LLVM 3.5 rebase

[Adam Jackson]

On Thu, 2014-11-06 at 20:51 -0500, Jens Petersen wrote:
> > That's only going to work if llvm34 renames all of its binaries, and ghc
> > is changed to invoke the renamed ones, right?  Otherwise the 3.4 and 3.5
> > versions of /usr/bin/llc will conflict.
> 
> Hmm yes I guess I should go the whole way...
> 
> My initial lazy plan was just that ghc-compiler.armv7hl
> should require and BR llvm34 instead of llvm (and make llvm34
> Conflicts with llvm and llvm34-devel conflicts with llvm-devel...).

Seems like a lot of work on your part to avoid doing any work on the arm
maintainers' parts.

- ajax