aws gem dependency on rails?

[greenail]

Looks like there is a dependency on active_support?

/usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:31:in gem_original_require': no such file to load -- active_support (LoadError) from /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:31:inrequire'
from /usr/lib/ruby/gems/1.8/gems/aws-2.2.6/lib/awsbase/right_awsbase.rb:31
from /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:31:in gem_original_require' from /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:31:inrequire'
from /usr/lib/ruby/gems/1.8/gems/aws-2.2.6/lib/aws.rb:18
from /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:31:in gem_original_require' from /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:31:inrequire'
from /usr/lib/ruby/gems/1.8/gems/sdbtools-0.5.0/lib/sdbtools.rb:2
... 18 levels...
from /usr/lib/ruby/gems/1.8/gems/merb-core-1.0.15/lib/merb-core.rb:173:in start' from /usr/lib/ruby/gems/1.8/gems/merb-core-1.0.15/bin/merb:11 from /usr/bin/merb:19:inload'
from /usr/bin/merb:19