On 07/04/09 at 23:44 -0500, Gunnar Wolf wrote: > Sebastien Delafond dijo [Tue, Apr 07, 2009 at 01:59:00PM -0700]: > > On Apr/07, Mike Hommey wrote: > > > While I see why it can be needed for python, I fail to see how it is > > > important for jruby... > > > > to have 2 versions of jruby available ? I guess so you can at least, for > > instance, try the new one on your existing jruby code without removing > > the old one, for instance ? > > > > Are you advocating for only one instance of jruby at all times in the > > archive ? If so, why ? > > Do the Jruby versions somehow map to the Ruby versions? If I'm not > mistaken, Jruby (and IronRuby) versions aimed at compatibility with > specific Ruby language releases - and the only Ruby language > specification is the main implementation itself. > > So, does JRuby 1.2 provide a bigger/different API than 1.0? Which one > is closer to the main implementation 1.8? 1.9? > > Now, if JRuby 1.2 (say) implements 1.9 and JRuby 1.0 implements 1.8, > possibly the (so far main) implementation should be renamed to only > provide libruby1.8, so that also JRuby can satisfy it?
One good reason for allowing two versions of jruby at the same time in the archive (not necessarily in a stable release ; I agree that that's not a good thing) is that major jruby versions use different load paths, and require that library files are installed in different directories (see below). On debian-ruby@, we are currently discussing changes in ruby packaging that would allow pure-ruby libraries to automatically support all ruby versions available in debian (using something similar to python-support). Native libraries would still require some manual porting to newer versions of ruby, though. <-------------> $ jruby1.0 -e 'p $:' ["/usr/lib/jruby1.0/lib/ruby/site_ruby/1.8", "/usr/lib/jruby1.0/lib/ruby/site_ruby", "/usr/lib/jruby1.0/lib/ruby/1.8", "/usr/lib/jruby1.0/lib/ruby/1.8/java", "lib/ruby/1.8", "."] $ jruby1.1 -e 'p $:' ["/usr/lib/jruby1.1/lib/ruby/site_ruby/1.8", "/usr/lib/jruby1.1/lib/ruby/site_ruby", "/usr/lib/jruby1.1/lib/ruby/1.8", "/usr/lib/jruby1.1/lib/ruby/1.8/java", "lib/ruby/1.8", "."] $ ruby1.8 -e 'p $:' ["/usr/local/lib/site_ruby/1.8", "/usr/local/lib/site_ruby/1.8/x86_64-linux", "/usr/local/lib/site_ruby", "/usr/lib/ruby/vendor_ruby/1.8", "/usr/lib/ruby/vendor_ruby/1.8/x86_64-linux", "/usr/lib/ruby/vendor_ruby", "/usr/lib/ruby/1.8", "/usr/lib/ruby/1.8/x86_64-linux", "."] $ ruby1.9 -e 'p $:' <== that's the version in experimental currently ["/usr/local/lib/site_ruby/1.9.1", "/usr/local/lib/site_ruby/1.9.1/x86_64-linux", "/usr/local/lib/site_ruby", "usr/lib/ruby/vendor_ruby/1.9.1", "usr/lib/ruby/vendor_ruby/1.9.1/x86_64-linux", "usr/lib/ruby/vendor_ruby", "/usr/lib/ruby/1.9.1", "/usr/lib/ruby/1.9.1/x86_64-linux", "."] -- | Lucas Nussbaum | lu...@lucas-nussbaum.net http://www.lucas-nussbaum.net/ | | jabber: lu...@nussbaum.fr GPG: 1024D/023B3F4F | -- To UNSUBSCRIBE, email to debian-devel-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
