On May 28, 2008, at 01:14 AM, David Masover wrote:
> This is on an Ubuntu Hardy system, on x86_64. Both Ruby 1.8 and 1.9  
> are
> installed.
>
> I was tracking down the lack of ruby.h, which surprised me, as  
> ruby1.8-dev is
> installed. Scrolling up even further, though, and something just  
> seems wrong
> about these three lines:
>
> rake RUBYARCHDIR=/var/lib/gems/1.8/gems/ruby-opengl-0.60.0/lib
> RUBYLIBDIR=/var/lib/gems/1.8/gems/ruby-opengl-0.60.0/lib extension
> /usr/bin/ruby1.9 mkrf_conf.rb
> (in /var/lib/gems/1.8/gems/ruby-opengl-0.60.0)
>
> Why is ruby1.9 being used to run mkrf_conf.rb? I am using a 1.8 gem  
> -- as you
> can see, it's trying to install in a 1.8 path, and:
>
> $ head -1 `which gem`
> #! /usr/bin/ruby1.8
> $ head -1 `which gem1.9`
> #!/usr/bin/ruby1.9

head -1 `which rake`