Rvm failure with iconv

error

~/Sites/outright.github.com[master]% gem list

*** LOCAL GEMS ***

rake (0.9.2 ruby)
rubygems-update (1.8.8)
~/Sites/outright.github.com[master]% gem install jekyll
Fetching: liquid-2.2.2.gem (100%)
Fetching: fast-stemmer-1.0.0.gem (100%)
Building native extensions.  This could take a while...
Fetching: classifier-1.3.3.gem (100%)
Fetching: directory_watcher-1.4.0.gem (100%)
Fetching: syntax-1.0.0.gem (100%)
Fetching: maruku-0.6.0.gem (100%)
Fetching: kramdown-0.13.3.gem (100%)
Fetching: posix-spawn-0.3.6.gem (100%)
Building native extensions.  This could take a while...
Fetching: albino-1.3.3.gem (100%)
Fetching: jekyll-0.11.0.gem (100%)
Successfully installed liquid-2.2.2
Successfully installed fast-stemmer-1.0.0
Successfully installed classifier-1.3.3
Successfully installed directory_watcher-1.4.0
Successfully installed syntax-1.0.0
Successfully installed maruku-0.6.0
Successfully installed kramdown-0.13.3
Successfully installed posix-spawn-0.3.6
Successfully installed albino-1.3.3
Successfully installed jekyll-0.11.0
10 gems installed
~/Sites/outright.github.com[master]% jekyll
/Users/trobrock/.rvm/rubies/ruby-1.8.7-p352/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `gem_original_require': no such file to load -- iconv (LoadError)
	from /Users/trobrock/.rvm/rubies/ruby-1.8.7-p352/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `require'
	from /Users/trobrock/.rvm/gems/ruby-1.8.7-p352/gems/maruku-0.6.0/lib/maruku/input/parse_doc.rb:22
	from /Users/trobrock/.rvm/rubies/ruby-1.8.7-p352/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `gem_original_require'
	from /Users/trobrock/.rvm/rubies/ruby-1.8.7-p352/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `require'
	from /Users/trobrock/.rvm/gems/ruby-1.8.7-p352/gems/maruku-0.6.0/lib/maruku.rb:85
	from /Users/trobrock/.rvm/rubies/ruby-1.8.7-p352/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `gem_original_require'
	from /Users/trobrock/.rvm/rubies/ruby-1.8.7-p352/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `require'
	from /Users/trobrock/.rvm/gems/ruby-1.8.7-p352/gems/jekyll-0.11.0/bin/../lib/jekyll.rb:26
	from /Users/trobrock/.rvm/rubies/ruby-1.8.7-p352/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `gem_original_require'
	from /Users/trobrock/.rvm/rubies/ruby-1.8.7-p352/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `require'
	from /Users/trobrock/.rvm/gems/ruby-1.8.7-p352/gems/jekyll-0.11.0/bin/jekyll:20
	from /Users/trobrock/.rvm/gems/ruby-1.8.7-p352/bin/jekyll:19:in `load'
	from /Users/trobrock/.rvm/gems/ruby-1.8.7-p352/bin/jekyll:19

rvm_info

~% rvm info

system:

  system:
    uname:       "Darwin trobrock-macbook.local 11.0.0 Darwin Kernel Version 11.0.0: Sat Jun 18 12:56:35 PDT 2011; root:xnu-1699.22.73~1/RELEASE_X86_64 x86_64"
    bash:        "/bin/bash => GNU bash, version 3.2.48(1)-release (x86_64-apple-darwin11)"
    zsh:         "/bin/zsh => zsh 4.3.11 (i386-apple-darwin11.0)"

  rvm:
    version:      "rvm 1.7.2 by Wayne E. Seguin ([email protected]) [https://rvm.beginrescueend.com/]"

  homes:
    gem:          "not set"
    ruby:         "not set"

  binaries:
    ruby:         "/usr/bin/ruby"
    irb:          "/usr/bin/irb"
    gem:          "/usr/bin/gem"
    rake:         "/usr/bin/rake"

  environment:
    PATH:         "/Users/trobrock/bin:/Users/trobrock/.bin:/usr/local/homebrew/bin:/usr/local/bin:/usr/local/sbin:/usr/local/mysql/bin:/usr/local/git/bin:/opt/local/bin:/Users/trobrock/.rvm/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/X11/bin:/Users/trobrock/.ec2/bin:/Users/trobrock/.elb/bin"
    GEM_HOME:     ""
    GEM_PATH:     ""
    MY_RUBY_HOME: ""
    IRBRC:        ""
    RUBYOPT:      ""
    gemset:       ""