opencv编译错误记录

找不到文件cuda_runtime.h

在windows 11系统，opencv4.1.2+opencv_contrib+Qt5.15.2的环境下，添加了cuda的include、bin、lib的环境变量，但是仍然出现以下问题。

In file included from E:\src\opencv_contrib-4.1.2\modules\cudaarithm\src\lut.cpp:7:
E:\src\opencv_contrib-4.1.2\modules\cudaarithm\src\lut.hpp:10:10: fatal error: cuda_runtime.h: No such file or directory
 #include 
          ^~~~~~~~~~~~~~~~
compilation terminated.
1
2
3
4
5

解决：
找到cuda_runtime.h的绝对路径，把此处的#include 改成#include

找不到boostdesc_bgm.i

E:\src\opencv_contrib-4.1.2\modules\xfeatures2d\src\boostdesc.cpp:654:20: fatal error: boostdesc_bgm.i: No such file or directory
           #include "boostdesc_bgm.i"
                    ^~~~~~~~~~~~~~~~~
compilation terminated.
1
2
3
4

解决：下载这个文件，解压到这个目录opencv_contrib/modules/xfeatures2d/src/

找不到features2d/test/test_detectors_regression.impl.hpp

E:\src\opencv_contrib-4.1.2\modules\xfeatures2d\test\test_features2d.cpp:51:10: fatal error: features2d/test/test_detectors_regression.impl.hpp: No such file or directory
 #include "features2d/test/test_detectors_regression.impl.hpp"
          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
mingw32-make[2]: *** [modules\
1
2
3
4
5

解决：将opencv / modules / features2d复制，然后粘贴到build目录中来解决该问题。

找不到namespace cv::cuda::device::blend；

E:\src\opencv-4.1.2\modules\stitching\src\blenders.cpp: In member function 'virtual void cv::detail::MultiBandBlender::feed(cv::InputArray, cv::InputArray, cv::Point)':
E:\src\opencv-4.1.2\modules\stitching\src\blenders.cpp:470:39: error: 'cv::cuda::device' has not been declared
             using namespace cv::cuda::device::blend;
1
2
3

去掉BUILD_CUDA_SYUBS和OPENCV_DNN_CUDA