESDIR}/${PN}-3.0.0-gles.patch"
"${FILESDIR}/${P}-gcc-6.0.patch"
"${FILESDIR}/${P}-imgcodecs-refactoring.patch" #bug 627958
)
pkg_setup() {
[[ ${MERGE_TYPE} != binary ]] && use openmp && tc-check-openmp
use python && python-single-r1_pkg_setup
java-pkg-opt-2_pkg_setup
}
src_prepare() {
cmake-utils_src_prepare
# remove bundled stuff
rm -rf 3rdparty || die "Removing 3rd party components failed"
sed -i \
-e '/add_subdirectory(3rdparty)/ d' \
CMakeLists.txt || die
java-pkg-opt-2_src_prepare
}
src_configure() {
JAVA_ANT_ENCODING="iso-8859-1"
# set encoding so even this cmake build will pick it up.
export ANT_OPTS+=" -Dfile.encoding=iso-8859-1"
java-ant-2_src_configure
# please dont sort here, order is the same as in CMakeLists.txt
local mycmakeargs=(
# the optinal dependency libraries
-DWITH_1394=$(usex ieee1394)
-DWITH_AVFOUNDATION=OFF
-DWITH_VTK=$(usex vtk)
-DWITH_EIGEN=$(usex eigen)
-DWITH_VFW=OFF
-DWITH_FFMPEG=$(usex ffmpeg)
-DWITH_GSTREAMER=$(usex gstreamer)
-DWITH_GSTREAMER_0_10=OFF
-DWITH_GTK=$(usex gtk)
-DWITH_IMAGEIO=OFF
-DWITH_IPP=OFF
-DWITH_JASPER=$(usex jpeg2k)
-DWITH_JPEG=$(usex jpeg)
-DWITH_OPENEXR=$(usex openexr)
-DWITH_OPENGL=$(usex opengl)
-DWITH_OPENCL=$(usex opencl)
-DWITH_OPENNI=OFF
-DWITH_PNG=$(usex png)
-DWITH_PVAPI=OFF
-DWITH_QT=$(usex qt5 5 OFF)
-DWITH_GIGEAPI=OFF
-DWITH_WIN32UI=OFF
-DWITH_QUICKTIME=OFF
-DWITH_TBB=$(usex threads)
-DWITH_OPENMP=$(usex openmp)
-DWITH_CSTRIPES=OFF
-DWITH_TIFF=$(usex tiff)
-DWITH_UNICAP=OFF
-DWITH_V4L=$(usex v4l)
-DWITH_LIBV4L=$(usex v4l)
-DWITH_DSHOW=ON
-DWITH_MSMF=OFF
-DWITH_XIMEA=OFF
-DWITH_XINE=$(usex xine)
-DWITH_OPENCL=$(usex opencl)
-DWITH_OPENCLAMDFFT=$(usex opencl)
-DWITH_OPENCLAMDBLAS=$(usex opencl)
-DWITH_INTELPERC=OFF
-DWITH_JAVA=$(usex java)
# the build components
-DBUILD_SHARED_LIBS=ON
-DBUILD_ANDROID_EXAMPLES=OFF
-DBUILD_DOCS=OFF #too much dark magic in cmakelists
-DBUILD_EXAMPLES=$(usex examples)
-DBUILD_PERF_TESTS=OFF
-DBUILD_TESTS=$(usex testprograms)
# install examples
-DINSTALL_C_EXAMPLES=$(usex examples)
-DINSTALL_TESTS=$(usex testprograms)
# build options
-DENABLE_PRECOMPILED_HEADERS=$(usex pch)
-DENABLE_SOLUTION_FOLDERS=OFF
-DENABLE_PROFILING=OFF
-DENABLE_COVERAGE=OFF
-DENABLE_OMIT_FRAME_POINTER=OFF
-DENABLE_FAST_MATH=OFF #
-DENABLE_SSE=OFF # these options do nothing but
-DENABLE_SSE2=OFF # add params to CFLAGS
-DENABLE_SSE3=OFF
-DENABLE_SSSE3=OFF
-DENABLE_SSE41=OFF
-DENABLE_SSE42=OFF
-DOPENCV_EXTRA_FLAGS_RELEASE="" # black magic
)
if use cuda; then
if [[ "$(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
if use examples && use python; then
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+=(
-DOPENCV_BUILD_3RDPARTY_LIBS=OFF
-DBUILD_PACKAGE=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
}
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