请安装 libyaml 并重新安装您的 ruby
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Please install libyaml and reinstall your ruby
提问by Rpj
libyaml warning doesn't go away, even if you install libyaml
即使您安装了 libyaml，libyaml 警告也不会消失
gem install bundler
/home/ec2-user/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/1.9.1/yaml.rb:56:in `<top (required)>':
It seems your ruby installation is missing psych (for YAML output).
To eliminate this warning, please install libyaml and reinstall your ruby.
Fetching: bundler-1.3.4.gem (100%)
Successfully installed bundler-1.3.4
回答by shayonj
First remove any previous docs of yaml by
首先删除任何以前的 yaml 文档
cd .rvm/src
sudo rm -rf yaml*
Then you can do rest of the install by -
然后您可以通过以下方式完成其余的安装 -
rvm pkg install libyaml
rvm pkg install libyaml
P.S You will need to reinstall ruby after this.
PS 在此之后，您将需要重新安装 ruby。
UPDATE:更新：如果
rvm pkgrvm pkg似乎已被弃用。您可以自行编译源代码。您所要做的就是从以下网址下载最新版本的 libyaml http://pyyaml.org/download/libyaml/http://pyyaml.org/download/libyaml/tar zxf yaml-0.1.4.tar.gz
cd yaml-0.1.4
./configure
make
make install
UPDATE2:UPDATE2：顺便说一句，您仍然可以使用 rvm pkg 和/或在重新安装 ruby 时确保通过以下方式启用自动库
\curl -L https://get.rvm.io | bash -s stable --rails --autolibs=enable\curl -L https://get.rvm.io | bash -s stable --rails --autolibs=enable回答by Mike
If using homebrew, a temporary fix that worked for me was to run:
如果使用自制软件，对我有用的临时修复是运行：
brew unlink libyaml && brew link libyaml
plus you may also need to run:
此外，您可能还需要运行：
brew unlink openssl && brew link --force openssl
See this issue thread for more details: https://github.com/wayneeseguin/rvm/issues/2689
有关更多详细信息，请参阅此问题线程：https: //github.com/wayneeseguin/rvm/issues/2689
回答by lfender6445
A friend of mine had a similar problem on his mac.
我的一个朋友在他的 mac 上遇到了类似的问题。
brew install libyaml
brew install libyaml
ended up working for us and we were able to avoid a reinstall of ruby.
最终为我们工作，我们能够避免重新安装 ruby。
