# Unable to install ruby-debug **URL:** \ **Category:** ruby-talk\ **Created:** [5 May 2010 03:59 UTC](https://rubytalk.org/t/unable-to-install-ruby-debug/58403 "2010-05-05T03:59:25Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![Parv\_G](https://avatars.discourse-cdn.com/v4/letter/p/e9c0ed/32.png) [@Parv\_G](https://rubytalk.org/u/Parv_G)\ **Post date:** [5 May 2010 03:59 UTC](https://rubytalk.org/t/unable-to-install-ruby-debug/58403/1 "2010-05-05T03:59:25Z")
$: sudo gem install ruby-debug Building native extensions. This could take a while... ERROR: Error installing ruby-debug:   ERROR: Failed to build gem native extension. /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby mkrf\_conf.rb Building native extensions. This could take a while... Gem files will remain installed in /Library/Ruby/Gems/1.8/gems/ruby-debug for inspection. Results logged to /Library/Ruby/Gems/1.8/gems/ruby-debug/ext/gem\_make.out Environment: mac os x 10.6 RubyGems Environment:   - RUBYGEMS VERSION: 1.3.6   - RUBY VERSION: 1.8.7 (2008-08-11 patchlevel 72) [universal-darwin10.0]   - INSTALLATION DIRECTORY: /Library/Ruby/Gems/1.8   - RUBY EXECUTABLE: /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby   - EXECUTABLE DIRECTORY: /usr/bin   - RUBYGEMS PLATFORMS:     - ruby     - universal-darwin-10   - GEM PATHS:      - /Library/Ruby/Gems/1.8      - /Library/Ruby/Gems/1.8/gems > **···** > > - > /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8 >   - GEM CONFIGURATION: >      - :update\_sources =\> true >      - :verbose =\> true >      - :benchmark =\> false >      - :backtrace =\> false >      - :bulk\_threshold =\> 1000 >      - :gempath =\> "/Library/Ruby/Gems/1.8/gems" >      - :sources =\> ["[http://gems.rubyforge.org/](http://gems.rubyforge.org/)", > "[http://gems.github.com](http://gems.github.com)"] >   - REMOTE SOURCES: >      - [http://gems.rubyforge.org/](http://gems.rubyforge.org/) >      - [http://gems.github.com](http://gems.github.com) > > I have tried to install on older version (0.7.5), but no luck. > > Thanks in advance for your help! > -- > Posted via [http://www.ruby-forum.com/](http://www.ruby-forum.com/). ---
**Author:** ![Luis\_Lavena1](https://avatars.discourse-cdn.com/v4/letter/l/f08c70/32.png) [@Luis\_Lavena1](https://rubytalk.org/u/Luis_Lavena1)\ **Post date:** [5 May 2010 05:55 UTC](https://rubytalk.org/t/unable-to-install-ruby-debug/58403/2 "2010-05-05T05:55:11Z")
Please paste the contents of gem\_make.out indicated above. It might be possible that Xcode hasn't been installed in your Snow Leopard installation? > **···** > > On May 5, 12:59 am, "Parv G." \ wrote: > > > $: sudo gem install ruby-debug > > Building native extensions. This could take a while... > > ERROR: Error installing ruby-debug: > > ERROR: Failed to build gem native extension. > > > > /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby > > mkrf\_conf.rb > > Building native extensions. This could take a while... > > > > Gem files will remain installed in > > /Library/Ruby/Gems/1.8/gems/ruby-debug for inspection. > > Results logged to > > /Library/Ruby/Gems/1.8/gems/ruby-debug/ext/gem\_make.out > > -- > Luis Lavena ---
**Author:** ![Parv\_G](https://avatars.discourse-cdn.com/v4/letter/p/e9c0ed/32.png) [@Parv\_G](https://rubytalk.org/u/Parv_G)\ **Post date:** [5 May 2010 12:29 UTC](https://rubytalk.org/t/unable-to-install-ruby-debug/58403/3 "2010-05-05T12:29:54Z")
Thanks for the reply, here it is: $ cat /Library/Ruby/Gems/1.8/gems/ruby-debug-base-0.10.3/ext/gem\_make.out /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby extconf.rb mkmf.rb can't find header files for ruby at /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/ruby.h > **···** > > -- > Posted via [http://www.ruby-forum.com/](http://www.ruby-forum.com/).