An error occurred while installing debugger-linecache (1.1.1), and Bundler cannot continue
I had this issue after updating to a newer patch version of ruby. Unfortunately the header files gem "debugger-ruby_core_source" was locked in to an earlier version in the Gemfile.lock so it didn't have the required header files.
All you need to do is update that gem by doing:
bundle update debugger-ruby_core_sourceYou should be able to bundle install afterwards.
If you aren't using bundler then just install the latest version before trying to install debugger:
gem install debugger-ruby_core_source
Another option is to switch to using ruby p125, e.g.
rvm install 1.9.3-p125rvm use 1.9.3-p125 --defaultI had ruby 1.9.3-p194 and apparently that doesn't have the debug/linecache I need.
open terminal, go to project directory and remove Gemfile.lock using
rm Gemfile.lockto remove Gemfile.lock and run
bundle install which will create new Gemfile.lock so its easy to do it :)
worked for me.