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Merge branch 4.x

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Alexander Smorkalov
2025-04-28 22:13:51 +03:00
parent 1df06488b1 4ad4bd5dc0
commit f8de2e06e6
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doc/tutorials/introduction/config_reference/config_reference.markdown
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@@ -64,6 +64,21 @@ Only 0- and 1-level deep module locations are supported, following command will
cmake -DOPENCV_EXTRA_MODULES_PATH=../opencv_contrib ../opencv
```
## Build with C++ Standard setting {#tutorial_config_reference_general_cxx_standard}
`CMAKE_CXX_STANDARD` option can be used to set C++ standard settings for OpenCV building.
```.sh
cmake -DCMAKE_CXX_STANDARD=17 ../opencv
cmake --build .
```
- C++11 is default/required/recommended for OpenCV 4.x. C++17 is default/required/recomended for OpenCV 5.x.
- If your compiler does not support required C++ Standard features, OpenCV configuration should be fail.
- If you set older C++ Standard than required, OpenCV configuration should be fail.
For workaround, `OPENCV_SKIP_CMAKE_CXX_STANDARD` option can be used to skip `CMAKE_CXX_STANDARD` version check.
- If you set newer C++ Standard than recomended, numerous warnings may appear or OpenCV build may fail.
## Debug build {#tutorial_config_reference_general_debug}