如何解决“红宝石安装缺少心理"?错误? [英] how to solve "ruby installation is missing psych" error?

问题描述

我使用rvm安装了ruby 1.9.3.即使已成功安装，它也抱怨libyaml.现在每次我想安装一个宝石(比如说滑轨)时，都会显示此警告:

I used rvm to install ruby 1.9.3. even though it was successfully installed, it complained about libyaml. and now every time i wanna install a gem (say rails) this warning shows up:

It seems your ruby installation is missing psych (for YAML output). To eliminate this warning, please install libyaml and reinstall your ruby.

我使用Mac os X 10.7(Lion).

I use Mac os X 10.7 (Lion).

推荐答案

就我而言

rvm pkg install libyaml

和

rvm reinstall ruby-1.9.3-p125

解决了问题.

对于使用Ubuntu的用户，请确保在执行上述步骤之前已安装libtool:

For people using Ubuntu, make sure that libtool is installed prior to the steps above:

sudo apt-get install libtool

对于macOS用户(使用自制软件):

For macOS users (with homebrew):

rm -rf /usr/local/lib/ruby/gems/ && brew reinstall ruby

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