一.介绍

最近在拿PCL库写代码，不太想开虚拟机，所以就研究下怎么在macOS下安装，发现缺了OpenNI以及OpenNI2的依赖库，所以研究下怎么安装。

二.安装

编译的话实在是下下之选，因为实在麻烦，最方便的还是homebrew，不过openni原来在homebrew的science的tap里，这个tap现在已经被废弃了，这就很气，研究了下发现官方还推荐了一个替代的。

These formulae provided software tailored to scientific endeavours.

This tap was deprecated because it had different goals from the wider Homebrew organisation (e.g. Linuxbrew CI/support). All widely used, buildable formulae were migrated to homebrew/core.

If you wish to migrate other widely used formulae to Homebrew/homebrew-core please submit a pull request there.

You may be interested in the brewsci/bio and brewsci/science taps.

所以就去 brewsci/science —> https://github.com/brewsci/homebrew-science 看看发现还在维护，也有OpenNI，这就很棒棒

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brew tap brewsci/science
brew install openni
brew install openni2

然后根据提示添加下环境变量，一切OK