racc

USE flags

• doc - Add extra documentation (API, Javadoc, etc). It is recommended to enable per package instead of globally
• elibc_FreeBSD - ELIBC setting for systems that use the FreeBSD C library
• ruby_targets_jruby - Build with JRuby
• ruby_targets_ree18 - Build with Ruby Enterprise Edition 1.8.x (removed)
• ruby_targets_ruby18 - Build with MRI Ruby 1.8.x (removed)
• ruby_targets_ruby19 - Build with MRI Ruby 1.9.x
• ruby_targets_ruby20 - Build with MRI Ruby 2.0.x
• ruby_targets_ruby21 - Build with MRI Ruby 2.1.x
• ruby_targets_ruby22 - Build with MRI Ruby 2.2.x
• ruby_targets_ruby23 - Build with MRI Ruby 2.3.x
• ruby_targets_ruby24 - Build with MRI Ruby 2.4.x
• ruby_targets_ruby25 - Build with MRI Ruby 2.5.x
• ruby_targets_ruby26 - Build with MRI Ruby 2.6.x
• test - Enable dependencies and/or preparations necessary to run tests (usually controlled by FEATURES=test but can be toggled independently)