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# Maintainer (arch): Ray Rashif <schiv@archlinux.org>
# Contributor (arch): Tobias Powalowski <tpowa@archlinux.org>
# Contributor: André Silva <emulatorman@hyperbola.info>
# Contributor: Márcio Silva <coadde@hyperbola.info>
# Maintainer: Omar Vega Ramos <ovruni@gnu.org.pe>
# Contributor: grizzlyuser <grizzlyuser@protonmail.com>
# parabola changes and rationale:
# - remove non-free/patent-encumbered algorithms and graphics
pkgbase=opencv
pkgname=(opencv opencv-samples)
pkgver=4.5.1
pkgrel=1
pkgrel+=.parabola1
pkgdesc="Free Computer Vision Library, without non-free SIFT and SURF algorithms, Milky icons, and lena images"
arch=(x86_64)
arch+=(armv7h i686)
license=(BSD3)
url="https://opencv.org/"
depends=(tbb openexr gst-plugins-base libdc1394 cblas lapack libgphoto2 openjpeg2 ffmpeg)
depends+=(hicolor-icon-theme)
makedepends=(cmake python-numpy python-setuptools mesa eigen hdf5 lapacke qt5-base vtk glew ant java-environment)
optdepends=('opencv-samples: samples'
'vtk: for the viz module'
'qt5-base: for the HighGUI module and the Python bindings'
'hdf5: for the HDF5 module and the Python bindings'
'opencl-icd-loader: For coding with OpenCL'
'python-numpy: Python bindings'
'java-runtime: Java interface')
mksource=("$pkgbase-$pkgver.tar.gz::https://github.com/opencv/opencv/archive/$pkgver.zip"
"opencv_contrib-$pkgver.tar.gz::https://github.com/opencv/opencv_contrib/archive/$pkgver.tar.gz"
libre.patch)
source=("https://repo.parabola.nu/other/$pkgname-libre/$pkgname-libre-$pkgver.tar.gz")
mksha256sums=('5fbc26ee09e148a4d494b225d04217f7c913ca1a4d46115b70cca3565d7bbe05'
'12c3b1ddd0b8c1a7da5b743590a288df0934e5cef243e036ca290c2e45e425f5'
'15139ab05b9713be6a7ee35b610f42668ea331a67c914b84a5696abd50076c54')
sha256sums=('ceaf168d694e8044e2c705c47537410d8c9871b5665edd82d9792b1233e575a1')
mksource() {
cd "$srcdir/opencv_contrib-$pkgver"
# remove SIFT and SURF algorithms
rm -rv modules/xfeatures2d
cd "$srcdir/$pkgname-$pkgver"
# remove nonfree Milky icons
rm -rv modules/highgui/src/files_Qt/Milky
patch -p1 -i ../libre.patch
# remove nonfree lena.png and lena.jpg images
rm -v $(find . -iname '*lena*')
}
build() {
# SSE only available from Pentium 3 onwards (i686 is way older)
# SSE only available x86 hardware and ARM uses NEON
local _per_arch_options
case "$CARCH" in
i686) _per_arch_options='-DCPU_BASELINE_DISABLE=SSE,SSE2' ;;
x86_64) _per_arch_options='-DCPU_BASELINE_DISABLE=SSE3 -DCPU_BASELINE_REQUIRE=SSE2' ;;
*) _per_arch_options='' ;;
esac
export JAVA_HOME="/usr/lib/jvm/default"
# 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 -B build -S $pkgname-$pkgver \
-DWITH_OPENCL=ON \
-DWITH_OPENGL=ON \
-DWITH_TBB=ON \
-DWITH_VULKAN=ON \
-DWITH_QT=ON \
-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 \
${_per_arch_options} \
-DOPENCV_EXTRA_MODULES_PATH="$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 \
-DOPENCV_ENABLE_NONFREE=OFF \
-DOPENCV_JNI_INSTALL_PATH=lib \
-DOPENCV_GENERATE_SETUPVARS=OFF \
-DEIGEN_INCLUDE_PATH=/usr/include/eigen3
cmake --build build
}
package_opencv() {
DESTDIR="$pkgdir" cmake --install build
# install license file
install -Dm644 $pkgname-$pkgver/LICENSE -t "$pkgdir"/usr/share/licenses/$pkgname
# separate samples package
mv "$pkgdir"/usr/share/opencv4/samples "$srcdir"
# Add java symlinks expected by some binary blobs
ln -sr "$pkgdir"/usr/share/java/{opencv4/opencv-${pkgver//./},opencv}.jar
ln -sr "$pkgdir"/usr/lib/{libopencv_java${pkgver//./},libopencv_java}.so
}
package_opencv-samples() {
pkgdesc+=" (samples)"
depends=("opencv=$pkgver")
unset optdepends
mkdir -p "$pkgdir"/usr/share/opencv4
mv samples "$pkgdir"/usr/share/opencv4
# install license file
install -Dm644 opencv-$pkgver/LICENSE -t "$pkgdir"/usr/share/licenses/$pkgname
}
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