Debugger - Failed to build gem native extension ruby 1.8.7 -


working on outdated project need debug can't manage install debugger.

ruby -v  # => ruby 1.8.7 (2011-06-30 patchlevel 352) [i686-darwin12.3.0] rails -v # => rails 2.3.17  gem install debugger  installing debugger (1.6.1) gem::installer::extensionbuilderror: error: failed build gem native extension.          /users/lfender/.rvm/rubies/ruby-1.8.7-p352/bin/ruby extconf.rb *** extconf.rb failed *** not create makefile due reason, lack of necessary libraries and/or headers.  check mkmf.log file more details.  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=/users/lfender/.rvm/rubies/ruby-1.8.7-p352/bin/ruby extconf.rb:16:in `require': no such file load -- debugger/ruby_core_source (loaderror)   extconf.rb:16   gem files remain installed in /users/lfender/.rvm/gems/ruby-1.8.7-p352@nhg/gems/debugger-1.6.1 inspection. results logged /users/lfender/.rvm/gems/ruby-1.8.7-p352@nhg/gems/debugger-1.6.1/ext/ruby_debug/gem_make.out  error occurred while installing debugger (1.6.1), , bundler cannot continue. make sure `gem install debugger -v '1.6.1'` succeeds before bundling.

the issue preventing me debugging failing specs. appreciated!

it seems debugger ruby 1.9.2 & 1.9.3, , ruby-debug might better suited ruby 1.8.

you try using ruby-debug with:

gem install ruby-debug

from readme:

there 2 ways of running ruby-debug.

rdebug executable:

$ rdebug <your-script>

when start script way, debugger stop @ first line of code in script file. able set breakpoints.

ruby-debug api

the second way use ruby-debug api interrupt code execution @ run time.

require 'ruby-debug' ; debugger.start ... def your_method   ...   debugger   ... end

or

require 'ruby-debug' ;  debugger.start    ...   debugger end

when kernel#debugger method executed, debugger activated , able inspect , step through code.


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