# Gem install ruby-debug **URL:** \ **Category:** Rails\ **Created:** [April 7, 2009, 6:40am UTC](https://www.ruby-forum.com/t/gem-install-ruby-debug/164894 "2009-04-07T06:40:31Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![dang](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/d/ba9def/32.png) [@dang](https://www.ruby-forum.com/u/dang)\ **Post date:** [April 7, 2009, 6:40am UTC](https://www.ruby-forum.com/t/gem-install-ruby-debug/164894/1 "2009-04-07T06:40:31Z")
tinix@Creek:/home/tinix/test/grin# gem install ruby-debug Building native extensions. This could take a while… ERROR: Error installing ruby-debug: ERROR: Failed to build gem native extension. /usr/bin/ruby1.8 extconf.rb install ruby-debug extconf.rb:1:in `require’: no such file to load – mkmf (LoadError) from extconf.rb:1 Gem files will remain installed in /var/lib/gems/1.8/gems/linecache-0.43 for inspection. Results logged to /var/lib/gems/1.8/gems/linecache-0.43/ext/gem\_make.out tinix@Creek:/home/tinix/test/grin# what is the problem …??? Thanks Tinix./ ---
**Author:** ![dang](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/d/ba9def/32.png) [@dang](https://www.ruby-forum.com/u/dang)\ **Post date:** [April 7, 2009, 9:48am UTC](https://www.ruby-forum.com/t/gem-install-ruby-debug/164894/2 "2009-04-07T09:48:33Z")
On Apr 7, 5:40 am, Daniel T. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote: > for inspection. > Results logged to /var/lib/gems/1.8/gems/linecache-0.43/ext/gem\_make.out > tinix@Creek:/home/tinix/test/grin# > > what is the problem …??? That usually means that you don’t have the development headers for ruby (often a separate package on most linux distributions, eg ruby- dev or ruby-devel) Fred ---
**Author:** ![dang](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/d/ba9def/32.png) [@dang](https://www.ruby-forum.com/u/dang)\ **Post date:** [April 7, 2009, 3:04pm UTC](https://www.ruby-forum.com/t/gem-install-ruby-debug/164894/3 "2009-04-07T15:04:57Z")
Frederick C. wrote: > On Apr 7, 5:40�am, Daniel T. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) > wrote: > > > for inspection. > > Results logged to /var/lib/gems/1.8/gems/linecache-0.43/ext/gem\_make.out > > tinix@Creek:/home/tinix/test/grin# > > > > what is the problem …??? > > That usually means that you don’t have the development headers for > ruby (often a separate package on most linux distributions, eg ruby- > dev or ruby-devel) > > Fred Thank Fred…!!! look this the package is ruby1.8-dev then install tinix@Creek:/#sudo gem install ruby-debug Building native extensions. This could take a while… Building native extensions. This could take a while… Successfully installed linecache-0.43 Successfully installed ruby-debug-base-0.10.3 Successfully installed ruby-debug-0.10.3 3 gems installed Installing ri documentation for linecache-0.43… Installing ri documentation for ruby-debug-base-0.10.3… Installing ri documentation for ruby-debug-0.10.3… Installing RDoc documentation for linecache-0.43… Installing RDoc documentation for ruby-debug-base-0.10.3… Installing RDoc documentation for ruby-debug-0.10.3… tinix@Creek:/# ok ! Again thanks Fred…!!