Clang - what is the story?

[RW]

On Sat, 21 Jan 2012 13:35:06 +0000
RW wrote:

> On Sat, 21 Jan 2012 22:11:18 +1000
> Da Rock wrote:
>  
> > Even under GPL anything built using gcc can be licensed as you like,
> > so I doubt it could be that.
> 
> It is that. I don't know the details, but GPLv3 is sufficiently more
> viral that recent gcc versions can't be used as the base system
> compiler. We're currently stuck with a version from 2007.

I was just wondering what would have happened if Apple hadn't backed
clang/LLVM as BSD licensed projects. Was there a plan B (other than
gcc 4.2.1) or did Apple save the *BSD world?