rubygem-compass-0.12.2 does not work on FreeBSD 10.0-RELEASE

[abscon]

Output of uname -a:

    FreeBSD yywr.gov.cn 10.0-RELEASE FreeBSD 10.0-RELEASE #0 r260789:
    Thu Jan 16 22:34:59 UTC 2014
    root at snap.freebsd.org:/usr/obj/usr/src/sys/GENERIC amd64


Output of compass -v:

    /usr/local/lib/ruby/site_ruby/1.9/rubygems/custom_require.rb:36:in
    `require': cannot load such file -- sass/script/node (LoadError)
    from
    /usr/local/lib/ruby/site_ruby/1.9/rubygems/custom_require.rb:36:in
    `require'
    from
    /usr/local/lib/ruby/gems/1.9/gems/compass-0.12.2/lib/compass/sass_extensions/monkey_patches/browser_support.rb:1:in
    `<top (required)>'
    from
    /usr/local/lib/ruby/site_ruby/1.9/rubygems/custom_require.rb:36:in
    `require'
    from
    /usr/local/lib/ruby/site_ruby/1.9/rubygems/custom_require.rb:36:in
    `require'
    from
    /usr/local/lib/ruby/gems/1.9/gems/compass-0.12.2/lib/compass/sass_extensions/monkey_patches.rb:2:in
    `block in <top (required)>'
    from
    /usr/local/lib/ruby/gems/1.9/gems/compass-0.12.2/lib/compass/sass_extensions/monkey_patches.rb:1:in
    `each'
    from
    /usr/local/lib/ruby/gems/1.9/gems/compass-0.12.2/lib/compass/sass_extensions/monkey_patches.rb:1:in
    `<top (required)>'
    from
    /usr/local/lib/ruby/site_ruby/1.9/rubygems/custom_require.rb:36:in
    `require'
    from
    /usr/local/lib/ruby/site_ruby/1.9/rubygems/custom_require.rb:36:in
    `require'
    from
    /usr/local/lib/ruby/gems/1.9/gems/compass-0.12.2/lib/compass/sass_extensions.rb:9:in
    `<top (required)>'
    from
    /usr/local/lib/ruby/site_ruby/1.9/rubygems/custom_require.rb:36:in
    `require'
    from
    /usr/local/lib/ruby/site_ruby/1.9/rubygems/custom_require.rb:36:in
    `require'
    from
    /usr/local/lib/ruby/gems/1.9/gems/compass-0.12.2/lib/compass.rb:5:in
    `block in <top (required)>'
    from
    /usr/local/lib/ruby/gems/1.9/gems/compass-0.12.2/lib/compass.rb:4:in
    `each'
    from
    /usr/local/lib/ruby/gems/1.9/gems/compass-0.12.2/lib/compass.rb:4:in
    `<top (required)>'
    from
    /usr/local/lib/ruby/site_ruby/1.9/rubygems/custom_require.rb:36:in
    `require'
    from
    /usr/local/lib/ruby/site_ruby/1.9/rubygems/custom_require.rb:36:in
    `require'
    from
    /usr/local/lib/ruby/gems/1.9/gems/compass-0.12.2/bin/compass:20:in
    `block in <top (required)>'
    from
    /usr/local/lib/ruby/gems/1.9/gems/compass-0.12.2/bin/compass:8:in
    `fallback_load_path'
    from
    /usr/local/lib/ruby/gems/1.9/gems/compass-0.12.2/bin/compass:19:in
    `<top (required)>'
    from /usr/local/bin/compass:23:in `load'
    from /usr/local/bin/compass:23:in `<main>'

Output of sass -v:

    Sass 3.3.4 (Maptastic Maple)