我收到此错误消息:
"It seems your ruby installation is missing psych (for YAML output).
To eliminate this warning, please install libyaml and reinstall your ruby."
我试过输入这个命令: rvm pkg install libyaml
我收到此错误消息:
"Fetching yaml-0.1.4.tar.gz to /Users/luke/.rvm/archives
Extracting yaml-0.1.4.tar.gz to /Users/luke/.rvm/src
Error running 'tar xmzf /Users/luke/.rvm/archives/yaml-0.1.4.tar.gz -C
/Users/luke/.rvm/src ',
please read /Users/luke/.rvm/log/yaml/extract.log
Configuring yaml in /Users/luke/.rvm/src/yaml-0.1.4.
Error running ' ./configure --prefix="/Users/luke/.rvm/usr" ',
please read /Users/luke/.rvm/log/yaml/configure.log
Compiling yaml in /Users/luke/.rvm/src/yaml-0.1.4.
Error running 'make ', please read /Users/luke/.rvm/log/yaml/make.log
Database file /Users/luke/.rvm/config/packages does not exist."
有谁知道我做错了什么？谢谢!