From: Guillaume Marcais <guslist@...>
Date: 2005-12-28T07:38:50+09:00
Subject: Re: gem and ruby extension

On Wed, 2005-12-28 at 06:33 +0900, Jim Weirich wrote:
> Guillaume Marcais wrote:
> > Duh! Why can't it load rulog.so in the first case? The platform is ruby
> > 1.8.2 (2004-12-25) [i586-linux-gnu].
> 
> Ruby is able to find libraries installed via RubyGems only after the 
> rubygem library is loaded.  You can accomplish in several ways, 
> including setting an environment variable (RUBYOPT=rubygems), including 
> -rubygems on your ruby command line, or even putting a 'require 
> "rubygems"' in your source code.  See 
> http://docs.rubygems.org/read/chapter/3#page70 for details.

Thanks for you quick answer. But I forgot to mention that I already have
the RUBYOPT variable set:

[gus@comp ruby-1.8.2]$ echo $RUBYOPT
-rrubygems
[gus@comp ruby-1.8.2]$ grep RUBY ~/.bashrc
RUBYOPT="-rrubygems"
export RUBYOPT

What strikes me as odd in this case is that it gives the right path of
the library to load (somewhere in /usr/lib/ruby/gems) but fails to load
it. If the path is added to $: (in the second example), then it loads
properly.

Guillaume.



> --
> -- Jim Weirich
>