失败打造宝石原生扩展（EM-IRC）

Question

尝试安装EM-IRC，得到了：

/usr/bin/ruby1.9.1 extconf.rb 
/usr/local/lib/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require': cannot load such file -- mkmf (LoadError) 
from /usr/local/lib/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require' 
from extconf.rb:2:in `<main>' 

Answer 1

尝试以root身份运行：sudo gem install em-irc