[patch] Use relative rpath so that the installation and build dirs are relocatable

[Brad King]

On 02/21/2014 12:17 PM, Rafael Espíndola wrote:
>> Cool. The attached patch works on OS X without requiring 2.8.12 :-)
> 
> So, is it OK?

Sorry, I didn't realize you were waiting for me to review it.
I thought you were reporting success.

I haven't actually tested it but it looks correct to me.

-Brad