Redcarpet Travis JRuby

[dmytro]

https://travis-ci.org/dmytro/nagira/jobs/5522168

Installing rack-test (0.6.2) 
Installing redcarpet (2.2.2) 
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.

    /home/travis/.rvm/rubies/jruby-1.7.3-d19/bin/jruby extconf.rb 
NotImplementedError: C extension support is not enabled. Pass -Xcext.enabled=true to JRuby or set JRUBY_OPTS or modify .jrubyrc to enable.

   (root) at /home/travis/.rvm/rubies/jruby-1.7.3-d19/lib/ruby/shared/mkmf.rb:8
  require at org/jruby/RubyKernel.java:1027
   (root) at /home/travis/.rvm/rubies/jruby-1.7.3-d19/lib/ruby/shared/rubygems/core_ext/kernel_require.rb:1
   (root) at extconf.rb:1


Gem files will remain installed in /home/travis/.rvm/gems/jruby-1.7.3-d19/gems/redcarpet-2.2.2 for inspection.
Results logged to /home/travis/.rvm/gems/jruby-1.7.3-d19/gems/redcarpet-2.2.2/ext/redcarpet/gem_make.out

An error occurred while installing redcarpet (2.2.2), and Bundler cannot
continue.
Make sure that `gem install redcarpet -v '2.2.2'` succeeds before bundling.

The command "bundle install" failed and exited with 5 during install.

Your build has been stopped.