On windows I think you need to install the DevKit( http://rubyinstaller.org/add-ons/devkit/), inside the devkit you will find instructions on how to patch your ruby installation to be able to compile native extensions.
Also make sure you have mysql server installed. My best, Ian 2014-05-20 18:35 GMT-07:00 Duong vong veasna <veasnakhme...@gmail.com>: > I am new new to developer on rails. i have problem when i try to use > command "rails install mysql" it said like this picture. > > Thanks you, > > > <https://lh5.googleusercontent.com/--X5X957V4L0/U3wCbuzmDkI/AAAAAAAAADo/qPaUsPlISQQ/s1600/error+01.png> > > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Talk" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to rubyonrails-talk+unsubscr...@googlegroups.com. > To post to this group, send email to rubyonrails-talk@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/rubyonrails-talk/5bb02c19-1a52-457e-aba8-931897bd7cd2%40googlegroups.com<https://groups.google.com/d/msgid/rubyonrails-talk/5bb02c19-1a52-457e-aba8-931897bd7cd2%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to rubyonrails-talk+unsubscr...@googlegroups.com. To post to this group, send email to rubyonrails-talk@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/CAHRDpXrOYaaYRt5H30rVTWcdTM9bZv5Ve-NViaq7b6ovJ_RNLA%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
