jwhitlock$ ruby -e 'require "svn/core"'
/Users/jwhitlock/dev/subversion_binary/sources/subversion-1.4.3/subversion/bindings/swig/ruby/svn/error.rb:1:in `require': no such file to load -- svn/ext/core (LoadError)
        from /Users/jwhitlock/dev/subversion_binary/sources/subversion-1.4.3/subversion/bindings/swig/ruby/svn/error.rb:1
        from /Users/jwhitlock/dev/subversion_binary/sources/subversion-1.4.3/subversion/bindings/swig/ruby/svn/core.rb:4:in `require'
        from /Users/jwhitlock/dev/subversion_binary/sources/subversion-1.4.3/subversion/bindings/swig/ruby/svn/core.rb:4
        from -e:1:in `require'
        from -e:1