jRuby 1.7.3 & ox 2.0.0

gistfile1.sh

[yury@fedora ~]$ jruby -v
jruby 1.7.3 (1.9.3p385) 2013-02-21 dac429b on OpenJDK Server VM 1.7.0_09-icedtea-mockbuild_2013_02_20_08_10-b00 [linux-i386]
[yury@fedora ~]$ jruby -S gem list ox

*** LOCAL GEMS ***

ox (2.0.0)
[yury@fedora ~]$ jruby -S irb
irb(main):001:0> require 'ox'
LoadError: load error: ox/ox -- java.lang.UnsatisfiedLinkError: failed to load shim library, error: /home/yury/.rvm/rubies/jruby-1.7.3/lib/native/i386-Linux/libjruby-cext.so: cannot open shared object file: No such file or directory
	from org/jruby/RubyKernel.java:1027:in `require'
	from /home/yury/.rvm/rubies/jruby-1.7.3/lib/ruby/shared/rubygems/custom_require.rb:36:in `require'
	from /home/yury/.rvm/gems/jruby-1.7.3/gems/ox-2.0.0/lib/ox.rb:102:in `(root)'
	from org/jruby/RubyKernel.java:1027:in `require'
	from /home/yury/.rvm/rubies/jruby-1.7.3/lib/ruby/shared/rubygems/custom_require.rb:1:in `(root)'
	from /home/yury/.rvm/rubies/jruby-1.7.3/lib/ruby/shared/rubygems/custom_require.rb:60:in `require'
	from org/jruby/RubyKernel.java:1066:in `eval'
	from (irb):1:in `evaluate'
	from org/jruby/RubyKernel.java:1409:in `loop'
	from org/jruby/RubyKernel.java:1174:in `catch'
	from org/jruby/RubyKernel.java:1174:in `catch'
	from /home/yury/.rvm/rubies/jruby-1.7.3/bin/jirb:13:in `(root)'
irb(main):002:0>

gistfile2.sh

[yury@fedora ~]$ cd /home/yury/.rvm/rubies/jruby-1.7.3/lib/native/i386-Linux/
[yury@fedora i386-Linux]$ ls
libjffi-1.2.so