I am installing Redmine and I am getting crazy because of a rake problem. In particular, in order to perform a bundle install for the different Ruby's plugins, I have been asked to install xapian-full-alaveteli, v 1.2.9.5. The problem is that I get the following error:
Building native extensions. This could take a while...
ERROR: Error installing xapian-full-alaveteli:
ERROR: Failed to build gem native extension.
/home/redmine/.rvm/rubies/ruby-2.2.0/bin/ruby -rubygems /home/redmine/.rvm/rubies/ruby-2.2.0/lib/ruby/gems/2.2.0/gems/rake-10.4.2/bin/rake RUBYARCHDIR=/home/redmine/.rvm/gems/ruby-2.2.0/extensions/x86_64-linux/2.2.0/xapian-full-alaveteli-1.2.9.5 RUBYLIBDIR=/home/redmine/.rvm/gems/ruby-2.2.0/extensions/x86_64-linux/2.2.0/xapian-full-alaveteli-1.2.9.5
rake aborted!
NameError: uninitialized constant Config
/home/redmine/.rvm/gems/ruby-2.2.0/gems/xapian-full-alaveteli-1.2.9.5/Rakefile:2:in `<top (required)>'
(See full trace by running task with --trace)
rake failed, exit code 1
Gem files will remain installed in /home/redmine/.rvm/gems/ruby-2.2.0/gems/xapian-full-alaveteli-1.2.9.5 for inspection.
Results logged to /home/redmine/.rvm/gems/ruby-2.2.0/extensions/x86_64-linux/2.2.0/xapian-full-alaveteli-1.2.9.5/gem_make.out
I've tried editing by hand the rakefile and removing the line that causes troubles, but it magically reappears. The documentation about the use of rake/gem is, imho, at least vague, therefore I am totally stuck -- with a server that was supposed to be in production two days ago...
Obsolete calls to Config can cause the error. Try changing
Config::CONFIG ====> RbConfig::CONFIG
Running a Gem's rakefile caused the error: uninitialized constant Config.
Googling suggests Config is obsolete and to replace it with RbConfig. RbConfig is in the latest Ruby though the document is blank and I cannot find a Config in Ruby.
Fixes replace Config with RbConfig: gettalong/kramdown and thoughtbot/cocaine. Which also worked in my case.
Replace Config::CONFIG with RbConfig::CONFIG