Opencv 3.4.0 Cmake Error in Configuration Process, Project Files May Be Invalid

在这里插入图片描述
在cmake对opencv编译的时候出现错误

错误粘贴如下：

错误一

Can't detect runtime and/or arch
FP16: Compiler support is available

CMake Warning at cmake/OpenCVUtils.cmake:1020 (message):
Download: Local copy of opencv_ffmpeg.dll has invalid MD5 hash:
6048172a1d2ebdc53194abc93c0e7c4a (expected:
f081abd9d6ca7e425d340ce586f9c090)
Call Stack (most recent call first):
3rdparty/ffmpeg/ffmpeg.cmake:10 (ocv_download)
cmake/OpenCVFindLibsVideo.cmake:219 (include)
CMakeLists.txt:557 (include)

Downloading opencv_ffmpeg.dll…
CMake Error at cmake/OpenCVUtils.cmake:1043 (file):
file DOWNLOAD HASH mismatch

for file: [E:/Files/openCV/opencv/sources/3rdparty/ffmpeg/downloads/f081abd9d6ca7e425d340ce586f9c090/opencv_ffmpeg.dll]
expected hash: [f081abd9d6ca7e425d340ce586f9c090]
actual hash: [3108d97fa2ee09c8ee442db07b6367ca]
status: [28;"Timeout was reached"]

Call Stack (most recent call first):
3rdparty/ffmpeg/ffmpeg.cmake:10 (ocv_download)
cmake/OpenCVFindLibsVideo.cmake:219 (include)
CMakeLists.txt:557 (include)
CMake Error at cmake/OpenCVUtils.cmake:1047 (message):
Failed to download opencv_ffmpeg.dll. Status=28;"Timeout was reached"
Call Stack (most recent call first):
3rdparty/ffmpeg/ffmpeg.cmake:10 (ocv_download)
cmake/OpenCVFindLibsVideo.cmake:219 (include)
CMakeLists.txt:557 (include)

Configuring incomplete, errors occurred!
See also "E:/Files/openCV/opencv/newbuild/CMakeFiles/CMakeOutput.log".
See also "E:/Files/openCV/opencv/newbuild/CMakeFiles/CMakeError.log".

这是由于ffmpeg没下载成功所致

打开路径E:\Files\openCV\opencv\sources\3rdparty\ffmpeg\ffmpeg.cmake中有下载地址（opencv下载地址前半截保存位置可能会不一样）
在这里插入图片描述这里值得注意的是，下载地址要经过转换（黄框部分用另一个黄框替换）最后绿色添加到末尾
为了方便看清楚，我的下载地址如下，稍微比对一下就能看明白了：
https://raw.githubusercontent.com/opencv/opencv_3rdparty/2a19d0006415955c79431116e4634f04d5eb5a74/ffmpeg/opencv_ffmpeg.dll

https://raw.githubusercontent.com/opencv/opencv_3rdparty/2a19d0006415955c79431116e4634f04d5eb5a74/ffmpeg/opencv_ffmpeg_64.dll

此外还需要知道所下载的三个文件的哈希值：查询工具https://download.csdn.net/download/xubuhui/12032166
工具使用方法：点击exe安装之后找到需要查询的文件右击——》属性即可看到对应的MD5
在这里插入图片描述
opencv_ffmpeg.dll的MD5：F081ABD9D6CA7E425D340CE586F9C090

opencv_ffmpeg_64.dll的MD5：A423363A6EB76D362CA6C406C96C8DB6

ffmpeg_version.cmake的MD5： 216942A44FEBE61BD47E404AACD746FF

将下载得文件对应放到相应的文件夹中

                E:\Files\openCV\opencv\sources\3rdparty\ffmpeg\downloads\F081ABD9D6CA7E425D340CE586F9C090                                                                  1

                E:\Files\openCV\opencv\sources\3rdparty\ffmpeg\downloads\A423363A6EB76D362CA6C406C96C8DB6                                                                  1

                E:\Files\openCV\opencv\sources\3rdparty\ffmpeg\downloads\216942A44FEBE61BD47E404AACD746FF                                                                  1

下载好之后再在cmake中进行configure
又出现错误如下：

                Can't detect runtime and/or arch FP16: Compiler support is available Downloading ffmpeg_version.cmake... Downloading ffmpeg_version.cmake... Done ICV: Downloading ippicv_windows_20151201.zip... CMake Error at 3rdparty/ippicv/downloader.cmake:73 (file): file DOWNLOAD HASH mismatch

for file: [E:/Files/openCV/opencv/sources/3rdparty/ippicv/downloads/windows-04e81ce5d0e329c3fbc606ae32cad44d/ippicv_windows_20151201.zip]
expected hash: [04e81ce5d0e329c3fbc606ae32cad44d]
actual hash: [72e31e3fa2b51979a82c654e0b05c376]
status: [28;"Timeout was reached"]

Call Stack (most recent call first):
3rdparty/ippicv/downloader.cmake:110 (_icv_downloader)
cmake/OpenCVFindIPP.cmake:243 (include)
cmake/OpenCVFindLibsPerf.cmake:37 (include)
CMakeLists.txt:558 (include)
CMake Error at 3rdparty/ippicv/downloader.cmake:77 (message):
ICV: Failed to download ICV package: ippicv_windows_20151201.zip.
Status=28;"Timeout was reached"
Call Stack (most recent call first):
3rdparty/ippicv/downloader.cmake:110 (_icv_downloader)
cmake/OpenCVFindIPP.cmake:243 (include)
cmake/OpenCVFindLibsPerf.cmake:37 (include)
CMakeLists.txt:558 (include)
Configuring incomplete, errors occurred!
See also "E:/Files/openCV/opencv/newbuild/CMakeFiles/CMakeOutput.log".
See also "E:/Files/openCV/opencv/newbuild/CMakeFiles/CMakeError.log".

由于ippicv未下载成功所致

下载地址在E:\Files\openCV\opencv\sources\3rdparty\ippicv\downloader.cmake
在这里插入图片描述
同上操作这里不再叙述
我的下载地址为（对应自己得电脑下载即可）
https://raw.githubusercontent.com/opencv/opencv_3rdparty/81a676001ca8075ada498583e4166079e5744668/ippicv/ippicv_windows_20151201.zip

https://raw.githubusercontent.com/opencv/opencv_3rdparty/81a676001ca8075ada498583e4166079e5744668/ippicv/ippicv_macosx_20151201.tgz

https://raw.githubusercontent.com/opencv/opencv_3rdparty/81a676001ca8075ada498583e4166079e5744668/ippicv/ippicv_linux_20151201.tgz
此时用hash查询工具查询MD5
将文件保存我的电脑是windows其它得我就不展示了
放入路径E:\Files\openCV\opencv\sources\3rdparty\ippicv\downloads\windows-04e81ce5d0e329c3fbc606ae32cad44d
将文件放到相应得目录之后再次回到cmake

错误二

又出现错误

              CMake Error: The following variables are used in this project, but they are set to NOTFOUND. Please set them or make sure they are set and tested correctly in the CMake files: CUDA_nppi_LIBRARY (ADVANCED) linked by target "opencv_cudev" in directory E:/Files/openCV/opencv/sources/modules/cudev linked by target "opencv_cudev" in directory E:/Files/openCV/opencv/sources/modules/cudev linked by target "opencv_test_cudev" in directory E:/Files/openCV/opencv/sources/modules/cudev/test linked by target "opencv_core" in directory E:/Files/openCV/opencv/sources/modules/core linked by target "opencv_core" in directory E:/Files/openCV/opencv/sources/modules/core linked by target "opencv_test_core" in directory E:/Files/openCV/opencv/sources/modules/core linked by target "opencv_perf_core" in directory E:/Files/openCV/opencv/sources/modules/core linked by target "opencv_test_cudaarithm" in directory E:/Files/openCV/opencv/sources/modules/cudaarithm linked by target "opencv_cudaarithm" in directory E:/Files/openCV/opencv/sources/modules/cudaarithm linked by target "opencv_cudaarithm" in directory E:/Files/openCV/opencv/sources/modules/cudaarithm linked by target "opencv_perf_cudaarithm" in directory E:/Files/openCV/opencv/sources/modules/cudaarithm linked by target "opencv_flann" in directory E:/Files/openCV/opencv/sources/modules/flann linked by target "opencv_flann" in directory E:/Files/openCV/opencv/sources/modules/flann linked by target "opencv_test_flann" in directory E:/Files/openCV/opencv/sources/modules/flann linked by target "opencv_imgproc" in directory E:/Files/openCV/opencv/sources/modules/imgproc linked by target "opencv_imgproc" in directory E:/Files/openCV/opencv/sources/modules/imgproc linked by target "opencv_test_imgproc" in directory E:/Files/openCV/opencv/sources/modules/imgproc linked by target "opencv_perf_imgproc" in directory E:/Files/openCV/opencv/sources/modules/imgproc linked by target "opencv_test_ml" in directory E:/Files/openCV/opencv/sources/modules/ml linked by target "opencv_ml" in directory E:/Files/openCV/opencv/sources/modules/ml linked by target "opencv_ml" in directory E:/Files/openCV/opencv/sources/modules/ml linked by target "opencv_test_video" in directory E:/Files/openCV/opencv/sources/modules/video linked by target "opencv_video" in directory E:/Files/openCV/opencv/sources/modules/video linked by target "opencv_video" in directory E:/Files/openCV/opencv/sources/modules/video linked by target "opencv_perf_video" in directory E:/Files/openCV/opencv/sources/modules/video linked by target "opencv_cudabgsegm" in directory E:/Files/openCV/opencv/sources/modules/cudabgsegm linked by target "opencv_cudabgsegm" in directory E:/Files/openCV/opencv/sources/modules/cudabgsegm linked by target "opencv_test_cudabgsegm" in directory E:/Files/openCV/opencv/sources/modules/cudabgsegm linked by target "opencv_perf_cudabgsegm" in directory E:/Files/openCV/opencv/sources/modules/cudabgsegm linked by target "opencv_cudafilters" in directory E:/Files/openCV/opencv/sources/modules/cudafilters linked by target "opencv_cudafilters" in directory E:/Files/openCV/opencv/sources/modules/cudafilters linked by target "opencv_test_cudafilters" in directory E:/Files/openCV/opencv/sources/modules/cudafilters linked by target "opencv_perf_cudafilters" in directory E:/Files/openCV/opencv/sources/modules/cudafilters linked by target "opencv_cudaimgproc" in directory E:/Files/openCV/opencv/sources/modules/cudaimgproc linked by target "opencv_cudaimgproc" in directory E:/Files/openCV/opencv/sources/modules/cudaimgproc linked by target "opencv_test_cudaimgproc" in directory E:/Files/openCV/opencv/sources/modules/cudaimgproc linked by target "opencv_perf_cudaimgproc" in directory E:/Files/openCV/opencv/sources/modules/cudaimgproc linked by target "opencv_perf_cudawarping" in directory E:/Files/openCV/opencv/sources/modules/cudawarping linked by target "opencv_cudawarping" in directory E:/Files/openCV/opencv/sources/modules/cudawarping linked by target "opencv_cudawarping" in directory E:/Files/openCV/opencv/sources/modules/cudawarping linked by target "opencv_test_cudawarping" in directory E:/Files/openCV/opencv/sources/modules/cudawarping linked by target "opencv_imgcodecs" in directory E:/Files/openCV/opencv/sources/modules/imgcodecs linked by target "opencv_imgcodecs" in directory E:/Files/openCV/opencv/sources/modules/imgcodecs linked by target "opencv_test_imgcodecs" in directory E:/Files/openCV/opencv/sources/modules/imgcodecs linked by target "opencv_perf_imgcodecs" in directory E:/Files/openCV/opencv/sources/modules/imgcodecs linked by target "opencv_perf_photo" in directory E:/Files/openCV/opencv/sources/modules/photo linked by target "opencv_photo" in directory E:/Files/openCV/opencv/sources/modules/photo linked by target "opencv_photo" in directory E:/Files/openCV/opencv/sources/modules/photo linked by target "opencv_test_photo" in directory E:/Files/openCV/opencv/sources/modules/photo linked by target "opencv_test_shape" in directory E:/Files/openCV/opencv/sources/modules/shape linked by target "opencv_shape" in directory E:/Files/openCV/opencv/sources/modules/shape linked by target "opencv_shape" in directory E:/Files/openCV/opencv/sources/modules/shape linked by target "opencv_test_videoio" in directory E:/Files/openCV/opencv/sources/modules/videoio linked by target "opencv_videoio" in directory E:/Files/openCV/opencv/sources/modules/videoio linked by target "opencv_videoio" in directory E:/Files/openCV/opencv/sources/modules/videoio linked by target "opencv_perf_videoio" in directory E:/Files/openCV/opencv/sources/modules/videoio linked by target "opencv_cudacodec" in directory E:/Files/openCV/opencv/sources/modules/cudacodec linked by target "opencv_cudacodec" in directory E:/Files/openCV/opencv/sources/modules/cudacodec linked by target "opencv_perf_cudacodec" in directory E:/Files/openCV/opencv/sources/modules/cudacodec linked by target "opencv_test_cudacodec" in directory E:/Files/openCV/opencv/sources/modules/cudacodec linked by target "opencv_highgui" in directory E:/Files/openCV/opencv/sources/modules/highgui linked by target "opencv_highgui" in directory E:/Files/openCV/opencv/sources/modules/highgui linked by target "opencv_test_highgui" in directory E:/Files/openCV/opencv/sources/modules/highgui linked by target "opencv_perf_objdetect" in directory E:/Files/openCV/opencv/sources/modules/objdetect linked by target "opencv_objdetect" in directory E:/Files/openCV/opencv/sources/modules/objdetect linked by target "opencv_objdetect" in directory E:/Files/openCV/opencv/sources/modules/objdetect linked by target "opencv_test_objdetect" in directory E:/Files/openCV/opencv/sources/modules/objdetect linked by target "opencv_ts" in directory E:/Files/openCV/opencv/sources/modules/ts linked by target "opencv_ts" in directory E:/Files/openCV/opencv/sources/modules/ts linked by target "opencv_test_features2d" in directory E:/Files/openCV/opencv/sources/modules/features2d linked by target "opencv_features2d" in directory E:/Files/openCV/opencv/sources/modules/features2d linked by target "opencv_features2d" in directory E:/Files/openCV/opencv/sources/modules/features2d linked by target "opencv_perf_features2d" in directory E:/Files/openCV/opencv/sources/modules/features2d linked by target "opencv_calib3d" in directory E:/Files/openCV/opencv/sources/modules/calib3d linked by target "opencv_calib3d" in directory E:/Files/openCV/opencv/sources/modules/calib3d linked by target "opencv_test_calib3d" in directory E:/Files/openCV/opencv/sources/modules/calib3d linked by target "opencv_perf_calib3d" in directory E:/Files/openCV/opencv/sources/modules/calib3d linked by target "opencv_cudafeatures2d" in directory E:/Files/openCV/opencv/sources/modules/cudafeatures2d linked by target "opencv_cudafeatures2d" in directory E:/Files/openCV/opencv/sources/modules/cudafeatures2d linked by target "opencv_test_cudafeatures2d" in directory E:/Files/openCV/opencv/sources/modules/cudafeatures2d linked by target "opencv_perf_cudafeatures2d" in directory E:/Files/openCV/opencv/sources/modules/cudafeatures2d linked by target "opencv_cudalegacy" in directory E:/Files/openCV/opencv/sources/modules/cudalegacy linked by target "opencv_cudalegacy" in directory E:/Files/openCV/opencv/sources/modules/cudalegacy linked by target "opencv_test_cudalegacy" in directory E:/Files/openCV/opencv/sources/modules/cudalegacy linked by target "opencv_perf_cudalegacy" in directory E:/Files/openCV/opencv/sources/modules/cudalegacy linked by target "opencv_cudaobjdetect" in directory E:/Files/openCV/opencv/sources/modules/cudaobjdetect linked by target "opencv_cudaobjdetect" in directory E:/Files/openCV/opencv/sources/modules/cudaobjdetect linked by target "opencv_perf_cudaobjdetect" in directory E:/Files/openCV/opencv/sources/modules/cudaobjdetect linked by target "opencv_test_cudaobjdetect" in directory E:/Files/openCV/opencv/sources/modules/cudaobjdetect linked by target "opencv_cudaoptflow" in directory E:/Files/openCV/opencv/sources/modules/cudaoptflow linked by target "opencv_cudaoptflow" in directory E:/Files/openCV/opencv/sources/modules/cudaoptflow linked by target "opencv_test_cudaoptflow" in directory E:/Files/openCV/opencv/sources/modules/cudaoptflow linked by target "opencv_perf_cudaoptflow" in directory E:/Files/openCV/opencv/sources/modules/cudaoptflow linked by target "opencv_perf_cudastereo" in directory E:/Files/openCV/opencv/sources/modules/cudastereo linked by target "opencv_cudastereo" in directory E:/Files/openCV/opencv/sources/modules/cudastereo linked by target "opencv_cudastereo" in directory E:/Files/openCV/opencv/sources/modules/cudastereo linked by target "opencv_test_cudastereo" in directory E:/Files/openCV/opencv/sources/modules/cudastereo linked by target "opencv_test_stitching" in directory E:/Files/openCV/opencv/sources/modules/stitching linked by target "opencv_stitching" in directory E:/Files/openCV/opencv/sources/modules/stitching linked by target "opencv_stitching" in directory E:/Files/openCV/opencv/sources/modules/stitching linked by target "opencv_perf_stitching" in directory E:/Files/openCV/opencv/sources/modules/stitching linked by target "opencv_superres" in directory E:/Files/openCV/opencv/sources/modules/superres linked by target "opencv_superres" in directory E:/Files/openCV/opencv/sources/modules/superres linked by target "opencv_test_superres" in directory E:/Files/openCV/opencv/sources/modules/superres linked by target "opencv_perf_superres" in directory E:/Files/openCV/opencv/sources/modules/superres linked by target "opencv_videostab" in directory E:/Files/openCV/opencv/sources/modules/videostab linked by target "opencv_videostab" in directory E:/Files/openCV/opencv/sources/modules/videostab linked by target "opencv_traincascade" in directory E:/Files/openCV/opencv/sources/apps/traincascade linked by target "opencv_createsamples" in directory E:/Files/openCV/opencv/sources/apps/createsamples linked by target "opencv_annotation" in directory E:/Files/openCV/opencv/sources/apps/annotation linked by target "opencv_visualisation" in directory E:/Files/openCV/opencv/sources/apps/visualisation linked by target "opencv_version" in directory E:/Files/openCV/opencv/sources/apps/version Configuring incomplete, errors occurred! See also "E:/Files/openCV/opencv/newbuild/CMakeFiles/CMakeOutput.log". See also "E:/Files/openCV/opencv/newbuild/CMakeFiles/CMakeError.log".                                                          1
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参照这篇文章，这里面讲的很好，照做就可以了。
https://stackoverflow.com/questions/46584000/cmake-error-variables-are-set-to-notfound

如何下载protobuf-cpp文件？

打开路径E:\Files\openCV\opencv_contrib-3.2.0\opencv_contrib-3.2.0\modules\dnn\cmake\download_protobuf.cmake
并打开
将两者拼接起来即可进行下载如我的下载网址是
https://github.com/google/protobuf/releases/download/v3.1.0/protobuf-cpp-3.1.0.tar.gz

错误三

在这里插入图片描述

              CMake Error at CMakeLists.txt:98 (project):   No CMAKE_CXX_COMPILER could be found.

CMake Error at CMakeLists.txt:98 (project):
No CMAKE_C_COMPILER could be found.

问题原因
出现问题之后我重新安装了vs2015版后再次编译的时候出现该问题
原因在于安装新VS时未安装Windows SDK
为visual Studio 安装组件的方式：打开控制面板找到程序与功能
找到自己安装的VS
右击更改——》修改——》安装即可

                              原文链接：https://blog.csdn.net/xubuhui/article/details/103533081

Opencv 3.4.0 Cmake Error in Configuration Process, Project Files May Be Invalid

Source: https://www.its203.com/article/weixin_44017727/103999019

Opencv 3.4.0 Cmake Error in Configuration Process, Project Files May Be Invalid

错误一

这是由于ffmpeg没下载成功所致

由于ippicv未下载成功所致

错误二

如何下载protobuf-cpp文件？

错误三

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Opencv 3.4.0 Cmake Error in Configuration Process, Project Files May Be Invalid

错误 一

这是由于ffmpeg没下载成功所致

由于ippicv未下载成功所致

错误二

如何下载protobuf-cpp文件？

错误三

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错误一