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# Maintainer: Ashok Arora <ashok.maillist@gmail.com>
# Contributor: Johannes Janosovits <johannes@walnutempire.de>
# Contributor: Joshua Schüler <joshua.schueler at gmail dotcom>
# Contributor: Ray Rashif <schiv@archlinux.org>
# Contributor: Tobias Powalowski <tpowa@archlinux.org>
############################################
# Here you have the option to use some CPU
# extensions to speed up opencv
# Only change this if you know what you
# are doing!
############################################
# Use `cat /proc/cpuinfo` to see the extensions your CPU supports
_FORCE_SSE=OFF # always ON on x64
_FORCE_SSE2=OFF # always ON on x64
# Set to ON on CPUs newer than approx. 2005
_FORCE_SSE3=OFF
# Set to ON on CPUs since Intel Core 2 or newer/AMD Bulldozer/AMD Fusion
_FORCE_SSSE3=OFF # also known as SSE4
# Set to ON on CPUs since Intel Core 2 Penryn (older than Nehalem or Sandybridge)
# or on AMDs since K10 (approx. 2009)
_FORCE_SSE41=OFF
# Set to ON on nearly all Intel Core i or AMD since Bulldozer
_FORCE_SSE42=OFF
# Set to ON on Sandybridge or newer/Bulldozer or newer
_FORCE_AVX=OFF
# Set to ON on Haswell or newer
_FORCE_AVX2=OFF
############################################
_pkgbase=opencv
pkgbase=opencv2
pkgname=('opencv2' 'opencv2-samples')
pkgver=2.4.13.6
pkgrel=3
pkgdesc="Open Source Computer Vision Library (Legacy Version)"
arch=('i686' 'x86_64')
license=('BSD')
url="http://opencv.org/"
depends=('intel-tbb' 'openexr' 'xine-lib' 'libdc1394' 'gtkglext')
makedepends=('cmake' 'python2-numpy' 'mesa')
optdepends=('opencv-samples'
'eigen2'
'libcl: For coding with OpenCL'
'python2-numpy: Python 2.x interface')
options=('staticlibs')
source=("$pkgver.zip::https://codeload.github.com/opencv/opencv/zip/$pkgver")
sha256sums=('8fbe6005d2266e4a725a5ef7a27365d763ce4ad5a7f38045288a3cad8a18d759')
_cmakeopts=('-DWITH_CUDA=OFF' # Disable CUDA for now because GCC 6.1.1 and nvcc don't play along yet
'-DWITH_OPENCL=ON'
'-DWITH_OPENGL=ON'
'-DWITH_TBB=ON'
'-DWITH_XINE=ON'
'-DWITH_GSTREAMER=OFF'
'-DBUILD_WITH_DEBUG_INFO=OFF'
'-DUILD_TESTS=OFF'
'-DBUILD_PERF_TESTS=OFF'
'-DBUILD_EXAMPLES=ON'
'-DINSTALL_C_EXAMPLES=ON'
'-DINSTALL_PYTHON_EXAMPLES=ON'
'-DCMAKE_BUILD_TYPE=Release'
'-DCMAKE_INSTALL_PREFIX=/usr'
'-DCMAKE_SKIP_RPATH=ON'
'-DBUILD_JASPER=ON')
# SSE only available from Pentium 3 onwards (i686 is way older)
[[ "$CARCH" = 'i686' ]] && \
_cmakeopts+=("-DENABLE_SSE=$_FORCE_SSE"
"-DENABLE_SSE2=$_FORCE_SSE2"
"-DENABLE_SSE3=$_FORCE_SSE3")
# all x64 CPUs support SSE2 but not SSE3
[[ "$CARCH" = 'x86_64' ]] && \
_cmakeopts+=("-DENABLE_SSE3=$_FORCE_SSE3"
"-DENABLE_SSSE4=$_FORCE_SSSE3" #(sic!)
"-DENABLE_SSE41=$_FORCE_SSE41"
"-DENABLE_SSE42=$_FORCE_SSE42"
"-DENABLE_AVX=$_FORCE_AVX"
"-DENABLE_AVX2=$_FORCE_AVX2")
prepare() {
cd "$_pkgbase-$pkgver/"
# https://stackoverflow.com/questions/46884682/error-in-building-opencv-with-ffmpeg
sed "1i\#define AVFMT_RAWPICTURE 0x0020" -i modules/highgui/src/cap_ffmpeg_impl.hpp
sed "1i\#define CODEC_FLAG_GLOBAL_HEADER AV_CODEC_FLAG_GLOBAL_HEADER" -i modules/highgui/src/cap_ffmpeg_impl.hpp
sed "1i\#define AV_CODEC_FLAG_GLOBAL_HEADER (1 << 22)" -i modules/highgui/src/cap_ffmpeg_impl.hpp
}
build() {
export CXXFLAGS+=" -std=c++14"
cmake -S "$srcdir/$_pkgbase-$pkgver" -B build "${_cmakeopts[@]}"
make -C build
}
package_opencv2() {
provides=("opencv=$pkgver")
conflicts=('opencv')
make -C build DESTDIR="$pkgdir" install
# install license file
install -Dm644 "$srcdir/$_pkgbase-$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/$_pkgbase-samples"
mv OpenCV $_pkgbase # otherwise folder naming is inconsistent
elif [[ ! -d OpenCV ]]; then
warning "Directory naming issue; samples package may not be built!"
fi
}
package_opencv2-samples() {
pkgdesc+=" (samples)"
depends=("opencv2=$pkgver") # sample codes change with lib/API
unset optdepends
conflicts=('opencv-samples')
install -dm755 "$pkgdir/usr/share/$_pkgbase"
cp -r "$srcdir/opencv-samples" "$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:
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