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      2. 构建 OpenCV 时出现 CMake 错误 - CMakeLists 不匹配

        CMake error when building OpenCV - CMakeLists not match(构建 OpenCV 时出现 CMake 错误 - CMakeLists 不匹配)

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                • 本文介绍了构建 OpenCV 时出现 CMake 错误 - CMakeLists 不匹配的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着跟版网的小编来一起学习吧!


                  我尝试在我的 Raspberry Pi 2B 上构建 OpenCV 3.1.0.不幸的是,当我尝试时:

                  I tried to build OpenCV 3.1.0 on my Raspberry Pi 2B. Unfortunetly, when I trying:

                  cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D INSTALL_C_EXAMPLES=OFF -D INSTALL_PYTHON_EXAMPLES=OFF/home/pi/Downloads/opencv-3.1.0

                  cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D INSTALL_C_EXAMPLES=OFF -D INSTALL_PYTHON_EXAMPLES=OFF /home/pi/Downloads/opencv-3.1.0


                  It gave me a error :( :

                  CMake 错误:源/home/pi/Downloads/opencv-3.1.0/CMakeLists.txt"与源/home/pi/Downloads/opencv-3.1.0/modules/CMakeLists.txt"不匹配" 用于生成缓存.使用不同的源目录重新运行 cmake.

                  CMake Error: The source "/home/pi/Downloads/opencv-3.1.0/CMakeLists.txt" does not match the source "/home/pi/Downloads/opencv-3.1.0/modules/CMakeLists.txt" used to generate cache. Re-run cmake with a different source directory.

                  我想将 OpenCV 与我已经安装的 C++ 和 Code::Bocks 一起使用.我在互联网上找不到任何解决方案,所以如果 smb 帮助我,我会很高兴.:) 忘了说我用的是 Raspbian Jezzy.

                  I want to use OpenCV with C++ and Code::Bocks, which I have already installed. I can't found any solution on internet, so I will be very happy if smb help me. :) Forgot to say I using Raspbian Jezzy.


                  首先,我希望您在单独的目录中外部源代码中运行 CMake.不建议这样做

                  First, I hope you do run CMake outside your sources, in a separate directory. Not doing that is really not recommended

                  要了解错误消息,您必须对 CMake 的工作原理有所了解.

                  To understand the error message you have to know a little bit on how CMake works.


                  cd /path/to/opencv
                  mkdir build
                  cd build
                  cmake ..

                  CMake 在构建目录中生成缓存(这是一个名为 CMakeCache.txt 的简单文件).该文件包含一些信息,例如:

                  CMake generates a cache in the build dir (It's a simple file named CMakeCache.txt). This file contains some information like:

                  • 源路径/path/to/opencv
                  • 构建目录的路径/path/to/opencv/build
                  • 使用的 CMake 生成器(Ninja、Unix Makefiles ...)

                  如果您重新运行 CMake 并更改这些值之一(通过使用不同参数重新运行 cmake、设置其他生成器或移动文件),CMake 会抱怨此类消息.

                  If you ever re-run CMake and change one of these values, (by re-running cmake with different arguments, setting an other generotor or moving files), CMake will complain with this kind of message.

                  一个好的解决方案是删除 CMakeCache,甚至整个构建目录以确保安全.

                  A good solution is then to delete the CMakeCache, or even the whole build dir to be safe.

                  这篇关于构建 OpenCV 时出现 CMake 错误 - CMakeLists 不匹配的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持跟版网!



                  C++ stl unordered_map implementation, reference validity(C++ stl unordered_map 实现,参考有效性)
                  C++: Is it possible to use a reference as the value in a map?(C++:是否可以使用引用作为映射中的值?)
                  Where ampersand quot;amp;quot; can be put when passing argument by reference?(其中符号“amp;通过引用传递参数时可以放置吗?)
                  Why can a non-const reference parameter be bound to a temporary object?(为什么可以将非常量引用参数绑定到临时对象?)
                  What is a dangling reference?(什么是悬空引用?)
                  C++ reference changes when push_back new element to std::vector(当 push_back 新元素到 std::vector 时,C++ 引用发生变化)
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