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# Maintainer (Arch): Ray Rashif <schiv@archlinux.org>
# Contributor (Arch): Tobias Powalowski <tpowa@archlinux.org>
# Contributor (Hyperbola): André Silva <emulatorman@hyperbola.info>
# Contributor (Hyperbola): Márcio Silva <coadde@hyperbola.info>
# Maintainer: Omar Vega Ramos <ovruni@gnu.org.pe>
pkgbase=opencv
pkgname=opencv
pkgver=4.0.0
pkgrel=4
pkgrel+=.par1
pkgdesc="Free Computer Vision Library, without nonfree SIFT and SURF algorithms, nonfree Milky icons and lena images"
arch=(x86_64)
arch+=(i686 armv7h)
license=(BSD)
url="http://opencv.org/"
depends=(intel-tbb openexr gst-plugins-base libdc1394 cblas lapack libgphoto2 jasper ffmpeg)
makedepends=(cmake python-numpy python-setuptools mesa eigen hdf5 lapacke gtk3 vtk glew)
optdepends=('opencv-samples: samples'
'gtk3: for the HighGUI module'
'vtk: for the viz module'
'hdf5: support for HDF5 format'
'opencl-icd-loader: For coding with OpenCL'
'python-numpy: Python 3 interface')
mksource=("$pkgbase-$pkgver.zip::https://github.com/opencv/opencv/archive/$pkgver.zip"
"opencv_contrib-$pkgver.tar.gz::https://github.com/opencv/opencv_contrib/archive/$pkgver.tar.gz")
source=("https://repo.parabola.nu/other/$pkgname-libre/$pkgname-libre-$pkgver.zip")
mksha256sums=('86fd08fc02893e05e2944fa7b0daa7d02643232450f020b475e1b2f24587b99a'
'4fb0681414df4baedce6e3f4a01318d6f4fcde6ee14854d761fd4e397a397763')
sha256sums=('71fd849ccbf648876bb8288f05591a5314082761a4028a4953b4cccc81f325e3')
mksource() {
cd "$srcdir/opencv_contrib-$pkgver"
# remove nonfree SIFT and SURF algorithms that are patented in some countries and have some other limitations on the use
rm -v modules/xfeatures2d/src/{sift,surf}.cpp
cd "$srcdir/$pkgname-$pkgver"
# remove nonfree Milky icons
rm -rv modules/highgui/src/files_Qt/Milky
# remove nonfree lena.png and lena.jpg images
rm -v $(find . -iname '*lena*')
}
prepare() {
cd "$srcdir/opencv_contrib-$pkgver"
# remove nonfree SIFT and SURF references
rm -rv modules/xfeatures2d
mkdir -p ../build
}
build() {
cd build
# SSE only available from Pentium 3 onwards (i686 is way older)
# SSE only available x86 hardware and ARM uses NEON
case "$CARCH" in
i686) extra='-DCPU_BASELINE_DISABLE=SSE,SSE2' ;;
x86_64) extra='-DCPU_BASELINE_DISABLE=SSE3 -DCPU_BASELINE_REQUIRE=SSE2' ;;
*) extra='' ;;
esac
# cmake's FindLAPACK doesn't add cblas to LAPACK_LIBRARIES, so we need to specify them manually
_pythonpath=`python -c "from sysconfig import get_path; print(get_path('platlib'))"`
cmake ../$pkgname-$pkgver \
-DWITH_OPENCL=ON \
-DWITH_OPENGL=ON \
-DWITH_TBB=ON \
-DOpenGL_GL_PREFERENCE=GLVND \
-DBUILD_WITH_DEBUG_INFO=OFF \
-DBUILD_TESTS=OFF \
-DBUILD_PERF_TESTS=OFF \
-DBUILD_EXAMPLES=ON \
-DINSTALL_C_EXAMPLES=ON \
-DINSTALL_PYTHON_EXAMPLES=ON \
-DCMAKE_INSTALL_PREFIX=/usr \
-DCMAKE_INSTALL_LIBDIR=lib \
$extra \
-DOPENCV_EXTRA_MODULES_PATH="$srcdir/opencv_contrib-$pkgver/modules" \
-DOPENCV_SKIP_PYTHON_LOADER=ON \
-DOPENCV_PYTHON3_INSTALL_PATH=$_pythonpath \
-DLAPACK_LIBRARIES="/usr/lib/liblapack.so;/usr/lib/libblas.so;/usr/lib/libcblas.so" \
-DLAPACK_CBLAS_H="/usr/include/cblas.h" \
-DLAPACK_LAPACKE_H="/usr/include/lapacke.h" \
-DOPENCV_GENERATE_PKGCONFIG=ON
# -DWITH_IPP=OFF
make
}
package_opencv() {
cd build
make DESTDIR="$pkgdir" install
# install license file
install -Dm644 "$srcdir"/$pkgname-$pkgver/LICENSE -t "$pkgdir"/usr/share/licenses/$pkgname
# separate samples package
cd "$pkgdir"/usr/share
rm -r opencv4/samples
# install missing headers https://github.com/opencv/opencv/issues/13201
for _module in imgcodecs videoio photo; do
cp -r "$srcdir"/$pkgname-$pkgver/modules/$_module/include/opencv2/$_module/legacy \
"$pkgdir"/usr/include/opencv4/opencv2/$_module
done
}
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