Comment # 20 on bug 1179155 from Aaron Puchert

(In reply to Richard Biener from comment #19)
> Oh, and the best solution would be to drop 'llvm' (the meta package) from SLE
> and only provide it via PackageHub.  We'd of course need to keep the "old"
> 'llvm' (in version 7) in the SLE build system or alternatively arrange all
> packages that require llvm for building / running to use versioned requires
> (and binaries).  Or divert all those packages to PackageHub as well.
Out of curiosity, can you run "ibs whatdependson" on the llvm metapackage in
SLE? That would make it easier to understand the impact. There is probably lots
of packages in Leap/Backports though, judging from the same query in Factory.