I have just installed Sequel using the command sudo macgem install sequel. It tells me sequel-3.18.0 was successfully installed.
sudo macgem install sequel
When I fire up xcode, and s
I ran into similar issues and was able to get it working with the following combination:
MacRuby 0.8 sqlite3-ruby gem 1.3.2 sequel gem 3.18.0 OSX 10.6.5
The trick was uninstalling the 'sqlite3' gem and installing 'sqlite3-ruby'.