Hey, I would like to propose the addition of a new USE_EXPAND variable.
The Ruby team is currently working on a new version of ruby.eclass with proper support for packages installed for multiple versions of ruby. RUBY_TARGETS contains a list of ruby implementations and versions to install a package for, like this: [ebuild U ] dev-ruby/actionpack-2.3.2-r1 [2.3.2] USE="-doc -test%" RUBY_TARGETS="ruby18* ruby19* -jruby%" 746 kB [0=>1] In that example, actionpack would install for Ruby 1.8 and 1.9. USE dependencies are then used to ensure all dependencies are built at least for 1.8 and 1.9 as well. Any comments or questions? Thanks, Alex
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