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# Maintainer: drakkan <nicola.murino at gmail dot com>
pkgname=mingw-w64-opencv
pkgver=4.0.1
pkgrel=2
pkgdesc="Open Source Computer Vision Library (mingw-w64)"
arch=('any')
license=('BSD')
url="http://opencv.org/"
options=('!buildflags' 'staticlibs' '!strip')
depends=('mingw-w64-crt' 'mingw-w64-libpng' 'mingw-w64-libjpeg-turbo' 'mingw-w64-libtiff' 'mingw-w64-zlib' 'mingw-w64-libwebp' 'mingw-w64-lapack' 'mingw-w64-cblas')
makedepends=('mingw-w64-cmake' 'mingw-w64-eigen' 'mingw-w64-lapacke')
source=("opencv-$pkgver.zip::https://github.com/opencv/opencv/archive/$pkgver.zip"
"opencv_contrib-$pkgver.tar.gz::https://github.com/opencv/opencv_contrib/archive/$pkgver.tar.gz")
sha256sums=('b79ccdc4797a959c5ab17249a8a302c066248ae070e4d7010e2d77a625fdb30a'
'0d8acbad4b7074cfaafd906a7419c23629179d5e98894714402090b192ef8237')
_architectures="i686-w64-mingw32 x86_64-w64-mingw32"
_cmakeopts=('-DCMAKE_SKIP_RPATH=ON'
'-DBUILD_TESTS=OFF'
'-DBUILD_PERF_TESTS=OFF'
'-DBUILD_DOCS=OFF'
'-DBUILD_opencv_apps=OFF'
'-DWITH_FFMPEG=OFF'
'-DWITH_GSTREAMER=OFF'
'-DWITH_OPENCL=OFF'
'-DWITH_QT=OFF'
'-DINSTALL_C_EXAMPLES=OFF'
'-DINSTALL_PYTHON_EXAMPLES=OFF'
'-DBUILD_ZLIB=OFF'
'-DBUILD_TIFF=OFF'
'-DBUILD_JASPER=OFF'
'-DBUILD_JPEG=OFF'
'-DBUILD_PNG=OFF'
'-DBUILD_WEBP=OFF'
'-DBUILD_OPENEXR=OFF'
'-DWITH_VTK=OFF'
'-DWITH_IPP=OFF'
'-DWITH_OPENEXR=OFF'
'-DWITH_JASPER=OFF'
'-DWITH_DSHOW=OFF')
build() {
cd "$srcdir/opencv-$pkgver"
for _arch in ${_architectures}; do
mkdir -p build-${_arch}-static && pushd build-${_arch}-static
# cmake's FindLAPACK doesn't add cblas to LAPACK_LIBRARIES, so we need to specify them manually
${_arch}-cmake ${_cmakeopts[@]} \
-DBUILD_SHARED_LIBS=OFF \
-DOPENCV_EXTRA_MODULES_PATH="$srcdir/opencv_contrib-$pkgver/modules" \
-DLAPACK_LIBRARIES="/usr/${_arch}/bin/liblapack.dll;/usr/${_arch}/bin/libblas.dll;/usr/${_arch}/bin/libcblas.dll" \
-DLAPACK_CBLAS_H="/usr/${_arch}/include/cblas.h" \
-DLAPACK_LAPACKE_H="/usr/${_arch}/include/lapacke.h" \
..
make
popd
mkdir -p build-${_arch}-shared && pushd build-${_arch}-shared
${_arch}-cmake ${_cmakeopts[@]} \
-DOPENCV_EXTRA_MODULES_PATH="$srcdir/opencv_contrib-$pkgver/modules" \
-DLAPACK_LIBRARIES="/usr/${_arch}/bin/liblapack.dll;/usr/${_arch}/bin/libblas.dll;/usr/${_arch}/bin/libcblas.dll" \
-DLAPACK_CBLAS_H="/usr/${_arch}/include/cblas.h" \
-DLAPACK_LAPACKE_H="/usr/${_arch}/include/lapacke.h" \
-DOPENCV_GENERATE_PKGCONFIG=ON \
..
make
popd
done
}
package() {
for _arch in ${_architectures}; do
cd "$srcdir/opencv-$pkgver/build-${_arch}-shared"
make DESTDIR="$pkgdir" install
make -C "$srcdir/opencv-$pkgver/build-${_arch}-static" DESTDIR="$pkgdir/static" install
mv "$pkgdir/static/usr/${_arch}/lib/"*.a "$pkgdir/usr/${_arch}/lib/"
install -d "$pkgdir"/usr/${_arch}/lib/pkgconfig
install -d "$pkgdir"/usr/${_arch}/lib/cmake/opencv4
# fix paths
sed -i "s/\/\/usr\/${_arch}\/lib/\/lib/g" ./unix-install/opencv4.pc
# fix static builds. To be able to static build lapack.pc should be fixed too
# adding Libs.private: -lgfortran -lquadmath
sed -i "s/^Libs.private.*/& -lgdi32 -lcomdlg32/" ./unix-install/opencv4.pc
echo "Requires.private: libjpeg libtiff-4 libpng libwebp lapack cblas" >> ./unix-install/opencv4.pc
# remove nonexistent include dir
sed -i "/^Cflags.*/ s/-I\${includedir_old}//g" ./unix-install/opencv4.pc
install -m644 ./unix-install/opencv4.pc "$pkgdir"/usr/${_arch}/lib/pkgconfig/
rm "$pkgdir"/usr/${_arch}/LICENSE
# fix cmake INSTALL_PATH
sed -i "s/^get_filename_component(OpenCV_INSTALL_PATH.*/get_filename_component(OpenCV_INSTALL_PATH \"\$\{OpenCV_CONFIG_PATH\}\/..\/..\/..\/\" REALPATH)/g" ./unix-install/OpenCVConfig.cmake
install -m644 ./unix-install/OpenCVConfig.cmake "$pkgdir"/usr/${_arch}/lib/cmake/opencv4
${_arch}-strip --strip-unneeded "$pkgdir"/usr/${_arch}/bin/*.dll
${_arch}-strip -g "$pkgdir"/usr/${_arch}/lib/*.a
rm -r "$pkgdir/static"
done
}
# vim: ts=2 sw=2 et:
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