abslibre/libre/opencv/PKGBUILD

# Maintainer (arch): Antonio Rojas <arojas@archlinux.org>
# Contributor: Ray Rashif <schiv@archlinux.org>
# Contributor: 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>
# Contributor: bill-auger <bill-auger@programmer.net>


# parabola changes and rationale:
# - remove support for non-free/patent-encumbered algorithms and graphics
#   (SIFT and SURF algorithms, "lena" images, CUDA)


pkgbase=opencv
pkgname=(opencv opencv-samples python-opencv opencv-cuda)
pkgname=( ${pkgname[*]/opencv-cuda/} ) # non-free
pkgver=4.7.0
pkgrel=2
_pkgver_i686=4.5.5
_pkgrel_i686=4.0
[[ "${CARCH}" == i686 ]] && eval "pkgver=\$_pkgver_${CARCH}" # our different arches do not
[[ "${CARCH}" == i686 ]] && eval "pkgrel=\$_pkgrel_${CARCH}" # always roll at the same speed
pkgrel+=.parabola1
pkgdesc='Open Source Computer Vision Library'
pkgdesc="${pkgdesc/Open Source/}"
arch=(x86_64)
arch+=(armv7h i686)
license=(BSD3)
url='https://opencv.org/'
depends=(tbb openexr gst-plugins-base libdc1394 cblas lapack libgphoto2 openjpeg2 ffmpeg protobuf)
makedepends=(cmake python-numpy python-setuptools mesa eigen hdf5 lapacke qt5-base vtk glew ant java-environment pugixml openmpi cudnn fmt)
makedepends=( ${makedepends[*]/cudnn/} ) # non-free
makedepends+=( openblas ) # undefined reference to `cblas_{c,d,s,z}gemm'
# makedepends+=( openblas-lapack ) # undefined reference to `cblas_{c,d,s,z}gemm'
optdepends=('opencv-samples: samples'
            'vtk: for the viz module'
            'glew: for the viz module'
            'qt5-base: for the HighGUI module'
            'hdf5: for the HDF5 module'
            'opencl-icd-loader: For coding with OpenCL'
            'java-runtime: Java interface')
source=(https://github.com/opencv/opencv/archive/$pkgver/$pkgname-$pkgver.tar.gz
        https://github.com/opencv/opencv_contrib/archive/$pkgver/opencv_contrib-$pkgver.tar.gz
        vtk9.patch)
mksource=(${source[*]})
source=(https://repo.parabola.nu/other/${pkgname}-libre/${pkgname}-libre-${pkgver}.tar.gz{,.sig})
sha256sums=('8df0079cdbe179748a18d44731af62a245a45ebf5085223dc03133954c662973'
            '42df840cf9055e59d0e22c249cfb19f04743e1bdad113d31b1573d3934d62584'
            'f35a2d4ea0d6212c7798659e59eda2cb0b5bc858360f7ce9c696c77d3029668e')
mksha256sums=(${sha256sums[*]})
sha256sums=('6e4b340fd60328e304065bd57d7cc4c41e954d8d4ef3a18b090ef5e898240512'
            SKIP)
validpgpkeys=('3954A7AB837D0EA9CFA9798925DB7D9B5A8D4B40') # bill-auger


mksource() {
  ## opencv ##

  cd "$srcdir/$pkgname-$pkgver"

  # remove lena.png and lena.jpg images
  rm -v $(find . -iname '*lena*')


  ## opencv_contrib ##

  cd "${srcdir}"/opencv_contrib-${pkgver}

  # remove SIFT and SURF algorithms
  rm -rv modules/xfeatures2d

  # remove CUDA modules
  rm -rv modules/cuda*
}

build() {
  # SSE{2,3} is not available for armv7h or i686 (ARM has 'NEON' instead)
  local per_arch_options=''
  case "$CARCH" in
    armv7h|i686) per_arch_options='-DCPU_BASELINE_DISABLE=SSE,SSE2'                         ;;
    x86_64     ) per_arch_options='-DCPU_BASELINE_DISABLE=SSE3 -DCPU_BASELINE_REQUIRE=SSE2' ;;
  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
  _opts="-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 \
         -DBUILD_PROTOBUF=OFF \
         -DPROTOBUF_UPDATE_FILES=ON \
         -DINSTALL_C_EXAMPLES=ON \
         -DINSTALL_PYTHON_EXAMPLES=ON \
         -DCMAKE_INSTALL_PREFIX=/usr \
         -DCPU_BASELINE_DISABLE=SSE3 \
         -DCPU_BASELINE_REQUIRE=SSE2 \
         -DOPENCV_EXTRA_MODULES_PATH=$srcdir/opencv_contrib-$pkgver/modules \
         -DOPENCV_SKIP_PYTHON_LOADER=ON \
         -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=ON \
         -DOPENCV_JNI_INSTALL_PATH=lib \
         -DOPENCV_GENERATE_SETUPVARS=OFF \
         -DEIGEN_INCLUDE_PATH=/usr/include/eigen3"
  _opts="${_opts/-DCPU_BASELINE_*/} ${per_arch_options}" # per-arch options
  _opts="${_opts/-DOPENCV_ENABLE_NONFREE=ON/-DOPENCV_ENABLE_NONFREE=OFF}" # non-free
  _opts+=" -DCMAKE_EXE_LINKER_FLAGS=-lcblas" # undefined reference to `cblas_sgemm'

  cmake -B build -S $pkgname-$pkgver $_opts
  cmake --build build

  # 'build-cuda' recipe deleted (non-free)
}

package_opencv() {
  DESTDIR="$pkgdir" cmake --install build

  # install license file
  install -Dm644 $pkgbase-$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

  # Split Python bindings
  rm -r "$pkgdir"/usr/lib/python3*
}

package_opencv-samples() {
  pkgdesc+=' (samples)'
  depends=(opencv)
  unset optdepends

  mkdir -p "$pkgdir"/usr/share/opencv4
  mv samples "$pkgdir"/usr/share/opencv4

  # install license file
  install -Dm644 $pkgbase-$pkgver/LICENSE -t "$pkgdir"/usr/share/licenses/$pkgname
}

package_python-opencv() {
  pkgdesc='Python bindings for OpenCV'
  depends=(python-numpy opencv vtk glew qt5-base hdf5 jsoncpp openmpi pugixml fmt)
  unset optdepends

  DESTDIR="$pkgdir" cmake --install build/modules/python3

  # install license file
  install -Dm644 $pkgbase-$pkgver/LICENSE -t "$pkgdir"/usr/share/licenses/$pkgname
}

# package_opencv-cuda() deleted (non-free)