Question

I am getting the following Error While installing ruby debugger

In gemfile i added

 gem 'ruby-debug19', :require => 'ruby-debug'

and run

 bundle install

Installing linecache19 (0.5.12) with native extensions
   Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.
   /usr/local/bin/ruby extconf.rb
   checking for vm_core.h... no
   checking for vm_core.h... no
   *** 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/local/bin/ruby
   --with-ruby-dir
   --without-ruby-dir
   --with-ruby-include
   --without-ruby-include=${ruby-dir}/include
   --with-ruby-lib
   --without-ruby-lib=${ruby-dir}/lib

What is the reason for the error

how to install thre debugger..???

Answer 1

You have to first set the path of DevKit in your environmental variable

Then run

gem install linecache19
gem install ruby-debug-base19
gem install ruby-debug-ide

through command prompt

May this work