From: "Iñaki Baz Castillo" <ibc@...>
Date: 2009-04-04T21:58:24+09:00
Subject: Re: Error installing gem "mysql" in Ruby 1.9.1

El Sábado 04 Abril 2009, Iñaki Baz Castillo escribió:
> Hi, trying to install gem "mysql" in Ruby 1.9.1 I get an error:
>
>   error: ‘struct RString’ has no member named ‘ptr’
>
> This is due to RString changes from Ruby 1.8 (now in 1.9.1 RSTRING_PTR(arg)
> must be used instead of RSTRING(arg)->ptr).
>
> What can I do to get mysql working in Ruby 1.9.1? where can I get an
> updated MySQL driver?

I've got it from here:
  http://github.com/radar/mysql/tree/master

and also good doc about this issue here:
  http://frozenplague.net/2009/01/ruby-191-rubygems-rails/

-- 
Iñaki Baz Castillo <ibc@aliax.net>