一開始用brew install opencv3 --with-python3 --c++11 --with-contrib
報錯如下

Error: Calling 'depends_on :python' is disabled! Use 'depends_on "python@2"' instead. /usr/local/Homebrew/Library/Taps/homebrew/homebrew-core/Formula/opencv.rb:32:in `<class:Opencv>' Please report this to the homebrew/core tap! Or, even better, submit a PR to fix it!

后來用這個就可以了brew install opencv3 --with-contrib--with-python3 --without-python
順利安裝到最后報錯

==> Pouring python-3.6.5.high_sierra.bottle.tar.gz Error: An unexpected error occurred during the `brew link` step The formula built, but is not symlinked into /usr/local Permission denied @ dir_s_mkdir - /usr/local/Frameworks Error: Permission denied @ dir_s_mkdir - /usr/local/Frameworks

一是權限問題，而是無法創建文件夾

那就手動創建一個sudo mkdir /usr/local/Frameworks輸入密碼就行

權限問題的話用sudo chown -R (whoami)(brew –prefix)/*似乎不行，改成sudo chown -R $(whoami):admin $(brew --prefix)/*就行了

最后brew link python3就解決了

測試還是不行

轉載于:https://www.cnblogs.com/05410n/p/8858372.html

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