From: Eric Hodel <drbrain@...7.net>
Date: 2009-04-30T15:31:19+09:00
Subject: Re: preprocessing ruby gems in ruby1.9

On Apr 29, 2009, at 17:03, botp wrote:

> i notice that almost all pre 1.9 gems wont compile in ruby1.9 because
> of the ff error (or something like it),
>
> : error: ‘struct RArray’ has no member named ‘len’
> : error: ‘struct RArray’ has no member named ‘ptr’
> ....
>
> the typical solution i do is outlined here
> http://frozenplague.net/2009/01/ruby-191-rubygems-rails/#gem_solution,
> and it works 100% on my case (glad hasn't failed yet).
>
> can this solution be handled by the rubygem preprocessor? maybe,
> signal a flag of some sort, or do a best-effort processing of some
> sort ?...

You could probably write a RubyGems plugin to do it using the  
pre_install hook.