From: Luis Lavena Date: 2010-09-16T03:30:11+09:00 Subject: Re: What OS do you use for Ruby development? On Sep 15, 2:17 pm, Ed Howland wrote: > Thanks, Charles. > > Is the mingw component now builtin to RubyInstaller? > The compiler environment (DevKit) is not bundled with the installer, specifically because not all users will require to compile extensions. So is an optional download that you can get from the download page: http://rubyinstaller.org/downloads And follow the installation instructions: http://github.com/oneclick/rubyinstaller/wiki/Development-Kit Jon (contributor of the project) is working in proper installer, in the mean time you can use the SFX packages. -- Luis Lavena