From: Ryan Davis <ryand-ruby@...>
Date: 2008-12-14T04:26:29+09:00
Subject: Re: Multiple Ruby versions for testing


On Dec 12, 2008, at 11:14 , James Coglan wrote:

> 2008/12/12 Craig Demyanovich <cdemyanovich@gmail.com>
>
>> Dr. Nic wrote something about this recently.
>>
>> http://drnicwilliams.com/2008/12/11/future-proofing-your-ruby-code/
>
> Thanks for that. On first running the "multiruby -e 'p 1+1'"  
> command, it
> downloads 1.8.7 and 1.9.0 then starts building them, but hangs when  
> it gets
> to "creating Makefile". Anybody else get this and know how to fix  
> it? I have
> build-essential and ruby1.8-dev installed and the build doesn't report
> errors, it just hangs.

ruby 1.9.0 has a makefile bug that prevents parallel builds from  
working correctly. You can either install one of the latest 1.9  
releases [1], go from trunk, or cd into the build dir and type `make`  
to bypass the bug.

[1] http://drnicwilliams.com/2008/12/11/future-proofing-your-ruby-code/