syncsys@sync-pc:/media/truecrypt1/temp4/notes/projects/NetBeansProjects/ttmaven/src/main/webapp/resources/css$ sass --watch test.scss
>>> Sass is watching for changes. Press Ctrl-C to stop.
[Listen warning]:
  Missing dependency 'rb-inotify' (version '~> 0.9')!
  Please run the following to satisfy the dependency:
    gem install --version '~> 0.9' rb-inotify

  For a better performance, it's recommended that you satisfy the missing dependency.
  Listen will be polling changes. Learn more at https://github.com/guard/listen#polling-fallback.

^Csyncsys@sync-pc:/media/truecrypt1/temp4/notes/projects/NetBeansProjects/ttmaven/src/main/webapp/resources/css$ sudo gem install --version '~> 0.9' rb-inotify
Building native extensions.  This could take a while...
ERROR:  Error installing rb-inotify:
        ERROR: Failed to build gem native extension.

        /usr/bin/ruby1.9.1 extconf.rb
/usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require': cannot load such file -- mkmf (LoadError)
        from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
        from extconf.rb:4:in `<main>'


Gem files will remain installed in /var/lib/gems/1.9.1/gems/ffi-1.9.0 for inspection.
Results logged to /var/lib/gems/1.9.1/gems/ffi-1.9.0/ext/ffi_c/gem_make.out