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Installing debugger-linecache failed with ruby 1.9.3p327

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$ ruby -v
ruby 1.9.3p327 (2012-11-10 revision 37606) [x86_64-linux]
- 0ecd4640664c4723323d6fff5760dc4d833d7eb9 reverted
$ bundle update
... snip ...
Using debugger-ruby_core_source (1.1.4)
Installing debugger-linecache (1.1.2) with native extensions
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.
/home/yahonda/.rvm/rubies/ruby-1.9.3-p327/bin/ruby extconf.rb
checking for vm_core.h... no
checking for vm_core.h... no
Makefile creation failed
No source for ruby-1.9.3-p327 provided with debugger-ruby_core_source gem.
*** 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:
Gem files will remain installed in /home/yahonda/.rvm/gems/ruby-1.9.3-p327@railsmaster/gems/debugger-linecache-1.1.2 for inspection.
Results logged to /home/yahonda/.rvm/gems/ruby-1.9.3-p327@railsmaster/gems/debugger-linecache-1.1.2/ext/trace_nums/gem_make.out
An error occurred while installing debugger-linecache (1.1.2), and Bundler cannot continue.
Make sure that `gem install debugger-linecache -v '1.1.2'` succeeds before bundling.

Try gem install debugger-linecache -v '1.1.2' -- --with-ruby-include=$rvm_path/src/ruby-1.9.3-p327/

Thanks for the workaround.

Thanks a lot, it worked for me too.

Can't seem to get the equivalent to work with rbenv, anyone else have any luck?

Just install with rbenv using the "keep" arg...
rbenv install xxx --keep

gem install debugger-linecache -v '1.1.2' --with-ruby-include=~/.rbenv/sources/xxx/xxx

Note: replace the xxx's with the version you want. Also, make sure the path to rbenv is correct.

It's surprising that --keep isn't the default or, really, that it exists at all! How expensive is that extra 130MB?

@tonycoco, I think this should have worked but didn't: gem install debugger-linecache -- --with-ruby-dir=~/.rbenv/sources/1.9.3-p327 From its printout, extconf.rb appears to be ignoring all config arguments.

This worked for me, just need to install eiel's unmerged pull request:

cd /tmp
git clone ''
cd debugger-ruby_core_source/
gem build debugger-ruby_core_source.gemspec
gem install debugger-ruby_core_source-1.1.5.gem

Now gem install debugger installs debugger-1.2.1 and debugger-linecache-1.1.2 without drama.

Thank You! This worked for me as well!

wow this was awesome! thanks bronson!

Was a life saver, but I'd like to improve on the rvm version, use --with-ruby-include=$rvm_path/src/$rvm_ruby_string
for portability.

bronson's steps worked for me too, but the debugger_ruby-core-source version has been bumped and the last line should be:

gem install debugger-ruby_core_source-1.1.6.gem

thanks a lot ^^

Thanks, @michelegera!

For the ones who stumble on this issue at this time, if you're using Bundler try running bundle update debugger-linecache. This should update the debugger-ruby_core_source dependency to 1.1.8 which should work without worries.

@bronson ----- thanks bronson! very well done!!!

@rchampourlier - bumping debugger-linecache worked for me.

@bronson - Nice, thanks!

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