安装带有homebrew和python3的opencv3时出错
我正在使用自制软件在OSX上安装opencv3 (EI船长)，
brew install opencv3 --with-contrib --with-python3 --HEAD发生了一个错误：
Updating Homebrew...
==> Installing opencv3 from homebrew/science
==> Cloning https://github.com/opencv/opencv.git
Updating /Users/ksun/Library/Caches/Homebrew/opencv3--git
==> Checking out branch master
==> Cloning https://github.com/opencv/opencv_contrib.git
Updating /Users/ksun/Library/Caches/Homebrew/opencv3--contrib--git
> ==> Checking out branch master
Error: No such file or directory - /private/tmp/opencv3-20170330-14255-bxsn05/3rdparty/ippicv/downloader.cmake你们能帮我弄清楚怎么修吗？
回答 3
Stack Overflow用户
发布于 2017-04-02 22:57:15
我执行brew edit opencv3，然后注释以下行
inreplace buildpath/"3rdparty/ippicv/downloader.cmake",
"${OPENCV_ICV_PLATFORM}-${OPENCV_ICV_PACKAGE_HASH}",
"${OPENCV_ICV_PLATFORM}"然后您可以使用--HEAD重新安装
opencv存储库已经修复了一些问题，还删除了文件3rdparty/ippicv/downloader.cmake，因此不再需要对其进行修补。但是他们没有发布新的版本，所以要安装--with-contrib，你必须与--HEAD一起安装，但要禁用文件3rdparty/ippicv/downloader.cmake的补丁
Stack Overflow用户
发布于 2017-06-20 01:49:29
当我搜索OpenCV Java问题时，这是第一个结果。我将我的答案发布给任何使用OpenCV Java的人，以发现它也很有用。
我一直在关注这篇文章：https://opencv-java-tutorials.readthedocs.io/en/latest/01-installing-opencv-for-java.html
brew tap homebrew/science
brew install opencv3 --HEAD --with-contrib --with-java我尝试从上面的命令中删除--HEAD，并且我能够成功地安装它。
brew install opencv3 --with-contrib --with-java根据这篇文章：https://github.com/Homebrew/homebrew-science/issues/5498
Stack Overflow用户
发布于 2017-05-15 23:41:41
我已经通过以下方式解决了这个问题：
$ brew edit opencv3找到以下代码块并注释所有4行代码：
if build.with?("python3") && build.with?("python")
# Opencv3 Does not support building both Python 2 and 3 versions
odie "opencv3: Does not support building both Python 2 and 3 wrappers"
end最后使用brew install命令进行安装：
$ brew install opencv3 --with-contrib --with-python3参考：http://www.pyimagesearch.com/2017/05/15/resolving-macos-opencv-homebrew-install-errors/
https://stackoverflow.com/questions/43113151
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