摘要:
我的ubuntu已经安装ruby1.9.3,安装rails的时候提示错误Building native extensions. This could take a while...ERROR: Error installing rails: ERROR: Failed to build gem native extension. /usr/bin/ruby1.9.1 extconf.rb/usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require': cannot load such file -- mkmf... 阅读全文