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+Name:           opencv
+Version:        4.4.0
+Release:        1
+Summary:        OpenCV means Intel® Open Source Computer Vision Library.
+Group:          Development/Tools
+License:        Apache-2.0
+BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root
+URL:            https://github.com/opencv/opencv/archive/4.4.0.tar.gz
+Source:         %{name}-%{version}.tar.gz
+Provides:       opencv = %{version}
+BuildRequires:  cmake python3 python3-setuptools
+
+%description
+OpenCV means Intel® Open Source Computer Vision Library. It is a collection of
+C functions and a few C++ classes that implement some popular Image Processing
+and Computer Vision algorithms.
+
+%package        devel
+Summary:        Development files for %{name}
+Group:          Development/Libraries
+Requires:       %{name} = %{version}-%{release}
+
+%description    devel
+The %{name}-devel package contains libraries and header files for
+developing applications that use %{name}.
+
+%prep
+%setup -q -n %{name}-%{version}
+
+%build
+mkdir build 
+cd build/
+cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr ..
+make %{?_smp_mflags}
+
+%install
+cd build
+make DESTDIR=$RPM_BUILD_ROOT install
+
+mkdir -p $RPM_BUILD_ROOT/usr/lib64/pkgconfig/
+cat > $RPM_BUILD_ROOT/usr/lib64/pkgconfig/opencv.pc << EOF
+# Package Information for pkg-config
+
+prefix=/usr
+exec_prefix=\${prefix}
+libdir=\${exec_prefix}/lib64
+includedir=\${prefix}/include/opencv4/
+
+Name: OpenCV
+Description: Open Source Computer Vision Library
+Version: 4.4.0
+Libs: -L\${exec_prefix}/lib64 -lopencv_dnn -lopencv_ml -lopencv_objdetect -lopencv_stitching -lopencv_calib3d -lopencv_features2d -lopencv_highgui -lopencv_videoio -lopencv_imgcodecs -lopencv_video -lopencv_photo -lopencv_imgproc -lopencv_flann -lopencv_core -lopencv_gapi
+Libs.private: -ldl -lm -lpthread -lrt -L/lib64 -lGL
+Cflags: -I\${includedir}
+EOF
+
+%files
+%{_bindir}/*
+/usr/share/*
+%{python3_sitelib}/*
+%{_libdir}/*.so.*
+
+%files devel
+%{_includedir}/opencv4/opencv2/*
+%{_libdir}/*.so
+%{_libdir}/cmake/*
+%{_libdir}/pkgconfig/*
+
+%changelog
+* Wed Jul 1 2020 fu zhengwei <fuzhengwei@kylinos.cn>
+- Create it.