当我执行时，我需要安装 ruby-debug-base19 以便在 Netbeans IDE 上进行主动调试：
$ gem install ruby-debug-base19
我收到以下错误。从日志生成中提取
C:/Ruby193/bin/ruby.exe extconf.rb
checking for rb_method_entry_t.body in method.h... no
checking for vm_core.h... no
C:/Ruby193/lib/ruby/gems/1.9.1/gems/ruby_core_source-0.1.5/lib/ruby_core_source.rb:39: Use RbConfig instead of obsolete and deprecated Config.
checking for rb_method_entry_t.body in method.h... no
checking for vm_core.h... yes
checking for iseq.h... yes
checking for insns.inc... yes
checking for insns_info.inc... yes
checking for eval_intern.h... yes
creating Makefile
make
generating ruby_debug-i386-mingw32.def
compiling breakpoint.c
compiling ruby_debug.c
ruby_debug.c:24:19: error: conflicting types for 'rb_iseq_compile_with_option'
C:/Ruby193/include/ruby-1.9.1/ruby-1.9.3-p125/vm_core.h:505:7: note: previous declaration of 'rb_iseq_compile_with_option' was here
ruby_debug.c: In function 'context_jump':
ruby_debug.c:2378:53: warning: comparison between signed and unsigned integer expressions
ruby_debug.c:2392:27: warning: comparison between signed and unsigned integer expressions
make: *** [ruby_debug.o] Error 1
先决条件：
Ruby 安装成功
$ ruby --version
>>ruby 1.9.3p125 (2012-02-16) [i386-mingw32]
DevKit 安装成功
$ gem install rdiscount --platform=ruby
>>Temporarily enhancing PATH to include DevKit...
>>Building native extensions. This could take a while...
>>Successfully installed rdiscount-1.6.8
>>1 gem installed
>>Installing ri documentation for rdiscount-1.6.8...
>>Installing RDoc documentation for rdiscount-1.6.8...
$ ruby -rubygems -e "require 'rdiscount'; puts RDiscount.new('**Hello RubyInstaller**').to_html"
>><p><strong>Hello RubyInstaller</strong></p>
我已经阅读了这篇文章，但没有成功。
我错过了什么？