[QT]+[Cmake]+[openCV]配置环境报错：mingw32-make: *** [Makefile:165: all] Error 2等问题的解决办法
opencv
OpenCV: 开源计算机视觉库
项目地址：https://gitcode.com/gh_mirrors/opencv31/opencv
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当前作者各软件的版本：QT5.14.2 + CMAKE 3.29.0 +openCV 4.5.4
Qt配置OpenCV教程，亲测已试过（详细版）_qt opencv-CSDN博客
配置的时候主要参考了以上文章
1.卡FFMPEG: Downloading ffmpeg_version.cmake
出现的第一个问题是在cmake configure的时候卡在
FFMPEG: Downloading ffmpeg_version.cmake from https://raw.githubusercontent.com/opencv/opencv_3rdparty/7dd0d4f1d6fe75f05f3d3b5e38cbc96c1a2d2809/ffmpeg/ffmpeg_version.cmake
Try 1 failed
这个时候参考这篇文章：
（不用手动下文件）opencv用CMake编译下载失败解决_cmakelists.txt:931 (ocv_register_modules)-CSDN博客
相当于是换了一个下载的源，实测可以解决
2.mingw32-make: *** [Makefile:165: all] Error 2
这个问题的现象就是在进行mingw32-make -j 8的时候，会到29%，31%，34%这种类似的数字卡住，然后一直重复运行mingw32-make -j 8最终会到66%无法继续往后进行，解决问题时我也有一些发现。
首先是我configue的时候会出现QT6DIR NOTFOUND，这个可能是QT版本的问题，实测这个不影响最终的配置
其次是出现标题这个原因的根本问题一般都是opencv的版本太高了，我测了其余的版本，从上往下一直测，到了当前的4.5.4版本才能直接成功
3.期待大家配置成功，不要放弃，我搞了10多次才搞好
GitHub 加速计划 / opencv31 / opencv
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OpenCV: 开源计算机视觉库
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105a7747
doc: update image codec configuration reference (add AVIF, fix JPEG XL) #28393
This PR updates the build configuration documentation to:
- Add AVIF to the supported format list (it was missing).
- Clarify that some codecs (AVIF, JPEG XL) do not support BUILD_* options because OpenCV does not bundle their source code.
- Update the description to include "write" capabilities for these formats.
### Pull Request Readiness Checklist
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request
- [x] I agree to contribute to the project under Apache 2 License.
- [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV
- [x] The PR is proposed to the proper branch
- [ ] There is a reference to the original bug report and related work
- [ ] There is accuracy test, performance test and test data in opencv_extra repository, if applicable
Patch to opencv_extra has the same branch name.
- [x] The feature is well documented and sample code can be built with the project CMake
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