From: Eric Hodel <drbrain@...7.net>
Date: 2009-03-04T07:23:28+09:00
Subject: Re: ruby-opengl gem not working on 1.9?

On Mar 3, 2009, at 11:58, Jan Dvorak wrote:
> Thomas B. wrote:
>> Hello. I have a problem with making ruby-opengl work on Ruby 1.9.1,
>> Windows.
>>
>> I download the gem named ruby-opengl-0.60.1-x86-mswin32.gem and  
>> install
>> it - the installation is successful. But then when I try to require
>> 'opengl', I get a Windows error that the file msvcrt-ruby18.dll  
>> cannot
>> be loaded.
>>
>>
> Yes, ruby 1.8 and 1.9 are not binary compatible in general, the binary
> gem on rubyforge is intended for use with ruby 1.8. I just uploaded on
> rubyforge gem  compiled against 1.9.1
> (ruby-opengl-0.60.1-x86-mswin32-ruby19.gem
> <http://rubyforge.org/frs/download.php/52648/ruby-opengl-0.60.1-x86-mswin32-ruby19.gem 
> >),
> so try that out. It should work with ruby 1.9.1 from ruby-lang.org (or
> any other 1.9 version compiled with MSVC6).

You should set required_ruby_version in for your gem as well.