From: Jeff Schwab <jeff@...>
Date: 2009-03-02T01:53:56+09:00
Subject: Re: 1.9 on OS X

Tim Hunter wrote:
> Jeff Schwab wrote:
>> What is the best way to install Ruby 1.9 on Apple OS X?
>>
>> The latest version in fink is 1.8.6, which I'm currently using.  I did 
>> not see this discussion in the c.l.r archives, but please feel free to 
>> point me to them.
>>
>>
> 
> Download the tarball from ruby-lang.org, configure, make, make install.
> 
> Make sure you've got /usr/local at the beginning of your $PATH, or, if 
> you want to use 1.9 alongside 1.8.6, use the --program-suffix= option to 
> append "19" to the executable names. Use "./configure --help" for more 
> information.

Thanks.  Ordinarily, when I do that dance, I use --prefix to install 
multiple versions in different directories, and to make uninstallation 
feasible.

Once I have two versions installed, how do I tell (e.g.) Rails which 
version to use?