From: Eric Hodel <drbrain@...7.net>
Date: 2009-09-03T13:56:12+09:00
Subject: Re: Updating gems for ruby 1.9

On Sep 2, 2009, at 20:32, Space Ship Traveller wrote:
> On 1/09/2009, at 11:06 AM, Eric Hodel wrote:
> On Aug 29, 2009, at 11:10, Space Ship Traveller wrote:
>>> Is it possible to install a gem for all versions of ruby?
>>
>> Not by default.
>>
>> You can set GEM_HOME and GEM_PATH to force RubyGems to use a common  
>> path.  See gem help env.
>
> Out of curiosity, why was this decision made? It seems like it would  
> be easier to have a combined directory for 1.8 and 1.9?

C extensions can only be linked against one version.