On 22/04/10 at 23:00 +0900, NARUSE, Yui wrote:
> (2010/04/22 22:32), Lucas Nussbaum wrote:
> >On 22/04/10 at 19:40 +0900, NARUSE, Yui wrote:
> >>>0) We try to provide as much support as possible for all ruby interpreters
> >>> (well, at least 1.8 and 1.9.1, but maybe also jruby). However, we
> >>> decide
> >>> on a default version (1.8 currently) that all libraries must support.
> >>
> >>We'll release Ruby 1.9.2 in this summer.
> >
> >Sure, but that doesn't mean that the community will adopt it as a
> >replacement for ruby1.8. I hope it will be the case, of course.
> >
> >>So where 1.9.2 will install, /usr/lib/ruby/1.9.1 or /usr/lib/ruby/1.9.2?
> >>Note that 1.9.2 intends to have ABI compatibility to 1.9.1.
> >
> >It is likely that ruby1.9.2 will replace ruby1.9.1 if it is
> >ABI-compatible.
> >
> >>>2) Instead of installing to /usr/lib/ruby/1.{8,9.1}, we install to:
> >>> /usr/lib/ruby/vendor_ruby/<= libraries that support all versions
> >>> of the interpreter
> >>> /usr/lib/ruby/vendor_ruby/1.8<= libraries that only support 1.8
> >>> /usr/lib/ruby/vendor_ruby/1.9.1<= libraries that only support 1.9.1
> >>>That allows to make a better difference between the stdlib and the
> >>>third-party libraries.
> >>
> >>What will you do about a gem supports 1.8 and 1.9.1 but not 1.9.2.
> >
> >Since it's ABI-compatible, it shouldn't exist, no? :-)
> >Anyway, we have two solutions here:
> >- install in vendor_ruby/1.8 and vendor_ruby/1.9.1 (possibly with
> > symlinks to reduce disk space)
> >- ignore the problem, and install it in vendor_ruby/ (similar to what is
> > done for Java in Debian)
>
> "ABI-compatible" in MRI means, extension library can link the Ruby.
> It's note including Ruby level compatibility.
> http://github.com/ruby/ruby/blob/trunk/NEWS
Ah :-) Would be too easy otherwise. Then it's probably better to handle
the 1.9.1->1.9.2 transition in the same way as the 1.9.0->1.9.1
transition.
--
| Lucas Nussbaum
| lu...@lucas-nussbaum.net http://www.lucas-nussbaum.net/ |
| jabber: lu...@nussbaum.fr GPG: 1024D/023B3F4F |
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