# $Id: PKGBUILD 261317 2016-03-11 06:55:20Z bpiotrowski $
# Maintainer (Arch): Ray Rashif <schiv@archlinux.org>
# Contributor (Arch): Tobias Powalowski <tpowa@archlinux.org>
# Maintainer: Omar Vega Ramos <ovruni@gnu.org.pe>
# Contributor: André Silva <emulatorman@parabola.nu>
# Contributor: Márcio Silva <coadde@parabola.nu>

pkgbase=opencv
pkgname=opencv
pkgver=3.1.0
pkgrel=3.parabola1
pkgdesc="Free Computer Vision Library, without nonfree SIFT and SURF algorithms, nonfree Milky icons and lena images"
arch=('i686' 'x86_64' 'armv7h')
license=('BSD')
url="http://opencv.org/"
depends=('intel-tbb' 'openexr' 'xine-lib' 'libdc1394' 'gtkglext')
makedepends=('cmake' 'python-numpy' 'python2-numpy' 'mesa' 'eigen')
optdepends=('opencv-samples'
            'eigen'
            'libcl: For coding with OpenCL'
            'python-numpy: Python 3 interface'
            'python2-numpy: Python 2 interface')
mksource=("$pkgbase-$pkgver.zip::https://github.com/Itseez/opencv/archive/$pkgver.zip"
          "opencv_contrib-$pkgver.tar.gz::https://github.com/Itseez/opencv_contrib/archive/$pkgver.tar.gz")
source=("https://repo.parabola.nu/other/${pkgname}-libre/${pkgname}-libre-${pkgver}.zip"
        '5852.patch')
mkmd5sums=('6082ee2124d4066581a7386972bfd52a'
           'a822839ad3ab79ff837c16785ea9dd10')
md5sums=('5e3c409fa9f1beeda5ba5edfcf02a921'
         '5bd9cd736b171c15cedee3a32a0c47ff')

_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)
# SSE only available x86 hardware and ARM uses NEON
[[ "$CARCH" = 'i686' || "$CARCH" = 'armv7h' ]] && \
  _cmakeopts+=('-D ENABLE_SSE=OFF'
               '-D ENABLE_SSE2=OFF'
               '-D ENABLE_SSE3=OFF')

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

  cd "$srcdir/$pkgname-$pkgver"

  patch -p1 -i "$srcdir/5852.patch"
}

build() {
  cd "$srcdir/$pkgname-$pkgver"

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

  make
}

package_opencv() {
  options=('staticlibs')

  cd "$srcdir/$pkgname-$pkgver"

  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
    rm -r OpenCV/samples
    mv OpenCV $pkgname # otherwise folder naming is inconsistent
  elif [[ ! -d OpenCV ]]; then
    warning "Directory naming issue; samples package may not be built!"
  fi
}

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