我已经安装了 debase，但是当我尝试 gem install ruby-debug-ide 时，它仍然无法构建 gem 本机扩展：
ERROR: Error installing ruby-debug-ide-0.6.1.beta2.gem:
ERROR: Failed to build gem native extension.
C:/Ruby22-x64/bin/ruby.exe mkrf_conf.rb
Installing base gem
Unable to resolve dependency: user requested 'debase (> 0)'
C:/Ruby22-x64/lib/ruby/2.2.0/rubygems/resolver.rb:439:in `resolve_for_zero'
C:/Ruby22-x64/lib/ruby/2.2.0/rubygems/resolver.rb:350:in `resolve_for'
C:/Ruby22-x64/lib/ruby/2.2.0/rubygems/resolver.rb:196:in `resolve'
C:/Ruby22-x64/lib/ruby/2.2.0/rubygems/request_set.rb:358:in `resolve'
C:/Ruby22-x64/lib/ruby/2.2.0/rubygems/dependency_installer.rb:473:in `resolve_dependencies'
C:/Ruby22-x64/lib/ruby/2.2.0/rubygems/dependency_installer.rb:373:in `install'
mkrf_conf.rb:35:in `rescue in <main>'
mkrf_conf.rb:28:in `<main>'
rake failed, exit code 1
Gem files will remain installed in C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/ruby-debug-ide-0.6.1.beta2 for inspection.
Results logged to C:/Ruby22-x64/lib/ruby/gems/2.2.0/extensions/x64-mingw32/2.2.0/ruby-debug-ide-0.6.1.beta2/gem_make.out`}
我确实安装了debase。
*** LOCAL GEMS ***
actioncable (5.0.0.1)
actionmailer (5.0.0.1)
actionpack (5.0.0.1) …