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# $Id: PKGBUILD 253171 2015-12-07 02:57:20Z arojas $
# 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=2.4.12.2
pkgrel=2.parabola1
pkgdesc="Free Computer Vision Library, without nonfree SIFT algorithm and nonfree Milky icons"
arch=('i686' 'x86_64')
license=('BSD')
url="http://opencv.org/"
depends=('intel-tbb' 'openexr' 'xine-lib' 'libdc1394' 'gtkglext')
makedepends=('cmake' 'python2-numpy' 'mesa' 'eigen2')
optdepends=('opencv-samples'
            'eigen2'
            'libcl: For coding with OpenCL'
            'python2-numpy: Python 2.x interface')
mksource=("$pkgbase-$pkgver::https://github.com/Itseez/opencv/archive/$pkgver.zip")
source=("https://repo.parabola.nu/other/${pkgname}-libre/${pkgname}-libre-${pkgver}.zip")
mkmd5sums=('5f7cde7f0bccd90542805ea20687fc8d')
md5sums=('782558e2a82909771662228ff79001e4')

_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')

# 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')

# all x64 CPUs support SSE2 but not SSE3
[[ "$CARCH" = 'x86_64' ]] && _cmakeopts+=('-D ENABLE_SSE3=OFF')

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

 # remove nonfree SIFT algorithm that is patented in some countries and have some other limitations on the use
 rm -rv modules/nonfree/src/sift.cpp

 # remove nonfree Milky icons
 rm -rv modules/highgui/src/files_Qt/Milky
}

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

 # remove useless folder
 rm -rv 3rdparty

 # remove nonfree SIFT references
 rm -rv modules/nonfree
}

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

  cmake ${_cmakeopts[@]} .

  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: