# Description: Open Source Computer Vision Library
# URL: https://opencv.org
# Maintainer: CRUX KDE Ports, kde-ports at crux dot nu
# Depends on: eigen ffmpeg flatbuffers jasper libgphoto2 libva libwebp mathjax openexr openjpeg2 protobuf python3-numpy
# Optional: cuda gphoto2 gst-plugins-bad gtk3 onetbb qt6-5compat v4l-utils wayland

name=opencv
version=4.10.0
release=1
source=(https://github.com/$name/$name/archive/$version/$name-$version.tar.gz
	https://github.com/opencv/opencv_contrib/archive/$version/opencv_contrib-$version.tar.gz
	opencv-4.8.1-use-system-flatbuffers.patch)

build() {
	prt-get isinst gphoto2 && PKGMK_OPENCV+=' -D WITH_GPHOTO2=ON'
	prt-get isinst gst-plugins-bad && PKGMK_OPENCV+=' -D WITH_GSTREAMER=ON'
	prt-get isinst gtk3 && PKGMK_OPENCV+=' -D WITH_GTK=ON'
	prt-get isinst openmp && PKGMK_OPENCV+=' -D WITH_OPENMP=ON'
	prt-get isinst qt6-5compat && PKGMK_OPENCV+=' -D WITH_QT=ON'
	#prt-get isinst onetbb && PKGMK_OPENCV+=' -D WITH_TBB=ON'
	prt-get isinst v4l-utils && PKGMK_OPENCV+=' -D WITH_V4L=ON'
	prt-get isinst wayland && PKGMK_OPENCV+=' -D WITH_WAYLAND=ON'

	rm -r $name-$version/3rdparty
	sed -e '/add_subdirectory(.*3rdparty.*)/ d' \
		-i $name-$version/CMakeLists.txt $name-$version/cmake/*cmake
	sed -e '/LICENSE.txt/ d' \
		-i $name-$version/cmake/OpenCVDetectOpenCL.cmake

	patch -Np1 -d $name-$version -i $SRC/opencv-4.8.1-use-system-flatbuffers.patch

	cmake -S $name-$version -B build -G Ninja $PKGMK_OPENCV \
		-D CMAKE_INSTALL_PREFIX=/usr \
		-D CMAKE_INSTALL_LIBDIR=lib \
		-D CMAKE_BUILD_TYPE=Release \
		-D CMAKE_CXX_FLAGS_RELEASE="$CXXFLAGS" \
		-D CMAKE_C_FLAGS_RELEASE="$CFLAGS" \
		-D CMAKE_POLICY_DEFAULT_CMP0148="OLD" \
		-D CMAKE_CXX_STANDARD=17 \
		-D CMAKE_FIND_PACKAGE_PREFER_CONFIG=ON \
		-D ENABLE_LTO=OFF \
		-D OPENCV_EXTRA_MODULES_PATH=$SRC/${name}_contrib-$version/modules \
		-D WITH_OPENGL=ON \
		-D OpenGL_GL_PREFERENCE=GLVND \
		-D OPENCV_GENERATE_PKGCONFIG=ON \
		-D PROTOBUF_UPDATE_FILES=ON \
		-D protobuf_MODULE_COMPATIBLE=ON \
		-D OPENCV_MATHJAX_RELPATH=/usr/share/mathjax \
		-D OPENCV_SKIP_PYTHON_LOADER=OFF \
		-D BUILD_TESTS=OFF \
		-D BUILD_TESTING=OFF \
		-D BUILD_PERF_TESTS=OFF \
		-D BUILD_WITH_DEBUG_INFO=OFF \
		-D BUILD_EXAMPLES=OFF \
		-D INSTALL_C_EXAMPLES=OFF \
		-D INSTALL_PYTHON_EXAMPLES=OFF \
		-D PYTHON3_EXECUTABLE=/usr/bin/python3 \
		-D BUILD_PROTOBUF=OFF \
		-D WITH_IPP=OFF \
		-D WITH_ITT=OFF \
		-Wno-dev

	cmake --build build
	DESTDIR=$PKG cmake --install build

	# python3 bindings
	cd build/python_loader
	python3 setup.py install --root=$PKG
	rm -rf $PKG/usr/python

	rm -rf $PKG/usr/share/licenses
}

# vim: set ts=4 et: