Description:
/usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require': iconv will be deprecated in the future, use String#encode instead.
/usr/lib/ruby/gems/1.9.1/gems/gettext-2.1.0/lib/gettext/runtime/locale_path.rb:20: Use RbConfig instead of obsolete and deprecated Config.
NOTE: Gem.all_load_paths is deprecated with no replacement. It will be removed on or after 2011-10-01.
Gem.all_load_paths called from /usr/lib/ruby/gems/1.9.1/gems/gettext-2.1.0/lib/gettext/runtime/locale_path.rb:56.
NOTE: Gem.all_partials is deprecated with no replacement. It will be removed on or after 2011-10-01.
Gem.all_partials called from /usr/lib/ruby/1.9.1/rubygems.rb:258.
/usr/lib/ruby/1.9.1/rubygems.rb:259:in `block (2 levels) in all_load_paths': undefined method `add' for "/usr/lib/ruby/gems/1.9.1":String (NoMethodError)
from /usr/lib/ruby/1.9.1/rubygems.rb:427:in `block (2 levels) in each_load_path'
from /usr/lib/ruby/1.9.1/rubygems.rb:426:in `each'
from /usr/lib/ruby/1.9.1/rubygems.rb:426:in `block in each_load_path'
from /usr/lib/ruby/1.9.1/rubygems.rb:421:in `each'
from /usr/lib/ruby/1.9.1/rubygems.rb:421:in `each_load_path'
from /usr/lib/ruby/1.9.1/rubygems.rb:258:in `block in all_load_paths'
from /usr/lib/ruby/1.9.1/rubygems.rb:257:in `each'
from /usr/lib/ruby/1.9.1/rubygems.rb:257:in `all_load_paths'
from /usr/lib/ruby/1.9.1/rubygems/deprecate.rb:63:in `block (2 levels) in deprecate'
from /usr/lib/ruby/gems/1.9.1/gems/gettext-2.1.0/lib/gettext/runtime/locale_path.rb:56:in `default_path_rules'
from /usr/lib/ruby/gems/1.9.1/gems/locale-2.0.5/lib/locale/util/memoizable.rb:80:in `block in default_path_rules'
from /usr/lib/ruby/gems/1.9.1/gems/locale-2.0.5/lib/locale/util/memoizable.rb:95:in `block in _memoize_dup'
from /usr/lib/ruby/gems/1.9.1/gems/locale-2.0.5/lib/locale/util/memoizable.rb:87:in `_memoize'
from /usr/lib/ruby/gems/1.9.1/gems/locale-2.0.5/lib/locale/util/memoizable.rb:95:in `_memoize_dup'
from /usr/lib/ruby/gems/1.9.1/gems/locale-2.0.5/lib/locale/util/memoizable.rb:79:in `default_path_rules'
from /usr/lib/ruby/gems/1.9.1/gems/gettext-2.1.0/lib/gettext/runtime/locale_path.rb:84:in `initialize'
from /usr/lib/ruby/gems/1.9.1/gems/gettext-2.1.0/lib/gettext/runtime/textdomain.rb:60:in `new'
from /usr/lib/ruby/gems/1.9.1/gems/gettext-2.1.0/lib/gettext/runtime/textdomain.rb:60:in `initialize'
from /usr/lib/ruby/gems/1.9.1/gems/gettext-2.1.0/lib/gettext/runtime/textdomain_manager.rb:208:in `new'
from /usr/lib/ruby/gems/1.9.1/gems/gettext-2.1.0/lib/gettext/runtime/textdomain_manager.rb:208:in `create_or_find_textdomain'
from /usr/lib/ruby/gems/1.9.1/gems/gettext-2.1.0/lib/gettext/runtime/textdomain_manager.rb:69:in `bind_to'
from /usr/lib/ruby/gems/1.9.1/gems/gettext-2.1.0/lib/gettext.rb:83:in `bindtextdomain_to'
from /usr/lib/ruby/gems/1.9.1/gems/gettext-2.1.0/lib/gettext.rb:64:in `bindtextdomain'
from /build/src/rubyripper-0.6.1/rr_lib.rb:27:in `<top (required)>'
from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from ./configure:55:in `<main>'

Additional info:
* rubyripper 0.6.1-1

Steps to reproduce:
Try to build it.