当我尝试手动安装mysql2 gem时,我得到了这个疯狂的混乱。 任何帮助将不胜感激。mysql2 gem将无法正常安装
littleMac$ sudo gem install mysql2
Building native extensions. This could take a while...
ERROR: Error installing mysql2:
ERROR: Failed to build gem native extension.
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby extconf.rb
mkmf.rb can't find header files for ruby at /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/ruby.h
Gem files will remain installed in /Library/Ruby/Gems/1.8/gems/mysql2-0.3.6 for inspection.
Results logged to /Library/Ruby/Gems/1.8/gems/mysql2-0.3.6/ext/mysql2/gem_make.out
你还没有使用[rvm](http://rvm.beginrescueend.com/)吗? – coreyward
你有没有安装Xcode?如果你没有,原生宝石将无法建立。 –