Forum: Ruby ruby 2.0 gem problem, Symbol not found: _ruby_current_thread (LoadError)

Hi,

    I am using netbeans/rubymine debug ruby program, installed
ruby-debug-base19x and debugger gem,
on ruby 1.9.3 , debug functional is ok.
   Now, i am upgrade ruby to 2.0,  clone that gems and change some thing
compatible ruby 2.0 C API,
https://github.com/windwiny/ruby-debug-base19
https://github.com/windwiny/debugger


The gem is can be compiled.  But cannot  require it.

ruby -e 'require "./ruby_debug" '

/usr/local/homebrew/Cellar/ruby/2.0.0-p0/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:45:in
`require':
dlopen(/usr/local/lib/ruby/gems/2.0.0/gems/debugger-1.3.3/ext/ruby_debug/ruby_debug.bundle,
9): Symbol not found: _ruby_current_thread (LoadError)
  Referenced from:
/usr/local/lib/ruby/gems/2.0.0/gems/debugger-1.3.3/ext/ruby_debug/ruby_debug.bundle
  Expected in: flat namespace
 in
/usr/local/lib/ruby/gems/2.0.0/gems/debugger-1.3.3/ext/ruby_debug/ruby_debug.bundle
-
/usr/local/lib/ruby/gems/2.0.0/gems/debugger-1.3.3/ext/ruby_debug/ruby_debug.bundle
 from
/usr/local/homebrew/Cellar/ruby/2.0.0-p0/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:45:in
`require'
 from -e:1:in `<main>'

anybody can help me?