Using ruby_core_source (0.1.4)
Installing linecache19 (0.5.11) with native extensions /usr/local/lib/site_ruby/1.8/rubygems/installer.rb:482:in `build_extensions': ERROR: Failed to build gem native extension. (Gem::Installer::ExtensionBuildError)

/usr/bin/ruby1.8 extconf.rb
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of
necessary libraries and/or headers.  Check the mkmf.log file for more
details.  You may need configuration options.

Provided configuration options:
	--with-opt-dir
	--without-opt-dir
	--with-opt-include
	--without-opt-include=${opt-dir}/include
	--with-opt-lib
	--without-opt-lib=${opt-dir}/lib
	--with-make-prog
	--without-make-prog
	--srcdir=.
	--curdir
	--ruby=/usr/bin/ruby1.8
extconf.rb:2:in `require': no such file to load -- ruby_core_source (LoadError)
	from extconf.rb:2


Gem files will remain installed in /home/gramos/.rvm/gems/ruby-1.9.2-p0/gems/linecache19-0.5.11 for inspection.
Results logged to /home/gramos/.rvm/gems/ruby-1.9.2-p0/gems/linecache19-0.5.11/ext/trace_nums/gem_make.out
	from /usr/local/lib/site_ruby/1.8/rubygems/installer.rb:445:in `each'
	from /usr/local/lib/site_ruby/1.8/rubygems/installer.rb:445:in `build_extensions'
	from /usr/local/lib/site_ruby/1.8/rubygems/installer.rb:197:in `install'
	from /home/gramos/.rvm/gems/ruby-1.9.2-p0/gems/bundler-1.0.3/lib/bundler/source.rb:100:in `install'
	from /home/gramos/.rvm/gems/ruby-1.9.2-p0/gems/bundler-1.0.3/lib/bundler/installer.rb:55:in `run'
	from /home/gramos/.rvm/gems/ruby-1.9.2-p0/gems/bundler-1.0.3/lib/bundler/spec_set.rb:12:in `each'
	from /home/gramos/.rvm/gems/ruby-1.9.2-p0/gems/bundler-1.0.3/lib/bundler/spec_set.rb:12:in `each'
	from /home/gramos/.rvm/gems/ruby-1.9.2-p0/gems/bundler-1.0.3/lib/bundler/installer.rb:44:in `run'
	from /home/gramos/.rvm/gems/ruby-1.9.2-p0/gems/bundler-1.0.3/lib/bundler/installer.rb:8:in `install'
	from /home/gramos/.rvm/gems/ruby-1.9.2-p0/gems/bundler-1.0.3/lib/bundler/cli.rb:221:in `install'
	from /home/gramos/.rvm/gems/ruby-1.9.2-p0/gems/bundler-1.0.3/lib/bundler/vendor/thor/task.rb:22:in `send'
	from /home/gramos/.rvm/gems/ruby-1.9.2-p0/gems/bundler-1.0.3/lib/bundler/vendor/thor/task.rb:22:in `run'
	from /home/gramos/.rvm/gems/ruby-1.9.2-p0/gems/bundler-1.0.3/lib/bundler/vendor/thor/invocation.rb:118:in `invoke_task'
	from /home/gramos/.rvm/gems/ruby-1.9.2-p0/gems/bundler-1.0.3/lib/bundler/vendor/thor.rb:246:in `dispatch'
	from /home/gramos/.rvm/gems/ruby-1.9.2-p0/gems/bundler-1.0.3/lib/bundler/vendor/thor/base.rb:389:in `start'
	from /home/gramos/.rvm/gems/ruby-1.9.2-p0/gems/bundler-1.0.3/bin/bundle:13
	from /usr/bin/bundle:19:in `load'
	from /usr/bin/bundle:19