我使用rvm安装ruby 1.9.3.尽管安装成功,它还是抱怨Libyml.现在,每当我想安装gem(比如rails)时,就会出现以下警告:
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).
我使用rvm安装ruby 1.9.3.尽管安装成功,它还是抱怨Libyml.现在,每当我想安装gem(比如rails)时,就会出现以下警告:
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).
就我而言
rvm pkg install libyaml
和
rvm reinstall ruby-1.9.3-p125
解决了这个问题.
对于使用Ubuntu的用户,请确保在执行上述步骤之前安装了libtool
:
sudo apt-get install libtool
对于macOS用户(使用brew 软件):
rm -rf /usr/local/lib/ruby/gems/ && brew reinstall ruby