# $Id$
# Maintainer: Ray Rashif <schiv@archlinux.org>
# Contributor: Tobias Powalowski <tpowa@archlinux.org>

# ALARM: Kevin Mihelich <kevin@archlinuxarm.org>
#  - remove intel-tbb depend for v5 and v6
#  - depend on protobuf to skip building old, broken, bundled version

pkgbase=opencv
pkgname=('opencv' 'opencv-samples')
pkgver=3.3.0
pkgrel=2.1
pkgdesc="Open Source Computer Vision Library"
arch=('i686' 'x86_64')
license=('BSD')
url="http://opencv.org/"
depends=('openexr' 'xine-lib' 'libdc1394' 'gtkglext' 'protobuf')
depends_armv7h=('intel-tbb')
depends_aarch64=('intel-tbb')
makedepends=('cmake' 'python-numpy' 'python2-numpy' 'mesa' 'eigen' 'hdf5')
optdepends=('opencv-samples'
            'hdf5: support for HDF5 format'
            'opencl-icd-loader: For coding with OpenCL'
            'python-numpy: Python 3 interface'
            'python2-numpy: Python 2 interface')
source=("$pkgbase-$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")
sha256sums=('3546c3837f88177c898e4172942da7a3ca6c4e8e98a33d0cbccb2b499167c5ba'
            'e94acf39cd4854c3ef905e06516e5f74f26dddfa6477af89558fb40a57aeb444')

_cmakeopts=('-D WITH_OPENCL=ON'
            '-D WITH_OPENGL=ON'
            '-D WITH_TBB=ON'
            '-D WITH_XINE=ON'
            '-D WITH_GSTREAMER=OFF'
            '-D BUILD_WITH_DEBUG_INFO=OFF'
            '-D BUILD_TESTS=OFF'
            '-D BUILD_PERF_TESTS=OFF'
            '-D BUILD_EXAMPLES=ON'
            '-D INSTALL_C_EXAMPLES=ON'
            '-D INSTALL_PYTHON_EXAMPLES=ON'
            '-D CMAKE_BUILD_TYPE=Release'
            '-D CMAKE_INSTALL_PREFIX=/usr'
            '-D CMAKE_SKIP_RPATH=ON'
            #'-D WITH_IPP=ON'
            #'-D INSTALL_CREATE_DISTRIB=ON'
            )

# SSE only available from Pentium 3 onwards (i686 is way older)
[[ "$CARCH" = 'i686' ]] && \
  _cmakeopts+=('-D ENABLE_SSE=OFF'
               '-D ENABLE_SSE2=OFF'
               '-D ENABLE_SSE3=OFF')

build() {
  mkdir -p build

  cd build
  cmake ${_cmakeopts[@]} \
    -DOPENCV_EXTRA_MODULES_PATH="$srcdir/opencv_contrib-$pkgver/modules" \
    ../$pkgname-$pkgver

  make
}

package_opencv() {
  options=('staticlibs')

  cd build

  make DESTDIR="$pkgdir" install

  # install license file
  install -Dm644 "$srcdir/$pkgname-$pkgver/LICENSE" \
    "$pkgdir/usr/share/licenses/$pkgname/LICENSE"

  cd "$pkgdir/usr/share"

  # separate samples package; also be -R friendly
  if [[ -d OpenCV/samples ]]; then
    mv OpenCV/samples "$srcdir/$pkgname-samples"
    mv OpenCV $pkgname # otherwise folder naming is inconsistent
  elif [[ ! -d OpenCV ]]; then
    warning "Directory naming issue; samples package may not be built!"
  fi
}

package_opencv-samples() {
  pkgdesc+=" (samples)"
  depends=("opencv=$pkgver") # sample codes change with lib/API
  unset optdepends

  mkdir -p "$pkgdir/usr/share/opencv"
  cp -r "$srcdir/opencv-samples" "$pkgdir/usr/share/opencv/samples"
  # fix permissions
  chmod 755 "$pkgdir"/usr/share/opencv/samples/*

  # install license file
  install -Dm644 "$srcdir/opencv-$pkgver/LICENSE" \
    "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
}

# vim:set ts=2 sw=2 et: