opencv-contrib在cmake中出现下载错误的解决

转:http://blog.csdn.net/qsy2000/article/details/70158537

首先,保证opencv和contrib版本对应:

git clone https://github.com/opencv/opencv.git
cd opencv
git checkout 3.1.0

git clone https://github.com/opencv/opencv_contrib.git
cd opencv_contrib
git checkout 3.1.0


OpenCV-contrib的这个master版本Latest commit 23c0256 Apr 12, 2017

在cmake中会出现下载错误,导致config失败。

看cmake源代码知道ocv_download这个函数在使用的时候,错把PACKAGE写成filename.

修改后再次config,generate成功。

D:\opencv\opencv_contrib\modules\dnn\cmake\OpenCVFindLibProtobuf.cmake
32 行改为
 ocv_download(PACKAGE "protobuf-cpp-3.1.0.tar.gz"

D:\opencv\opencv_contrib\modules\dnn_modern\CMakeLists.txt
20行改为
ocv_download(PACKAGE "v1.0.0a3.tar.gz"

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D:\opencv\opencv_contrib\modules\xfeatures2d\cmake\download_boostdesc.cmake
22行改为
 ocv_download(PACKAGE ${name_${id}}


D:\opencv\opencv_contrib\modules\xfeatures2d\cmake\download_vgg.cmake
16行改为
ocv_download(PACKAGE ${name_${id}}


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转载自blog.csdn.net/asukasmallriver/article/details/77222063